fix the action result type mapping

Two issues prevented CreateGame from succeeding:

1. UNKNOWN_PHASE error: GameStateProto was created without currentPhase,
   defaulting to UNKNOWN_PHASE (0) which caused ProtoConversionException

2. None.get in BattalionSuitability: newBattalionTypes was in the proto
   but commented out in the Scala model. When creating games, battalion
   types were set in ActionResult but lost during proto-to-Scala conversion,
   so they never got applied to GameState

Fixed by:
- Setting currentPhase = NEW_ROUND in PersistedHistory initial states
- Adding newBattalionTypes field to ActionResultT, ActionResultC
- Adding conversion in ActionResultProtoConverter
- Adding applyNewBattalionTypes extension method
- Calling extension in ActionResultApplierImpl

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.bazelrc

@@ -36,3 +36,7 @@ common --java_language_version=17
 common --java_runtime_version=remotejdk_17
 common --tool_java_language_version=17
 common --tool_java_runtime_version=remotejdk_17
+
+# Workspace status for build stamping (git commit, timestamp)
+common --workspace_status_command=tools/workspace_status.sh
+common --stamp

.github/workflows/auth_build.yml

@@ -0,0 +1,177 @@
+name: Auth Service Build and Deploy
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - 'src/main/go/net/eagle0/authservice/**'
+      - 'src/main/go/net/eagle0/authcli/**'
+      - 'src/main/protobuf/net/eagle0/eagle/api/auth.proto'
+      - 'src/main/protobuf/net/eagle0/eagle/api/admin/**'
+      - 'src/main/protobuf/net/eagle0/eagle/internal/auth_internal.proto'
+      - 'ci/BUILD.bazel'
+      - '.github/workflows/auth_build.yml'
+  workflow_dispatch:
+    inputs:
+      push_images:
+        description: 'Push images to container registry'
+        required: true
+        default: 'false'
+        type: boolean
+
+permissions:
+  contents: read
+
+jobs:
+  build-auth:
+    runs-on: self-hosted
+    outputs:
+      image_tag: ${{ steps.push-auth.outputs.image_tag }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          lfs: false
+
+      - name: Build Auth Server Docker image
+        id: build-auth
+        run: |
+          set -ex
+
+          # Build auth server image (Go binary has explicit goos/goarch in BUILD.bazel)
+          bazel build //ci:auth_server_image
+
+          # Save the resolved path before any other bazel command changes bazel-bin symlink
+          IMAGE_PATH=$(readlink -f bazel-bin/ci/auth_server_image)
+          echo "Image path: $IMAGE_PATH"
+          echo "image_path=$IMAGE_PATH" >> $GITHUB_OUTPUT
+
+      - name: Login to DigitalOcean Container Registry
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        env:
+          DO_TOKEN: ${{ secrets.DO_REGISTRY_TOKEN }}
+        run: |
+          mkdir -p ~/.docker
+          AUTH=$(echo -n "${DO_TOKEN}:${DO_TOKEN}" | base64)
+          echo "{\"auths\":{\"registry.digitalocean.com\":{\"auth\":\"${AUTH}\"}}}" > ~/.docker/config.json
+          mkdir -p .docker
+          cp ~/.docker/config.json .docker/
+
+      - name: Push Auth image to DO registry
+        id: push-auth
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        env:
+          DOCKER_CONFIG: ${{ github.workspace }}/.docker
+        run: |
+          set -ex
+
+          AUTH_IMAGE="${{ steps.build-auth.outputs.image_path }}"
+          echo "Using Auth image: $AUTH_IMAGE"
+
+          if [ -z "$AUTH_IMAGE" ] || [ ! -d "$AUTH_IMAGE" ]; then
+            echo "ERROR: Auth image not found at: $AUTH_IMAGE"
+            exit 1
+          fi
+
+          # Build the push target to get crane in runfiles
+          bazel build //ci:auth_server_push
+
+          # Use crane directly for push
+          CRANE="bazel-bin/ci/push_auth_server_push.sh.runfiles/rules_oci~~oci~oci_crane_darwin_arm64/crane"
+          echo "Using crane: $CRANE"
+
+          # Push with SHA tag
+          GIT_SHA=$(git rev-parse --short=8 HEAD)
+          IMAGE_TAG="registry.digitalocean.com/eagle0/auth-server:${GIT_SHA}"
+          echo "Pushing auth image: $IMAGE_TAG"
+          $CRANE push "$AUTH_IMAGE" "$IMAGE_TAG"
+
+          # Output the full image tag for deploy step
+          echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
+
+          # Also update :latest for convenience
+          echo "Copying to :latest tag"
+          $CRANE copy "$IMAGE_TAG" "registry.digitalocean.com/eagle0/auth-server:latest"
+
+  deploy:
+    runs-on: ubuntu-latest
+    needs: [build-auth]
+    if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+    environment: production
+    env:
+      AUTH_IMAGE: ${{ needs.build-auth.outputs.image_tag }}
+      DISCORD_CLIENT_ID: ${{ secrets.DISCORD_CLIENT_ID }}
+      DISCORD_CLIENT_SECRET: ${{ secrets.DISCORD_CLIENT_SECRET }}
+      GOOGLE_CLIENT_ID: ${{ secrets.GOOGLE_CLIENT_ID }}
+      GOOGLE_CLIENT_SECRET: ${{ secrets.GOOGLE_CLIENT_SECRET }}
+      JWT_PRIVATE_KEY: ${{ secrets.JWT_PRIVATE_KEY }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Deploy auth service to production
+        uses: appleboy/ssh-action@v1.0.3
+        with:
+          host: ${{ secrets.DO_DROPLET_IP }}
+          username: deploy
+          key: ${{ secrets.DO_SSH_KEY }}
+          script_stop: true
+          envs: AUTH_IMAGE,DISCORD_CLIENT_ID,DISCORD_CLIENT_SECRET,GOOGLE_CLIENT_ID,GOOGLE_CLIENT_SECRET,JWT_PRIVATE_KEY
+          script: |
+            set -x
+            cd /opt/eagle0
+
+            # Update AUTH_IMAGE in .env file (preserve other vars)
+            if [ -f .env ]; then
+              # Remove old AUTH_IMAGE line and add new one
+              grep -v '^AUTH_IMAGE=' .env > .env.tmp || true
+              echo "AUTH_IMAGE=${AUTH_IMAGE}" >> .env.tmp
+              # Also update OAuth credentials
+              grep -v '^DISCORD_CLIENT_ID=' .env.tmp > .env.tmp2 || true
+              echo "DISCORD_CLIENT_ID=${DISCORD_CLIENT_ID:-}" >> .env.tmp2
+              grep -v '^DISCORD_CLIENT_SECRET=' .env.tmp2 > .env.tmp3 || true
+              echo "DISCORD_CLIENT_SECRET=${DISCORD_CLIENT_SECRET:-}" >> .env.tmp3
+              grep -v '^GOOGLE_CLIENT_ID=' .env.tmp3 > .env.tmp4 || true
+              echo "GOOGLE_CLIENT_ID=${GOOGLE_CLIENT_ID:-}" >> .env.tmp4
+              grep -v '^GOOGLE_CLIENT_SECRET=' .env.tmp4 > .env.tmp5 || true
+              echo "GOOGLE_CLIENT_SECRET=${GOOGLE_CLIENT_SECRET:-}" >> .env.tmp5
+              # Update JWT private key (JWK format for auth service bootstrap)
+              grep -v '^JWT_PRIVATE_KEY=' .env.tmp5 > .env || true
+              echo "JWT_PRIVATE_KEY=${JWT_PRIVATE_KEY:-}" >> .env
+              rm -f .env.tmp .env.tmp2 .env.tmp3 .env.tmp4 .env.tmp5
+              chmod 600 .env
+            else
+              echo "ERROR: .env file not found. Run main deploy first."
+              exit 1
+            fi
+
+            # Login to registry
+            echo "${{ secrets.DO_REGISTRY_TOKEN }}" | docker login registry.digitalocean.com -u "${{ secrets.DO_REGISTRY_TOKEN }}" --password-stdin
+
+            echo "Deploying auth service: $AUTH_IMAGE"
+
+            # Use crane to pull image
+            echo "Installing crane..."
+            curl -sL https://github.com/google/go-containerregistry/releases/download/v0.20.2/go-containerregistry_Linux_x86_64.tar.gz | tar xzf - crane
+            chmod +x crane
+
+            echo "Pulling Auth image with crane..."
+            ./crane pull "${AUTH_IMAGE}" auth.tar || { echo "ERROR: Failed to pull auth image"; exit 1; }
+            echo "Loading Auth image into Docker..."
+            docker load -i auth.tar
+            rm auth.tar
+            rm ./crane
+
+            # Only recreate the auth container (not eagle, shardok, etc.)
+            docker compose -f docker-compose.prod.yml up -d --no-deps --force-recreate auth
+
+            # Wait for health check
+            sleep 5
+            docker compose -f docker-compose.prod.yml ps auth
+
+            # Verify container is using correct image
+            echo "=== Verifying auth container image ==="
+            docker compose -f docker-compose.prod.yml images auth
+
+            # Cleanup old images
+            docker image prune -f

.github/workflows/build_sysroot.yml

@@ -8,12 +8,22 @@ on:
         required: true
         default: 'v2'
         type: string
+      architecture:
+        description: 'Target architecture'
+        required: true
+        default: 'amd64'
+        type: choice
+        options:
+          - amd64
+          - arm64
+          - both
 
 permissions:
   contents: read
 
 jobs:
-  build-sysroot:
+  build-sysroot-amd64:
+    if: ${{ inputs.architecture == 'amd64' || inputs.architecture == 'both' }}
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
@@ -25,7 +35,7 @@ jobs:
       - name: Upload sysroot artifact
         uses: actions/upload-artifact@v4
         with:
-          name: ubuntu-noble-sysroot
+          name: ubuntu-noble-sysroot-amd64
           path: tools/sysroot/output/
 
       - name: Install AWS CLI
@@ -41,7 +51,7 @@ jobs:
           AWS_ACCESS_KEY_ID: ${{ secrets.ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.SECRET_KEY }}
         run: |
-          # Upload sysroot tarball to DO Spaces (using eagle0-windows bucket, same as other workflows)
+          # Upload sysroot tarball to DO Spaces
           aws s3 cp tools/sysroot/output/ubuntu_noble_amd64_sysroot.tar.xz \
             s3://eagle0-windows/sysroot/${{ inputs.version }}/ubuntu_noble_amd64_sysroot.tar.xz \
             --endpoint-url https://sfo3.digitaloceanspaces.com \
@@ -54,7 +64,7 @@ jobs:
             --acl public-read
 
           echo ""
-          echo "=== Sysroot uploaded ==="
+          echo "=== AMD64 Sysroot uploaded ==="
           echo "URL: https://eagle0-windows.sfo3.digitaloceanspaces.com/sysroot/${{ inputs.version }}/ubuntu_noble_amd64_sysroot.tar.xz"
           echo "SHA256: $(cat tools/sysroot/output/ubuntu_noble_amd64_sysroot.sha256)"
           echo ""
@@ -64,3 +74,64 @@ jobs:
           echo "    sha256 = \"$(cat tools/sysroot/output/ubuntu_noble_amd64_sysroot.sha256)\","
           echo "    urls = [\"https://eagle0-windows.sfo3.digitaloceanspaces.com/sysroot/${{ inputs.version }}/ubuntu_noble_amd64_sysroot.tar.xz\"],"
           echo ")"
+
+  build-sysroot-arm64:
+    if: ${{ inputs.architecture == 'arm64' || inputs.architecture == 'both' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU for ARM64 emulation
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: arm64
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build ARM64 sysroot
+        run: ./tools/sysroot/build_sysroot_arm64.sh
+
+      - name: Upload sysroot artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ubuntu-noble-sysroot-arm64
+          path: tools/sysroot/output/
+
+      - name: Install AWS CLI
+        run: |
+          if ! command -v aws &> /dev/null; then
+            curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
+            unzip -q awscliv2.zip
+            sudo ./aws/install
+          fi
+
+      - name: Upload to DigitalOcean Spaces
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.SECRET_KEY }}
+        run: |
+          # Upload sysroot tarball to DO Spaces
+          aws s3 cp tools/sysroot/output/ubuntu_noble_arm64_sysroot.tar.xz \
+            s3://eagle0-windows/sysroot/${{ inputs.version }}/ubuntu_noble_arm64_sysroot.tar.xz \
+            --endpoint-url https://sfo3.digitaloceanspaces.com \
+            --acl public-read
+
+          # Upload sha256 file
+          aws s3 cp tools/sysroot/output/ubuntu_noble_arm64_sysroot.sha256 \
+            s3://eagle0-windows/sysroot/${{ inputs.version }}/ubuntu_noble_arm64_sysroot.sha256 \
+            --endpoint-url https://sfo3.digitaloceanspaces.com \
+            --acl public-read
+
+          echo ""
+          echo "=== ARM64 Sysroot uploaded ==="
+          echo "URL: https://eagle0-windows.sfo3.digitaloceanspaces.com/sysroot/${{ inputs.version }}/ubuntu_noble_arm64_sysroot.tar.xz"
+          echo "SHA256: $(cat tools/sysroot/output/ubuntu_noble_arm64_sysroot.sha256)"
+          echo ""
+          echo "Update MODULE.bazel with:"
+          echo "sysroot("
+          echo "    name = \"linux_sysroot_arm64\","
+          echo "    sha256 = \"$(cat tools/sysroot/output/ubuntu_noble_arm64_sysroot.sha256)\","
+          echo "    urls = [\"https://eagle0-windows.sfo3.digitaloceanspaces.com/sysroot/${{ inputs.version }}/ubuntu_noble_arm64_sysroot.tar.xz\"],"
+          echo ")"

.github/workflows/docker_build.yml

@@ -5,11 +5,14 @@ on:
     branches: [ "main" ]
     paths:
       - 'src/main/cpp/**'
+      - 'src/main/go/**'
       - 'src/main/scala/**'
       - 'src/main/protobuf/**'
       - 'src/main/resources/**'
       - 'ci/BUILD.bazel'
       - 'MODULE.bazel'
+      - 'docker-compose.prod.yml'
+      - 'nginx/**'
       - '.github/workflows/docker_build.yml'
   workflow_dispatch:
     inputs:
@@ -34,7 +37,15 @@ jobs:
           lfs: false
 
       - name: Build Eagle Docker image
-        run: bazel build //ci:eagle_server_image
+        id: build-eagle
+        run: |
+          set -ex
+          bazel build --platforms=//:linux_x86_64 //ci:eagle_server_image
+
+          # Save the resolved path before any other bazel command changes bazel-bin symlink
+          IMAGE_PATH=$(readlink -f bazel-bin/ci/eagle_server_image)
+          echo "Image path: $IMAGE_PATH"
+          echo "image_path=$IMAGE_PATH" >> $GITHUB_OUTPUT
 
       - name: Login to DigitalOcean Container Registry
         if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
@@ -56,6 +67,40 @@ jobs:
         run: |
           set -ex
 
+          # Use cross-compiled image path from build step
+          EAGLE_IMAGE="${{ steps.build-eagle.outputs.image_path }}"
+          echo "Using Eagle image: $EAGLE_IMAGE"
+
+          if [ -z "$EAGLE_IMAGE" ] || [ ! -d "$EAGLE_IMAGE" ]; then
+            echo "ERROR: Eagle image not found at: $EAGLE_IMAGE"
+            exit 1
+          fi
+
+          # Debug: show OCI layout contents
+          echo "=== OCI Layout Contents ==="
+          cat "$EAGLE_IMAGE/index.json"
+          echo ""
+          echo "=== Blobs ==="
+          ls -la "$EAGLE_IMAGE/blobs/sha256/" | head -20
+
+          # Verify OCI layout consistency before pushing
+          echo "=== Verifying OCI layout consistency ==="
+          for digest in $(cat "$EAGLE_IMAGE/index.json" | grep -o '"sha256:[^"]*"' | tr -d '"'); do
+            blob_path="$EAGLE_IMAGE/blobs/${digest/://}"
+            if [ ! -f "$blob_path" ]; then
+              echo "ERROR: Blob not found: $blob_path"
+              exit 1
+            fi
+            actual_digest="sha256:$(shasum -a 256 "$blob_path" | cut -d' ' -f1)"
+            if [ "$digest" != "$actual_digest" ]; then
+              echo "ERROR: Digest mismatch for $blob_path"
+              echo "  Index says: $digest"
+              echo "  Actual: $actual_digest"
+              exit 1
+            fi
+            echo "✓ Verified: $digest"
+          done
+
           # Build the push target to get crane in runfiles
           bazel build //ci:eagle_server_push
 
@@ -67,7 +112,13 @@ jobs:
           GIT_SHA=$(git rev-parse --short=8 HEAD)
           IMAGE_TAG="registry.digitalocean.com/eagle0/eagle-server:${GIT_SHA}"
           echo "Pushing eagle image: $IMAGE_TAG"
-          $CRANE push bazel-bin/ci/eagle_server_image "$IMAGE_TAG"
+          $CRANE push "$EAGLE_IMAGE" "$IMAGE_TAG"
+
+          # Verify push by checking what's in the registry
+          echo "=== Verifying push ==="
+          $CRANE manifest "$IMAGE_TAG" | head -50
+          PUSHED_DIGEST=$($CRANE digest "$IMAGE_TAG")
+          echo "Registry reports digest: $PUSHED_DIGEST"
 
           # Output the full image tag for deploy step
           echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
@@ -229,14 +280,169 @@ jobs:
           echo "Copying to :latest tag"
           $CRANE copy "$IMAGE_TAG" "registry.digitalocean.com/eagle0/shardok-server:latest"
 
+  build-admin:
+    runs-on: self-hosted
+    outputs:
+      image_tag: ${{ steps.push-admin.outputs.image_tag }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          lfs: false
+
+      - name: Build Admin Server Docker image
+        id: build-admin
+        run: |
+          set -ex
+
+          # Build admin server image (Go binary has explicit goos/goarch in BUILD.bazel)
+          bazel build //ci:admin_server_image
+
+          # Save the resolved path before any other bazel command changes bazel-bin symlink
+          IMAGE_PATH=$(readlink -f bazel-bin/ci/admin_server_image)
+          echo "Image path: $IMAGE_PATH"
+          echo "image_path=$IMAGE_PATH" >> $GITHUB_OUTPUT
+
+      - name: Login to DigitalOcean Container Registry
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        env:
+          DO_TOKEN: ${{ secrets.DO_REGISTRY_TOKEN }}
+        run: |
+          mkdir -p ~/.docker
+          AUTH=$(echo -n "${DO_TOKEN}:${DO_TOKEN}" | base64)
+          echo "{\"auths\":{\"registry.digitalocean.com\":{\"auth\":\"${AUTH}\"}}}" > ~/.docker/config.json
+          mkdir -p .docker
+          cp ~/.docker/config.json .docker/
+
+      - name: Push Admin image to DO registry
+        id: push-admin
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        env:
+          DOCKER_CONFIG: ${{ github.workspace }}/.docker
+        run: |
+          set -ex
+
+          ADMIN_IMAGE="${{ steps.build-admin.outputs.image_path }}"
+          echo "Using Admin image: $ADMIN_IMAGE"
+
+          if [ -z "$ADMIN_IMAGE" ] || [ ! -d "$ADMIN_IMAGE" ]; then
+            echo "ERROR: Admin image not found at: $ADMIN_IMAGE"
+            exit 1
+          fi
+
+          # Build the push target to get crane in runfiles
+          bazel build //ci:admin_server_push
+
+          # Use crane directly for push
+          CRANE="bazel-bin/ci/push_admin_server_push.sh.runfiles/rules_oci~~oci~oci_crane_darwin_arm64/crane"
+          echo "Using crane: $CRANE"
+
+          # Push with SHA tag
+          GIT_SHA=$(git rev-parse --short=8 HEAD)
+          IMAGE_TAG="registry.digitalocean.com/eagle0/admin-server:${GIT_SHA}"
+          echo "Pushing admin image: $IMAGE_TAG"
+          $CRANE push "$ADMIN_IMAGE" "$IMAGE_TAG"
+
+          # Output the full image tag for deploy step
+          echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
+
+          # Also update :latest for convenience
+          echo "Copying to :latest tag"
+          $CRANE copy "$IMAGE_TAG" "registry.digitalocean.com/eagle0/admin-server:latest"
+
+  build-jfr-sidecar:
+    runs-on: self-hosted
+    outputs:
+      image_tag: ${{ steps.push-jfr-sidecar.outputs.image_tag }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          lfs: false
+
+      - name: Build JFR Sidecar Docker image
+        id: build-jfr-sidecar
+        run: |
+          set -ex
+
+          # Build JFR sidecar image (Go binary has explicit goos/goarch in BUILD.bazel)
+          bazel build //ci:jfr_sidecar_image
+
+          # Save the resolved path before any other bazel command changes bazel-bin symlink
+          IMAGE_PATH=$(readlink -f bazel-bin/ci/jfr_sidecar_image)
+          echo "Image path: $IMAGE_PATH"
+          echo "image_path=$IMAGE_PATH" >> $GITHUB_OUTPUT
+
+      - name: Login to DigitalOcean Container Registry
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        env:
+          DO_TOKEN: ${{ secrets.DO_REGISTRY_TOKEN }}
+        run: |
+          mkdir -p ~/.docker
+          AUTH=$(echo -n "${DO_TOKEN}:${DO_TOKEN}" | base64)
+          echo "{\"auths\":{\"registry.digitalocean.com\":{\"auth\":\"${AUTH}\"}}}" > ~/.docker/config.json
+          mkdir -p .docker
+          cp ~/.docker/config.json .docker/
+
+      - name: Push JFR Sidecar image to DO registry
+        id: push-jfr-sidecar
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        env:
+          DOCKER_CONFIG: ${{ github.workspace }}/.docker
+        run: |
+          set -ex
+
+          JFR_IMAGE="${{ steps.build-jfr-sidecar.outputs.image_path }}"
+          echo "Using JFR Sidecar image: $JFR_IMAGE"
+
+          if [ -z "$JFR_IMAGE" ] || [ ! -d "$JFR_IMAGE" ]; then
+            echo "ERROR: JFR Sidecar image not found at: $JFR_IMAGE"
+            exit 1
+          fi
+
+          # Build the push target to get crane in runfiles
+          bazel build //ci:jfr_sidecar_push
+
+          # Use crane directly for push
+          CRANE="bazel-bin/ci/push_jfr_sidecar_push.sh.runfiles/rules_oci~~oci~oci_crane_darwin_arm64/crane"
+          echo "Using crane: $CRANE"
+
+          # Push with SHA tag
+          GIT_SHA=$(git rev-parse --short=8 HEAD)
+          IMAGE_TAG="registry.digitalocean.com/eagle0/jfr-sidecar:${GIT_SHA}"
+          echo "Pushing JFR sidecar image: $IMAGE_TAG"
+          $CRANE push "$JFR_IMAGE" "$IMAGE_TAG"
+
+          # Output the full image tag for deploy step
+          echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
+
+          # Also update :latest for convenience
+          echo "Copying to :latest tag"
+          $CRANE copy "$IMAGE_TAG" "registry.digitalocean.com/eagle0/jfr-sidecar:latest"
+
   deploy:
     runs-on: ubuntu-latest
-    needs: [build-eagle, build-shardok]
+    needs: [build-eagle, build-shardok, build-admin, build-jfr-sidecar]
     if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
     environment: production
     env:
       EAGLE_IMAGE: ${{ needs.build-eagle.outputs.image_tag }}
       SHARDOK_IMAGE: ${{ needs.build-shardok.outputs.image_tag }}
+      ADMIN_IMAGE: ${{ needs.build-admin.outputs.image_tag }}
+      JFR_SIDECAR_IMAGE: ${{ needs.build-jfr-sidecar.outputs.image_tag }}
+      OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+      GPT_MODEL_NAME: ${{ secrets.GPT_MODEL_NAME }}
+      EAGLE_ENABLE_S3: ${{ secrets.EAGLE_ENABLE_S3 }}
+      DO_SPACES_ACCESS_KEY: ${{ secrets.DO_SPACES_ACCESS_KEY }}
+      DO_SPACES_SECRET_KEY: ${{ secrets.DO_SPACES_SECRET_KEY }}
+      JWT_PRIVATE_KEY: ${{ secrets.JWT_PRIVATE_KEY }}
+      DISCORD_CLIENT_ID: ${{ secrets.DISCORD_CLIENT_ID }}
+      DISCORD_CLIENT_SECRET: ${{ secrets.DISCORD_CLIENT_SECRET }}
+      GOOGLE_CLIENT_ID: ${{ secrets.GOOGLE_CLIENT_ID }}
+      GOOGLE_CLIENT_SECRET: ${{ secrets.GOOGLE_CLIENT_SECRET }}
+      SHARDOK_ADDRESS: ${{ secrets.SHARDOK_ADDRESS }}
+      SHARDOK_AUTH_TOKEN: ${{ secrets.SHARDOK_AUTH_TOKEN }}
+      SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -257,23 +463,87 @@ jobs:
           username: deploy
           key: ${{ secrets.DO_SSH_KEY }}
           script_stop: true
-          envs: EAGLE_IMAGE,SHARDOK_IMAGE
+          envs: EAGLE_IMAGE,SHARDOK_IMAGE,ADMIN_IMAGE,JFR_SIDECAR_IMAGE,OPENAI_API_KEY,GPT_MODEL_NAME,EAGLE_ENABLE_S3,DO_SPACES_ACCESS_KEY,DO_SPACES_SECRET_KEY,JWT_PRIVATE_KEY,DISCORD_CLIENT_ID,DISCORD_CLIENT_SECRET,GOOGLE_CLIENT_ID,GOOGLE_CLIENT_SECRET,SHARDOK_ADDRESS,SHARDOK_AUTH_TOKEN,SENTRY_DSN
           script: |
             set -x
             cd /opt/eagle0
 
+            # Check Docker has IPv6 support for connecting to Hetzner Shardok
+            # (One-time setup: sudo tee /etc/docker/daemon.json <<< '{"ipv6": true, "ip6tables": true, "experimental": true, "fixed-cidr-v6": "fd00::/80"}' && sudo systemctl restart docker)
+            if ! cat /etc/docker/daemon.json 2>/dev/null | grep -q '"ip6tables"'; then
+              echo "WARNING: Docker IPv6 not configured. Eagle may not reach Hetzner Shardok."
+              echo "Run: sudo tee /etc/docker/daemon.json <<< '{\"ipv6\": true, \"ip6tables\": true, \"experimental\": true, \"fixed-cidr-v6\": \"fd00::/80\"}' && sudo systemctl restart docker"
+            fi
+
+            # Write env vars to .env file for docker-compose
+            # Preserve AUTH_IMAGE if it exists (managed by auth_build.yml)
+            EXISTING_AUTH_IMAGE=""
+            if [ -f .env ]; then
+              EXISTING_AUTH_IMAGE=$(grep '^AUTH_IMAGE=' .env | cut -d= -f2- || true)
+            fi
+
+            rm -f .env 2>/dev/null || true
+            cat > .env << EOF
+            EAGLE_IMAGE=${EAGLE_IMAGE}
+            SHARDOK_IMAGE=${SHARDOK_IMAGE}
+            ADMIN_IMAGE=${ADMIN_IMAGE}
+            JFR_SIDECAR_IMAGE=${JFR_SIDECAR_IMAGE}
+            AUTH_IMAGE=${EXISTING_AUTH_IMAGE:-registry.digitalocean.com/eagle0/auth-server:latest}
+            OPENAI_API_KEY=${OPENAI_API_KEY:-}
+            GPT_MODEL_NAME=${GPT_MODEL_NAME:-gpt-4o}
+            EAGLE_ENABLE_S3=${EAGLE_ENABLE_S3:-false}
+            DO_SPACES_ACCESS_KEY=${DO_SPACES_ACCESS_KEY:-}
+            DO_SPACES_SECRET_KEY=${DO_SPACES_SECRET_KEY:-}
+            JWT_PRIVATE_KEY=${JWT_PRIVATE_KEY:-}
+            DISCORD_CLIENT_ID=${DISCORD_CLIENT_ID:-}
+            DISCORD_CLIENT_SECRET=${DISCORD_CLIENT_SECRET:-}
+            GOOGLE_CLIENT_ID=${GOOGLE_CLIENT_ID:-}
+            GOOGLE_CLIENT_SECRET=${GOOGLE_CLIENT_SECRET:-}
+            SHARDOK_ADDRESS=${SHARDOK_ADDRESS:-shardok:40042}
+            SHARDOK_AUTH_TOKEN=${SHARDOK_AUTH_TOKEN:-}
+            SENTRY_DSN=${SENTRY_DSN:-}
+            EOF
+            chmod 600 .env
+
             # Login to registry
             echo "${{ secrets.DO_REGISTRY_TOKEN }}" | docker login registry.digitalocean.com -u "${{ secrets.DO_REGISTRY_TOKEN }}" --password-stdin
 
             # Use exact image tags passed from build jobs (no :latest fallback)
-            echo "Using images: $EAGLE_IMAGE, $SHARDOK_IMAGE"
+            # Note: AUTH_IMAGE is managed separately by auth_build.yml
+            echo "Using images: $EAGLE_IMAGE, $SHARDOK_IMAGE, $ADMIN_IMAGE, $JFR_SIDECAR_IMAGE"
 
-            # Pull images with exact SHA tags
-            echo "Pulling Eagle image: $EAGLE_IMAGE"
-            docker pull "${EAGLE_IMAGE}" || { echo "ERROR: Failed to pull eagle image"; exit 1; }
+            # Use crane to pull images (handles OCI format correctly) then load into Docker
+            # This avoids digest mismatch from DO registry's OCI->Docker format conversion
+            echo "Installing crane..."
+            curl -sL https://github.com/google/go-containerregistry/releases/download/v0.20.2/go-containerregistry_Linux_x86_64.tar.gz | tar xzf - crane
+            chmod +x crane
 
-            echo "Pulling Shardok image: $SHARDOK_IMAGE"
-            docker pull "${SHARDOK_IMAGE}" || { echo "ERROR: Failed to pull shardok image"; exit 1; }
+            # crane uses Docker config for auth
+            echo "Pulling Eagle image with crane..."
+            ./crane pull "${EAGLE_IMAGE}" eagle.tar || { echo "ERROR: Failed to pull eagle image"; exit 1; }
+            echo "Loading Eagle image into Docker..."
+            docker load -i eagle.tar
+            rm eagle.tar
+
+            echo "Pulling Shardok image with crane..."
+            ./crane pull "${SHARDOK_IMAGE}" shardok.tar || { echo "ERROR: Failed to pull shardok image"; exit 1; }
+            echo "Loading Shardok image into Docker..."
+            docker load -i shardok.tar
+            rm shardok.tar
+
+            echo "Pulling Admin image with crane..."
+            ./crane pull "${ADMIN_IMAGE}" admin.tar || { echo "ERROR: Failed to pull admin image"; exit 1; }
+            echo "Loading Admin image into Docker..."
+            docker load -i admin.tar
+            rm admin.tar
+
+            echo "Pulling JFR Sidecar image with crane..."
+            ./crane pull "${JFR_SIDECAR_IMAGE}" jfr-sidecar.tar || { echo "ERROR: Failed to pull jfr-sidecar image"; exit 1; }
+            echo "Loading JFR Sidecar image into Docker..."
+            docker load -i jfr-sidecar.tar
+            rm jfr-sidecar.tar
+
+            rm ./crane
 
             # Also pull other compose images
             docker pull nginx:alpine || true
@@ -281,12 +551,19 @@ jobs:
 
             echo "All images pulled successfully"
 
-            # Force recreate containers to ensure new image is used
-            docker compose -f docker-compose.prod.yml up -d --force-recreate --remove-orphans
+            # Recreate only the services we're updating (not auth - managed by auth_build.yml)
+            # This prevents restarting auth service during every Eagle deploy
+            docker compose -f docker-compose.prod.yml up -d --no-deps --force-recreate eagle shardok admin jfr-sidecar
+
+            # Ensure auth is running (but don't force-recreate it)
+            docker compose -f docker-compose.prod.yml up -d auth
 
             # Restart nginx to pick up new container IPs
             # (nginx caches DNS at startup, so it needs restart after eagle/shardok)
-            docker compose -f docker-compose.prod.yml restart nginx
+            docker compose -f docker-compose.prod.yml up -d --force-recreate nginx
+
+            # Cleanup orphaned containers
+            docker compose -f docker-compose.prod.yml up -d --remove-orphans
 
             # Wait for health checks
             sleep 10

.github/workflows/registry_cleanup.yml

@@ -0,0 +1,90 @@
+name: Cleanup Old Container Images
+
+on:
+  schedule:
+    # Run daily at 3am UTC
+    - cron: '0 3 * * *'
+  workflow_dispatch:
+    inputs:
+      dry_run:
+        description: 'Dry run (show what would be deleted without deleting)'
+        required: true
+        default: 'true'
+        type: boolean
+
+permissions:
+  contents: read
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install doctl
+        uses: digitalocean/action-doctl@v2
+        with:
+          token: ${{ secrets.DO_REGISTRY_TOKEN }}
+
+      - name: Cleanup old images
+        env:
+          DRY_RUN: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.dry_run == 'true' }}
+        run: |
+          set -e
+
+          RETENTION_DAYS=5
+          CUTOFF_DATE=$(date -d "-${RETENTION_DAYS} days" +%s)
+          REGISTRY="eagle0"
+
+          echo "Cleaning up images older than ${RETENTION_DAYS} days"
+          echo "Cutoff date: $(date -d "@${CUTOFF_DATE}" -Iseconds)"
+          echo "Dry run: ${DRY_RUN}"
+          echo ""
+
+          # List of repositories to clean
+          REPOS=$(doctl registry repository list-v2 --format Name --no-header)
+
+          for REPO in $REPOS; do
+            echo "=== Processing repository: ${REPO} ==="
+
+            # Get all manifests with their tags and dates
+            MANIFESTS=$(doctl registry repository list-manifests "${REPO}" --format Digest,UpdatedAt,Tags --no-header 2>/dev/null || echo "")
+
+            if [ -z "$MANIFESTS" ]; then
+              echo "  No manifests found"
+              continue
+            fi
+
+            echo "$MANIFESTS" | while read -r DIGEST UPDATED_AT TAGS; do
+              # Skip if no digest
+              if [ -z "$DIGEST" ]; then
+                continue
+              fi
+
+              # Parse the date
+              MANIFEST_DATE=$(date -d "$UPDATED_AT" +%s 2>/dev/null || echo "0")
+
+              # Skip protected tags (latest, arm64-latest)
+              if echo "$TAGS" | grep -qE '(^|,)(latest|arm64-latest)(,|$)'; then
+                echo "  KEEP: ${DIGEST:0:20}... (protected tag: $TAGS)"
+                continue
+              fi
+
+              # Check if older than cutoff
+              if [ "$MANIFEST_DATE" -lt "$CUTOFF_DATE" ]; then
+                echo "  DELETE: ${DIGEST:0:20}... (updated: $UPDATED_AT, tags: $TAGS)"
+                if [ "$DRY_RUN" != "true" ]; then
+                  doctl registry repository delete-manifest "${REPO}" "$DIGEST" --force
+                fi
+              else
+                echo "  KEEP: ${DIGEST:0:20}... (updated: $UPDATED_AT, tags: $TAGS)"
+              fi
+            done
+
+            echo ""
+          done
+
+      - name: Run garbage collection
+        if: github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && github.event.inputs.dry_run == 'false')
+        run: |
+          echo "Starting garbage collection..."
+          doctl registry garbage-collection start --force
+          echo "Garbage collection started. It may take a few minutes to complete."

.github/workflows/shardok_arm64_build.yml

@@ -0,0 +1,159 @@
+name: Shardok ARM64 Build and Push
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - 'src/main/cpp/**'
+      - 'src/main/protobuf/net/eagle0/shardok/**'
+      - 'src/main/protobuf/net/eagle0/common/**'
+      - 'src/main/resources/net/eagle0/shardok/**'
+      - 'ci/BUILD.bazel'
+      - 'MODULE.bazel'
+      - '.github/workflows/shardok_arm64_build.yml'
+  workflow_dispatch:
+    inputs:
+      push_images:
+        description: 'Push images to container registry'
+        required: true
+        default: 'true'
+        type: boolean
+
+permissions:
+  contents: read
+
+jobs:
+  build-shardok-arm64:
+    runs-on: self-hosted
+    outputs:
+      image_tag: ${{ steps.push-shardok.outputs.image_tag }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          lfs: false
+
+      - name: Build Shardok ARM64 binary (cross-compile for Linux ARM64)
+        run: |
+          set -ex
+
+          echo "=== Building shardok-server binary for linux-aarch64 ==="
+          bazel build \
+            --platforms=//:linux_arm64 \
+            --extra_toolchains=@llvm_toolchain_linux_arm64//:all \
+            //src/main/cpp/net/eagle0/shardok:shardok-server
+
+          LINUX_BIN="bazel-bin/src/main/cpp/net/eagle0/shardok/shardok-server"
+          echo "=== Checking binary at: $LINUX_BIN ==="
+
+          if [ ! -f "$LINUX_BIN" ]; then
+            echo "ERROR: Binary not found at $LINUX_BIN"
+            exit 1
+          fi
+
+          # Verify it's ELF (Linux) not Mach-O (macOS)
+          echo "=== Verifying binary format ==="
+          MAGIC=$(head -c 4 "$LINUX_BIN" | xxd -p)
+          echo "Binary magic bytes: $MAGIC"
+
+          if [ "$MAGIC" = "7f454c46" ]; then
+            echo "SUCCESS: Binary is ELF format (Linux)"
+            # Check if it's ARM64 (e_machine = 0xB7 = 183 for aarch64)
+            E_MACHINE=$(od -An -j18 -N2 -tx2 "$LINUX_BIN" | tr -d ' ')
+            echo "ELF e_machine: $E_MACHINE"
+            if [ "$E_MACHINE" = "b700" ]; then
+              echo "SUCCESS: Binary is ARM64 (aarch64)"
+            else
+              echo "WARNING: Binary e_machine is $E_MACHINE (expected b700 for aarch64)"
+            fi
+          elif [ "$MAGIC" = "cfaeedfe" ] || [ "$MAGIC" = "cffaedfe" ]; then
+            echo "ERROR: Binary is Mach-O format (macOS) - cross-compilation failed!"
+            exit 1
+          else
+            echo "WARNING: Unknown binary format: $MAGIC"
+            file "$LINUX_BIN" || true
+          fi
+
+      - name: Build Shardok ARM64 Docker image
+        id: build-shardok
+        run: |
+          set -ex
+
+          bazel build \
+            --platforms=//:linux_arm64 \
+            --extra_toolchains=@llvm_toolchain_linux_arm64//:all \
+            //ci:shardok_server_image_arm64
+
+          IMAGE_PATH=$(readlink -f bazel-bin/ci/shardok_server_image_arm64)
+          echo "Image path: $IMAGE_PATH"
+          echo "image_path=$IMAGE_PATH" >> $GITHUB_OUTPUT
+
+          # Verify the binary inside the tar layer is ARM64 ELF
+          echo "=== Verifying binary in image tar ==="
+          BINARY_TAR="bazel-bin/ci/shardok_binary_layer_arm64.tar"
+          if [ -f "$BINARY_TAR" ]; then
+            echo "Checking binary in $BINARY_TAR"
+            MAGIC=$(tar -xOf "$BINARY_TAR" app/shardok-server 2>/dev/null | head -c 4 | xxd -p)
+            echo "Binary magic in tar: $MAGIC"
+            if [ "$MAGIC" = "7f454c46" ]; then
+              echo "SUCCESS: Binary in tar is ELF format (Linux)"
+            else
+              echo "ERROR: Binary in tar is NOT ELF format!"
+              exit 1
+            fi
+          else
+            echo "WARNING: Could not find $BINARY_TAR"
+          fi
+
+      - name: Login to DigitalOcean Container Registry
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        env:
+          DO_REGISTRY_TOKEN: ${{ secrets.DO_REGISTRY_TOKEN }}
+        run: |
+          AUTH=$(echo -n "${DO_REGISTRY_TOKEN}:${DO_REGISTRY_TOKEN}" | base64)
+          echo "{\"auths\":{\"registry.digitalocean.com\":{\"auth\":\"${AUTH}\"}}}" > ~/.docker/config.json
+
+      - name: Push Shardok ARM64 image to DigitalOcean
+        id: push-shardok
+        if: github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.push_images == 'true')
+        run: |
+          set -ex
+
+          CROSS_IMAGE="${{ steps.build-shardok.outputs.image_path }}"
+          echo "Using cross-compiled image: $CROSS_IMAGE"
+
+          if [ -z "$CROSS_IMAGE" ] || [ ! -d "$CROSS_IMAGE" ]; then
+            echo "ERROR: Cross-compiled image not found at: $CROSS_IMAGE"
+            exit 1
+          fi
+
+          # Build a push target to get crane in runfiles
+          bazel build //ci:eagle_server_push
+
+          # Find the Darwin crane binary
+          RUNFILES="bazel-bin/ci/push_eagle_server_push.sh.runfiles"
+          CRANE=$(find "$RUNFILES" -path "*darwin*" -name crane 2>/dev/null | head -1)
+          if [ -z "$CRANE" ]; then
+            CRANE=$(find "$RUNFILES" -name crane 2>/dev/null | head -1)
+          fi
+          if [ -z "$CRANE" ] || [ ! -e "$CRANE" ]; then
+            echo "ERROR: crane not found"
+            exit 1
+          fi
+          echo "Using crane: $CRANE"
+
+          # Push with arm64-prefixed SHA tag (same repo as x86, different tag)
+          GIT_SHA=$(git rev-parse --short=8 HEAD)
+          IMAGE_TAG="registry.digitalocean.com/eagle0/shardok-server:arm64-${GIT_SHA}"
+          echo "Pushing shardok ARM64 image: $IMAGE_TAG"
+          $CRANE push "$CROSS_IMAGE" "$IMAGE_TAG"
+
+          echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
+
+          # Also update :arm64-latest tag for convenience
+          echo "Copying to :arm64-latest tag"
+          $CRANE copy "$IMAGE_TAG" "registry.digitalocean.com/eagle0/shardok-server:arm64-latest"
+
+          echo "=== Push complete ==="
+          echo "Image: $IMAGE_TAG"
+          echo "Also tagged as: registry.digitalocean.com/eagle0/shardok-server:arm64-latest"

.github/workflows/unity_build.yml

@@ -52,14 +52,14 @@ jobs:
       - name: Persist Library/
         run: ./ci/github_actions/persist_library.sh
       - name: Deploy Windows unity
-        if: success() #&& github.ref == 'refs/heads/main' && github.event_name == 'push'
+        if: success() && github.ref == 'refs/heads/main' && github.event_name == 'push'
         env:
           ACCESS_KEY_ID: ${{ secrets.ACCESS_KEY_ID }}
           SECRET_KEY: ${{ secrets.SECRET_KEY }}
         run: bazel run //src/main/go/net/eagle0/build/unity3d_windows_build_handler:unity3d_windows_build_handler -- "/tmp/eagle0/eagle0WIN" "/tmp/unity_manifest.txt"
 
       - name: Update unified manifest
-        if: success() #&& github.ref == 'refs/heads/main' && github.event_name == 'push'
+        if: success() && github.ref == 'refs/heads/main' && github.event_name == 'push'
         env:
           ACCESS_KEY_ID: ${{ secrets.ACCESS_KEY_ID }}
           SECRET_KEY: ${{ secrets.SECRET_KEY }}

BUILD.bazel

@@ -12,6 +12,15 @@ platform(
     ],
 )
 
+# Platform for cross-compiling to Linux ARM64
+platform(
+    name = "linux_arm64",
+    constraint_values = [
+        "@platforms//os:linux",
+        "@platforms//cpu:aarch64",
+    ],
+)
+
 gazelle(name = "gazelle")
 
 # gazelle:proto file

DEPROTO_PLAN.md

@@ -0,0 +1,213 @@
+# Deproto Migration Plan
+
+This document tracks the migration from protobuf types to native Scala models inside the Eagle game engine.
+
+## Architectural Decisions
+
+1. **Keep proto for persistence**: Yes - protobuf is used for persisting game state
+2. **Keep proto for Shardok communication**: Yes - protobuf is used for Eagle-Shardok gRPC communication
+3. **Use Scala views inside the library**: Yes - use native Scala types like `ProvinceView`, `FactionView`, `HeroView`, etc. within the library code
+
+## Recent Completed Work
+
+### GameState Round-Trip Elimination (PRs #4913, #4914, #4915)
+
+Eliminated wasteful Scala→proto→Scala conversions in the hot path:
+
+1. **LLM Pipeline** (#4913): `LlmRequestWithGameState` now uses Scala `GameState` instead of proto. All ~38 prompt generators updated to use Scala model types (`FactionT`, `HeroT`, `ProvinceT`).
+
+2. **ActionWithResultingState Caching** (#4914): Added `precomputedScalaState: Option[GameState]` to cache Scala state when available, avoiding `fromProto()` conversion in `stateAfter()`.
+
+3. **PostResults Simplification** (#4915): Changed `PostResults.gameState` from proto to `Option[GameState]` (Scala), eliminating `toProto()` calls when creating PostResults.
+
+## Migration Pattern
+
+The codebase follows a **Legacy* pattern** for separating proto-dependent and protoless code:
+
+- **Protoless utilities**: `FactionUtils`, `HeroUtils`, `ProvinceUtils`, `ProvinceDistances`, etc.
+- **Proto-dependent utilities**: `LegacyFactionUtils`, `LegacyHeroUtils`, `LegacyProvinceUtils`, `LegacyProvinceDistances`, etc.
+
+When migrating a file:
+1. Create a `Legacy*` version containing the proto-dependent methods
+2. Keep the original file name for protoless methods
+3. Update callers to use the appropriate version based on their context
+
+## Migration Status
+
+### Fully Protoless (no proto imports)
+
+**Utilities:**
+- [x] `FactionUtils` - has protoless `ownedNeighbors` method
+- [x] `ProvinceDistances` - split into protoless + `LegacyProvinceDistances`
+- [x] `SwornBrotherChooser` - fully protoless (removed `bestChoiceProto`)
+
+**Command Selectors (all use native GameState):**
+- [x] `AllianceOfferCommandSelector`
+- [x] `AlmsCommandSelector`
+- [x] `AttackCommandChooser`
+- [x] `ExpandCommandSelector`
+- [x] `HeroGiftCommandSelector`
+- [x] `ImproveCommandSelector`
+- [x] `MarchTowardProvinceCommandChooser` - in AI folder, uses native GameState (callers convert)
+- [x] `OrganizeCommandSelector`
+- [x] `RansomOfferHelpers`
+- [x] `SeekMoreLeadersCommandChooser` - in AI folder, uses native GameState
+- [x] `TruceOfferCommandSelector`
+- [x] `TrustForDiplomacy`
+
+**Quest Command Selectors (all protoless):**
+- [x] `AllianceQuestCommandChooser`
+- [x] `AlmsAcrossRealmQuestCommandChooser`
+- [x] `AlmsToProvinceQuestCommandChooser`
+- [x] `DismissSpecificVassalCommandChooser`
+- [x] `GiveToHeroesAcrossRealmQuestCommandChooser`
+- [x] `GiveToHeroesInProvinceQuestCommandChooser`
+- [x] `ImproveQuestCommandChooser`
+- [x] `QuestCommandChooser`
+- [x] `TruceCountQuestCommandChooser`
+- [x] `TruceWithFactionQuestCommandChooser`
+
+### Fully Protoless
+
+- [x] `AIClientUtils` - has protoless overloads (`takenHeroIdsForMarchTowardFocus`, `mostPowerfulHeroes`)
+- [x] `AttackCommandChooser` - uses Scala `GameState` and `BattalionViewC` (Scala view type)
+- [x] `BattalionPower` - has `estimatedPower(BattalionViewC)` for recon data with optional stats
+- [x] `CommandChoiceHelpers` - fully protoless, uses Scala `GameState` throughout
+- [x] `ProvinceGoldSurplusCalculator` - fully protoless (callers use converters)
+- [x] `HeroSelector` - fully protoless (removed dead `minimallyFatiguedHeroesProto`)
+
+### AI Layer ✅ COMPLETE
+
+All AI and command chooser code is now fully protoless:
+- [x] `AttackDecisionCommandChooser` - uses Scala GameState
+- [x] `CommandChooser` - trait uses Scala GameState
+- [x] `FulfillQuestsCommandSelector` - uses Scala GameState
+- [x] `MidGameAIClient` - uses Scala GameState internally
+
+### Still Using Proto GameState (Boundary Code)
+
+These files use proto GameState because they're at system boundaries:
+
+**View Filters (client projection):**
+- `view_filters/GameStateViewFilter` - has Scala overload, uses Scala sub-filters
+- `view_filters/ProvinceViewFilter` - has Scala overloads for some methods
+- `view_filters/FactionViewFilter` - has Scala overload
+- `view_filters/HeroViewFilter` - has Scala overload
+- `view_filters/BattalionNameFilter` - has Scala overload
+- `view_filters/BattleFilter` - has Scala overload
+
+**Legacy Utilities (to be deprecated):**
+- `LegacyProvinceDistances`, `LegacyFactionUtils`, `LegacyHeroUtils`, etc.
+- Used by code that still needs proto GameState
+
+**Persistence/Action System:**
+- `ActionResultTApplier`, `ActionResultProtoApplier` - apply results to proto state
+- `ActionWithResultingState` - caches both proto and Scala state
+
+**Shardok Interface (gRPC boundary):**
+- `ShardokInterfaceGrpcClient`, `ShardokInterfaceProxy` - must use proto for C++ communication
+
+## Next Steps
+
+### Phase 1-3: AI Layer ✅ COMPLETE
+
+The entire AI decision-making layer is now protoless.
+
+### Phase 4: View Filters ✅ COMPLETE
+
+The view_filters package migration is complete:
+
+**Completed:**
+- [x] `GameStateViewFilter` - added Scala GameState overload (uses Scala sub-filters)
+- [x] `ProvinceViewFilter` - already has Scala overloads for server-side views
+- [x] `HumanPlayerClientConnectionState` - updated to pass Scala GameState directly
+- [x] `HeroViewFilter` - added Scala overload
+- [x] `FactionViewFilter` - added Scala overload
+- [x] `Visibility` - added Scala overloads
+
+**Still Using Proto:**
+- [x] `BattalionNameFilter` - has Scala overload
+- [x] `BattleFilter` - has Scala overload
+- [ ] `ActionResultFilter` - uses proto internally (boundary code)
+
+**Strategy:**
+1. Add Scala GameState overloads to view filter methods
+2. Update callers to pass Scala GameState where available
+3. Eventually deprecate proto versions
+
+### Phase 5: Legacy Utility Cleanup (IN PROGRESS)
+
+Remove Legacy* utilities by migrating remaining callers:
+1. Identify callers of each Legacy* util
+2. Update callers to use protoless versions
+3. Delete Legacy* files when no longer needed
+
+**Deleted (no production callers):**
+- [x] `LegacyProvinceDistances` - deleted (no callers)
+- [x] `LegacyBattalionSuitability` - deleted (no callers)
+- [x] `LegacyFoodConsumptionUtils` - deleted (no callers)
+- [x] `LegacyHandleRiotUtils` - deleted (no callers)
+
+**Refactored to Thin Wrappers (delegating to protoless versions):**
+- [x] `LegacyRansomValidity` - already a thin wrapper delegating to `RansomValidity`
+- [x] `LegacyRecruitmentOdds` - refactored to delegate to `RecruitmentOdds`
+
+**Parallel Implementations (proto mirrors protoless):**
+- [x] `FactionUtils` / `LegacyFactionUtils` - both have matching APIs; LegacyFactionUtils used by boundary code (24+ callers)
+- [x] `HeroUtils` / `LegacyHeroUtils` - both have matching APIs; LegacyHeroUtils used by boundary code (10 callers)
+- [x] `ProvinceUtils` / `LegacyProvinceUtils` - both have matching APIs; LegacyProvinceUtils used by boundary code (20 callers: availability factories, view filters)
+
+**Parallel Implementations (awaiting migration of callers):**
+- [x] `BattalionUtils` / `LegacyBattalionUtils` - both have matching core methods; LegacyBattalionUtils used by boundary code (4 callers)
+- [x] `BattalionViewFilter` / `LegacyBattalionViewFilter` - protoless version exists; Legacy used by view filters, action appliers (3 callers)
+- [x] `BattalionTypeFinder` / `LegacyBattalionTypeFinder` - protoless version exists; Legacy used by validators (1 caller: RuntimeValidator)
+
+### Recent Caller Migration
+
+**CheckForFulfilledQuestsAction** - migrated to use protoless `BattalionTypeFinder`:
+- Changed `battalionTypes` parameter from proto `Vector[BattalionType]` to Scala `Vector[BattalionType]`
+- Updated callers (EngineImpl, EndVassalCommandsPhaseAction) to pass Scala types directly
+- Eliminated wasteful `BattalionTypeConverter.toProto()` conversions
+
+**ExpandedUnaffiliatedHeroUtils** - added Scala overload:
+- New overload takes Scala `GameState` and `UnaffiliatedHeroT` directly
+- Added `UnaffiliatedHeroConverter.unaffiliatedHeroTypeToProto()` helper for efficient enum conversion
+- Proto overload retained for backward compatibility
+
+**AvailablePleaseRecruitMeCommandFactory** - eliminated wasteful proto conversions:
+- Now uses `ExpandedUnaffiliatedHeroUtils.expandedUnaffiliatedHero(ScalaGameState, UnaffiliatedHeroT)` directly
+- Removed `GameStateConverter.toProto()` and `UnaffiliatedHeroConverter.toProto()` calls
+- Factory is now fully protoless internally (still returns proto types for API boundary)
+
+**ProvinceViewFilter** - added Scala overload with faction filtering:
+- New `filteredProvinceView(province: ProvinceT, gs: ScalaGameState, factionId: FactionId)` overload
+- Uses protoless `FactionUtils.hasAlliance`, `Visibility.hasFullVisibility`, and `ProvinceUtils.incomingOthers`
+- Handles reconned provinces directly from Scala `FactionT.reconnedProvinces` (already Scala type)
+- Added helper methods: `fullProvinceInfoScala`, `maybeIncomingAttackersScala`, `unaffiliatedHeroInfoScala`
+- Events still converted to proto at the end (ProvinceView.knownEvents uses proto events)
+
+**GameStateViewFilter** - eliminated GameStateConverter.toProto() call:
+- Scala overload now fully protoless internally
+- Uses the new ProvinceViewFilter Scala overload with faction filtering
+- Converts `battalionTypes` and `chronicleEntries` to proto only at output boundary
+
+## Key Files
+
+### Protoless Model Types
+
+- `src/main/scala/net/eagle0/eagle/model/state/game_state/GameState.scala` - native Scala GameState
+- `src/main/scala/net/eagle0/eagle/model/state/province/ProvinceView.scala` - province view type
+- `src/main/scala/net/eagle0/eagle/model/state/faction/FactionView.scala` - faction view type
+- `src/main/scala/net/eagle0/eagle/model/state/hero/HeroView.scala` - hero view type
+
+### Proto Converters
+
+- `src/main/scala/net/eagle0/eagle/model/proto_converters/game_state/` - converts between proto and Scala types
+
+## Notes
+
+- The AI client code (`src/main/scala/net/eagle0/eagle/ai/`) is now fully protoless
+- Proto GameState is still needed at boundaries: persistence, gRPC to Shardok
+- `PerformUnaffiliatedHeroesAction` and the LLM pipeline use protoless `GameState`
+- `GameStateViewFilter` Scala overload is now fully protoless internally (converts to proto only at output)
+- `ProvinceViewFilter` has Scala overloads for all three modes: no filtering, faction filtering, and withdrawn-from view

MODULE.bazel

@@ -57,25 +57,47 @@ llvm.toolchain(
     llvm_version = "20.1.2",
 )
 
-# Linux sysroot for cross-compilation (Chromium's Debian sysroot)
+# Linux x86_64 sysroot for cross-compilation
 llvm.sysroot(
     name = "llvm_toolchain_linux",
     label = "@linux_sysroot//sysroot",
     targets = ["linux-x86_64"],
 )
 
-use_repo(llvm, "llvm_toolchain", "llvm_toolchain_linux")
+# Cross-compilation toolchain (macOS -> Linux ARM64)
+llvm.toolchain(
+    name = "llvm_toolchain_linux_arm64",
+    llvm_version = "20.1.2",
+)
 
-# Download the Linux sysroot (Ubuntu 24.04 Noble for C++23 support)
+# Linux ARM64 sysroot for cross-compilation
+llvm.sysroot(
+    name = "llvm_toolchain_linux_arm64",
+    label = "@linux_sysroot_arm64//sysroot",
+    targets = ["linux-aarch64"],
+)
+
+use_repo(llvm, "llvm_toolchain", "llvm_toolchain_linux", "llvm_toolchain_linux_arm64")
+
+# Download the Linux sysroots (Ubuntu 24.04 Noble for C++23 support)
 # Built by: .github/workflows/build_sysroot.yml
 # To rebuild: Run the "Build Linux Sysroot" workflow with a new version, then update sha256 and URL
 sysroot = use_repo_rule("@toolchains_llvm//toolchain:sysroot.bzl", "sysroot")
+
+# x86_64 sysroot
 sysroot(
     name = "linux_sysroot",
     sha256 = "a06475004fe8003ae7ccb4fe1d5511feb9b27cce4a8826eb1dfd686ed83f3dba",
     urls = ["https://eagle0-windows.sfo3.digitaloceanspaces.com/sysroot/v3/ubuntu_noble_amd64_sysroot.tar.xz"],
 )
 
+# ARM64 sysroot
+sysroot(
+    name = "linux_sysroot_arm64",
+    sha256 = "87469137737e09bc73855007dab835477eb10a7b3ce3f725f93f64e25747f3f9",
+    urls = ["https://eagle0-windows.sfo3.digitaloceanspaces.com/sysroot/v4/ubuntu_noble_arm64_sysroot.tar.xz"],
+)
+
 #
 # Language Support - Go
 #
@@ -94,6 +116,8 @@ use_repo(
     "com_github_aws_aws_sdk_go_v2_config",
     "com_github_aws_aws_sdk_go_v2_credentials",
     "com_github_aws_aws_sdk_go_v2_service_s3",
+    "com_github_golang_jwt_jwt_v5",
+    "com_github_google_uuid",
     "org_golang_google_grpc",
     "org_golang_google_protobuf",
 )
@@ -130,22 +154,33 @@ bazel_dep(name = "aspect_bazel_lib", version = "2.16.0")
 
 oci = use_extension("@rules_oci//oci:extensions.bzl", "oci")
 
-# Base image for Eagle (Java 17)
+# Base image for Eagle (Java 17 JDK - includes jcmd for JFR dumps)
 oci.pull(
     name = "eclipse_temurin_17",
-    digest = "sha256:d286b5352d98777bbf727f54038b04f0145cd9b76ca83f38a67aa111d4303748",
     image = "docker.io/library/eclipse-temurin",
     platforms = ["linux/amd64"],
+    tag = "17-jdk",
 )
 
 # Base image for Shardok (Ubuntu 24.04 for C++ runtime)
 oci.pull(
     name = "ubuntu_24_04",
     image = "docker.io/library/ubuntu",
-    platforms = ["linux/amd64"],
+    platforms = [
+        "linux/amd64",
+        "linux/arm64/v8",
+    ],
     tag = "24.04",
 )
-use_repo(oci, "eclipse_temurin_17", "eclipse_temurin_17_linux_amd64", "ubuntu_24_04", "ubuntu_24_04_linux_amd64")
+
+# Base image for Admin Server (Alpine for lightweight Go binary)
+oci.pull(
+    name = "alpine_linux",
+    image = "docker.io/library/alpine",
+    platforms = ["linux/amd64"],
+    tag = "3.21",
+)
+use_repo(oci, "alpine_linux", "alpine_linux_linux_amd64", "eclipse_temurin_17", "eclipse_temurin_17_linux_amd64", "ubuntu_24_04", "ubuntu_24_04_linux_amd64", "ubuntu_24_04_linux_arm64_v8")
 
 #
 # Java/Scala Dependencies
@@ -211,6 +246,9 @@ maven.install(
 
         # JWT (for OAuth token handling)
         "com.nimbusds:nimbus-jose-jwt:9.37.3",
+
+        # Error tracking
+        "io.sentry:sentry:7.19.0",
     ],
     duplicate_version_warning = "error",
     fail_if_repin_required = True,
@@ -265,6 +303,14 @@ http_file(
     executable = True,
 )
 
+http_file(
+    name = "busybox_aarch64",
+    sha256 = "141adb1b625a6f44c4b114f76b4387b4ea4f7ab802b88eb40e0d2f6adcccb1c3",
+    urls = ["https://busybox.net/downloads/binaries/1.35.0-aarch64-linux-musl/busybox"],
+    downloaded_file_path = "busybox",
+    executable = True,
+)
+
 #
 # Toolchain Registration
 #
@@ -278,5 +324,6 @@ register_toolchains(
 register_toolchains(
     "@llvm_toolchain//:all",
     "@llvm_toolchain_linux//:all",
+    "@llvm_toolchain_linux_arm64//:all",
     dev_dependency = True,
 )

MODULE.bazel.lock

@@ -1293,7 +1293,7 @@
     "@@rules_oci~//oci:extensions.bzl%oci": {
       "general": {
         "bzlTransitiveDigest": "FaY+7xb13bB3hmxqwAWaGp3Tf3Q4Nfdlr+F38CP5mcg=",
-        "usagesDigest": "BuciKSozbpJMD9EP+j0RG5ZgrYMeDPsQyiOnLUni2V8=",
+        "usagesDigest": "39yHQmifPoGf+JSYpnQSnJGugxbrFVge/+ENmUiqZ6M=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
         "envVariables": {},
@@ -1306,7 +1306,7 @@
               "scheme": "https",
               "registry": "index.docker.io",
               "repository": "library/eclipse-temurin",
-              "identifier": "sha256:d286b5352d98777bbf727f54038b04f0145cd9b76ca83f38a67aa111d4303748",
+              "identifier": "17-jdk",
               "platform": "linux/amd64",
               "target_name": "eclipse_temurin_17_linux_amd64",
               "bazel_tags": []
@@ -1321,7 +1321,7 @@
               "scheme": "https",
               "registry": "index.docker.io",
               "repository": "library/eclipse-temurin",
-              "identifier": "sha256:d286b5352d98777bbf727f54038b04f0145cd9b76ca83f38a67aa111d4303748",
+              "identifier": "17-jdk",
               "platforms": {
                 "@@platforms//cpu:x86_64": "@eclipse_temurin_17_linux_amd64"
               },
@@ -1343,6 +1343,20 @@
               "bazel_tags": []
             }
           },
+          "ubuntu_24_04_linux_arm64_v8": {
+            "bzlFile": "@@rules_oci~//oci/private:pull.bzl",
+            "ruleClassName": "oci_pull",
+            "attributes": {
+              "www_authenticate_challenges": {},
+              "scheme": "https",
+              "registry": "index.docker.io",
+              "repository": "library/ubuntu",
+              "identifier": "24.04",
+              "platform": "linux/arm64/v8",
+              "target_name": "ubuntu_24_04_linux_arm64_v8",
+              "bazel_tags": []
+            }
+          },
           "ubuntu_24_04": {
             "bzlFile": "@@rules_oci~//oci/private:pull.bzl",
             "ruleClassName": "oci_alias",
@@ -1354,12 +1368,44 @@
               "repository": "library/ubuntu",
               "identifier": "24.04",
               "platforms": {
-                "@@platforms//cpu:x86_64": "@ubuntu_24_04_linux_amd64"
+                "@@platforms//cpu:x86_64": "@ubuntu_24_04_linux_amd64",
+                "@@platforms//cpu:arm64": "@ubuntu_24_04_linux_arm64_v8"
               },
               "bzlmod_repository": "ubuntu_24_04",
               "reproducible": true
             }
           },
+          "alpine_linux_linux_amd64": {
+            "bzlFile": "@@rules_oci~//oci/private:pull.bzl",
+            "ruleClassName": "oci_pull",
+            "attributes": {
+              "www_authenticate_challenges": {},
+              "scheme": "https",
+              "registry": "index.docker.io",
+              "repository": "library/alpine",
+              "identifier": "3.21",
+              "platform": "linux/amd64",
+              "target_name": "alpine_linux_linux_amd64",
+              "bazel_tags": []
+            }
+          },
+          "alpine_linux": {
+            "bzlFile": "@@rules_oci~//oci/private:pull.bzl",
+            "ruleClassName": "oci_alias",
+            "attributes": {
+              "target_name": "alpine_linux",
+              "www_authenticate_challenges": {},
+              "scheme": "https",
+              "registry": "index.docker.io",
+              "repository": "library/alpine",
+              "identifier": "3.21",
+              "platforms": {
+                "@@platforms//cpu:x86_64": "@alpine_linux_linux_amd64"
+              },
+              "bzlmod_repository": "alpine_linux",
+              "reproducible": true
+            }
+          },
           "oci_crane_darwin_amd64": {
             "bzlFile": "@@rules_oci~//oci:repositories.bzl",
             "ruleClassName": "crane_repositories",
@@ -1496,7 +1542,10 @@
             "eclipse_temurin_17",
             "eclipse_temurin_17_linux_amd64",
             "ubuntu_24_04",
-            "ubuntu_24_04_linux_amd64"
+            "ubuntu_24_04_linux_amd64",
+            "ubuntu_24_04_linux_arm64_v8",
+            "alpine_linux",
+            "alpine_linux_linux_amd64"
           ],
           "explicitRootModuleDirectDevDeps": [],
           "useAllRepos": "NO",

ci/BUILD.bazel

@@ -17,6 +17,18 @@ pkg_tar(
     },
 )
 
+pkg_tar(
+    name = "busybox_layer_arm64",
+    srcs = ["@busybox_aarch64//file"],
+    package_dir = "/usr/local/bin",
+    remap_paths = {
+        "file/busybox": "busybox",
+    },
+    symlinks = {
+        "/usr/local/bin/nc": "busybox",
+    },
+)
+
 #
 # Eagle Server Docker Image
 #
@@ -51,13 +63,17 @@ oci_image(
     base = "@eclipse_temurin_17_linux_amd64",
     entrypoint = [
         "java",
-        "-Xmx4g",
+        "-Xmx2g",
         "-XX:+UseG1GC",
+        # JFR profiling support
+        "-XX:+UnlockDiagnosticVMOptions",
+        "-XX:+DebugNonSafepoints",  # Required for JFR to see through inlined methods
+        "-XX:FlightRecorderOptions=stackdepth=256",
         "-jar",
         "/app/eagle_server_deploy.jar",
     ],
     env = {
-        "JAVA_OPTS": "-Xmx4g -XX:+UseG1GC",
+        "JAVA_OPTS": "-Xmx2g -XX:+UseG1GC",
     },
     exposed_ports = ["40032/tcp"],
     tars = [
@@ -150,3 +166,182 @@ oci_push(
     image = ":shardok_server_image",
     repository = "registry.digitalocean.com/eagle0/shardok-server",
 )
+
+#
+# Shardok Server ARM64 Docker Image (for Hetzner on-demand compute)
+#
+# Build: bazel build //ci:shardok_server_image_arm64 --platforms=//:linux_arm64 --extra_toolchains=@llvm_toolchain_linux_arm64//:all
+# Load:  bazel run //ci:shardok_server_load_arm64
+# Push:  bazel run //ci:shardok_server_push_arm64
+#
+
+# Package the Shardok binary (ARM64 version - must be built with --platforms=//:linux_arm64)
+pkg_tar(
+    name = "shardok_binary_layer_arm64",
+    srcs = ["//src/main/cpp/net/eagle0/shardok:shardok-server"],
+    package_dir = "/app",
+)
+
+oci_image(
+    name = "shardok_server_image_arm64",
+    base = "@ubuntu_24_04_linux_arm64_v8",
+    entrypoint = ["/app/shardok-server"],
+    exposed_ports = [
+        "40042/tcp",
+        "40052/tcp",
+    ],
+    tars = [
+        # Note: busybox_layer_arm64 omitted - busybox.net has SSL issues
+        # Health checks can use the shardok-server binary itself or be added later
+        ":shardok_binary_layer_arm64",
+        ":shardok_resources_layer",
+        ":shardok_maps_layer",
+    ],
+    workdir = "/app",
+)
+
+# Load into Docker locally (ARM64): bazel run //ci:shardok_server_load_arm64
+oci_load(
+    name = "shardok_server_load_arm64",
+    image = ":shardok_server_image_arm64",
+    repo_tags = ["eagle0/shardok-server:latest-arm64"],
+)
+
+# Push to DigitalOcean Container Registry (for Hetzner deployment)
+# Uses same repository as x86 but with arm64- tag prefix
+oci_push(
+    name = "shardok_server_push_arm64",
+    image = ":shardok_server_image_arm64",
+    repository = "registry.digitalocean.com/eagle0/shardok-server",
+)
+
+#
+# Admin Server Docker Image (Go)
+#
+# Build: bazel build //ci:admin_server_image
+# Load:  bazel run //ci:admin_server_load
+# Push:  bazel run //ci:admin_server_push
+#
+
+# Package the Go admin binary (explicit Linux x86_64 target)
+pkg_tar(
+    name = "admin_binary_layer",
+    srcs = ["//src/main/go/net/eagle0/admin_server:admin_server_linux_amd64"],
+    package_dir = "/app",
+)
+
+oci_image(
+    name = "admin_server_image",
+    base = "@alpine_linux_linux_amd64",
+    entrypoint = ["/app/admin_server_linux_amd64"],
+    exposed_ports = ["8080/tcp"],
+    tars = [
+        ":busybox_layer",
+        ":admin_binary_layer",
+    ],
+    workdir = "/app",
+)
+
+# Load into Docker locally: bazel run //ci:admin_server_load
+oci_load(
+    name = "admin_server_load",
+    image = ":admin_server_image",
+    repo_tags = ["eagle0/admin-server:latest"],
+)
+
+# Push to DigitalOcean Container Registry
+oci_push(
+    name = "admin_server_push",
+    image = ":admin_server_image",
+    repository = "registry.digitalocean.com/eagle0/admin-server",
+)
+
+#
+# JFR Sidecar Docker Image (Go + JDK for jcmd)
+#
+# This sidecar runs with shared PID namespace to access the Eagle JVM.
+# Build: bazel build //ci:jfr_sidecar_image
+# Load:  bazel run //ci:jfr_sidecar_load
+# Push:  bazel run //ci:jfr_sidecar_push
+#
+
+# Package the Go JFR server binary
+pkg_tar(
+    name = "jfr_sidecar_binary_layer",
+    srcs = ["//src/main/go/net/eagle0/jfr_server:jfr_server_linux_amd64"],
+    package_dir = "/app",
+)
+
+oci_image(
+    name = "jfr_sidecar_image",
+    # Use JDK base image - we need jcmd to dump JFR recordings
+    base = "@eclipse_temurin_17_linux_amd64",
+    entrypoint = ["/app/jfr_server_linux_amd64"],
+    exposed_ports = ["8081/tcp"],
+    tars = [
+        ":jfr_sidecar_binary_layer",
+    ],
+    workdir = "/app",
+)
+
+# Load into Docker locally: bazel run //ci:jfr_sidecar_load
+oci_load(
+    name = "jfr_sidecar_load",
+    image = ":jfr_sidecar_image",
+    repo_tags = ["eagle0/jfr-sidecar:latest"],
+)
+
+# Push to DigitalOcean Container Registry
+oci_push(
+    name = "jfr_sidecar_push",
+    image = ":jfr_sidecar_image",
+    repository = "registry.digitalocean.com/eagle0/jfr-sidecar",
+)
+
+#
+# Auth Server Docker Image (Go)
+#
+# This is the external OAuth service that handles OAuth flows and JWT creation.
+# Build: bazel build //ci:auth_server_image
+# Load:  bazel run //ci:auth_server_load
+# Push:  bazel run //ci:auth_server_push
+#
+
+# Package the Go auth binary (explicit Linux x86_64 target)
+pkg_tar(
+    name = "auth_binary_layer",
+    srcs = [
+        "//src/main/go/net/eagle0/authcli:authcli_linux_amd64",
+        "//src/main/go/net/eagle0/authservice:authservice_linux_amd64",
+    ],
+    package_dir = "/app",
+)
+
+oci_image(
+    name = "auth_server_image",
+    base = "@alpine_linux_linux_amd64",
+    entrypoint = ["/app/authservice_linux_amd64"],
+    exposed_ports = [
+        "40033/tcp",  # gRPC
+        "8080/tcp",  # HTTP OAuth callback
+    ],
+    tars = [
+        ":busybox_layer",
+        ":auth_binary_layer",
+    ],
+    workdir = "/app",
+)
+
+# Load into Docker locally: bazel run //ci:auth_server_load
+oci_load(
+    name = "auth_server_load",
+    image = ":auth_server_image",
+    repo_tags = ["eagle0/auth-server:latest"],
+)
+
+# Push to DigitalOcean Container Registry
+oci_push(
+    name = "auth_server_push",
+    image = ":auth_server_image",
+    repository = "registry.digitalocean.com/eagle0/auth-server",
+)

docker-compose.prod.yml

@@ -1,7 +1,7 @@
 # Docker Compose for production deployment
 #
 # Local testing:
-#   Build images: bazel run //ci:eagle_server_load && bazel run //ci:shardok_server_load
+#   Build images: bazel run //ci:eagle_server_load && bazel run //ci:shardok_server_load && bazel run //ci:auth_server_load
 #   Run: docker compose -f docker-compose.prod.yml up
 #
 # Production deployment:
@@ -15,15 +15,36 @@ services:
       - "--gpt-model-name"
       - "${GPT_MODEL_NAME:-gpt-5.1}"
       - "--shardok-interface-remote-address"
-      - "shardok:40042"
+      - "${SHARDOK_ADDRESS:-shardok:40042}"
+      - "--auth-service-url"
+      - "auth:40033"
     ports:
       - "40032:40032"
     environment:
       OPENAI_API_KEY: "${OPENAI_API_KEY:-}"
+      EAGLE_ENABLE_S3: "${EAGLE_ENABLE_S3:-false}"
+      DO_SPACES_ENDPOINT: "${DO_SPACES_ENDPOINT:-https://sfo3.digitaloceanspaces.com}"
+      DO_SPACES_ACCESS_KEY: "${DO_SPACES_ACCESS_KEY:-}"
+      DO_SPACES_SECRET_KEY: "${DO_SPACES_SECRET_KEY:-}"
+      JWT_PRIVATE_KEY: "${JWT_PRIVATE_KEY:-}"
+      DISCORD_CLIENT_ID: "${DISCORD_CLIENT_ID:-}"
+      DISCORD_CLIENT_SECRET: "${DISCORD_CLIENT_SECRET:-}"
+      # Auth token for remote Shardok on Hetzner (only used when shardok address contains .eagle0.net)
+      SHARDOK_AUTH_TOKEN: "${SHARDOK_AUTH_TOKEN:-}"
+      # Use persistent volume for save data (users, games, etc.)
+      EAGLE_SAVE_DIR: "/app/saves"
+      EAGLE_ARCHIVE_DIR: "/app/archived"
+      SENTRY_DSN: "${SENTRY_DSN:-}"
+      SENTRY_ENVIRONMENT: "production"
     volumes:
-      - ./saves:/app/saves
+      - ./saves:/app/saves           # Game saves and user database
+      - ./archived:/app/archived     # Archived completed games
+      - ./jfr:/app/jfr  # JFR recordings - dump with: docker exec eagle-server jcmd 1 JFR.dump filename=/app/jfr/profile.jfr
+      - jvm-tmp:/tmp  # Shared with jfr-sidecar for JVM attach socket files
+      - jwt-keys:/etc/eagle0/keys  # Shared JWT keys with auth service
     depends_on:
       - shardok
+      - auth
     restart: unless-stopped
     logging:
       driver: "json-file"
@@ -37,9 +58,51 @@ services:
       retries: 3
       start_period: 30s
 
+  auth:
+    image: ${AUTH_IMAGE:-registry.digitalocean.com/eagle0/auth-server:latest}
+    container_name: auth-server
+    environment:
+      # gRPC port for Auth service
+      AUTH_GRPC_PORT: "40033"
+      # HTTP port for OAuth callbacks
+      AUTH_HTTP_PORT: "8080"
+      # User data persistence directory
+      AUTH_DATA_DIR: "/app/data"
+      # Legacy path for migrating users from Eagle (Phase 1 migration)
+      AUTH_LEGACY_DATA_DIR: "/app/saves/auth"
+      # OAuth provider credentials
+      DISCORD_CLIENT_ID: "${DISCORD_CLIENT_ID:-}"
+      DISCORD_CLIENT_SECRET: "${DISCORD_CLIENT_SECRET:-}"
+      GOOGLE_CLIENT_ID: "${GOOGLE_CLIENT_ID:-}"
+      GOOGLE_CLIENT_SECRET: "${GOOGLE_CLIENT_SECRET:-}"
+      # Server base URL for OAuth callbacks
+      SERVER_BASE_URL: "${SERVER_BASE_URL:-https://prod.eagle0.net}"
+      # JWT keys - PEM files in volume, bootstrapped from JWK on first run
+      JWT_KEYS_PATH: "/etc/eagle0/keys"
+      JWT_PRIVATE_KEY: "${JWT_PRIVATE_KEY:-}"
+    # Note: port 40033 is exposed via nginx, not directly
+    volumes:
+      - jwt-keys:/etc/eagle0/keys  # Shared JWT keys with Eagle
+      - ./auth-data:/app/data      # User database persistence
+      - ./saves:/app/saves:ro      # Read-only access to Eagle's saves for migration
+    restart: unless-stopped
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "50m"
+        max-file: "3"
+    healthcheck:
+      test: ["CMD-SHELL", "nc -z localhost 40033 || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+
   shardok:
     image: ${SHARDOK_IMAGE:-registry.digitalocean.com/eagle0/shardok-server:latest}
     container_name: shardok-server
+    mem_limit: 1g
+    memswap_limit: 1g  # Prevent swap, OOM-kill cleanly instead
     ports:
       - "40042:40042"
       - "40052:40052"
@@ -66,6 +129,7 @@ services:
     ports:
       - "443:443"
       - "80:80"
+      - "40033:40033"  # Go Auth service gRPC (Phase 2 direct client connections)
     volumes:
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
       - ./certbot/conf:/etc/letsencrypt:ro
@@ -80,6 +144,59 @@ services:
         max-size: "50m"
         max-file: "3"
 
+  admin:
+    image: ${ADMIN_IMAGE:-registry.digitalocean.com/eagle0/admin-server:latest}
+    container_name: admin-server
+    command:
+      - "--eagle-addr"
+      - "eagle:40032"
+      - "--auth-addr"
+      - "auth:40033"
+      - "--jfr-sidecar-addr"
+      - "jfr-sidecar:8081"
+      - "--http-port"
+      - "8080"
+    ports:
+      - "8080:8080"
+    depends_on:
+      - eagle
+      - auth
+      - jfr-sidecar
+    restart: unless-stopped
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "50m"
+        max-file: "3"
+    healthcheck:
+      test: ["CMD-SHELL", "wget -q --spider http://localhost:8080/health || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+
+  jfr-sidecar:
+    image: ${JFR_SIDECAR_IMAGE:-registry.digitalocean.com/eagle0/jfr-sidecar:latest}
+    container_name: jfr-sidecar
+    # Share PID namespace with Eagle to access its JVM via jcmd
+    pid: "service:eagle"
+    volumes:
+      - jvm-tmp:/tmp  # Shared with Eagle for JVM attach socket files
+    depends_on:
+      - eagle
+    restart: unless-stopped
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "2"
+    healthcheck:
+      test: ["CMD-SHELL", "wget -q --spider http://localhost:8081/health || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+
   certbot:
     image: certbot/certbot
     container_name: certbot
@@ -87,3 +204,18 @@ services:
       - ./certbot/conf:/etc/letsencrypt
       - ./certbot/www:/var/www/certbot
     entrypoint: "/bin/sh -c 'trap exit TERM; while :; do certbot renew; sleep 12h & wait $${!}; done;'"
+
+volumes:
+  jvm-tmp:
+    # Shared /tmp for JVM attach socket files between Eagle and jfr-sidecar
+  jwt-keys:
+    # Shared JWT RSA keys between Eagle and auth service
+
+networks:
+  default:
+    driver: bridge
+    enable_ipv6: true
+    ipam:
+      config:
+        - subnet: 172.28.0.0/16
+        - subnet: fd00:dead:beef::/48

docs/ADMIN_SERVER_ENHANCEMENTS.md

@@ -0,0 +1,471 @@
+# Admin Server Enhancement Plan
+
+## Overview
+
+This document outlines enhancements to the Go admin server (`src/main/go/net/eagle0/admin_server/`) to provide a proper web UI for game administration.
+
+### Current State
+
+The admin server provides a full web UI with htmx interactivity:
+- `GET /` - Redirect to games list
+- `GET /games` - Game list page (HTML)
+- `GET /games/{id}` - Game detail with action history
+- `GET /games/{id}/history` - History rows (htmx partial, infinite scroll)
+- `GET /games/{id}/action/{index}` - Action detail (htmx partial)
+- `POST /games/{id}/rewind` - Rewind game to target action
+- `GET /settings` - Settings list with live search
+- `POST /settings/update` - Update setting value
+- `GET /health` - Health check (JSON)
+- `GET /api/games` - JSON API for programmatic access
+- `GET /api/games/{id}/history` - JSON API for history
+
+### Goals
+
+1. **Web UI**: Replace raw JSON with an interactive HTML interface
+2. **Settings Management**: View and modify the 275+ game settings at runtime
+3. **Game Rewind**: Restore a game to a previous action count
+
+---
+
+## Architecture
+
+### Technology Choice: Go Templates + htmx
+
+**Rationale:**
+- Single binary deployment (no separate frontend build)
+- htmx provides interactivity without JavaScript framework complexity
+- Familiar HTML/CSS, minimal learning curve
+- Excellent for admin tools where SEO and bundle size don't matter
+
+**Alternatives Considered:**
+- React/Vue SPA: Adds build complexity, separate deployment artifact
+- Server-side only: Less interactive, full page reloads
+
+### Directory Structure
+
+```
+src/main/go/net/eagle0/admin_server/
+├── admin_server.go         # Main entry point, HTTP routes
+├── handlers/
+│   ├── games.go            # Game list and detail handlers
+│   ├── settings.go         # Settings list and update handlers
+│   └── rewind.go           # Game rewind handlers
+├── templates/
+│   ├── layout.html         # Base layout with nav, htmx includes
+│   ├── games/
+│   │   ├── list.html       # Game list page
+│   │   ├── detail.html     # Single game view with history
+│   │   └── history.html    # Partial for history table (htmx)
+│   ├── settings/
+│   │   ├── list.html       # Settings list with search/filter
+│   │   └── edit.html       # Inline edit partial (htmx)
+│   └── rewind/
+│       └── confirm.html    # Rewind confirmation modal
+├── static/
+│   ├── style.css           # Minimal CSS (Pico CSS or similar)
+│   └── htmx.min.js         # htmx library
+└── BUILD.bazel
+```
+
+---
+
+## Feature 1: Web UI
+
+### Routes
+
+| Route | Method | Description |
+|-------|--------|-------------|
+| `/` | GET | Redirect to `/games` |
+| `/games` | GET | Game list page (HTML) |
+| `/games/{id}` | GET | Game detail page with history |
+| `/games/{id}/history` | GET | History partial (htmx, for infinite scroll) |
+| `/api/games` | GET | JSON API (existing, keep for programmatic access) |
+| `/api/games/{id}/history` | GET | JSON API (existing) |
+
+### Game List Page
+
+```
+┌─────────────────────────────────────────────────────────────┐
+│  Eagle Admin                          [Settings] [Health]   │
+├─────────────────────────────────────────────────────────────┤
+│                                                             │
+│  Running Games (3)                                          │
+│                                                             │
+│  ┌─────────────────────────────────────────────────────┐   │
+│  │ Game abc123f                          Round 45       │   │
+│  │ Players: Liu Bei (Human), Cao Cao (AI), Sun Quan    │   │
+│  │ Actions: 1,234                        [View] [Rewind]│   │
+│  └─────────────────────────────────────────────────────┘   │
+│                                                             │
+│  ┌─────────────────────────────────────────────────────┐   │
+│  │ Game def456a                          Round 12       │   │
+│  │ Players: Test Player (Human)                         │   │
+│  │ Actions: 456                          [View] [Rewind]│   │
+│  └─────────────────────────────────────────────────────┘   │
+│                                                             │
+└─────────────────────────────────────────────────────────────┘
+```
+
+### Game Detail Page
+
+Shows game info and scrollable action history:
+- **Reverse chronological order**: Most recent actions displayed first
+- Each action shows: index, type, round ID
+- **Clickable actions**: Clicking an action row expands to show JSON representation of the full action data
+- "Rewind to here" button on each action row
+- Infinite scroll loads more history via htmx (loading older actions as user scrolls down)
+
+### Implementation Notes
+
+1. **Embed static files**: Use `//go:embed` to bundle templates and static files
+2. **Template functions**: Add helpers for formatting (hex IDs, timestamps, action summaries)
+3. **CSS framework**: Use Pico CSS (~10KB) for clean defaults without classes
+
+---
+
+## Feature 2: Settings Management
+
+### New gRPC Endpoints (Eagle Server)
+
+Add to `eagle.proto`:
+
+```protobuf
+message Setting {
+  string name = 1;
+  string type = 2;           // "Int" or "Double"
+  string value = 3;          // Current value as string
+  string default_value = 4;  // Default from BUILD.bazel
+  string description = 5;    // Optional, for UI hints
+}
+
+message GetSettingsRequest {
+  string filter = 1;         // Optional name filter (substring match)
+}
+
+message GetSettingsResponse {
+  repeated Setting settings = 1;
+}
+
+message UpdateSettingRequest {
+  string name = 1;
+  string value = 2;
+}
+
+message UpdateSettingResponse {
+  Setting setting = 1;       // Updated setting
+  string error = 2;          // Empty on success
+}
+
+service Eagle {
+  // ... existing methods ...
+  rpc GetSettings(GetSettingsRequest) returns (GetSettingsResponse);
+  rpc UpdateSetting(UpdateSettingRequest) returns (UpdateSettingResponse);
+}
+```
+
+### Eagle Server Implementation
+
+Create a settings registry that:
+1. Discovers all `IntSetting` and `DoubleSetting` instances via reflection or explicit registration
+2. Provides get/set by name
+3. Validates types on update
+
+```scala
+// src/main/scala/net/eagle0/eagle/library/settings/SettingsRegistry.scala
+object SettingsRegistry {
+  private val settings: Map[String, Either[IntSetting, DoubleSetting]] = Map(
+    "ActionVigorCost" -> Left(ActionVigorCost),
+    "BaseFoodBuyPrice" -> Right(BaseFoodBuyPrice),
+    // ... register all 275 settings
+  )
+
+  def getAll(filter: Option[String]): Seq[Setting] = ...
+  def get(name: String): Option[Setting] = ...
+  def update(name: String, value: String): Either[String, Setting] = ...
+}
+```
+
+**Alternative: Code generation**
+
+Rather than manually registering 275 settings, modify `setting_rule.bzl` to generate a registry file during build.
+
+### Admin Server Routes
+
+| Route | Method | Description |
+|-------|--------|-------------|
+| `/settings` | GET | Settings list page with search |
+| `/settings/{name}` | GET | Single setting detail (htmx partial) |
+| `/settings/{name}` | PUT | Update setting value |
+| `/api/settings` | GET | JSON API |
+| `/api/settings/{name}` | PUT | JSON API |
+
+### Settings UI
+
+```
+┌─────────────────────────────────────────────────────────────┐
+│  Eagle Admin                          [Games] [Health]       │
+├─────────────────────────────────────────────────────────────┤
+│                                                             │
+│  Settings                    [Search: __________ ]          │
+│                                                             │
+│  ┌─────────────────────────────────────────────────────┐   │
+│  │ ActionVigorCost (Int)                                │   │
+│  │ Current: [15    ] Default: 15              [Save]    │   │
+│  └─────────────────────────────────────────────────────┘   │
+│                                                             │
+│  ┌─────────────────────────────────────────────────────┐   │
+│  │ BaseFoodBuyPrice (Double)                            │   │
+│  │ Current: [0.5   ] Default: 0.5             [Save]    │   │
+│  └─────────────────────────────────────────────────────┘   │
+│                                                             │
+│  ... (275 settings, virtualized/paginated) ...              │
+│                                                             │
+└─────────────────────────────────────────────────────────────┘
+```
+
+### Considerations
+
+1. **Persistence**: Settings changes are in-memory only. Document that restarts reset to defaults.
+2. **Validation**: Validate numeric ranges where applicable (e.g., percentages 0-100)
+3. **Categories**: Consider grouping settings by prefix (AI*, Combat*, Economy*, etc.)
+4. **Audit log**: Log setting changes with timestamp for debugging
+
+---
+
+## Feature 3: Game Rewind
+
+### Concept
+
+Restore a game to a previous point in its action history. This is useful for:
+- Debugging issues that occurred at a specific point
+- Testing "what if" scenarios
+- Recovering from bugs that corrupted state
+
+### New gRPC Endpoint
+
+Add to `eagle.proto`:
+
+```protobuf
+message RewindGameRequest {
+  int64 game_id = 1;
+  int32 target_action_count = 2;  // Rewind to state after this many actions
+}
+
+message RewindGameResponse {
+  bool success = 1;
+  string error = 2;
+  int32 new_action_count = 3;
+  int32 disconnected_clients = 4;  // Number of clients that were disconnected
+}
+
+service Eagle {
+  // ... existing methods ...
+  rpc RewindGame(RewindGameRequest) returns (RewindGameResponse);
+}
+```
+
+### Eagle Server Implementation
+
+The `GameHistory` already stores `ActionWithResultingState` for each action, which includes the `GameState` after that action. Rewinding means:
+
+1. **Validate**: Check that `target_action_count` is within valid range (0 to current count)
+2. **Get target state**: Retrieve `GameState` at target action count from history
+3. **Disconnect clients**: Close all human player connections (they'll need to reconnect)
+4. **Replace engine**: Create new `EngineImpl` with target state and truncated history
+5. **Reset AI state**: Clear any cached AI state that depends on current game state
+
+```scala
+// GameController.scala (pseudocode)
+def rewindTo(targetActionCount: Int): Either[String, RewindResult] = {
+  if (targetActionCount < 0 || targetActionCount > engine.history.count)
+    return Left(s"Invalid action count: $targetActionCount")
+
+  // Get state at target point
+  val targetState = engine.history.stateAt(targetActionCount)
+  val truncatedHistory = engine.history.truncateTo(targetActionCount)
+
+  // Disconnect all human clients
+  val disconnectedCount = humanClients.length
+  humanClients.foreach(_.disconnect("Game rewound by admin"))
+
+  // Create new engine at target state
+  val newEngine = EngineImpl(
+    gameId = engine.gameId,
+    currentState = targetState,
+    history = truncatedHistory,
+    // ... other fields
+  )
+
+  // Replace controller's engine
+  this.engine = newEngine
+
+  Right(RewindResult(targetActionCount, disconnectedCount))
+}
+```
+
+### GameHistory Enhancement
+
+Add method to get state at a specific action count:
+
+```scala
+trait GameHistory {
+  // ... existing methods ...
+
+  def stateAt(actionCount: Int): GameState = {
+    if (actionCount == 0) initialState
+    else all(actionCount - 1).resultingState
+  }
+
+  def truncateTo(actionCount: Int): GameHistory = {
+    GameHistoryImpl(
+      initialState = initialState,
+      actions = all.take(actionCount)
+    )
+  }
+}
+```
+
+### Admin Server Route
+
+| Route | Method | Description |
+|-------|--------|-------------|
+| `/games/{id}/rewind` | POST | Rewind game (form: `target_action_count`) |
+| `/games/{id}/rewind/confirm` | GET | Confirmation modal (htmx partial) |
+
+### Rewind UI Flow
+
+1. User views game history
+2. User clicks "Rewind to here" on an action row
+3. Confirmation modal appears via htmx:
+   ```
+   ┌─────────────────────────────────────────┐
+   │  Rewind Game abc123f?                   │
+   │                                         │
+   │  This will:                             │
+   │  • Restore to action 456 (Round 23)     │
+   │  • Discard 778 subsequent actions       │
+   │  • Disconnect 2 connected players       │
+   │                                         │
+   │  This cannot be undone.                 │
+   │                                         │
+   │            [Cancel]  [Rewind]           │
+   └─────────────────────────────────────────┘
+   ```
+4. On confirm, POST to `/games/{id}/rewind`
+5. Success: redirect to game detail showing new state
+6. Error: show error message
+
+### Safety Considerations
+
+1. **No undo**: Rewinding discards history. Consider optional backup before rewind.
+2. **Client disconnect**: All connected clients are forcibly disconnected.
+3. **AI state**: Ensure AI clients restart cleanly after rewind.
+4. **Concurrent access**: Lock game during rewind to prevent race conditions.
+5. **Authorization**: In production, require admin authentication.
+
+---
+
+## Implementation Phases
+
+### Phase 1: Web UI Foundation
+
+**Status: Complete**
+
+1. ✅ Set up Go templates with `embed`
+2. ✅ Add Pico CSS and htmx
+3. ✅ Create base layout with navigation
+4. ✅ Convert `/games` to HTML with styling
+5. ✅ Add game detail page with history table
+6. ✅ Implement htmx infinite scroll for history
+7. ✅ Reverse history order (most recent first)
+8. ✅ Clickable action rows that expand to show JSON representation
+9. ✅ Add `/games/{id}/action/{index}` endpoint for fetching action details
+
+**Deliverable**: Browsable game list and history in HTML with clickable action details
+
+### Phase 2: Settings Management
+
+**Status: Complete**
+
+1. ✅ Add `GetSettings` to `eagle.proto` (uses existing `AddSettings` for updates)
+2. ✅ Add `getAllSettings` method to auto-generated `SettingsLoader`
+3. ✅ Implement `getSettings` in `EagleServiceImpl`
+4. ✅ Create settings list page with live search
+5. ✅ Add inline editing with htmx
+6. ✅ Modified settings are highlighted
+
+**Deliverable**: View and edit settings via admin UI
+
+### Phase 3: Game Rewind
+
+**Status: Complete**
+
+1. ✅ Add `RewindGame` to `eagle.proto`
+2. ✅ Implement `stateAt` and `truncateTo` in `GameHistory`
+3. ✅ Implement rewind logic in `Engine` and `GameController`
+4. ✅ Add rewind confirmation (htmx `hx-confirm` dialog)
+5. ✅ Handle client disconnection gracefully
+6. ✅ Add rewind button to history rows
+7. ✅ Implement `rewindGame` in `GamesManager` and `EagleServiceImpl`
+8. ✅ Add admin server `/games/{id}/rewind` POST handler
+9. ✅ Add success/error feedback UI
+
+**Deliverable**: Rewind games to any previous action
+
+### Phase 4: Polish
+
+**Status: Not Started**
+
+#### High Priority
+1. **Add tests for rewind functionality**
+   - `PersistedHistory.truncateTo` (handles complex persisted vs recent logic)
+   - `InMemoryHistory.truncateTo`
+   - `EngineImpl.rewindTo`
+   - `GameController.rewindTo`
+   - `GamesManager.rewindGame`
+
+2. **Improve action history display**
+   - Human-readable action type names (e.g., "New Round" instead of "NewRoundAction")
+   - Show acting faction/province when available
+   - Action summaries from the `summary` field in `GameHistoryEntry`
+
+#### Medium Priority
+3. **Settings improvements**
+   - Group settings by category prefix (AI*, Combat*, Economy*, etc.)
+   - Show setting descriptions where available
+   - Pagination for large settings lists
+
+4. **Error handling improvements**
+   - Better error messages on failed operations
+   - Retry logic for transient gRPC failures
+
+#### Low Priority (Nice to Have)
+5. **Basic auth** - HTTP Basic Auth or OAuth for production use
+6. **Audit logging** - Log admin actions with timestamps
+7. **Documentation** - Usage guide, deployment notes
+
+#### Future Considerations
+- Game creation from admin UI
+- Player management (view connected players, force disconnect)
+- Export game history to file
+- Metrics/stats dashboard
+
+---
+
+## Security Notes
+
+The admin server is intended for local/trusted network use only. For production:
+
+1. **Do not expose to public internet** without authentication
+2. Consider adding HTTP Basic Auth or OAuth
+3. Run on internal network or behind VPN
+4. Log all admin actions for audit trail
+
+---
+
+## Open Questions
+
+1. **Settings persistence**: Should we add optional persistence to disk/database?
+2. **Game snapshots**: Should rewind create a backup first?
+3. **Multi-admin**: Need locking if multiple admins access simultaneously?
+4. **Shardok settings**: Are there Shardok (C++) settings to expose too?

docs/ASSET_AUDIT.md

@@ -0,0 +1,240 @@
+# Eagle0 Media Asset Audit
+
+This document catalogs all media assets in the Unity project for licensing review.
+
+**Total Assets:** ~12,500 files | **Size:** 1.4 GB
+
+---
+
+## Summary by Category
+
+| Category | Count | Notes |
+|----------|-------|-------|
+| Images | 10,637 | Mostly PNG icons and UI sprites |
+| Audio | 1,778 | 26 music tracks + 1,752 sound effects |
+| 3D Models | 52 | Bridge pack only |
+| Fonts | 16 | TTF files |
+
+---
+
+## 1. Purchased Asset Store Packages
+
+These are commercial Unity Asset Store purchases tied to your account:
+
+### 4000_Fantasy_Icons
+- **Location:** `Assets/4000_Fantasy_Icons/`
+- **Size:** 495 MB (5,621 PNG files)
+- **Contents:** Icons for armor, weapons, skills, resources
+- **License:** Unity Asset Store (check invoice/account)
+
+### GUI Pro Kit Fantasy RPG
+- **Location:** `Assets/GUI Pro Kit Fantasy RPG/`
+- **Size:** 117 MB (3,755 PNG files)
+- **Contents:** UI sprites, animations, prefabs
+- **Includes fonts:** Alata-Regular.ttf, JosefinSans-Bold.ttf
+- **License:** Unity Asset Store
+
+### Modern UI Pack v4.2.0
+- **Location:** `Assets/Modern UI Pack/`
+- **Size:** 40 MB (191 PNG files)
+- **Author:** Michsky (support@michsky.com)
+- **Website:** https://www.michsky.com
+- **Includes fonts:** Open Sans family (12 variants)
+- **License:** Unity Asset Store
+
+### Pixel Fonts Megapack
+- **Location:** `Assets/Pixel Fonts Megapack/`
+- **Publisher ID:** 17384
+- **Author:** @pixelmush_ on Twitter
+- **Asset Store Link:** http://u3d.as/w4v
+- **License:** Unity Asset Store
+
+### TileableBridgePack
+- **Location:** `Assets/TileableBridgePack/`
+- **Size:** 3.1 MB (52 FBX models)
+- **Contents:** Bridge construction pieces
+- **License:** Unity Asset Store
+
+### Fantasy Interface Sounds
+- **Location:** `Assets/Fantasy Interface Sounds/`
+- **Count:** 320 WAV files
+- **Contents:** UI sounds (bag, book, coins, dice, etc.)
+- **License:** Unity Asset Store (verify)
+
+### Medieval Combat Sounds
+- **Location:** `Assets/Medieval Combat Sounds/`
+- **Count:** 1,072 WAV files
+- **Contents:** Footsteps, swings, shields, weapons, magic
+- **License:** Unity Asset Store (verify)
+
+### Magic Spells Sound Effects LITE
+- **Location:** `Assets/Magic Spells Sound Effects LITE/`
+- **Count:** 254 WAV files
+- **Contents:** Spell casting, element effects
+- **Note:** "LITE" version - check if restrictions apply
+- **License:** Unity Asset Store (verify)
+
+---
+
+## 2. Creative Commons Music (Properly Licensed)
+
+**Location:** `Assets/Resources/Music/`
+**Documentation:** `Music Credits.txt` (attribution file exists)
+
+All 26 tracks have CC licenses with proper attribution:
+
+| Track | Artist | License |
+|-------|--------|---------|
+| A Robust Crew | Darren Curtis | CC BY 3.0 |
+| Asian Graveyard | Darren Curtis | CC BY 3.0 |
+| Fall From Grace | Darren Curtis | CC BY 3.0 |
+| Samurai Sake Showdown | Darren Curtis | CC BY 3.0 |
+| Deflector | Ghostrifter Official | CC BY-SA 3.0 |
+| Chase | Alexander Nakarada | CC BY 4.0 |
+| Wintersong | Alexander Nakarada | CC BY 4.0 |
+| One Bard Band | Alexander Nakarada | CC BY 4.0 |
+| Now We Ride | Alexander Nakarada | CC BY 4.0 |
+| The Northern Path | Alexander Nakarada | CC BY 4.0 |
+| Victory | MaxKoMusic | CC BY-SA 3.0 |
+| Sakuya2 | PeriTune | CC BY 3.0 |
+| Under The Sun | Keys of Moon | CC BY 4.0 |
+| One Piece of Summer | Keys of Moon | CC BY 4.0 |
+| Fluffing a Duck | Kevin MacLeod | CC BY 3.0 |
+| Space Jazz | Kevin MacLeod | CC BY 3.0 |
+| The Ice Giants | Kevin MacLeod | CC BY 4.0 |
+| Epic Cinematic Trailer ELITE | Alex-Productions | CC BY 3.0 |
+| Push | Alex-Productions | CC BY 3.0 |
+| Virus | Alex-Productions | CC BY 3.0 |
+| Duel | Makai Symphony | CC BY-SA 3.0 |
+| Dragon Castle | Makai Symphony | CC BY-SA 3.0 |
+| Durandal | Makai Symphony | CC BY-SA 3.0 |
+
+**Tracks without specific license (verify):**
+- Market Day
+- Shopping List
+- Medieval: Victory Theme
+- Tracks by Dima Koltsov (AUDIUS): No Time for Greatness, Warriors of Demacia, Forest Queen Tale, Valor, Clouds
+
+---
+
+## 3. CC0 / Public Domain Assets
+
+### SimpleFileBrowser Icons
+- **Location:** `Assets/Plugins/SimpleFileBrowser/Sprites/FileIcons/`
+- **License:** CC0 (documented in LICENSE.txt)
+- **Source:** pngrepo.com
+- **Items:** Archive, Audio, Default, Drive, Folder, Image, PDF, Text, Video icons
+
+---
+
+## 4. Potentially Problematic Assets (Review Needed)
+
+### Stock Images (Possible License Issues)
+These appear to be stock images that may have been used as placeholders:
+
+| File | Concern |
+|------|---------|
+| ~~`Assets/Eagle/79066358-stock-illustration-raster-illustration-medieval-purse-bag...jpg`~~ | **DELETED** (2025-01-04) |
+| ~~`Assets/Images/kisspng-hammer-hand-saws-tool-clip-art...jpg`~~ | **DELETED** (2025-01-04) |
+| ~~`Assets/Images/lee-ermy-cropped.jpg`~~ | **DELETED** (2025-01-04) |
+| ~~`Assets/Eagle/images.jpeg`~~ | **DELETED** (2025-01-04) |
+
+### Clip Art (Unknown License)
+| File | Concern |
+|------|---------|
+| `Assets/Shardok/commandImages/bridge.png` | Clip art style wooden bridge, unknown source - **needs replacement** |
+| `Assets/Images/startFire.png` | Icon, unknown source - **needs verification or replacement** |
+
+### Shardok Sound Effects
+- **Location:** `Assets/Shardok/soundEffects/`
+- **Count:** 56 MP3 files
+- **Contents:** Spell effects, movement, combat sounds
+- **Status:** Unknown origin - may be custom or need verification
+
+### Free Icons
+- **Location:** `Assets/free_icons/`
+- **Count:** 8 PNG weather icons
+- **Status:** Verify "free" means commercially usable
+
+### Terrain Hexes
+- **Location:** `Assets/Terrain Hexes/`
+- **Count:** 85 PNG files
+- **Status:** Unknown source - verify licensing
+
+### StrategyGameIcons
+- **Location:** `Assets/StrategyGameIcons/`
+- **Count:** 138 PNG files
+- **Status:** Unknown source - verify licensing
+
+---
+
+## 5. Fonts
+
+| Font | Location | License |
+|------|----------|---------|
+| Open Sans (12 variants) | Modern UI Pack | Apache 2.0 (Google Font) |
+| Alata-Regular | GUI Pro Kit | SIL OFL (Google Font) |
+| JosefinSans-Bold | GUI Pro Kit | SIL OFL (Google Font) |
+| LiberationSans | TextMesh Pro | SIL OFL |
+| NotoColorEmoji | Assets root | SIL OFL (Google) |
+| Stoke-Light, Stoke-Regular | Assets root | SIL OFL (Google Font) |
+
+All fonts appear to be open-source Google Fonts or Liberation fonts - should be fine.
+
+---
+
+## 6. Third-Party Code Packages
+
+NuGet packages in `Assets/Packages/` all include LICENSE.TXT files:
+- Microsoft.Extensions.* - MIT License
+- System.* - MIT License
+- Grpc.* - Apache 2.0
+
+---
+
+## Action Items
+
+### Must Verify Before Opening Public Access:
+
+1. ~~**Stock images** - The JPG files with stock image filenames need review.~~ **DONE** - Deleted lee-ermy, kisspng, stock-illustration, Yosemite Sam, and images.jpeg (2025-01-04)
+
+2. **Clip art images** - Unknown license, need replacement with properly licensed alternatives:
+   - `Assets/Shardok/commandImages/bridge.png` - wooden bridge icon
+   - `Assets/Images/startFire.png` - fire icon
+
+3. **Shardok sound effects** - 56 MP3 files of unknown origin. Either:
+   - Document their source
+   - Replace with known-licensed alternatives
+   - Confirm they were custom-created
+
+4. **Terrain Hexes** - 85 hex tiles of unknown source
+   - **TODO:** Confirm if this is a Unity Asset Store purchase (owner believes it is)
+
+5. **StrategyGameIcons** - 138 icons of unknown source
+   - **TODO:** Investigate origin - check Unity Asset Store purchase history
+
+6. **AUDIUS music tracks** - Verify Dima Koltsov tracks are licensed for commercial use
+
+7. **Discord logo** (`Eagle/Discord-Logo-Blurple.png`) - Likely fine for "Login with Discord" button per Discord brand guidelines, but verify usage complies with their terms
+
+### Already Safe:
+
+- All Asset Store purchases (license tied to your account)
+- CC-licensed music (attribution in Music Credits.txt)
+- CC0 SimpleFileBrowser icons
+- Google Fonts / Liberation fonts
+- NuGet packages
+
+---
+
+## Recommendation
+
+Before removing HTTP basic auth:
+
+1. ~~Delete or replace the 4 suspicious JPG/JPEG files in `Assets/Eagle/` and `Assets/Images/`~~ **DONE** (2025-01-04)
+2. Replace clip art images (`bridge.png`, `startFire.png`) with properly licensed alternatives (e.g., from [game-icons.net](https://game-icons.net) CC BY 3.0)
+3. Verify source of `Assets/Shardok/soundEffects/` MP3s
+4. Verify source of `Assets/Terrain Hexes/` and `Assets/StrategyGameIcons/`
+5. If any are from early development with unclear licensing, replace them
+
+The bulk of your assets (95%+) are properly licensed Asset Store purchases or CC content.

docs/DEPROTO_PLAN.md

@@ -190,24 +190,24 @@ Change APIs to vend Scala `GameState` and `ActionResultT` instead of proto versi
 | `RandomStateSequencer.scala` | Threads Scala GameState | ✅ **Complete** |
 | `VigorXPApplier.scala` | Has both proto and Scala methods | Scala method exists, delete proto method when unused |
 | `PerformForcedTurnBackAction.scala` | Fully protoless | ✅ **Complete** |
-| `ResolveBattleAction.scala` | Heavy proto usage | Blocked by proto dependencies |
+| `ResolveBattleAction.scala` | ✅ Fully protoless | Complete (PR #5048) |
 | `InMemoryHistory.scala` | Stores proto results | Pending - vend Scala types |
 | `PersistedHistory.scala` | Stores proto results | Pending - vend Scala types, convert for disk |
 | `GameController.scala` | Uses proto for client communication | Keep proto (gRPC boundary) |
 
 ### Remaining Proto Usage in Actions
 
-**Progress: 47 of 52 action files (90%) are fully protoless.**
+**Progress: 52 of 52 action files (100%) are fully protoless.** ✅
 
-The following 5 actions still have proto usage:
+All action files have been migrated to use Scala types:
 
-| Action | Proto Usages | Blocker | Effort |
-|--------|--------------|---------|--------|
-| `ResolveBattleAction` | 24 | Shardok interface, complex battle logic | High |
-| `PerformVassalCommandsPhaseAction` | 3 | `CommandChoiceHelpers` takes proto GameState | Medium |
-| `EndHandleRiotsPhaseAction` | 2 | `CommandChoiceHelpers` takes proto GameState | Medium |
-| `PerformVassalDefenseDecisionsAction` | 2 | `CommandChoiceHelpers` takes proto GameState | Medium |
-| `EndVassalCommandsPhaseAction` | 1 | `CommandChoiceHelpers` takes proto GameState | Medium |
+| Action | Status | Notes |
+|--------|--------|-------|
+| `ResolveBattleAction` | ✅ Complete | PR #5048 - uses Scala GameState and ActionResultApplier |
+| `PerformVassalCommandsPhaseAction` | ✅ Complete | Uses Scala types via CommandChoiceHelpers |
+| `EndHandleRiotsPhaseAction` | ✅ Complete | Uses Scala types via CommandChoiceHelpers |
+| `PerformVassalDefenseDecisionsAction` | ✅ Complete | Uses Scala types via CommandChoiceHelpers |
+| `EndVassalCommandsPhaseAction` | ✅ Complete | Uses Scala types via CommandChoiceHelpers |
 
 **Note:** `NewRoundAction` is now fully protoless after converting `ChronicleEventGenerator` to return Scala `ChronicleEvent` types directly.
 
@@ -223,13 +223,13 @@ The following 5 actions still have proto usage:
 
 | Component | Lines | Complexity | Blocks |
 |-----------|-------|------------|--------|
-| `CommandChoiceHelpers` to Scala | ~2000 | High | 4 vassal actions |
-| `ResolveBattleAction` refactor | ~500 | High | 1 action (complex) |
 | History API updates | ~100 | Low | - |
-| **Total Remaining** | **~2600** | | |
+| **Total Remaining** | **~100** | | |
 
 **Completed:**
-- `ChronicleEventGenerator` converted to return Scala `ChronicleEvent` types directly
+- ✅ `ChronicleEventGenerator` converted to return Scala `ChronicleEvent` types directly
+- ✅ `CommandChoiceHelpers` migrated to Scala types
+- ✅ `ResolveBattleAction` refactored to use Scala GameState and ActionResultApplier (PR #5048)
 
 ### CommandChoiceHelpers Migration Status
 
@@ -246,28 +246,18 @@ Several command selectors have already been converted to use Scala types:
 | `ImproveCommandSelector.scala` | ✅ **Protoless** | Uses Scala `GameState`, `ProvinceT`, `HeroT` |
 | `OrganizeCommandSelector.scala` | ✅ **Protoless** | Uses Scala `GameState`, `BattalionT`, `BattalionType` |
 | `RansomOfferHelpers.scala` | ✅ **Protoless** | Uses Scala `GameState`, `FactionT` |
-| `CommandChoiceHelpers.scala` | ❌ Proto | Main entry point, converts to Scala when calling converted selectors |
-| `ProvinceGoldSurplusCalculator.scala` | **Partial** | Has both Scala and proto overloads |
-| Other selectors | ❌ Proto | Various proto dependencies |
+| `CommandChoiceHelpers.scala` | ✅ **Protoless** | Uses Scala `GameState` throughout |
+| `ProvinceGoldSurplusCalculator.scala` | ✅ **Protoless** | Uses Scala types |
 
-**Pattern**: `CommandChoiceHelpers` currently uses `GameStateConverter.fromProto(gameState)` when calling already-converted selectors like `AlmsCommandSelector` and `AttackCommandChooser`. This allows incremental migration.
-
-**Next Steps**:
-1. ~~Convert `ExpandCommandSelector` to Scala types~~ ✅ Done
-2. ~~Convert `ImproveCommandSelector` to Scala types~~ ✅ Done
-3. ~~Convert `OrganizeCommandSelector` to Scala types~~ ✅ Done (PR #4812)
-4. ~~Convert `RansomOfferHelpers` to Scala types~~ ✅ Done (PR #4821)
-5. Convert remaining selectors one at a time
-6. Update `CommandChoiceHelpers` to accept Scala `GameState` once all selectors are converted
+**All CommandChoiceHelpers selectors have been migrated to Scala types.** ✅
 
 ### Progress Summary
 
 | Metric | Value |
 |--------|-------|
-| Action files fully protoless | 47 / 52 (90%) |
-| Proto usages in remaining actions | 32 total |
-| Biggest blocker | `ResolveBattleAction` (24 usages) |
-| Second biggest blocker | `CommandChoiceHelpers` (blocks 4 actions) |
+| Action files fully protoless | 52 / 52 (100%) ✅ |
+| Proto usages in remaining actions | 0 |
+| Next target | History APIs (InMemoryHistory, PersistedHistory) |
 
 ### Validation
 - [x] `ActionResultApplier` created and tested
@@ -276,8 +266,9 @@ Several command selectors have already been converted to use Scala types:
 - [x] `ProvinceViewFilter` has Scala overload for server-side use (PR #4752)
 - [x] `FactionT.reconnedProvinces` and `ChangedFactionC.updatedReconnedProvinces` use Scala `ProvinceView`
 - [x] `ProvinceViewFilter.withdrawnFromProvinceView` has Scala overload
+- [x] `CommandChoiceHelpers` uses Scala types ✅
+- [x] All action files (52/52) are fully protoless ✅
 - [ ] `ProvinceViewFilter` faction-filtered views use Scala types
-- [ ] `CommandChoiceHelpers` uses Scala types
 - [ ] History APIs vend Scala types
 - [ ] No `ActionResultProtoConverter.toProto()` calls except at persistence/gRPC boundaries
 - [ ] All tests pass

docs/HETZNER_SETUP.md

@@ -0,0 +1,159 @@
+# Hetzner Setup Guide
+
+This guide walks through setting up Hetzner Cloud infrastructure for running Shardok on-demand compute.
+
+## Prerequisites
+
+- All code PRs merged (#4990, #4996, #4998, #5001, #5009)
+- Access to DigitalOcean Container Registry (for pulling Shardok ARM64 image)
+
+---
+
+## Step 1: Create Hetzner Cloud Account
+
+1. Go to https://console.hetzner.cloud/
+2. Sign up and add payment method
+3. Create a new project (e.g., "eagle0")
+
+---
+
+## Step 2: Generate Hetzner API Token
+
+1. In Hetzner Console → Security → API Tokens
+2. Click "Generate API Token"
+3. Give it **Read & Write** permissions
+4. Copy the token (you'll only see it once)
+
+---
+
+## Step 3: Generate Shardok Auth Token
+
+Generate a 256-bit random token for Eagle-Shardok authentication:
+
+```bash
+openssl rand -hex 32
+```
+
+Save this output - it's the shared secret between Eagle and Shardok.
+
+---
+
+## Step 4: Store Secrets in GitHub Actions
+
+Add these secrets in GitHub → Settings → Secrets and variables → Actions:
+
+| Secret Name | Description |
+|-------------|-------------|
+| `HETZNER_API_TOKEN` | From Step 2 - for Hetzner API calls |
+| `SHARDOK_AUTH_TOKEN` | From Step 3 - shared secret for gRPC auth |
+
+Note: `DO_REGISTRY_TOKEN` already exists and will be used for Hetzner to pull container images.
+
+These secrets will be passed to Eagle at runtime via `docker_build.yml`, similar to how `OPENAI_API_KEY` and other secrets are handled.
+
+---
+
+## Step 5: DNS Setup (for Let's Encrypt)
+
+You need a domain pointing to the Shardok instance for TLS certificates.
+
+### Option A: Floating IP (Recommended)
+
+1. In Hetzner Console → Networking → Floating IPs
+2. Create a **Floating IPv6** in **Hillsboro, Oregon (hil)** region
+   - IPv6 costs €1/month vs €3/month for IPv4
+   - Hillsboro has better latency to DigitalOcean SFO than Ashburn
+   - Server-to-server communication works fine with IPv6-only
+3. Point `shardok.prod.eagle0.net` to this IP via AAAA record
+4. The ShardokInstanceManager will attach this IP to instances on spin-up
+
+**Location choice**: Hillsboro, OR (`hil`) is recommended for US West Coast. Same pricing as Ashburn (`ash`).
+
+### Option B: Dynamic DNS
+
+Update DNS programmatically when instance spins up. More complex but avoids floating IP cost.
+
+---
+
+## Step 6: Upload SSH Key to Hetzner
+
+For debugging access to instances:
+
+1. In Hetzner Console → Security → SSH Keys
+2. Click "Add SSH Key"
+3. Paste your public key (e.g., `~/.ssh/id_rsa.pub`)
+4. Give it a name (e.g., "eagle-deploy")
+
+---
+
+## Step 7: Wire Security Config into Eagle
+
+Update Eagle's startup code to use the security config when connecting to remote Shardok:
+
+```scala
+val securityConfig = ShardokSecurityConfig(
+  useTls = true,
+  authToken = Some(sys.env("SHARDOK_AUTH_TOKEN"))
+)
+
+val channel = ServerSetupHelpers.newChannel(
+  "shardok.prod.eagle0.net",
+  50051,
+  securityConfig
+)
+```
+
+---
+
+## Testing
+
+### Manual Instance Spin-up
+
+Test the Hetzner integration by triggering instance creation:
+
+```scala
+val manager = new ShardokInstanceManager(
+  hetznerApiToken = sys.env("HETZNER_API_TOKEN"),
+  // ... other config
+)
+
+manager.ensureInstanceRunning()
+```
+
+### Verify TLS and Auth
+
+1. Instance spins up and gets Let's Encrypt certificate
+2. Eagle connects via TLS
+3. Auth token is validated on each request
+
+---
+
+## Cost Estimate
+
+| Component | Cost |
+|-----------|------|
+| CAX41 (16 ARM cores) | ~$0.04/hour |
+| Floating IP | ~$4/month |
+| Typical usage (20 hrs/week) | ~$3.50/month compute |
+
+**Total: ~$7-8/month** for typical usage.
+
+---
+
+## Troubleshooting
+
+### Instance won't start
+- Check Hetzner API token has Read & Write permissions
+- Verify you're using the correct region (`hil` for Hillsboro OR, or `ash` for Ashburn VA)
+
+### TLS certificate fails
+- Ensure DNS points to the instance IP before certbot runs
+- Check port 80 is open for Let's Encrypt HTTP-01 challenge
+
+### Auth failures
+- Verify `SHARDOK_AUTH_TOKEN` matches on both Eagle and Shardok
+- Check the token file is readable by Shardok container
+
+### Can't pull container image
+- Ensure `DO_REGISTRY_TOKEN` is passed to cloud-init
+- Verify the ARM64 image exists: `registry.digitalocean.com/eagle0/shardok-server:arm64-latest`

docs/OAUTH_GO_SERVICE_PLAN.md

@@ -0,0 +1,383 @@
+# Plan: Extract OAuth to Go Service
+
+## Goal
+Move OAuth authentication handling from the Eagle Scala server into a separate Go service. This simplifies Eagle (gRPC-only, no HTTP), reduces complexity, and sets up for potentially moving JWT validation outside Eagle too.
+
+## Architecture Decision: Sidecar Service (Not DO Functions)
+
+**Recommendation: Go sidecar service on the same droplet, in a separate container**
+
+**Why not DO Functions:**
+- OAuth requires **stateful sessions** (pendingOAuth/completedOAuth maps with 10-min TTL)
+- Client polling pattern (every 2 seconds) would incur high function invocation costs
+- Cold start latency problematic for auth flows
+- State would require external store (Redis), adding complexity
+
+**Why sidecar (separate container):**
+- Simple process on same droplet, minimal network latency
+- In-memory state management (like current Scala impl)
+- Easy to monitor/debug alongside Eagle
+- Can share filesystem for key files (RSA keys) via volume mounts
+- **Independent deployment**: Deploying Eagle doesn't restart auth service (and vice versa)
+- **Independent scaling**: Could move to separate droplet later if needed
+
+## Current Architecture (What Exists)
+
+```
+Unity Client
+    ├── GetOAuthUrl RPC → Eagle AuthServiceImpl → OAuthService.getAuthUrl()
+    ├── [User browser auth] → HTTP callback → OAuthHttpHandler → OAuthService.handleCallback()
+    ├── CheckOAuthStatus RPC (polling) → AuthServiceImpl → OAuthService.checkStatus()
+    └── All other RPCs include JWT → AuthorizationInterceptor validates
+```
+
+**Key files:**
+- `src/main/scala/net/eagle0/eagle/auth/OAuthService.scala` - OAuth flow, state management
+- `src/main/scala/net/eagle0/eagle/auth/JwtService.scala` - JWT creation/validation
+- `src/main/scala/net/eagle0/eagle/auth/UserService.scala` - User CRUD (persisted)
+- `src/main/scala/net/eagle0/eagle/service/AuthServiceImpl.scala` - gRPC Auth service
+- `src/main/scala/net/eagle0/eagle/service/OAuthHttpHandler.scala` - HTTP callback handler
+
+## Target Architecture (Phase 1)
+
+```
+Unity Client
+    ├── GetOAuthUrl RPC ──────────────┐
+    ├── CheckOAuthStatus RPC (polling)├──→ Eagle (port 40032) ──proxy──→ Go Auth Container (port 40033)
+    ├── RefreshToken RPC ─────────────┘                                        │
+    ├── [User browser] → HTTP callback ────────────────────────────────────────┤
+    │                                                                          ↓
+    │                                            (Internal gRPC: GetOrCreateUser, GetUser)
+    │                                                                          ↓
+    └── Game RPCs with JWT ─────────────────────→ Eagle (port 40032) ← JWT validation stays here
+
+[Same Droplet]
+┌─────────────────────────────────────────────────────────────────────────────┐
+│                                                                             │
+│  ┌──────────────────────┐          ┌────────────────────────────────────┐  │
+│  │  Go Auth Container   │◄────────►│       Eagle Container              │  │
+│  │  (eagle0-auth)       │ internal │       (eagle0-server)              │  │
+│  │                      │  gRPC    │                                    │  │
+│  │  - OAuth flow        │          │  - JWT validation                  │  │
+│  │  - JWT creation      │          │  - UserService (persistence)       │  │
+│  │  - HTTP callback     │          │  - Game logic                      │  │
+│  └──────────────────────┘          └────────────────────────────────────┘  │
+│           │                                        │                        │
+│           └────────────────┬───────────────────────┘                        │
+│                            ▼                                                │
+│                    /etc/eagle0/keys/ (shared volume)                        │
+│                    - private.pem                                            │
+│                    - public.pem                                             │
+└─────────────────────────────────────────────────────────────────────────────┘
+```
+
+## Component Responsibilities
+
+### Go Auth Service (NEW - separate container)
+- **OAuth flow**: getAuthUrl, handleCallback (HTTP), checkStatus
+- **State management**: pendingOAuth, completedOAuth maps with TTL
+- **JWT creation**: Issue access/refresh tokens (shares RSA private key with Eagle)
+- **Token refresh**: Validate refresh token, issue new access token
+- Calls Eagle's internal UserService gRPC to find/create users
+
+### Eagle Server (SIMPLIFIED)
+- **JWT validation**: AuthorizationInterceptor stays (validates tokens on game RPCs)
+- **UserService**: Stays in Eagle (user persistence, display name logic)
+- **New internal gRPC**: Expose GetOrCreateUser, GetUser for Go service to call
+- **Proxy (Phase 1)**: Forward OAuth RPCs to Go service
+- **Remove (Phase 2)**: OAuthService, OAuthHttpHandler, HTTP server setup
+
+### Unity Client (NO CHANGES in Phase 1)
+- Eagle proxies Auth RPCs to Go service
+- Client still connects to Eagle on port 40032
+
+## Implementation Phases
+
+### Phase 1: Go Auth Service with Eagle Proxy (Zero Client Changes)
+
+1. **Create Go service structure**
+   ```
+   src/main/go/net/eagle0/authservice/
+   ├── main.go           # Entry point, starts gRPC + HTTP servers
+   ├── oauth.go          # OAuth state management, provider configs
+   ├── jwt.go            # JWT creation (copy logic from Scala)
+   ├── handlers.go       # gRPC handlers for Auth service
+   ├── http_callback.go  # HTTP handler for OAuth callback
+   └── BUILD.bazel
+   ```
+
+2. **Internal gRPC proto for Eagle UserService**
+   ```protobuf
+   // src/main/protobuf/net/eagle0/eagle/internal/auth_internal.proto
+
+   service InternalUserService {
+     rpc GetOrCreateUser(GetOrCreateUserRequest) returns (GetOrCreateUserResponse);
+     rpc GetUser(GetUserRequest) returns (GetUserResponse);
+   }
+
+   message GetOrCreateUserRequest {
+     string provider = 1;        // "discord" or "google"
+     string provider_user_id = 2;
+     string email = 3;
+     string avatar_url = 4;
+   }
+
+   message GetOrCreateUserResponse {
+     string user_id = 1;
+     string display_name = 2;
+     string avatar_url = 3;
+     bool is_admin = 4;
+     bool is_new_user = 5;
+   }
+   ```
+
+3. **Eagle: Expose InternalUserService**
+   - New `InternalUserServiceImpl.scala` wrapping UserService
+   - Bind to same port, different service name (internal only)
+
+4. **Eagle: Proxy Auth RPCs to Go**
+   - AuthServiceImpl delegates GetOAuthUrl, CheckOAuthStatus, RefreshToken to Go service
+   - SetDisplayName, GetCurrentUser, Logout stay in Eagle
+
+5. **Share RSA keys via volume mount**
+   - Go service reads same key files as Eagle
+   - Both can create valid JWTs
+   - Eagle continues to validate JWTs
+
+6. **Docker/Container setup**
+   - New Dockerfile for Go auth service
+   - docker-compose or Kubernetes config for both containers
+   - Shared volume for /etc/eagle0/keys/
+   - Internal network for container-to-container gRPC
+
+### Phase 2: Client Direct to Go Service (Future)
+
+1. **Update Unity client**
+   - Connect to Go Auth service directly for OAuth RPCs
+   - Keep connecting to Eagle for game RPCs
+
+2. **Remove Eagle proxy code**
+   - Delete AuthServiceImpl OAuth delegation
+   - AuthServiceImpl only handles SetDisplayName, GetCurrentUser, Logout
+
+### Phase 3: Move JWT Validation to Go (Optional Future)
+
+1. **Go service validates JWTs**
+   - Add ValidateToken RPC or use shared middleware pattern
+
+2. **Eagle calls Go for validation**
+   - AuthorizationInterceptor calls Go to validate tokens
+   - OR: Use stateless validation (both share public key)
+
+## Files to Create
+
+### Go Service
+- `src/main/go/net/eagle0/authservice/main.go`
+- `src/main/go/net/eagle0/authservice/oauth.go`
+- `src/main/go/net/eagle0/authservice/jwt.go`
+- `src/main/go/net/eagle0/authservice/handlers.go`
+- `src/main/go/net/eagle0/authservice/http_callback.go`
+- `src/main/go/net/eagle0/authservice/BUILD.bazel`
+
+### Protos
+- `src/main/protobuf/net/eagle0/eagle/internal/auth_internal.proto`
+
+### Scala
+- `src/main/scala/net/eagle0/eagle/service/InternalUserServiceImpl.scala`
+
+### Docker/Deployment
+- `ci/auth_service.Dockerfile`
+- Update `docker-compose.yml` (or equivalent)
+
+## Files to Modify
+
+### Scala (Phase 1)
+- `src/main/scala/net/eagle0/eagle/service/AuthServiceImpl.scala` - Proxy OAuth RPCs to Go
+- `src/main/scala/net/eagle0/eagle/Main.scala` - Start internal user service, add auth-service-url flag
+
+### Scala (Phase 2 - Removal)
+- Delete `src/main/scala/net/eagle0/eagle/auth/OAuthService.scala`
+- Delete `src/main/scala/net/eagle0/eagle/service/OAuthHttpHandler.scala`
+- Simplify `src/main/scala/net/eagle0/eagle/Main.scala` - Remove HTTP server
+
+### Unity (Phase 2)
+- `Assets/Auth/OAuthManager.cs` - Point OAuth RPCs to Go service port
+- `Assets/EagleConnection.cs` - Add second channel for auth service
+
+## Key Implementation Details
+
+### State Management in Go
+```go
+type OAuthState struct {
+    Provider  string
+    CreatedAt time.Time
+}
+
+type OAuthResult struct {
+    Success  bool
+    UserInfo *ProviderUserInfo
+    Provider string
+    Error    string
+}
+
+var pendingOAuth   = sync.Map{} // state -> OAuthState
+var completedOAuth = sync.Map{} // state -> OAuthResult
+
+const stateExpiration = 10 * time.Minute
+
+// Background goroutine cleans expired states every minute
+func cleanupExpiredStates() {
+    ticker := time.NewTicker(1 * time.Minute)
+    for range ticker.C {
+        cutoff := time.Now().Add(-stateExpiration)
+        pendingOAuth.Range(func(key, value any) bool {
+            if value.(OAuthState).CreatedAt.Before(cutoff) {
+                pendingOAuth.Delete(key)
+            }
+            return true
+        })
+        // Similar for completedOAuth
+    }
+}
+```
+
+### JWT Creation in Go
+```go
+import "github.com/golang-jwt/jwt/v5"
+
+type EagleClaims struct {
+    jwt.RegisteredClaims
+    UserId      string `json:"userId"`
+    DisplayName string `json:"displayName"`
+    IsAdmin     bool   `json:"isAdmin"`
+}
+
+func CreateAccessToken(userId, displayName string, isAdmin bool) (string, error) {
+    claims := EagleClaims{
+        RegisteredClaims: jwt.RegisteredClaims{
+            ExpiresAt: jwt.NewNumericDate(time.Now().Add(7 * 24 * time.Hour)),
+            IssuedAt:  jwt.NewNumericDate(time.Now()),
+        },
+        UserId:      userId,
+        DisplayName: displayName,
+        IsAdmin:     isAdmin,
+    }
+
+    token := jwt.NewWithClaims(jwt.SigningMethodRS256, claims)
+    return token.SignedString(privateKey)
+}
+```
+
+### OAuth Provider Configs
+- Read from environment variables (same as current OAuthConfig.scala)
+- DISCORD_CLIENT_ID, DISCORD_CLIENT_SECRET
+- GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET
+- OAUTH_CALLBACK_URL (e.g., https://eagle0.shardok.games/oauth/callback)
+
+### Container Networking
+```yaml
+# docker-compose.yml example
+services:
+  eagle0-auth:
+    build:
+      context: .
+      dockerfile: ci/auth_service.Dockerfile
+    ports:
+      - "40033:40033"  # gRPC
+      - "8080:8080"    # HTTP callback
+    volumes:
+      - ./keys:/etc/eagle0/keys:ro
+    environment:
+      - DISCORD_CLIENT_ID
+      - DISCORD_CLIENT_SECRET
+      - GOOGLE_CLIENT_ID
+      - GOOGLE_CLIENT_SECRET
+      - EAGLE_INTERNAL_URL=eagle0-server:40034
+
+  eagle0-server:
+    build:
+      context: .
+      dockerfile: ci/eagle_run.Dockerfile
+    ports:
+      - "40032:40032"  # Public gRPC
+    expose:
+      - "40034"        # Internal gRPC (container-to-container only)
+    volumes:
+      - ./keys:/etc/eagle0/keys:ro
+      - ./data:/var/lib/eagle0
+    environment:
+      - AUTH_SERVICE_URL=eagle0-auth:40033
+```
+
+## Deployment
+
+### Development
+```bash
+# Terminal 1: Go Auth Service
+bazel run //src/main/go/net/eagle0/authservice:authservice -- \
+  --grpc-port=40033 \
+  --http-port=8080 \
+  --eagle-internal-url=localhost:40034
+
+# Terminal 2: Eagle Server
+bazel run //src/main/scala/net/eagle0/eagle:eagle_server -- \
+  --eagle-grpc-port=40032 \
+  --internal-grpc-port=40034 \
+  --auth-service-url=localhost:40033
+```
+
+### Production
+- Both containers on same droplet via docker-compose
+- Shared volume for RSA keys at /etc/eagle0/keys/
+- Internal Docker network for container-to-container communication
+- External access: 40032 (Eagle gRPC), 8080 (OAuth HTTP callback)
+
+## Testing Strategy
+
+1. **Unit tests for Go service**
+   - OAuth state management (expiration, cleanup)
+   - JWT creation matches Scala output (test with same keys)
+   - HTTP callback parsing
+
+2. **Integration tests**
+   - Go service ↔ Eagle internal gRPC
+   - Full OAuth flow with mock provider
+
+3. **Existing tests continue to pass**
+   - All Scala tests (JWT validation, user service)
+
+4. **End-to-end test**
+   - Spin up both containers
+   - Run OAuth flow through proxy
+
+## Risks and Mitigations
+
+| Risk | Mitigation |
+|------|------------|
+| Key file permissions | Shared volume with read-only mount |
+| State loss on Go restart | Document this (same as current Scala behavior); consider Redis later |
+| Clock skew affecting JWT | Both on same machine |
+| OAuth callback race | HTTP callback completes before gRPC poll |
+| Container networking | Use docker-compose for reliable internal DNS |
+| Proxy adds latency | Minimal (same machine), remove in Phase 2 |
+
+## Estimated Scope
+
+- **Phase 1**: ~500-700 lines Go, ~100 lines Scala changes, ~50 lines Docker config
+- **Phase 2**: ~50 lines Unity, deletion of ~300 lines Scala
+- **Phase 3**: Optional, separate decision
+
+## Alternative Considered: Move Everything to Go
+
+Could move UserService to Go as well, but:
+- UserService is tightly integrated with game persistence
+- Would require duplicating persistence layer
+- Not worth the complexity for now
+
+Keep UserService in Eagle, expose via internal gRPC.
+
+## Open Questions
+
+1. **HTTP callback routing**: Does the OAuth callback URL need to change, or can we route traffic from the existing URL to the new Go service?
+2. **Health checks**: Should we add health check endpoints for container orchestration?
+3. **Logging**: Should Go service log to same format/destination as Eagle?

docs/OAUTH_NEXT_STEPS.md

@@ -0,0 +1,350 @@
+# OAuth Implementation: Next Steps and Design
+
+## Executive Summary
+
+The OAuth implementation is functional but has several gaps that need addressing before it's production-ready. This document outlines the known issues, proposes a comprehensive user identity model, and provides a prioritized implementation plan.
+
+## Current State (Updated January 2026)
+
+### What Works ✅
+- Discord OAuth flow (server-mediated polling)
+- Google OAuth flow
+- JWT token generation and validation
+- User creation and display name setting
+- Auto-login with stored tokens
+- Basic game creation and play with OAuth users
+- Headshot fetching via public CDN (no auth required)
+- Logout button in lobby (preserves tokens for quick reconnect)
+- Environment (prod/qa) and user display in lobby
+- Game identity with userName = displayName (PR #4964 merged)
+
+### Known Issues
+
+#### 1. Game Identity Model Fragility (Deferred)
+**Status**: Accepted for now. PR #4964 merged with `userName = displayName`.
+
+**Current behavior**:
+- Games store `userNameToFactionId: Map[String, Int]`
+- For JWT users, this maps displayName → factionId
+- displayName is technically mutable (users could change it)
+- No migration path when displayName changes
+
+**Why this is acceptable**:
+1. We don't currently have a "change display name" feature
+2. The alternative (using userId) requires more extensive changes
+3. Can migrate to userId-based identity later if needed
+
+#### 2. In-Game Headshot Fetching ✅ FIXED
+**Solution**: Made the `eagle0-headshots` S3 bucket public and enabled CDN.
+- Client now fetches directly from `https://eagle0-headshots.sfo3.cdn.digitaloceanspaces.com/`
+- No authentication required
+- Works for both OAuth and Basic Auth users
+- Simpler architecture, no dependency on home Mac server
+
+#### 3. Logout from Lobby ✅ FIXED
+**Solution**: Added logout button to lobby UI (PR #4967).
+- Button disconnects from server and returns to connection screen
+- Intentionally does NOT clear OAuth tokens
+- Allows quick reconnect with same account without full OAuth flow
+
+#### 4. Display Name Uniqueness Not Enforced (Medium) - OPEN
+**Problem**: User was able to set displayName "nolen" when that name was already taken.
+
+**Root cause**: Unknown - needs investigation. Either:
+- The uniqueness check is buggy
+- The displayNameIndex wasn't populated correctly during user creation
+- Race condition during concurrent registrations
+
+#### 5. Admin Server Crashes ✅ FIXED
+**Solution**: PR #4964 sets `userName = displayName` for JWT users.
+
+#### 6. Intermittent "Expired" Errors During Login (Medium) - INVESTIGATING
+**Problem**: Users occasionally get "OAuth session expired" errors even when server logs show the callback succeeded.
+
+**Status**: Added diagnostic logging in PR #4974 to trace:
+- State creation in `getAuthUrl`
+- State lookup in `handleCallback`
+- Result lookup in `checkStatus`
+
+**Possible causes**:
+- State mismatch between client and server
+- Race condition in polling
+- Cleanup running at wrong time
+
+#### 7. Token Expiry Field Bug ✅ FIXED
+**Problem**: `CheckOAuthStatusResponse.expiresAt` was returning refresh token expiry (30 days) instead of access token expiry (7 days).
+
+**Solution**: Fixed in PR #4974 to calculate correct access token expiry.
+
+---
+
+## Proposed User Identity Model
+
+### Design Principles
+
+1. **Stable Internal Identity**: `userId` (UUID) is the only key used for persistent associations
+2. **Display Name is Cosmetic**: Can change without breaking game associations
+3. **Backwards Compatibility**: Basic Auth continues to work for local development
+4. **Multi-Provider Support**: Users can link Discord, Google, and future providers
+5. **Avatar Flexibility**: Use OAuth avatar by default, support custom uploads later
+
+### Data Model
+
+```
+User {
+  userId: String (UUID)           // Primary key, immutable, used for all internal references
+  displayName: String             // Unique, user-visible, mutable with migration
+  displayNameLower: String        // Case-insensitive uniqueness
+  email: String                   // Primary email for account recovery/linking
+  avatarUrl: String               // Current avatar URL
+  avatarData: bytes               // Cached avatar for offline/fast access (future)
+  oauthIdentities: [OAuthIdentity]
+  createdAt: Timestamp
+  lastLoginAt: Timestamp
+  isAdmin: Boolean
+}
+
+OAuthIdentity {
+  provider: String                // "discord", "google", etc.
+  providerUserId: String          // Provider's user ID
+  providerEmail: String           // Email from this provider
+  avatarUrl: String               // Avatar from this provider
+  linkedAt: Timestamp
+}
+```
+
+### Identity Resolution Strategy
+
+The key question: **What should `AuthorizationUtils.userName` return?**
+
+#### Option A: userName = displayName (Current PR #4964)
+- **Pro**: Human-readable in logs, game saves, debugging
+- **Con**: Breaks if displayName changes
+- **Migration**: None needed now, complex later
+
+#### Option B: userName = userId (Recommended)
+- **Pro**: Stable identity, displayName changes are safe
+- **Con**: UUIDs in logs are ugly, need display name lookup for UI
+- **Migration**: Cleaner long-term, but breaking change for any existing OAuth games
+
+#### Option C: Hybrid with Migration Support
+- **userName** = userId for new games
+- **Legacy lookup** for old games by displayName
+- **Display layer** resolves userId → displayName for UI
+
+**Recommendation**: Option B with a display name resolution layer. The ugliness in logs is acceptable for the stability it provides. Implement a `UserService.resolveDisplayName(identifier: String): String` that returns displayName for UUIDs or the identifier itself for legacy usernames.
+
+### Account Linking Strategy
+
+#### Automatic Linking (Future)
+When a user logs in with a new OAuth provider:
+1. Check if the provider email matches an existing user's email
+2. If match found, prompt: "An account exists with this email. Link accounts?"
+3. If confirmed, add new OAuthIdentity to existing user
+4. If declined, create separate account (different email required)
+
+#### Manual Linking (MVP)
+1. User logs in with primary account
+2. User goes to Settings → Linked Accounts
+3. User clicks "Link Discord" or "Link Google"
+4. OAuth flow adds new identity to current user
+
+### Avatar/Headshot Strategy
+
+#### Phase 1: OAuth Avatars (MVP)
+- Store `avatarUrl` from OAuth provider during login
+- Server proxies avatar requests to avoid CORS issues
+- Cache avatars locally with TTL
+
+#### Phase 2: Avatar Caching
+- Download avatar to local storage on login
+- Serve from local storage for reliability
+- Refresh periodically or on login
+
+#### Phase 3: Custom Avatars (Future)
+- Allow users to upload custom avatar
+- Store in S3/DO Spaces
+- Custom avatar overrides OAuth avatar
+
+---
+
+## Implementation Plan
+
+### Phase 1: Stabilization ✅ COMPLETE
+
+#### 1.1 Fix Display Name Uniqueness Bug - OPEN
+- [ ] Investigate why "nolen" was allowed when it existed
+- [ ] Add logging to `setDisplayName` to trace the issue
+- [ ] Ensure `displayNameIndex` is correctly maintained
+- [ ] Add unit tests for uniqueness enforcement
+
+#### 1.2 Add Logout Button to Lobby ✅ DONE
+- [x] Add "Logout" button to lobby UI
+- [x] Disconnect from server
+- [x] Navigate to connection screen
+- [x] Preserve OAuth tokens for quick reconnect (intentional change from original plan)
+
+#### 1.3 Merge PR #4964 (userName = displayName) ✅ DONE
+- [x] Merged - games work with OAuth users
+- [x] Documented limitation (games break if displayName changes)
+
+#### 1.4 Fix Headshot Fetching ✅ DONE
+- [x] Made eagle0-headshots bucket public
+- [x] Client fetches directly from CDN
+- [x] No authentication required
+
+#### 1.5 Add Lobby Status Display ✅ DONE
+- [x] Show environment (prod/qa) in lobby
+- [x] Show current user in lobby (OAuth displayName or classic username)
+
+### Phase 2: Remaining Work (Priority Order)
+
+#### 2.1 Diagnose Intermittent "Expired" Errors - IN PROGRESS
+- [x] Add diagnostic logging (PR #4974)
+- [ ] Deploy and reproduce the issue
+- [ ] Analyze logs to identify root cause
+- [ ] Implement fix based on findings
+
+#### 2.2 Fix Display Name Uniqueness
+- [ ] Investigate UserService.setDisplayName logic
+- [ ] Check displayNameIndex population
+- [ ] Add logging to trace the issue
+- [ ] Fix the bug and add tests
+
+#### 2.3 Wire Up Lobby UI in Unity
+- [ ] Connect `lobbyEnvironmentText` to TextMeshProUGUI in scene
+- [ ] Connect `lobbyUserText` to TextMeshProUGUI in scene
+
+#### 2.4 Implement Token Refresh During Gameplay
+- [ ] Implement `RefreshToken` RPC on server (currently throws UNIMPLEMENTED)
+- [ ] Store refresh tokens server-side for validation
+- [ ] Add proactive refresh in client before token expires
+- [ ] Handle refresh during reconnection attempts
+
+### Phase 3: Nice-to-Haves (Future)
+
+#### 3.1 Proactive Token Refresh
+- [ ] Monitor token expiry in client
+- [ ] Refresh automatically when < 5 minutes remaining
+- [ ] Update TokenStorage with new access token
+
+#### 3.2 Better Error Messages
+- [ ] Distinguish between network errors and auth errors
+- [ ] Show user-friendly messages for OAuth failures
+- [ ] Add retry suggestions
+
+#### 3.3 Session Persistence Across Server Restarts
+- [ ] Move pendingOAuth from in-memory TrieMap to Redis/database
+- [ ] Move completedOAuth to Redis with TTL
+- [ ] Server can restart without breaking in-flight OAuth flows
+
+#### 3.4 Migrate to userId-based Game Identity (Deferred)
+- [ ] Change `AuthorizationUtils.userName` to return `userId` for JWT users
+- [ ] Add `UserService.resolveDisplayName(id: String): String` for UI display
+- [ ] Update game UI to resolve userIds to displayNames
+- [ ] Existing Basic Auth games continue to work (userName is literal)
+
+#### 3.5 Display Name Change Support (Requires 3.4)
+- [ ] Add `ChangeDisplayName` RPC
+- [ ] Validate new name is unique
+- [ ] Update user record
+- [ ] No game migration needed (games use userId)
+
+### Phase 3: Multi-Provider Support (Future)
+
+#### 3.1 Account Linking UI
+- [ ] Add Settings page with "Linked Accounts" section
+- [ ] Show currently linked providers
+- [ ] "Link Another Account" button triggers OAuth flow
+- [ ] `LinkOAuthProvider` RPC adds identity to current user
+
+#### 3.2 Login Provider Selection
+- [ ] If user has multiple providers, any can be used to login
+- [ ] All resolve to same userId
+- [ ] Session shows which provider was used
+
+#### 3.3 Account Merging (Complex)
+- [ ] Handle case where user created separate accounts
+- [ ] Merge game history, stats, etc.
+- [ ] Delete duplicate user record
+- [ ] This is complex - may defer or not implement
+
+### Phase 4: Enhanced Avatars (Future)
+
+#### 4.1 Avatar Caching
+- [ ] Download avatars to S3/DO Spaces on login
+- [ ] Serve from our CDN
+- [ ] Refresh on login if changed
+
+#### 4.2 Custom Avatar Upload
+- [ ] Upload endpoint with size/format validation
+- [ ] Store in S3/DO Spaces
+- [ ] Custom avatar overrides OAuth avatar
+
+---
+
+## Technical Debt to Address
+
+1. **Context Propagation in Futures**: PR #4960 fixed `setDisplayName` and `getCurrentUser`, but audit all `Future` blocks that access `AuthorizationUtils`
+
+2. **Dual Auth Support**: The system supports both Basic Auth and JWT. Consider:
+   - Should Basic Auth be deprecated for production?
+   - Should it remain for local development only?
+   - How do Basic Auth users interact with OAuth users in the same game?
+
+3. **Token Refresh**: `RefreshToken` RPC throws UNIMPLEMENTED. Need to:
+   - Implement refresh token storage and validation
+   - Handle token refresh in client
+   - Consider refresh token rotation for security
+
+4. **Session Management**: No server-side session tracking. Consider:
+   - Track active sessions per user
+   - Allow "logout all devices"
+   - Detect concurrent logins
+
+---
+
+## Open Questions
+
+1. **What happens when a Basic Auth user and OAuth user have the same name?**
+   - Currently possible - Basic Auth doesn't check UserService
+   - Could cause confusion in games
+   - Solution: Require OAuth for multiplayer? Or namespace Basic Auth names?
+
+2. **Should displayName changes be allowed?**
+   - With userId-based identity, it's safe
+   - But could cause confusion ("who is this new player?")
+   - Consider: rate limit changes, show "formerly known as" temporarily
+
+3. **How to handle OAuth provider account deletion?**
+   - User deletes their Discord account
+   - Their Eagle0 account still exists
+   - They can't login unless they linked another provider
+   - Solution: Encourage linking multiple providers, or add email/password fallback
+
+4. **Admin impersonation with OAuth**
+   - Currently works via X-Impersonate-User header
+   - Should this use userId or displayName?
+   - Probably userId for stability
+
+---
+
+## Appendix: File Locations
+
+### Server (Scala)
+- `src/main/scala/net/eagle0/eagle/auth/UserService.scala` - User CRUD
+- `src/main/scala/net/eagle0/eagle/auth/JwtService.scala` - Token generation/validation
+- `src/main/scala/net/eagle0/eagle/auth/OAuthService.scala` - OAuth flow
+- `src/main/scala/net/eagle0/eagle/service/AuthServiceImpl.scala` - gRPC Auth service
+- `src/main/scala/net/eagle0/eagle/service/AuthorizationInterceptor.scala` - Auth middleware
+- `src/main/scala/net/eagle0/eagle/service/AuthorizationUtils.scala` - Context accessors
+
+### Client (C#)
+- `Assets/Auth/AuthClient.cs` - gRPC client for Auth service
+- `Assets/Auth/OAuthManager.cs` - OAuth flow orchestration
+- `Assets/Auth/TokenStorage.cs` - Persistent token storage
+- `Assets/Auth/JwtAuthInterceptor.cs` - Attaches JWT to requests
+
+### Protos
+- `src/main/protobuf/net/eagle0/eagle/api/auth.proto` - Auth service definition
+- `src/main/protobuf/net/eagle0/eagle/internal/user/user.proto` - User data model

docs/SHARDOK_LATENCY_HIDING.md

@@ -0,0 +1,216 @@
+# Shardok Latency Hiding Strategies
+
+## Problem Statement
+
+With Shardok running on Hetzner (Helsinki) and Eagle on DigitalOcean (US), the round-trip latency for human commands is ~200-400ms:
+
+```
+Human posts command:
+Unity → Eagle (DO) → Shardok (Hetzner) → Eagle (DO) → Unity
+         ~10ms         ~100ms              ~100ms        ~10ms
+                    Total: ~220ms round-trip
+```
+
+This latency is acceptable for AI turns (users watch animations anyway), but creates noticeable lag when humans post commands.
+
+---
+
+## Strategy 1: Client-Side Animation Masking
+
+### Concept
+
+Start animations immediately when the user clicks, before server confirmation arrives. The animation duration masks the network latency.
+
+### Implementation by Command Type
+
+**Movement Commands** (deterministic):
+- Client knows the destination hex and movement path
+- Start movement animation immediately on click
+- Server confirms the move (should always match)
+- If server rejects (invalid state), snap unit back to origin
+
+**Attack Commands** (RNG-dependent):
+- Show attack animation immediately (unit swings sword, fires arrow)
+- Wait for server to return dice roll result
+- Show damage numbers / hit effects when server responds
+- Animation typically takes 300-500ms, masking most of the latency
+
+**End Turn**:
+- Latency not noticeable (user expects transition delay)
+
+### Unity Implementation Sketch
+
+```csharp
+// In CommandHandler.cs
+public void OnCommandSelected(Command command) {
+    // Start animation immediately
+    if (command.Type == CommandType.Move) {
+        unitController.StartMoveAnimation(command.TargetHex);
+    } else if (command.Type == CommandType.Attack) {
+        unitController.StartAttackAnimation(command.TargetUnit);
+    }
+
+    // Send to server in parallel
+    connection.SendCommand(command, (response) => {
+        if (response.Success) {
+            // Animation continues, apply result
+            ApplyCommandResult(response);
+        } else {
+            // Rollback animation
+            unitController.CancelAnimation();
+            ShowError(response.ErrorMessage);
+        }
+    });
+}
+```
+
+### Pros
+- Simple implementation
+- No server-side changes
+- Works with existing architecture
+
+### Cons
+- Doesn't eliminate latency for attacks with RNG (must wait for dice roll)
+- Rollback needed if server rejects command (rare but possible)
+
+### Estimated Improvement
+- Movement: ~200ms latency hidden (feels instant)
+- Attacks: ~100-200ms hidden by animation, ~100ms visible wait for dice result
+
+---
+
+## Strategy 2: Split Shardok Architecture
+
+### Concept
+
+Run two Shardok instances:
+- **Shardok-Primary (DigitalOcean)**: Handles command processing, source of truth
+- **Shardok-AI (Hetzner)**: AI computation only
+
+Human commands go to the nearby Primary for low latency. AI computation uses the powerful Hetzner instance.
+
+### Architecture
+
+```
+                    Human commands (low latency ~20ms)
+Unity ←→ Eagle ←→ Shardok-Primary (DigitalOcean)
+                         ↓ state sync (when AI turn starts)
+                    Shardok-AI (Hetzner)
+                         ↑ AI command response
+```
+
+### How It Works
+
+**Human Turn:**
+1. Human posts command → Eagle → Shardok-Primary (DO)
+2. Primary processes command immediately (~10ms local)
+3. Primary streams result to client via Eagle (~10ms)
+4. **Total latency: ~20ms** (vs ~220ms current)
+
+**AI Turn:**
+1. When AI's turn starts, Primary sends game state snapshot to Hetzner
+2. Shardok-AI computes best command using full CPU power
+3. Shardok-AI returns command index to Primary
+4. Primary executes command locally and streams to client
+5. Repeat until AI turn ends
+
+### Protocol Changes
+
+```protobuf
+// New service for AI-only computation
+service ShardokAIService {
+    // Send game state, receive AI's chosen command
+    rpc GetAICommand(AICommandRequest) returns (AICommandResponse);
+}
+
+message AICommandRequest {
+    bytes game_state = 1;           // Serialized game state
+    int32 player_id = 2;            // Which AI player
+    repeated bytes available_commands = 3;  // Available command descriptors
+}
+
+message AICommandResponse {
+    int32 command_index = 1;        // Index into available_commands
+    int32 search_depth = 2;         // For debugging
+    double best_score = 3;          // For debugging
+}
+```
+
+### Shardok-Primary Requirements
+
+Shardok-Primary on DigitalOcean needs to:
+- Process all commands (human and AI)
+- Maintain authoritative game state
+- Serialize/deserialize game state for AI requests
+- Run on minimal CPU (command processing is fast)
+
+This is essentially the current Shardok, but without running the AI search.
+
+### Shardok-AI Requirements
+
+Shardok-AI on Hetzner needs to:
+- Receive game state snapshots
+- Run AI evaluation (IterativeDeepeningAI or MCTS)
+- Return best command index
+- No persistent state (stateless worker)
+
+### AI Turn Latency
+
+Each AI command has ~200ms network latency. This is acceptable because:
+1. User is watching animations anyway
+2. Natural pacing lets user observe AI decisions
+3. AI computation is fast on Hetzner's 16 cores
+
+For a typical AI turn with 5 commands: 5 × 200ms = 1 second network overhead, plus AI thinking time. With animations, this feels natural.
+
+### Implementation Phases
+
+**Phase 1: Add Shardok-Primary (minimal)**
+- Deploy existing Shardok container to DigitalOcean
+- Configure Eagle to use local Shardok for all commands
+- Human latency immediately improves
+
+**Phase 2: Add AI offload**
+- Implement `ShardokAIService` RPC
+- Shardok-Primary calls Hetzner for AI commands
+- Shardok-AI processes requests statelessly
+
+**Phase 3: Optimize**
+- Batch multiple AI actions if possible
+- Pre-warm Shardok-AI connection
+- Add fallback if Hetzner unavailable
+
+### Pros
+- Human command latency drops from ~220ms to ~20ms
+- AI still gets Hetzner's CPU power
+- Clear separation of concerns
+- Shardok-Primary can fall back to local AI if Hetzner unavailable
+
+### Cons
+- Two Shardok instances to maintain
+- State serialization overhead for AI requests
+- Each AI action has network round-trip (acceptable with animations)
+
+---
+
+## Comparison
+
+| Approach | Human Latency | AI Throughput | Complexity | Changes Required |
+|----------|---------------|---------------|------------|------------------|
+| Current | ~220ms | High | - | - |
+| Animation masking | ~220ms (perceived ~50ms) | High | Low | Unity only |
+| Split architecture | ~20ms | High | Medium | New RPC, two deployments |
+
+---
+
+## Recommendation
+
+**Phase 1 (now)**: Implement animation masking in Unity client
+- Quick win, no server changes
+- Improves perceived latency significantly for movement
+- Attacks still show dice animation while waiting
+
+**Phase 2 (future)**: Split architecture if animation masking insufficient
+- Only needed if users complain about attack latency
+- More complex but provides true low latency
+- Natural evolution of current architecture

go.mod

@@ -9,6 +9,8 @@ require (
 	github.com/aws/aws-sdk-go-v2/config v1.28.10
 	github.com/aws/aws-sdk-go-v2/credentials v1.17.51
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.72.2
+	github.com/golang-jwt/jwt/v5 v5.2.1
+	github.com/google/uuid v1.6.0
 	google.golang.org/grpc v1.68.0
 	google.golang.org/protobuf v1.36.3
 )

go.sum

@@ -34,9 +34,13 @@ github.com/aws/aws-sdk-go-v2/service/sts v1.33.6 h1:VwhTrsTuVn52an4mXx29PqRzs2Dv
 github.com/aws/aws-sdk-go-v2/service/sts v1.33.6/go.mod h1:+8h7PZb3yY5ftmVLD7ocEoE98hdc8PoKS0H3wfx1dlc=
 github.com/aws/smithy-go v1.22.1 h1:/HPHZQ0g7f4eUeK6HKglFz8uwVfZKgoI25rb/J+dnro=
 github.com/aws/smithy-go v1.22.1/go.mod h1:irrKGvNn1InZwb2d7fkIRNucdfwR8R+Ts3wxYa/cJHg=
+github.com/golang-jwt/jwt/v5 v5.2.1 h1:OuVbFODueb089Lh128TAcimifWaLhJwVflnrgM17wHk=
+github.com/golang-jwt/jwt/v5 v5.2.1/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 golang.org/x/text v0.25.0 h1:qVyWApTSYLk/drJRO5mDlNYskwQznZmkpV2c8q9zls4=
 golang.org/x/text v0.25.0/go.mod h1:WEdwpYrmk1qmdHvhkSTNPm3app7v4rsT8F2UD6+VHIA=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

maven_install.json

@@ -1,7 +1,7 @@
 {
   "__AUTOGENERATED_FILE_DO_NOT_MODIFY_THIS_FILE_MANUALLY": "THERE_IS_NO_DATA_ONLY_ZUUL",
-  "__INPUT_ARTIFACTS_HASH": -1064460283,
-  "__RESOLVED_ARTIFACTS_HASH": -1574144850,
+  "__INPUT_ARTIFACTS_HASH": -2049857450,
+  "__RESOLVED_ARTIFACTS_HASH": -1728186926,
   "conflict_resolution": {
     "com.google.guava:failureaccess:1.0.1": "com.google.guava:failureaccess:1.0.2",
     "com.squareup.okio:okio:2.10.0": "com.squareup.okio:okio:3.6.0",
@@ -413,6 +413,12 @@
       },
       "version": "0.27.0"
     },
+    "io.sentry:sentry": {
+      "shasums": {
+        "jar": "740a118182fc089d307830f4e508372e01ad94639b00b4e1b1d83762298a5f35"
+      },
+      "version": "7.19.0"
+    },
     "javax.activation:javax.activation-api": {
       "shasums": {
         "jar": "43fdef0b5b6ceb31b0424b208b930c74ab58fac2ceeb7b3f6fd3aeb8b5ca4393"
@@ -1785,6 +1791,30 @@
     "io.perfmark:perfmark-api": [
       "io.perfmark"
     ],
+    "io.sentry:sentry": [
+      "io.sentry",
+      "io.sentry.backpressure",
+      "io.sentry.cache",
+      "io.sentry.clientreport",
+      "io.sentry.config",
+      "io.sentry.exception",
+      "io.sentry.hints",
+      "io.sentry.instrumentation.file",
+      "io.sentry.internal.debugmeta",
+      "io.sentry.internal.gestures",
+      "io.sentry.internal.modules",
+      "io.sentry.internal.viewhierarchy",
+      "io.sentry.metrics",
+      "io.sentry.profilemeasurements",
+      "io.sentry.protocol",
+      "io.sentry.rrweb",
+      "io.sentry.transport",
+      "io.sentry.util",
+      "io.sentry.util.thread",
+      "io.sentry.vendor",
+      "io.sentry.vendor.gson.internal.bind.util",
+      "io.sentry.vendor.gson.stream"
+    ],
     "javax.activation:javax.activation-api": [
       "javax.activation"
     ],
@@ -2452,6 +2482,7 @@
       "io.opencensus:opencensus-contrib-grpc-metrics",
       "io.opencensus:opencensus-contrib-http-util",
       "io.perfmark:perfmark-api",
+      "io.sentry:sentry",
       "javax.activation:javax.activation-api",
       "javax.xml.bind:jaxb-api",
       "joda-time:joda-time",

nginx/nginx.conf

@@ -81,6 +81,101 @@ http {
             error_page 502 = /error502grpc;
         }
 
+        # gRPC proxy for Auth service
+        location /net.eagle0.eagle.api.auth.Auth {
+            # Rate limiting
+            limit_req zone=grpc_limit burst=50 nodelay;
+
+            # gRPC proxy
+            grpc_pass grpc://eagle_grpc;
+
+            # Timeouts
+            grpc_read_timeout 30s;
+            grpc_send_timeout 30s;
+
+            # Error handling
+            error_page 502 = /error502grpc;
+        }
+
+        # OAuth callback endpoint (proxied to Go auth service)
+        location /oauth/callback {
+            proxy_pass http://auth:8080;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+        }
+
+        # Health check endpoint
+        location /health {
+            access_log off;
+            return 200 "OK\n";
+            add_header Content-Type text/plain;
+        }
+
+        # gRPC error handling
+        location = /error502grpc {
+            internal;
+            default_type application/grpc;
+            add_header grpc-status 14;
+            add_header grpc-message "unavailable";
+            return 204;
+        }
+    }
+
+    # HTTPS server for Go Auth service (port 40033)
+    # Clients connect here directly for OAuth RPCs in Phase 2
+    server {
+        listen 40033 ssl;
+        http2 on;
+        server_name prod.eagle0.net;
+
+        # SSL certificates (same as main server)
+        ssl_certificate /etc/letsencrypt/live/prod.eagle0.net/fullchain.pem;
+        ssl_certificate_key /etc/letsencrypt/live/prod.eagle0.net/privkey.pem;
+
+        # SSL configuration
+        ssl_protocols TLSv1.2 TLSv1.3;
+        ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
+        ssl_prefer_server_ciphers off;
+        ssl_session_timeout 1d;
+        ssl_session_cache shared:SSL:10m;
+        ssl_session_tickets off;
+
+        # gRPC proxy for Auth service
+        # Uses variable-based resolution so nginx can start even if auth isn't ready yet
+        # DNS is cached by the resolver directive (valid=10s)
+        location /net.eagle0.eagle.api.auth.Auth {
+            # Rate limiting
+            limit_req zone=grpc_limit burst=50 nodelay;
+
+            # Dynamic upstream resolution (doesn't block nginx startup)
+            set $auth_backend "auth:40033";
+            grpc_pass grpc://$auth_backend;
+
+            # Timeouts
+            grpc_read_timeout 30s;
+            grpc_send_timeout 30s;
+
+            # Error handling
+            error_page 502 = /error502grpc;
+        }
+
+        # gRPC proxy for Admin service
+        location /net.eagle0.eagle.api.admin.Admin {
+            # Rate limiting
+            limit_req zone=grpc_limit burst=50 nodelay;
+
+            # Dynamic upstream resolution (doesn't block nginx startup)
+            set $auth_backend "auth:40033";
+            grpc_pass grpc://$auth_backend;
+
+            # Timeouts
+            grpc_read_timeout 30s;
+            grpc_send_timeout 30s;
+
+            # Error handling
+            error_page 502 = /error502grpc;
+        }
+
         # Health check endpoint
         location /health {
             access_log off;

src/main/cpp/net/eagle0/shardok/BUILD.bazel

@@ -14,6 +14,7 @@ cc_library(
         "//src/main/cpp/net/eagle0/shardok/library:engine",
         "//src/main/cpp/net/eagle0/shardok/server:eagle_interface_grpc_server",
         "//src/main/cpp/net/eagle0/shardok/server:server_configuration",
+        "//src/main/cpp/net/eagle0/shardok/server:token_auth",
         "//src/main/protobuf/net/eagle0/common:common_unit_cc_proto",
         "@grpc//:grpc++",
     ],

src/main/cpp/net/eagle0/shardok/ai/AITimeBudget.cpp

@@ -25,7 +25,8 @@ auto CalculateTimeBudget(
         const PlayerId playerId,
         const GameSettingsSPtr &settings,
         const GameStateW &state,
-        const size_t numCommands) -> AITimeBudget {
+        const size_t numCommands,
+        const bool isAllAiBattle) -> AITimeBudget {
     const auto settingsGetter = settings->GetGetter();
     const auto castleCoords = AllCastleCoords(state->hex_map());
 
@@ -34,8 +35,10 @@ auto CalculateTimeBudget(
                               net::eagle0::shardok::storage::fb::GameStatus_::State_SET_UP;
 
     // Get maximum budget cap from settings (in seconds)
+    // For all-AI battles, use the faster budget limit
     const double maxBudgetSeconds =
-            settingsGetter.Backing().lookahead_time_budget_maximum_seconds();
+            isAllAiBattle ? settingsGetter.Backing().all_ai_battle_time_budget_maximum()
+                          : settingsGetter.Backing().lookahead_time_budget_maximum_seconds();
     const double maxBudgetMs = maxBudgetSeconds * 1000.0;
 
     // During setup, use the setup-specific time budget

src/main/cpp/net/eagle0/shardok/ai/AITimeBudget.hpp

@@ -38,11 +38,13 @@ struct AITimeBudget {
 // Calculate time budget based on proximity to enemies and castles
 // Time budget is calculated dynamically based on number of available commands:
 //   budget = msPerCommand × numCommands (clamped to 200-5000ms)
+// If isAllAiBattle is true, uses allAiBattleTimeBudgetMaximum instead of the normal maximum.
 auto CalculateTimeBudget(
         PlayerId playerId,
         const GameSettingsSPtr &settings,
         const GameStateW &state,
-        size_t numCommands) -> AITimeBudget;
+        size_t numCommands,
+        bool isAllAiBattle) -> AITimeBudget;
 
 }  // namespace shardok
 

src/main/cpp/net/eagle0/shardok/ai/ShardokAIClient.cpp

@@ -53,6 +53,7 @@ auto RoundsRemaining(const GameSettingsSPtr &settings, const GameStateView &gsv)
 ShardokAIClient::ShardokAIClient(
         const PlayerId playerId,
         const bool isDefender,
+        const bool isAllAiBattle,
         const HexMap *hexMap,
         const SettingsGetter &settings,
         const AIAlgorithmType aiAlgorithmType,
@@ -60,6 +61,7 @@ ShardokAIClient::ShardokAIClient(
         const mcts::MCTSConfig &mctsConfig)
     : playerId(playerId),
       isDefender(isDefender),
+      isAllAiBattle(isAllAiBattle),
       aiAlgorithmType(aiAlgorithmType),
       scoringCalculatorType(scoringCalculatorType),
       alCache(std::make_unique<AttackLocationsCache>(hexMap, settings)),
@@ -135,7 +137,8 @@ auto ShardokAIClient::StandardChooseCommandIndex(
     const auto commandCount = guessedCommands->size();
 
     // Calculate time budget based on game situation using new dynamic per-command settings
-    const auto timeBudget = CalculateTimeBudget(playerId, settings, guessedState, commandCount);
+    const auto timeBudget =
+            CalculateTimeBudget(playerId, settings, guessedState, commandCount, isAllAiBattle);
 
     // Configure MCTS based on proximity to enemy
     // When far from enemy: use AVERAGING with maxPlayerFlips=0 (single-player lookahead)

src/main/cpp/net/eagle0/shardok/ai/ShardokAIClient.hpp

@@ -41,6 +41,7 @@ class ShardokAIClient {
 private:
     const PlayerId playerId;
     const bool isDefender;
+    const bool isAllAiBattle;  // Whether this battle has only AI players (for faster time budgets)
     const AIAlgorithmType aiAlgorithmType;
     const ScoringCalculatorType scoringCalculatorType;
 
@@ -69,6 +70,7 @@ public:
     explicit ShardokAIClient(
             PlayerId playerId,
             bool isDefender,
+            bool isAllAiBattle,
             const HexMap* hexMap,
             const SettingsGetter& settings,
             AIAlgorithmType aiAlgorithmType,

src/main/cpp/net/eagle0/shardok/ai_battle_simulator/ai_battle_simulator_main.cpp

@@ -10,7 +10,6 @@
 #include "AiBattleConfig.hpp"
 #include "AiBattleSimulator.hpp"
 #include "src/main/cpp/net/eagle0/common/FilesystemUtils.hpp"
-#include "src/main/cpp/net/eagle0/shardok/library/action_point_distances/FixedActionPointDistances.hpp"
 
 using shardok::ai_battle_simulator::AiBattleConfigLoader;
 using shardok::ai_battle_simulator::AiBattleSimulator;
@@ -109,10 +108,6 @@ int main(int argc, char* argv[]) {
     // Set exec path for FilesystemUtils
     FilesystemUtils::SetExecPath(argv[0]);
 
-    // Set cache directory for ActionPointDistances
-    shardok::FixedActionPointDistances::SetCacheDirectory(
-            FilesystemUtils::CacheFilesDirectory() + "apdCache/");
-
     try {
         if (argc < 2) {
             PrintUsage(argv[0]);

src/main/cpp/net/eagle0/shardok/ai_performance_runner/AIPerformanceRunner.cpp

@@ -16,7 +16,6 @@
 #include "src/main/cpp/net/eagle0/shardok/ai_testing_common/AIClientFactory.hpp"
 #include "src/main/cpp/net/eagle0/shardok/ai_testing_common/GamePhaseRunner.hpp"
 #include "src/main/cpp/net/eagle0/shardok/library/ShardokEngine.hpp"
-#include "src/main/cpp/net/eagle0/shardok/library/action_point_distances/FixedActionPointDistances.hpp"
 #include "src/main/protobuf/net/eagle0/shardok/common/command_type.pb.h"
 
 using namespace shardok;
@@ -84,10 +83,6 @@ int main(int argc, char* argv[]) {
     // Set exec path so FilesystemUtils can find resource files
     FilesystemUtils::SetExecPath(argv[0]);
 
-    // Set cache directory for ActionPointDistances
-    FixedActionPointDistances::SetCacheDirectory(
-            FilesystemUtils::CacheFilesDirectory() + "apdCache/");
-
     try {
         std::cout << "Shardok AI Performance Runner\n";
         std::cout << "==============================\n";

src/main/cpp/net/eagle0/shardok/controller/ShardokGameController.cpp

@@ -24,9 +24,6 @@ using std::scoped_lock;
 using std::string;
 using std::unique_lock;
 using std::weak_ptr;
-using std::chrono::duration;
-
-static constexpr duration kWaitForUpdatesDuration = std::chrono::milliseconds(5000);
 
 using net::eagle0::shardok::common::GameStatus;
 
@@ -74,11 +71,17 @@ vector<shared_ptr<ShardokAIClient>> ShardokGameController::MakeAIClients(
     mctsConfig.maxSimulationFlips = 1;
     mctsConfig.simulationPolicy = mcts::MCTSSimulationPolicy::WEIGHTED_HEURISTIC;
 
-    for (const auto &pi : e->GetPlayerInfos()) {
+    // Check if all players are AI - if so, use faster time budgets
+    const auto &playerInfos = e->GetPlayerInfos();
+    const bool isAllAiBattle =
+            std::ranges::all_of(playerInfos, [](const auto &pi) { return pi.is_ai(); });
+
+    for (const auto &pi : playerInfos) {
         if (pi.is_ai()) {
             auto newClient = std::make_shared<ShardokAIClient>(
                     pi.player_id(),
                     pi.is_defender(),
+                    isAllAiBattle,
                     e->GetCurrentGameState()->hex_map(),
                     e->GetGameSettings()->GetGetter(),
                     AIAlgorithmType::ITERATIVE_DEEPENING,
@@ -278,15 +281,9 @@ auto ShardokGameController::GetUpdates(const int64_t startingActionId) -> AllUpd
         awrs = engine->GetGameHistory(startingActionId);
         incomingRegistrations--;
 
-        // If the current player is an AI, wait for some results to post. Otherwise go ahead and
-        // return, we might be telling the caller about available commands.
-        if (awrs.empty() && !engine->GameIsOver() &&
-            engine->GetPlayerInfos()[engine->GetCurrentPlayerId()].is_ai()) {
-            updateCondition.wait_for(guard, kWaitForUpdatesDuration);
-            incomingRegistrations++;
-            awrs = engine->GetGameHistory(startingActionId);
-            incomingRegistrations--;
-        }
+        // Note: Previously this had a 5-second wait for AI players to support long-polling.
+        // With streaming (WaitForUpdatesAndPush), the caller already waits for updates,
+        // so this wait is no longer needed. GetGameStatus is deprecated in favor of streaming.
 
         updates.mainResults.reserve(awrs.size());
         std::ranges::transform(
@@ -406,12 +403,10 @@ auto ShardokGameController::WaitForUpdatesAndPush(
         }
         // Lock released - GetUpdates will acquire its own lock
 
-        if (gameOver) {
-            subscriber->OnGameOver(gameOverInfo);
-            return true;
-        }
-
-        // Get updates outside the lock (GetUpdates acquires masterLock internally)
+        // IMPORTANT: Send any pending updates FIRST, including the final actions
+        // that caused the game to end. Previously, we returned early on gameOver
+        // without sending these final updates, causing the client to never see
+        // the last few battle actions.
         AllUpdates updates = GetUpdates(lastPushedActionId);
         lastPushedActionId = updates.newUnfilteredCount;
 
@@ -422,6 +417,12 @@ auto ShardokGameController::WaitForUpdatesAndPush(
                     updates.newUnfilteredCount,
                     updates.currentGameState);
         }
+
+        // Now send gameOver notification after all updates have been sent
+        if (gameOver) {
+            subscriber->OnGameOver(gameOverInfo);
+            return true;
+        }
     }
 
     return false;  // Subscriber disconnected

src/main/cpp/net/eagle0/shardok/library/action_point_distances/ActionPointDistancesCache.cpp

@@ -29,8 +29,6 @@ thread_local struct {
     int localMisses = 0;
     int sharedAccesses = 0;
     int evictionEvents = 0;
-    int apdLoadedFromFile = 0;
-    int apdGeneratedFresh = 0;
     std::chrono::steady_clock::time_point lastReportTime = std::chrono::steady_clock::now();
 } cacheStats;
 
@@ -40,16 +38,13 @@ static void MaybePrintCacheStats() {
     if (std::chrono::duration_cast<std::chrono::seconds>(now - cacheStats.lastReportTime).count() >=
         CACHE_STATS_FREQUENCY_SECONDS_) {
         printf("Thread cache stats: %d persistent hits, %d persistent misses, %d local hits, "
-               "%d local misses, %d shared accesses, %d eviction events, "
-               "%d APD loaded from file, %d APD generated fresh\n",
+               "%d local misses, %d shared accesses, %d eviction events\n",
                cacheStats.persistentHits,
                cacheStats.persistentMisses,
                cacheStats.localHits,
                cacheStats.localMisses,
                cacheStats.sharedAccesses,
-               cacheStats.evictionEvents,
-               cacheStats.apdLoadedFromFile,
-               cacheStats.apdGeneratedFresh);
+               cacheStats.evictionEvents);
         cacheStats.lastReportTime = now;
     }
 }
@@ -195,25 +190,12 @@ auto ActionPointDistancesCache::GetRaw(
     }
 
     // Create new pathfinding result using factory method
-    auto creationResult = FixedActionPointDistances::Create(
+    auto result = FixedActionPointDistances::Create(
             mapToUse,
-            mapId.terrainTypesId,
-            mapId.modifierId,
             battalionType,
             includeBravingWater,
             braveWaterActionPointCost);
 
-#if CACHE_STATS_LOGGING_
-    // Track whether this was loaded from file or generated fresh
-    if (creationResult.loadedFromFile) {
-        cacheStats.apdLoadedFromFile++;
-    } else {
-        cacheStats.apdGeneratedFresh++;
-    }
-#endif
-
-    auto result = creationResult.apd;
-
     // Store in shared cache
     sharedDistances.lazy_emplace_l(
             cacheKey,

src/main/cpp/net/eagle0/shardok/library/action_point_distances/FixedActionPointDistances.cpp

@@ -22,110 +22,56 @@ static const int ASYNC_COUNT = []() {
 
 namespace shardok {
 
-void FixedActionPointDistances::SetCacheDirectory(const string& newDir) {
-    cacheDirectory = newDir;
-    FilesystemUtils::MakeDirectoryIfNecessary(cacheDirectory);
-}
-
-static thread_local byte_vector _scratch;
-
 FixedActionPointDistances::FixedActionPointDistances(const HexMap* /*map*/, int columnCount)
     : ActionPointDistances(columnCount) {}
 
 auto FixedActionPointDistances::Create(
         const HexMap* map,
-        int64_t terrainTypesHash,
-        int64_t modifierHash,
         const BattalionTypeSPtr& battalionType,
         bool includeBravingWater,
-        int braveWaterActionPointCost) -> CreationResult {
+        int braveWaterActionPointCost) -> std::shared_ptr<FixedActionPointDistances> {
     // Create the object using private constructor
     auto apd = std::shared_ptr<FixedActionPointDistances>(
             new FixedActionPointDistances(map, map->column_count()));
 
-    CreationResult result;
-    result.apd = apd;
-    result.loadedFromFile = false;
-
-    string path = "";
-
-    if (!cacheDirectory.empty()) {
-        std::stringstream stream;
-        stream << cacheDirectory;
-        stream << std::hex << terrainTypesHash << '/';
-
-        if (auto directoryPath = stream.str(); !FilesystemUtils::FileExistsAtPath(directoryPath)) {
-            FilesystemUtils::MakeDirectoryIfNecessary(stream.str());
-        }
-
-        stream << std::hex << modifierHash;
-        stream << " " << battalionType->typeId;
-        if (includeBravingWater) { stream << " " << braveWaterActionPointCost; }
-        stream << ".apd";
-        path = stream.str();
-    }
-
     const int indexCount = map->row_count() * map->column_count();
 
-    if (!path.empty() && FilesystemUtils::FileExistsAtPath(path)) {
-        apd->distances.resize(indexCount);
-        // load from file
-        const auto& bytes = _scratch.ReplaceWithPath(path);
-        const auto* ptr = reinterpret_cast<const DIST_T*>(bytes.data());
+    vector<std::future<vector<vector<DIST_T>>>> futures(indexCount);
 
-        for (int fromIndex = 0; fromIndex < indexCount; fromIndex++) {
-            apd->distances[fromIndex].insert(
-                    apd->distances[fromIndex].end(),
-                    &(ptr[0]),
-                    &(ptr[indexCount]));
-            ptr += indexCount;
-        }
-        result.loadedFromFile = true;
-    } else {
-        _scratch.reserve(indexCount * indexCount * sizeof(DIST_T));
+    auto braveWaterPossibleCoords =
+            includeBravingWater ? apd->BraveWaterPossibleCoords(map) : nullptr;
 
-        vector<std::future<vector<vector<DIST_T>>>> futures(indexCount);
+    int chunkSize = (indexCount + ASYNC_COUNT - 1) / ASYNC_COUNT;
+    // Break into chunks for async
+    for (int chunkIdx = 0; chunkIdx < ASYNC_COUNT; chunkIdx++) {
+        futures[chunkIdx] = std::async(std::launch::async, [=]() -> vector<vector<DIST_T>> {
+            vector<vector<DIST_T>> chunkVec;
+            chunkVec.reserve(chunkSize);
+            const int chunkStartIndex = chunkIdx * chunkSize;
 
-        auto braveWaterPossibleCoords =
-                includeBravingWater ? apd->BraveWaterPossibleCoords(map) : nullptr;
-
-        int chunkSize = (indexCount + ASYNC_COUNT - 1) / ASYNC_COUNT;
-        // Break into chunks for async
-        for (int chunkIdx = 0; chunkIdx < ASYNC_COUNT; chunkIdx++) {
-            futures[chunkIdx] = std::async(std::launch::async, [=]() -> vector<vector<DIST_T>> {
-                vector<vector<DIST_T>> chunkVec;
-                chunkVec.reserve(chunkSize);
-                const int chunkStartIndex = chunkIdx * chunkSize;
-
-                for (int i = 0; i < chunkSize; i++) {
-                    const auto fromIndex = chunkStartIndex + i;
-                    if (fromIndex >= indexCount) { continue; }
-                    chunkVec.push_back(ActionPointDistances::GenerateDistances(
-                            fromIndex,
-                            map,
-                            includeBravingWater,
-                            braveWaterActionPointCost,
-                            battalionType,
-                            braveWaterPossibleCoords));
-                }
-                return chunkVec;
-            });
-        }
-
-        apd->distances.reserve(indexCount);
-        _scratch.clear();
-        _scratch.reserve(indexCount * indexCount * sizeof(DIST_T));
-
-        for (int chunkIdx = 0; chunkIdx < ASYNC_COUNT; chunkIdx++) {
-            auto resultsVec = futures[chunkIdx].get();
-            apd->distances.insert(apd->distances.end(), resultsVec.begin(), resultsVec.end());
-            for (const auto& r : resultsVec) { _scratch.append(r); }
-        }
-
-        if (!path.empty()) { FilesystemUtils::AtomicallySaveToPath(path, _scratch); }
+            for (int i = 0; i < chunkSize; i++) {
+                const auto fromIndex = chunkStartIndex + i;
+                if (fromIndex >= indexCount) { continue; }
+                chunkVec.push_back(ActionPointDistances::GenerateDistances(
+                        fromIndex,
+                        map,
+                        includeBravingWater,
+                        braveWaterActionPointCost,
+                        battalionType,
+                        braveWaterPossibleCoords));
+            }
+            return chunkVec;
+        });
     }
 
-    return result;
+    apd->distances.reserve(indexCount);
+
+    for (int chunkIdx = 0; chunkIdx < ASYNC_COUNT; chunkIdx++) {
+        auto resultsVec = futures[chunkIdx].get();
+        apd->distances.insert(apd->distances.end(), resultsVec.begin(), resultsVec.end());
+    }
+
+    return apd;
 }
 
 }  // namespace shardok

src/main/cpp/net/eagle0/shardok/library/action_point_distances/FixedActionPointDistances.hpp

@@ -17,31 +17,19 @@ using std::vector;
 using BattalionTypeSPtr = std::shared_ptr<const BattalionType>;
 
 class FixedActionPointDistances final : public ActionPointDistances {
-public:
-    struct CreationResult {
-        std::shared_ptr<FixedActionPointDistances> apd;
-        bool loadedFromFile;
-    };
-
 private:
     vector<vector<DIST_T>> distances;
 
-    inline static string cacheDirectory = "";
-
     // Private constructor - use Create factory method instead
     explicit FixedActionPointDistances(const HexMap *map, int columnCount);
 
 public:
-    static void SetCacheDirectory(const string &newDir);
-
-    // Factory method to create FixedActionPointDistances with metadata
+    // Factory method to create FixedActionPointDistances
     static auto Create(
             const HexMap *map,
-            int64_t terrainTypesHash,
-            int64_t modifierHash,
             const BattalionTypeSPtr &battalionType,
             bool includeBravingWater,
-            int braveWaterActionPointCost = -1) -> CreationResult;
+            int braveWaterActionPointCost = -1) -> std::shared_ptr<FixedActionPointDistances>;
 
     ~FixedActionPointDistances() override = default;
 
@@ -52,8 +40,6 @@ public:
     [[nodiscard]] auto Distance(const Coords &from, const Coords &to) const -> DIST_T override {
         return Distance(ToIndex(from), ToIndex(to));
     }
-
-    friend struct CreationResult;
 };
 
 }  // namespace shardok

src/main/cpp/net/eagle0/shardok/server/BUILD.bazel

@@ -34,6 +34,17 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "token_auth",
+    hdrs = ["TokenAuthInterceptor.hpp"],
+    copts = COPTS,
+    visibility = ["//src/main/cpp/net/eagle0/shardok:__subpackages__"],
+    deps = [
+        "//src/main/cpp/net/eagle0/common:protobuf_warning_suppression",
+        "@grpc//:grpc++",
+    ],
+)
+
 cc_library(
     name = "eagle_interface_grpc_server",
     srcs = ["EagleInterfaceGrpcServer.cpp"],
@@ -42,6 +53,7 @@ cc_library(
     visibility = ["//src/main/cpp/net/eagle0/shardok:__subpackages__"],
     deps = [
         ":games_manager",
+        ":token_auth",
         "//src/main/cpp/net/eagle0/common:unit_conversions",
         "//src/main/protobuf/net/eagle0/common:shardok_internal_interface_cc_grpc",
         "//src/main/protobuf/net/eagle0/common:victory_condition_cc_proto",

src/main/cpp/net/eagle0/shardok/server/EagleInterfaceGrpcServer.cpp

@@ -81,8 +81,17 @@ static auto FromInternalStatus(
 
 const std::string &kShardokGameRequestExtension = *(new string(".e0gr"));
 
-EagleInterfaceImpl::EagleInterfaceImpl(shared_ptr<ShardokGamesManager> manager)
-    : gamesManager(std::move(manager)) {}
+EagleInterfaceImpl::EagleInterfaceImpl(
+        shared_ptr<ShardokGamesManager> manager,
+        std::string authToken)
+    : gamesManager(std::move(manager)),
+      tokenValidator_(std::move(authToken)) {
+    if (tokenValidator_.IsEnabled()) {
+        std::cout << "Token authentication enabled" << std::endl;
+    } else {
+        std::cout << "Token authentication disabled (no token configured)" << std::endl;
+    }
+}
 
 auto ConvertPlayerInfo(
         const google::protobuf::RepeatedPtrField<net::eagle0::common::PlayerSetupInfo> &allPis,
@@ -188,9 +197,12 @@ void EagleInterfaceImpl::StartGame(const NewGameRequest &request) {
 }
 
 auto EagleInterfaceImpl::PostCommand(
-        ServerContext * /*context*/,
+        ServerContext *context,
         const PostCommandRequest *request,
         GameStatusResponse *response) -> Status {
+    // Validate auth token
+    if (auto authStatus = tokenValidator_.ValidateOrStatus(context)) { return *authStatus; }
+
     shared_ptr<ShardokGameController> controller;
     try {
         controller = ControllerForGame(request->game_id(), request->game_setup_info());
@@ -229,9 +241,12 @@ auto EagleInterfaceImpl::PostCommand(
 }
 
 auto EagleInterfaceImpl::PostPlacementCommands(
-        ServerContext * /*context*/,
+        ServerContext *context,
         const PlacementCommandsRequest *request,
         GameStatusResponse *response) -> Status {
+    // Validate auth token
+    if (auto authStatus = tokenValidator_.ValidateOrStatus(context)) { return *authStatus; }
+
     shared_ptr<ShardokGameController> controller;
     try {
         controller = ControllerForGame(request->game_id(), request->game_setup_info());
@@ -322,27 +337,13 @@ void EagleInterfaceImpl::PopulateGameStatusResponse(
     }
 }
 
-auto EagleInterfaceImpl::GetGameStatus(
-        ServerContext * /*context*/,
-        const GameStatusRequest *request,
-        GameStatusResponse *response) -> Status {
-    shared_ptr<ShardokGameController> controller;
-    try {
-        controller = ControllerForGame(request->game_id(), request->game_setup_info());
-    } catch (NewGameException &e) { return e.GetStatus(); }
-
-    PopulateGameStatusResponse(
-            controller,
-            request->game_setup_info().known_result_count(),
-            response);
-
-    return Status::OK;
-}
-
 auto EagleInterfaceImpl::GetHexMap(
-        ServerContext * /*context*/,
+        ServerContext *context,
         const HexMapRequest *request,
         HexMapResponse *response) -> Status {
+    // Validate auth token
+    if (auto authStatus = tokenValidator_.ValidateOrStatus(context)) { return *authStatus; }
+
     // TODO: return appropriate status code if a bad map name is sent
     *response->mutable_map() = LoadMap(request->map_name());
 
@@ -350,9 +351,12 @@ auto EagleInterfaceImpl::GetHexMap(
 }
 
 auto EagleInterfaceImpl::GetHexMapNames(
-        ServerContext * /*context*/,
+        ServerContext *context,
         const HexMapNamesRequest * /*request*/,
         HexMapNamesResponse *response) -> Status {
+    // Validate auth token
+    if (auto authStatus = tokenValidator_.ValidateOrStatus(context)) { return *authStatus; }
+
     for (const string &mapName : GetMapNames()) { response->add_map_names(mapName); }
 
     return Status::OK;
@@ -533,6 +537,9 @@ auto EagleInterfaceImpl::SubscribeToGame(
         ServerContext *context,
         const GameSubscriptionRequest *request,
         grpc::ServerWriter<GameStatusResponse> *writer) -> Status {
+    // Validate auth token
+    if (auto authStatus = tokenValidator_.ValidateOrStatus(context)) { return *authStatus; }
+
     shared_ptr<ShardokGameController> controller;
     try {
         controller = ControllerForGame(request->game_id(), request->game_setup_info());

src/main/cpp/net/eagle0/shardok/server/EagleInterfaceGrpcServer.hpp

@@ -13,8 +13,9 @@
 #include <string>
 #include <thread>
 
-#include "ShardokGamesManager.hpp"
 #include "src/main/cpp/net/eagle0/common/ProtobufWarningSuppression.hpp"
+#include "src/main/cpp/net/eagle0/shardok/server/ShardokGamesManager.hpp"
+#include "src/main/cpp/net/eagle0/shardok/server/TokenAuthInterceptor.hpp"
 #pragma GCC diagnostic push
 SUPPRESS_PROTOBUF_WARNINGS
 #include <grpc/grpc.h>
@@ -31,7 +32,6 @@ namespace shardok {
 using grpc::ServerContext;
 using grpc::Status;
 using net::eagle0::common::GameSetupInfo;
-using net::eagle0::common::GameStatusRequest;
 using net::eagle0::common::GameStatusResponse;
 using net::eagle0::common::GameSubscriptionRequest;
 using net::eagle0::common::HexMapNamesRequest;
@@ -47,6 +47,7 @@ using std::shared_ptr;
 class EagleInterfaceImpl final : public ShardokInternalInterface::Service {
 private:
     std::shared_ptr<ShardokGamesManager> gamesManager;
+    TokenValidator tokenValidator_;
 
     auto ControllerForGame(const GameId& gameId, const GameSetupInfo& setupInfo)
             -> std::shared_ptr<ShardokGameController>;
@@ -58,7 +59,14 @@ private:
             GameStatusResponse* response);
 
 public:
-    explicit EagleInterfaceImpl(std::shared_ptr<ShardokGamesManager> manager);
+    /**
+     * Create the service.
+     *
+     * @param manager Games manager
+     * @param authToken Optional auth token. If non-empty, all requests must include
+     *                  "authorization: Bearer <token>" metadata.
+     */
+    EagleInterfaceImpl(std::shared_ptr<ShardokGamesManager> manager, std::string authToken = "");
 
     auto PostCommand(
             ServerContext* context,
@@ -68,10 +76,6 @@ public:
             ServerContext* context,
             const PlacementCommandsRequest* request,
             GameStatusResponse* response) -> Status override;
-    auto GetGameStatus(
-            ServerContext* context,
-            const GameStatusRequest* request,
-            GameStatusResponse* response) -> Status override;
 
     auto GetHexMap(ServerContext* context, const HexMapRequest* request, HexMapResponse* response)
             -> Status override;

src/main/cpp/net/eagle0/shardok/server/ServerConfiguration.cpp

@@ -24,6 +24,7 @@ const string ServerConfiguration::kEagleInterfaceGrpcAddress = "eagleInterfaceGr
 const string ServerConfiguration::kEagleGrpcAddress = "eagleGrpcAddress";
 const string ServerConfiguration::kSslCertPath = "sslCertPath";
 const string ServerConfiguration::kSslPrivateKeyPath = "sslPrivateKeyPath";
+const string ServerConfiguration::kAuthTokenPath = "authTokenPath";
 #pragma GCC diagnostic pop
 
 using std::unordered_map;

src/main/cpp/net/eagle0/shardok/server/ServerConfiguration.hpp

@@ -29,6 +29,7 @@ public:
     const static string kEagleGrpcAddress;
     const static string kSslCertPath;
     const static string kSslPrivateKeyPath;
+    const static string kAuthTokenPath;
 };
 
 #endif /* ServerConfiguration_hpp */

src/main/cpp/net/eagle0/shardok/server/ShardokGamesManager.cpp

@@ -15,7 +15,6 @@
 #include "ServerConfiguration.hpp"
 #include "src/main/cpp/net/eagle0/shardok/ai/ShardokAIClient.hpp"
 #include "src/main/cpp/net/eagle0/shardok/controller/ShardokGameController.hpp"
-#include "src/main/cpp/net/eagle0/shardok/library/action_point_distances/FixedActionPointDistances.hpp"
 #include "src/main/cpp/net/eagle0/shardok/library/settings_loader/SettingsLoader.hpp"
 #include "src/main/cpp/net/eagle0/shardok/util/MapLoader.hpp"
 #include "src/main/flatbuffer/net/eagle0/shardok/storage/unit.hpp"
@@ -45,9 +44,6 @@ ShardokGamesManager::ShardokGamesManager(const std::vector<std::string> &extraSe
         std::cerr << "NOT SETTING" << std::endl;
         //        setter.SetRaw(key, value);
     }
-
-    FixedActionPointDistances::SetCacheDirectory(
-            FilesystemUtils::CacheFilesDirectory() + "apdCache/");
 }
 
 auto ShardokGamesManager::GetController(const GameId &gameId)

src/main/cpp/net/eagle0/shardok/server/TokenAuthInterceptor.hpp

@@ -0,0 +1,119 @@
+//
+//  TokenAuthInterceptor.hpp
+//  eagle0
+//
+//  Token-based authentication for gRPC.
+//  Validates Bearer tokens in the 'authorization' metadata header.
+//
+
+#ifndef TokenAuthInterceptor_hpp
+#define TokenAuthInterceptor_hpp
+
+#include <fstream>
+#include <iostream>
+#include <optional>
+#include <sstream>
+#include <string>
+
+#include "src/main/cpp/net/eagle0/common/ProtobufWarningSuppression.hpp"
+#pragma GCC diagnostic push
+SUPPRESS_PROTOBUF_WARNINGS
+#include <grpcpp/server_context.h>
+#include <grpcpp/support/status.h>
+#pragma GCC diagnostic pop
+
+namespace shardok {
+
+/**
+ * Validates Bearer tokens in gRPC request metadata.
+ *
+ * Usage:
+ *   TokenValidator validator(expectedToken);
+ *   if (!validator.Validate(context)) {
+ *       return grpc::Status(grpc::UNAUTHENTICATED, "Invalid token");
+ *   }
+ */
+class TokenValidator {
+public:
+    /**
+     * Create a validator with the expected token.
+     * If expectedToken is empty, all requests are allowed (no auth required).
+     */
+    explicit TokenValidator(std::string expectedToken) : expectedToken_(std::move(expectedToken)) {}
+
+    /**
+     * Validate the authorization header in the server context.
+     *
+     * Expects: "authorization" metadata with value "Bearer <token>"
+     *
+     * @return true if valid (or no auth configured), false otherwise
+     */
+    [[nodiscard]] auto Validate(grpc::ServerContext* context) const -> bool {
+        // If no auth token is configured, allow all requests
+        if (expectedToken_.empty()) { return true; }
+
+        const auto& metadata = context->client_metadata();
+        auto it = metadata.find("authorization");
+        if (it == metadata.end()) {
+            std::cerr << "Auth failed: no authorization header" << std::endl;
+            return false;
+        }
+
+        std::string authHeader(it->second.begin(), it->second.end());
+        std::string expectedHeader = "Bearer " + expectedToken_;
+
+        if (authHeader != expectedHeader) {
+            std::cerr << "Auth failed: invalid token" << std::endl;
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Validate and return appropriate Status.
+     *
+     * @return std::nullopt if valid, Status(UNAUTHENTICATED) if invalid
+     */
+    [[nodiscard]] auto ValidateOrStatus(grpc::ServerContext* context) const
+            -> std::optional<grpc::Status> {
+        if (Validate(context)) { return std::nullopt; }
+        return grpc::Status(grpc::UNAUTHENTICATED, "Invalid or missing authentication token");
+    }
+
+    /**
+     * Check if authentication is enabled.
+     */
+    [[nodiscard]] auto IsEnabled() const -> bool { return !expectedToken_.empty(); }
+
+private:
+    std::string expectedToken_;
+};
+
+/**
+ * Read auth token from a file, stripping whitespace.
+ * Returns empty string if file doesn't exist or is empty.
+ */
+inline auto ReadAuthTokenFromFile(const std::string& filePath) -> std::string {
+    if (filePath.empty()) { return ""; }
+
+    std::ifstream file(filePath);
+    if (!file.is_open()) {
+        std::cerr << "Warning: Could not open auth token file: " << filePath << std::endl;
+        return "";
+    }
+
+    std::stringstream buffer;
+    buffer << file.rdbuf();
+    std::string token = buffer.str();
+
+    // Trim whitespace
+    auto start = token.find_first_not_of(" \t\n\r");
+    if (start == std::string::npos) { return ""; }
+    auto end = token.find_last_not_of(" \t\n\r");
+    return token.substr(start, end - start + 1);
+}
+
+}  // namespace shardok
+
+#endif /* TokenAuthInterceptor_hpp */

src/main/cpp/net/eagle0/shardok/shardok_server_main.cpp

@@ -7,7 +7,9 @@
 //
 
 #include <cstddef>
+#include <fstream>
 #include <memory>
+#include <sstream>
 #include <thread>
 
 #include "src/main/cpp/net/eagle0/common/ProtobufWarningSuppression.hpp"
@@ -17,14 +19,16 @@ SUPPRESS_PROTOBUF_WARNINGS
 
 #include <execinfo.h>
 #include <grpcpp/channel.h>
+#include <grpcpp/security/server_credentials.h>
 #include <signal.h>
 #include <unistd.h>
 
 #pragma GCC diagnostic pop
 
-#include "server/EagleInterfaceGrpcServer.hpp"
-#include "server/ServerConfiguration.hpp"
-#include "server/ShardokGamesManager.hpp"
+#include "src/main/cpp/net/eagle0/shardok/server/EagleInterfaceGrpcServer.hpp"
+#include "src/main/cpp/net/eagle0/shardok/server/ServerConfiguration.hpp"
+#include "src/main/cpp/net/eagle0/shardok/server/ShardokGamesManager.hpp"
+#include "src/main/cpp/net/eagle0/shardok/server/TokenAuthInterceptor.hpp"
 
 using ::GameStatePersister;
 using shardok::EagleInterfaceImpl;
@@ -41,12 +45,15 @@ struct ServerThreadInfo {
 
 auto StartInThread(grpc::ServerBuilder *serverBuilder) -> ServerThreadInfo;
 
-auto CreateServerBuilder(const string &serverAddress) -> grpc::ServerBuilder *;
+auto CreateServerBuilder(const string &serverAddress, const string &certPath, const string &keyPath)
+        -> grpc::ServerBuilder *;
 
 auto CreateEagleInterfaceService(
         const std::shared_ptr<ServerConfiguration> &config,
         std::shared_ptr<ShardokGamesManager> shardokGamesManager) -> ServerThreadInfo;
 
+auto ReadFileContents(const string &path) -> string;
+
 void handler(const int sig) {
     void *array[10];
     size_t size;
@@ -82,11 +89,46 @@ auto main(const int argc, char **argv) -> int {
     eagleInterfaceInfo.thread.join();
 }
 
-auto CreateServerBuilder(const string &serverAddress) -> grpc::ServerBuilder * {
+auto ReadFileContents(const string &path) -> string {
+    std::ifstream file(path);
+    if (!file.is_open()) { return ""; }
+    std::stringstream buffer;
+    buffer << file.rdbuf();
+    return buffer.str();
+}
+
+auto CreateServerBuilder(const string &serverAddress, const string &certPath, const string &keyPath)
+        -> grpc::ServerBuilder * {
     auto *serverBuilder = new grpc::ServerBuilder;
 
-    const auto credentials = grpc::InsecureServerCredentials();
-    std::cout << "Creating insecure connection" << std::endl;
+    std::shared_ptr<grpc::ServerCredentials> credentials;
+
+    // Check if TLS is configured
+    if (!certPath.empty() && !keyPath.empty()) {
+        const string certContents = ReadFileContents(certPath);
+        const string keyContents = ReadFileContents(keyPath);
+
+        if (certContents.empty() || keyContents.empty()) {
+            std::cerr << "Error: Could not read TLS certificate or key file" << std::endl;
+            std::cerr << "  cert path: " << certPath << std::endl;
+            std::cerr << "  key path: " << keyPath << std::endl;
+            std::cerr << "Falling back to insecure connection" << std::endl;
+            credentials = grpc::InsecureServerCredentials();
+        } else {
+            grpc::SslServerCredentialsOptions::PemKeyCertPair keyCert;
+            keyCert.private_key = keyContents;
+            keyCert.cert_chain = certContents;
+
+            grpc::SslServerCredentialsOptions sslOpts;
+            sslOpts.pem_key_cert_pairs.push_back(keyCert);
+
+            credentials = grpc::SslServerCredentials(sslOpts);
+            std::cout << "TLS enabled with certificate from: " << certPath << std::endl;
+        }
+    } else {
+        credentials = grpc::InsecureServerCredentials();
+        std::cout << "Creating insecure connection (no TLS configured)" << std::endl;
+    }
 
     serverBuilder->AddListeningPort(serverAddress, credentials);
     return serverBuilder;
@@ -98,9 +140,19 @@ auto CreateEagleInterfaceService(
     const string eagleInterfaceServerAddress =
             config->stringForKey(ServerConfiguration::kEagleInterfaceGrpcAddress);
 
-    auto *eagleInterfaceServerBuilder = CreateServerBuilder(eagleInterfaceServerAddress);
+    // TLS configuration
+    const string certPath = config->stringForKey(ServerConfiguration::kSslCertPath);
+    const string keyPath = config->stringForKey(ServerConfiguration::kSslPrivateKeyPath);
 
-    const auto eagleInterfaceService = std::make_shared<EagleInterfaceImpl>(shardokGamesManager);
+    auto *eagleInterfaceServerBuilder =
+            CreateServerBuilder(eagleInterfaceServerAddress, certPath, keyPath);
+
+    // Auth token configuration
+    const string authTokenPath = config->stringForKey(ServerConfiguration::kAuthTokenPath);
+    const string authToken = shardok::ReadAuthTokenFromFile(authTokenPath);
+
+    const auto eagleInterfaceService =
+            std::make_shared<EagleInterfaceImpl>(shardokGamesManager, authToken);
     eagleInterfaceServerBuilder->RegisterService(eagleInterfaceService.get());
 
     ServerThreadInfo eagleInterfaceThreadInfo = StartInThread(eagleInterfaceServerBuilder);

src/main/csharp/net/eagle0/clients/unity/eagle0/Assembly-CSharp.csproj

@@ -68,6 +68,7 @@
     <Compile Include="Assets/Eagle/CommandSelectors/ResolveInvitationCommandSelector.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/Slider/SliderManager.cs" />
     <Compile Include="Assets/common/GUIUtils/TableRowHoverDetector.cs" />
+    <Compile Include="Assets/ConnectionHandler/DropGameConfirmationPanel.cs" />
     <Compile Include="Assets/Eagle/Table Rows/DynamicHeroTextUpdater.cs" />
     <Compile Include="Assets/Eagle/CommandSelectors/util/HeroDropdownController.cs" />
     <Compile Include="Assets/Eagle/Notifications/PrisonerReturnedNotificationGenerator.cs" />
@@ -109,6 +110,7 @@
     <Compile Include="Assets/Modern UI Pack/Scripts/UI Manager/UIManagerProgressBarLoopEditor.cs" />
     <Compile Include="Assets/Eagle/BattalionUtils.cs" />
     <Compile Include="Assets/Eagle/Table Rows/UnaffiliatedHeroRowController.cs" />
+    <Compile Include="Assets/Shardok/ArrowVolleyAnimator.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/Tooltip/TooltipContent.cs" />
     <Compile Include="Assets/Eagle/ConnectionCircuitBreaker.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/UI Manager/UIManagerHSelector.cs" />
@@ -125,6 +127,7 @@
     <Compile Include="Assets/Eagle/Notifications/Notification.cs" />
     <Compile Include="Assets/Eagle/Notifications/ARNNotifications/QuestFailedDetailsNotificationGenerator.cs" />
     <Compile Include="Assets/Eagle/Notifications/ARNNotifications/QuestFulfilledDetailsNotificationGenerator.cs" />
+    <Compile Include="Assets/Auth/OAuthManager.cs" />
     <Compile Include="Assets/Eagle/Notifications/ARNNotifications/ProfessionGainedDetailsNotificationGenerator.cs" />
     <Compile Include="Assets/Eagle/TextureList.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/Modal Window/ModalWindowManager.cs" />
@@ -146,6 +149,7 @@
     <Compile Include="Assets/Eagle/Notifications/ARNNotifications/ProvinceHeldDetailsNotificationGenerator.cs" />
     <Compile Include="Assets/Bluetooth/DieInfo.cs" />
     <Compile Include="Assets/common/ResourceFetcher.cs" />
+    <Compile Include="Assets/Auth/AuthClient.cs" />
     <Compile Include="Assets/Eagle/Notifications/ARNNotifications/TruceRejectedDetailsNotificationGenerator.cs" />
     <Compile Include="Assets/Eagle/Notifications/RiotSuppressedNotificationGenerator.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/Modal Window/ModalWindowManagerEditor.cs" />
@@ -153,6 +157,7 @@
     <Compile Include="Assets/Bluetooth/NativeDiceInterfaceImports.cs" />
     <Compile Include="Assets/Eagle/Notifications/ProvinceConqueredNotificationGenerator.cs" />
     <Compile Include="Assets/Eagle/Table Rows/ExtraTroopsRowController.cs" />
+    <Compile Include="Assets/Auth/JwtAuthInterceptor.cs" />
     <Compile Include="Assets/Eagle/CommandPanelController.cs" />
     <Compile Include="Assets/Eagle/Notifications/ARNNotifications/ShatteredArmyDetailsNotificationGenerator.cs" />
     <Compile Include="Assets/Shardok/TurnHistoryPanelController.cs" />
@@ -176,6 +181,7 @@
     <Compile Include="Assets/Shardok/Table Rows/ReserveRowController.cs" />
     <Compile Include="Assets/Eagle/Notifications/ARNNotifications/OutlawSpottedDetailsNotificationGenerator.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/Fixes/UIElementInFront.cs" />
+    <Compile Include="Assets/Shardok/MeleeAnimator.cs" />
     <Compile Include="Assets/ConnectionHandler/WaitingGameItem.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/Button/ButtonManagerBasicIcon.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/UI Manager/UIManagerSlider.cs" />
@@ -258,6 +264,7 @@
     <Compile Include="Assets/Eagle/CommandSelectors/ResolveTruceCommandSelector.cs" />
     <Compile Include="Assets/Eagle/ClientPregeneratedText.cs" />
     <Compile Include="Assets/Eagle/CommandSelectors/SwearBrotherhoodCommandSelector.cs" />
+    <Compile Include="Assets/Auth/TokenStorage.cs" />
     <Compile Include="Assets/Eagle/Table Rows/TableRowController.cs" />
     <Compile Include="Assets/Eagle/DisplayNames.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/UI Manager/UIManagerSliderEditor.cs" />
@@ -363,6 +370,7 @@
     <Compile Include="Assets/Eagle/Table Rows/AvailableHeroTableRow.cs" />
     <Compile Include="Assets/Eagle/Table Rows/HeroRowController.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/UI Manager/UIManagerTooltip.cs" />
+    <Compile Include="Assets/Eagle/Notifications/ARNNotifications/NewFactionHeadDetailsNotificationGenerator.cs" />
     <Compile Include="Assets/Shardok/HexGrid.cs" />
     <Compile Include="Assets/Modern UI Pack/Scripts/Tooltip/TooltipManager.cs" />
     <None Include="Assets/TextMesh Pro/Resources/Shaders/TMPro.cginc" />

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 683e069fbc3074e35ac6fc3881a03f4a
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth/AuthClient.cs

@@ -0,0 +1,192 @@
+using System;
+using System.Threading.Tasks;
+using Cysharp.Net.Http;
+using Grpc.Core;
+using Grpc.Core.Interceptors;
+using Grpc.Net.Client;
+using Net.Eagle0.Eagle.Api.Auth;
+using UnityEngine;
+using GrpcAuthClient = Net.Eagle0.Eagle.Api.Auth.Auth.AuthClient;
+
+namespace Auth {
+    /// <summary>
+    /// gRPC client for the Auth service.
+    /// Routes OAuth requests (GetOAuthUrl, CheckOAuthStatus, RefreshToken) to the Go auth service.
+    /// Routes user requests (SetDisplayName, GetCurrentUser, Logout) to Eagle.
+    /// </summary>
+    public class AuthClient : IDisposable {
+        private const int PollIntervalMs = 2000;   // Poll every 2 seconds
+        private const int PollTimeoutMs = 300000;  // 5 minute timeout
+
+        private readonly GrpcAuthClient _authServiceClient;  // Go auth service
+        private readonly GrpcAuthClient _eagleClient;        // Eagle server
+        private readonly GrpcChannel _authServiceChannel;
+        private readonly GrpcChannel _eagleChannel;
+
+        /// <summary>
+        /// Create auth client with separate channels for auth service and Eagle.
+        /// </summary>
+        /// <param name="authServiceUrl">Go auth service URL, e.g.
+        /// "https://prod.eagle0.net:40033"</param> <param name="eagleUrl">Eagle server URL, e.g.
+        /// "https://prod.eagle0.net:40032"</param>
+        public AuthClient(string authServiceUrl, string eagleUrl) {
+            // Auth service channel (no JWT needed for OAuth flow)
+            _authServiceChannel = GrpcChannel.ForAddress(
+                    authServiceUrl,
+                    new GrpcChannelOptions {
+                        HttpHandler = new YetAnotherHttpHandler { Http2Only = true },
+                        DisposeHttpClient = true
+                    });
+            _authServiceClient = new GrpcAuthClient(_authServiceChannel);
+
+            // Eagle channel with JWT interceptor for authenticated requests
+            _eagleChannel = GrpcChannel.ForAddress(
+                    eagleUrl,
+                    new GrpcChannelOptions {
+                        HttpHandler = new YetAnotherHttpHandler { Http2Only = true },
+                        DisposeHttpClient = true
+                    });
+            CallInvoker eagleInvoker = _eagleChannel.Intercept(new JwtAuthInterceptor());
+            _eagleClient = new GrpcAuthClient(eagleInvoker);
+
+            Debug.Log($"[AuthClient] Configured: authService={authServiceUrl}, eagle={eagleUrl}");
+        }
+
+        /// <summary>
+        /// Get OAuth URL to open in system browser.
+        /// Returns both the URL and the state token for polling.
+        /// Routed to Go auth service.
+        /// </summary>
+        /// <param name="provider">Discord or Google</param>
+        /// <returns>Tuple of (URL to open in browser, state token for polling)</returns>
+        public async Task<(string authUrl, string state)> GetOAuthUrlAsync(OAuthProvider provider) {
+            var request = new GetOAuthUrlRequest { Provider = provider };
+
+            var response = await _authServiceClient.GetOAuthUrlAsync(request);
+
+            Debug.Log($"[AuthClient] Got OAuth URL for {provider}, state={response.State}");
+            return (response.AuthUrl, response.State);
+        }
+
+        /// <summary>
+        /// Poll for OAuth completion. Blocks until success, failure, or timeout.
+        /// The server handles the OAuth callback and token exchange.
+        /// Routed to Go auth service.
+        /// </summary>
+        /// <param name="state">State token from GetOAuthUrlAsync</param>
+        /// <returns>Response with tokens and user info on success</returns>
+        public async Task<CheckOAuthStatusResponse> PollForOAuthCompletionAsync(string state) {
+            var startTime = DateTime.UtcNow;
+
+            while (true) {
+                var request = new CheckOAuthStatusRequest { State = state };
+                var response = await _authServiceClient.CheckOAuthStatusAsync(request);
+
+                switch (response.Status) {
+                    case OAuthStatus.Success:
+                        Debug.Log(
+                                $"[AuthClient] OAuth successful, user={response.User?.DisplayName}, isNew={response.IsNewUser}");
+                        return response;
+
+                    case OAuthStatus.Failed:
+                        throw new Exception($"OAuth failed: {response.ErrorMessage}");
+
+                    case OAuthStatus.Expired:
+                        throw new Exception("OAuth session expired. Please try again.");
+
+                    case OAuthStatus.Pending:
+                        // Check timeout
+                        if ((DateTime.UtcNow - startTime).TotalMilliseconds > PollTimeoutMs) {
+                            throw new TimeoutException("OAuth login timed out. Please try again.");
+                        }
+                        // Wait before polling again
+                        await Task.Delay(PollIntervalMs);
+                        break;
+
+                    default: throw new Exception($"Unknown OAuth status: {response.Status}");
+                }
+            }
+        }
+
+        /// <summary>
+        /// Refresh access token using stored refresh token.
+        /// Routed to Go auth service.
+        /// </summary>
+        /// <returns>New access token and expiry, or null if refresh failed</returns>
+        public async Task<RefreshTokenResponse> RefreshTokenAsync() {
+            var refreshToken = TokenStorage.RefreshToken;
+            if (string.IsNullOrEmpty(refreshToken)) {
+                throw new InvalidOperationException("No refresh token available");
+            }
+
+            var request = new RefreshTokenRequest { RefreshToken = refreshToken };
+
+            var response = await _authServiceClient.RefreshTokenAsync(request);
+
+            // Update stored access token
+            TokenStorage.UpdateAccessToken(response.AccessToken, response.ExpiresAt);
+
+            Debug.Log($"[AuthClient] Token refreshed, expires at {response.ExpiresAt}");
+            return response;
+        }
+
+        /// <summary>
+        /// Set display name for new users.
+        /// Requires valid JWT in interceptor.
+        /// Routed to Eagle.
+        /// </summary>
+        public async Task<SetDisplayNameResponse> SetDisplayNameAsync(string displayName) {
+            var request = new SetDisplayNameRequest { DisplayName = displayName };
+            var response = await _eagleClient.SetDisplayNameAsync(request);
+
+            if (response.Success) {
+                TokenStorage.UpdateDisplayName(displayName);
+                // Update the access token with the new one that has updated displayName claim
+                if (!string.IsNullOrEmpty(response.AccessToken)) {
+                    // Token expires in 7 days from now
+                    var expiresAt = DateTimeOffset.UtcNow.AddDays(7).ToUnixTimeSeconds();
+                    TokenStorage.UpdateAccessToken(response.AccessToken, expiresAt);
+                    Debug.Log($"[AuthClient] Display name set to: {displayName}, token updated");
+                } else {
+                    Debug.Log($"[AuthClient] Display name set to: {displayName}");
+                }
+            } else {
+                Debug.LogWarning(
+                        $"[AuthClient] Failed to set display name: {response.ErrorMessage}");
+            }
+
+            return response;
+        }
+
+        /// <summary>
+        /// Get current user info. Validates the stored JWT.
+        /// Routed to Eagle.
+        /// </summary>
+        public async Task<GetCurrentUserResponse> GetCurrentUserAsync() {
+            var response = await _eagleClient.GetCurrentUserAsync(new GetCurrentUserRequest());
+            Debug.Log($"[AuthClient] Current user: {response.User?.DisplayName}");
+            return response;
+        }
+
+        /// <summary>
+        /// Logout - invalidates refresh token on server.
+        /// Routed to Eagle.
+        /// </summary>
+        public async Task LogoutAsync() {
+            try {
+                await _eagleClient.LogoutAsync(new LogoutRequest());
+            } catch (Exception ex) {
+                Debug.LogWarning($"[AuthClient] Logout RPC failed (may be expected): {ex.Message}");
+            }
+
+            // Clear local tokens regardless of server response
+            TokenStorage.Clear();
+            Debug.Log("[AuthClient] Logged out, tokens cleared");
+        }
+
+        public void Dispose() {
+            _authServiceChannel?.Dispose();
+            _eagleChannel?.Dispose();
+        }
+    }
+}

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth/AuthClient.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 4ba94126c2d2145b8875612eaf5bc371

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth/JwtAuthInterceptor.cs

@@ -0,0 +1,75 @@
+using System;
+using Grpc.Core;
+using Grpc.Core.Interceptors;
+
+namespace Auth {
+    /// <summary>
+    /// gRPC interceptor that attaches JWT Bearer token to requests.
+    /// Reads token from TokenStorage on each request.
+    /// </summary>
+    public class JwtAuthInterceptor : Interceptor {
+        private const string HeaderName = "Authorization";
+
+        private string GetBearerHeader() {
+            var token = TokenStorage.AccessToken;
+            return string.IsNullOrEmpty(token) ? null : $"Bearer {token}";
+        }
+
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(
+                TRequest request,
+                ClientInterceptorContext<TRequest, TResponse> context,
+                BlockingUnaryCallContinuation<TRequest, TResponse> continuation) {
+            return continuation(request, ContextWithHeaders(context));
+        }
+
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(
+                TRequest request,
+                ClientInterceptorContext<TRequest, TResponse> context,
+                AsyncUnaryCallContinuation<TRequest, TResponse> continuation) {
+            return continuation(request, ContextWithHeaders(context));
+        }
+
+        public override AsyncServerStreamingCall<TResponse>
+        AsyncServerStreamingCall<TRequest, TResponse>(
+                TRequest request,
+                ClientInterceptorContext<TRequest, TResponse> context,
+                AsyncServerStreamingCallContinuation<TRequest, TResponse> continuation) {
+            return continuation(request, ContextWithHeaders(context));
+        }
+
+        public override AsyncClientStreamingCall<TRequest, TResponse>
+        AsyncClientStreamingCall<TRequest, TResponse>(
+                ClientInterceptorContext<TRequest, TResponse> context,
+                AsyncClientStreamingCallContinuation<TRequest, TResponse> continuation) {
+            return continuation(ContextWithHeaders(context));
+        }
+
+        public override AsyncDuplexStreamingCall<TRequest, TResponse>
+        AsyncDuplexStreamingCall<TRequest, TResponse>(
+                ClientInterceptorContext<TRequest, TResponse> context,
+                AsyncDuplexStreamingCallContinuation<TRequest, TResponse> continuation) {
+            return continuation(ContextWithHeaders(context));
+        }
+
+        private ClientInterceptorContext<TRequest, TResponse>
+        ContextWithHeaders<TRequest, TResponse>(
+                ClientInterceptorContext<TRequest, TResponse> original)
+                where TRequest : class
+                where TResponse : class {
+            var bearerHeader = GetBearerHeader();
+            if (string.IsNullOrEmpty(bearerHeader)) {
+                // No token available - return original context
+                // Auth service endpoints don't require token
+                return original;
+            }
+
+            var headers = new Metadata();
+            headers.Add(HeaderName, bearerHeader);
+
+            return new ClientInterceptorContext<TRequest, TResponse>(
+                    original.Method,
+                    original.Host,
+                    original.Options.WithHeaders(headers));
+        }
+    }
+}

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth/JwtAuthInterceptor.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 8528d8ee967e042ecb2a5e8285c425e0

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth/OAuthManager.cs

@@ -0,0 +1,193 @@
+using System;
+using System.Threading.Tasks;
+using Net.Eagle0.Eagle.Api.Auth;
+using UnityEngine;
+
+namespace Auth {
+    /// <summary>
+    /// Manages OAuth authentication flow using server-mediated polling:
+    /// - Opens system browser for OAuth consent
+    /// - Polls server for OAuth completion (no deep links needed)
+    /// - Token storage and refresh
+    /// </summary>
+    public class OAuthManager : MonoBehaviour {
+        public static OAuthManager Instance { get; private set; }
+
+        private AuthClient _authClient;
+        private string _currentAuthServiceUrl;
+        private string _currentEagleUrl;
+
+        // Events for UI updates
+        public event Action<UserInfo> OnLoginSuccess;
+        public event Action<string> OnLoginFailed;
+        public event Action OnLogout;
+        public event Action<bool> OnNewUserNeedsDisplayName;  // true if new user
+
+        public bool IsAuthenticated => TokenStorage.HasValidToken;
+        public string DisplayName => TokenStorage.DisplayName;
+        public string UserId => TokenStorage.UserId;
+
+        private void Awake() {
+            if (Instance != null && Instance != this) {
+                Destroy(gameObject);
+                return;
+            }
+
+            Instance = this;
+            DontDestroyOnLoad(gameObject);
+
+            // Initialize TokenStorage cache from PlayerPrefs on main thread
+            // This allows background threads to access tokens safely
+            TokenStorage.InitializeCache();
+
+            // AuthClient is created lazily when SetServerUrls is called
+        }
+
+        /// <summary>
+        /// Set the server URLs for OAuth and game requests. Call this before any OAuth operations.
+        /// </summary>
+        /// <param name="authServiceUrl">Go auth service URL, e.g.
+        /// "https://prod.eagle0.net:40033"</param> <param name="eagleUrl">Eagle server URL, e.g.
+        /// "https://prod.eagle0.net:40032"</param>
+        public void SetServerUrls(string authServiceUrl, string eagleUrl) {
+            if (_currentAuthServiceUrl == authServiceUrl && _currentEagleUrl == eagleUrl &&
+                _authClient != null) {
+                return;  // Already configured for these URLs
+            }
+
+            _authClient?.Dispose();
+            _currentAuthServiceUrl = authServiceUrl;
+            _currentEagleUrl = eagleUrl;
+            _authClient = new AuthClient(authServiceUrl, eagleUrl);
+            Debug.Log($"[OAuthManager] Configured: authService={authServiceUrl}, eagle={eagleUrl}");
+        }
+
+        private void OnDestroy() {
+            _authClient?.Dispose();
+            if (Instance == this) { Instance = null; }
+        }
+
+        private void EnsureConfigured() {
+            if (_authClient == null) {
+                throw new InvalidOperationException(
+                        "OAuthManager not configured. Call SetServerUrls() first.");
+            }
+        }
+
+        /// <summary>
+        /// Start OAuth login with specified provider.
+        /// Opens system browser for user consent, then polls for completion.
+        /// </summary>
+        public async Task<CheckOAuthStatusResponse> LoginAsync(OAuthProvider provider) {
+            EnsureConfigured();
+            try {
+                // Get OAuth URL and state from server
+                var (authUrl, state) = await _authClient.GetOAuthUrlAsync(provider);
+
+                // Open system browser
+                Debug.Log($"[OAuthManager] Opening browser: {authUrl}");
+                Application.OpenURL(authUrl);
+
+                // Poll for OAuth completion (server handles the callback)
+                var response = await _authClient.PollForOAuthCompletionAsync(state);
+
+                // Store tokens
+                TokenStorage.StoreTokens(
+                        response.AccessToken,
+                        response.RefreshToken,
+                        response.ExpiresAt,
+                        response.User.UserId,
+                        response.User.DisplayName ?? "");
+
+                // Notify listeners
+                if (response.IsNewUser) {
+                    OnNewUserNeedsDisplayName?.Invoke(true);
+                } else {
+                    OnLoginSuccess?.Invoke(response.User);
+                }
+
+                return response;
+            } catch (Exception ex) {
+                Debug.LogError($"[OAuthManager] Login failed: {ex.Message}");
+                OnLoginFailed?.Invoke(ex.Message);
+                throw;
+            }
+        }
+
+        /// <summary>
+        /// Set display name for new user after OAuth.
+        /// </summary>
+        public async Task<bool> SetDisplayNameAsync(string displayName) {
+            EnsureConfigured();
+            var response = await _authClient.SetDisplayNameAsync(displayName);
+
+            if (response.Success) { OnLoginSuccess?.Invoke(response.User); }
+
+            return response.Success;
+        }
+
+        /// <summary>
+        /// Try to restore session from stored tokens.
+        /// Returns true if valid session exists.
+        /// Must call SetServerUrls() before this method.
+        /// </summary>
+        public async Task<bool> TryRestoreSessionAsync() {
+            if (_authClient == null) {
+                Debug.Log("[OAuthManager] Not configured yet, skipping session restore");
+                return false;
+            }
+
+            if (!TokenStorage.HasValidToken && !TokenStorage.HasRefreshToken) {
+                Debug.Log("[OAuthManager] No stored session");
+                return false;
+            }
+
+            // If token is expired but we have refresh token, try to refresh
+            if (!TokenStorage.HasValidToken && TokenStorage.HasRefreshToken) {
+                try {
+                    await _authClient.RefreshTokenAsync();
+                } catch (Exception ex) {
+                    Debug.LogWarning($"[OAuthManager] Token refresh failed: {ex.Message}");
+                    TokenStorage.Clear();
+                    return false;
+                }
+            }
+
+            // Validate session with server
+            try {
+                var response = await _authClient.GetCurrentUserAsync();
+                Debug.Log($"[OAuthManager] Session restored for {response.User.DisplayName}");
+                OnLoginSuccess?.Invoke(response.User);
+                return true;
+            } catch (Exception ex) {
+                Debug.LogWarning($"[OAuthManager] Session validation failed: {ex.Message}");
+                TokenStorage.Clear();
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Refresh access token if needed.
+        /// Call this before making API requests.
+        /// </summary>
+        public async Task EnsureValidTokenAsync() {
+            EnsureConfigured();
+            if (TokenStorage.NeedsRefresh && TokenStorage.HasRefreshToken) {
+                await _authClient.RefreshTokenAsync();
+            }
+        }
+
+        /// <summary>
+        /// Logout and clear stored tokens.
+        /// </summary>
+        public async Task LogoutAsync() {
+            // LogoutAsync can work even without server connection - just clear local tokens
+            if (_authClient != null) {
+                await _authClient.LogoutAsync();
+            } else {
+                TokenStorage.Clear();
+            }
+            OnLogout?.Invoke();
+        }
+    }
+}

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth/OAuthManager.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 0e9d5b0cb9f26477eaf26e8a09c41707

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Auth/TokenStorage.cs

@@ -0,0 +1,176 @@
+using System;
+using UnityEngine;
+
+namespace Auth {
+    /// <summary>
+    /// Secure storage for OAuth tokens using Unity's PlayerPrefs.
+    /// Values are cached in memory to allow access from background threads.
+    /// In production, consider using platform-specific secure storage
+    /// (Keychain on iOS, Keystore on Android).
+    /// </summary>
+    public static class TokenStorage {
+        private const string AccessTokenKey = "eagle0_access_token";
+        private const string RefreshTokenKey = "eagle0_refresh_token";
+        private const string ExpiresAtKey = "eagle0_expires_at";
+        private const string UserIdKey = "eagle0_user_id";
+        private const string DisplayNameKey = "eagle0_display_name";
+
+        // In-memory cache for thread-safe access from background threads
+        // PlayerPrefs can only be accessed from the main thread
+        private static string _cachedAccessToken;
+        private static string _cachedRefreshToken;
+        private static long _cachedExpiresAt;
+        private static string _cachedUserId;
+        private static string _cachedDisplayName;
+        private static bool _cacheInitialized = false;
+
+        /// <summary>
+        /// Initialize cache from PlayerPrefs. Must be called from main thread.
+        /// Call this early in app startup (e.g., in Awake or Start).
+        /// </summary>
+        public static void InitializeCache() {
+            _cachedAccessToken = PlayerPrefs.GetString(AccessTokenKey, null);
+            _cachedRefreshToken = PlayerPrefs.GetString(RefreshTokenKey, null);
+            _cachedExpiresAt =
+                    long.TryParse(PlayerPrefs.GetString(ExpiresAtKey, "0"), out var val) ? val : 0;
+            _cachedUserId = PlayerPrefs.GetString(UserIdKey, null);
+            _cachedDisplayName = PlayerPrefs.GetString(DisplayNameKey, null);
+            _cacheInitialized = true;
+
+            Debug.Log(
+                    $"[TokenStorage] Cache initialized, hasToken={!string.IsNullOrEmpty(_cachedAccessToken)}");
+        }
+
+        public static bool HasValidToken {
+            get {
+                var token = AccessToken;
+                var expiresAt = ExpiresAt;
+                return !string.IsNullOrEmpty(token) &&
+                       expiresAt > DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+            }
+        }
+
+        public static bool HasRefreshToken => !string.IsNullOrEmpty(RefreshToken);
+
+        public static string AccessToken {
+            get {
+                if (!_cacheInitialized) {
+                    Debug.LogWarning(
+                            "[TokenStorage] Cache not initialized, returning cached value anyway");
+                }
+                return _cachedAccessToken;
+            }
+        private
+            set {
+                _cachedAccessToken = value;
+                PlayerPrefs.SetString(AccessTokenKey, value ?? "");
+            }
+        }
+
+        public static string RefreshToken {
+            get => _cachedRefreshToken;
+        private
+            set {
+                _cachedRefreshToken = value;
+                PlayerPrefs.SetString(RefreshTokenKey, value ?? "");
+            }
+        }
+
+        public static long ExpiresAt {
+            get => _cachedExpiresAt;
+        private
+            set {
+                _cachedExpiresAt = value;
+                PlayerPrefs.SetString(ExpiresAtKey, value.ToString());
+            }
+        }
+
+        public static string UserId {
+            get => _cachedUserId;
+        private
+            set {
+                _cachedUserId = value;
+                PlayerPrefs.SetString(UserIdKey, value ?? "");
+            }
+        }
+
+        public static string DisplayName {
+            get => _cachedDisplayName;
+        private
+            set {
+                _cachedDisplayName = value;
+                PlayerPrefs.SetString(DisplayNameKey, value ?? "");
+            }
+        }
+
+        /// <summary>
+        /// Store tokens received from OAuth exchange.
+        /// </summary>
+        public static void StoreTokens(
+                string accessToken,
+                string refreshToken,
+                long expiresAt,
+                string userId,
+                string displayName) {
+            AccessToken = accessToken;
+            RefreshToken = refreshToken;
+            ExpiresAt = expiresAt;
+            UserId = userId;
+            DisplayName = displayName;
+            PlayerPrefs.Save();
+
+            Debug.Log(
+                    $"[TokenStorage] Stored tokens for user {displayName} (expires at {expiresAt})");
+        }
+
+        /// <summary>
+        /// Update access token after refresh.
+        /// </summary>
+        public static void UpdateAccessToken(string accessToken, long expiresAt) {
+            AccessToken = accessToken;
+            ExpiresAt = expiresAt;
+            PlayerPrefs.Save();
+
+            Debug.Log($"[TokenStorage] Updated access token (expires at {expiresAt})");
+        }
+
+        /// <summary>
+        /// Update display name after user sets it.
+        /// </summary>
+        public static void UpdateDisplayName(string displayName) {
+            DisplayName = displayName;
+            PlayerPrefs.Save();
+        }
+
+        /// <summary>
+        /// Clear all stored tokens (logout).
+        /// </summary>
+        public static void Clear() {
+            _cachedAccessToken = null;
+            _cachedRefreshToken = null;
+            _cachedExpiresAt = 0;
+            _cachedUserId = null;
+            _cachedDisplayName = null;
+
+            PlayerPrefs.DeleteKey(AccessTokenKey);
+            PlayerPrefs.DeleteKey(RefreshTokenKey);
+            PlayerPrefs.DeleteKey(ExpiresAtKey);
+            PlayerPrefs.DeleteKey(UserIdKey);
+            PlayerPrefs.DeleteKey(DisplayNameKey);
+            PlayerPrefs.Save();
+
+            Debug.Log("[TokenStorage] Cleared all tokens");
+        }
+
+        /// <summary>
+        /// Check if token needs refresh (expires within 5 minutes).
+        /// </summary>
+        public static bool NeedsRefresh {
+            get {
+                var expiresAt = ExpiresAt;
+                var now = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+                return expiresAt > 0 && expiresAt - now < 300;  // 5 minutes
+            }
+        }
+    }
+}

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+  m_MinWidth: 700
+  m_MinHeight: -1
+  m_PreferredWidth: 700
+  m_PreferredHeight: -1
+  m_FlexibleWidth: 1
+  m_FlexibleHeight: -1
+  m_LayoutPriority: 1

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/ConnectionHandler/AvailableGameItem.cs

@@ -16,8 +16,10 @@ public class AvailableGameItem : MonoBehaviour {
     public TextMeshProUGUI playerCountField;
     public Button joinButton;
     public TextMeshProUGUI buttonText;
+    public Button dropButton;
 
     public Action<long, string> JoinCallback;
+    public Action<long> DropCallback;
 
     private List<AvailableLeader> availableLeaders;
     private long gameId;
@@ -38,6 +40,8 @@ public class AvailableGameItem : MonoBehaviour {
 
     public void JoinClicked() { JoinCallback(gameId, SelectedLeaderTextId); }
 
+    public void DropClicked() { DropCallback?.Invoke(gameId); }
+
     public void
     SetAvailableNewGame(long gameId, string playersString, List<AvailableLeader> leaders) {
         availableLeaders = leaders;

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/ConnectionHandler/ConnectionHandler.cs

@@ -7,15 +7,18 @@ using System.Net.Http.Headers;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using Auth;
 using common;
 using common.GUIUtils;
 using eagle;
 using Grpc.Core;
 using Grpc.Core.Interceptors;
 using Net.Eagle0.Eagle.Api;
+using Net.Eagle0.Eagle.Api.Auth;
 using TMPro;
 using UnityEngine;
 using UnityEngine.SceneManagement;
+using UnityEngine.UI;
 using Object = System.Object;
 
 public class AuthInterceptor : Interceptor {
@@ -82,6 +85,23 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
     public TMP_InputField passwordField;
     public TMP_Dropdown resolutionDropdown;
 
+    [Header("OAuth UI")]
+    public GameObject oauthPanel;
+    public Button discordLoginButton;
+    public Button googleLoginButton;
+    public TextMeshProUGUI oauthStatusText;
+
+    [Header("Display Name Setup")]
+    public GameObject displayNamePanel;
+    public TMP_InputField displayNameField;
+    public Button setDisplayNameButton;
+    public TextMeshProUGUI displayNameErrorText;
+
+    [Header("Legacy Auth (for testing)")]
+    public GameObject legacyAuthPanel;
+    public Button useLegacyAuthButton;
+    public TextMeshProUGUI useLegacyAuthButtonText;
+
     [Header("Status Display")]
     public TextMeshProUGUI connectionStatusText;
 
@@ -90,6 +110,13 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
     public GameObject customBattlePanel;
     public ErrorHandler errorHandler;
 
+    [Header("Lobby Controls")]
+    public Button logoutButton;
+    public Button customBattleButton;
+    public Button cancelCustomBattleButton;
+    public TextMeshProUGUI lobbyEnvironmentText;
+    public TextMeshProUGUI lobbyUserText;
+
     public GameObject runningGamesListArea;
     public GameObject runningGamesListItemPrefab;
 
@@ -98,6 +125,8 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
     public GameObject waitingGamesListItemPrefab;
     public GameObject createGameListItemPrefab;
 
+    public DropGameConfirmationPanel dropGameConfirmationPanel;
+
     public Canvas connectionCanvas;
     public Canvas eagleCanvas;
     public Canvas shardokCanvas;
@@ -112,6 +141,8 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
     private bool listen = false;
     private CancellationTokenSource _cancellationTokenSource;
     private readonly Object pendingReplyLock = new Object();
+    private int _connectedEnvironmentIndex = -1;  // -1 means not connected
+    private bool _useOAuth = false;  // Default to legacy until server-side OAuth is ready
 
     public ClientPregeneratedText clientPregeneratedText;
 
@@ -125,12 +156,33 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
     private static readonly List<string> EnvironmentDisplayNames =
             new() { "prod.", "qa.", "(none)" };
 
+    /// <summary>
+    /// Returns the connected environment name ("prod." or "qa.") or null if not connected.
+    /// </summary>
+    public string ConnectedEnvironmentName =>
+            _connectedEnvironmentIndex >= 0 &&
+                            _connectedEnvironmentIndex < EnvironmentDisplayNames.Count
+                    ? EnvironmentDisplayNames[_connectedEnvironmentIndex]
+                    : null;
+
     private string GetUrlFromEnvironment() {
         int envIndex = environmentDropdown.value;
         string prefix = EnvironmentOptions[envIndex];
         return prefix + BaseDomain;
     }
 
+    /// <summary>
+    /// Get full URL with scheme for the selected environment (Eagle server).
+    /// Remote servers use HTTPS, could be extended for local HTTP.
+    /// </summary>
+    private string GetEagleUrl() { return "https://" + GetUrlFromEnvironment(); }
+
+    /// <summary>
+    /// Get full URL with scheme for the Go auth service.
+    /// Always uses prod auth service - OAuth tokens work across all environments.
+    /// </summary>
+    private string GetAuthServiceUrl() { return "https://prod.eagle0.net:40033"; }
+
     public void ReceiveLobbyUpdate(LobbyResponse lobbyResponse) {
         _handleLobbyResponse(lobbyResponse);
     }
@@ -166,8 +218,218 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
 
         errorHandler.gameObject.SetActive(true);
 
+        // Initialize OAuth UI
+        SetupOAuthUI();
+
+        // Initialize Lobby UI (logout button, etc.)
+        SetupLobbyUI();
+
         // Initialize status text
         UpdateConnectionStatus();
+
+        // Try to restore existing OAuth session
+        TryRestoreSession();
+    }
+
+    private void SetupOAuthUI() {
+        // Set up OAuth button click handlers
+        if (discordLoginButton != null) {
+            discordLoginButton.onClick.AddListener(
+                    () => OnOAuthLoginClicked(OAuthProvider.Discord));
+        }
+        if (googleLoginButton != null) {
+            googleLoginButton.onClick.AddListener(() => OnOAuthLoginClicked(OAuthProvider.Google));
+        }
+        if (setDisplayNameButton != null) {
+            setDisplayNameButton.onClick.AddListener(OnSetDisplayNameClicked);
+        }
+        if (useLegacyAuthButton != null) {
+            useLegacyAuthButton.onClick.AddListener(OnUseLegacyAuthClicked);
+        }
+
+        // Subscribe to OAuthManager events
+        if (OAuthManager.Instance != null) {
+            OAuthManager.Instance.OnLoginSuccess += OnOAuthLoginSuccess;
+            OAuthManager.Instance.OnLoginFailed += OnOAuthLoginFailed;
+            OAuthManager.Instance.OnNewUserNeedsDisplayName += OnNewUserNeedsDisplayName;
+            OAuthManager.Instance.OnLogout += OnOAuthLogout;
+        }
+
+        // Show appropriate panel based on auth state
+        ShowAuthPanel();
+    }
+
+    private void ShowAuthPanel() {
+        // Hide all auth panels first
+        if (oauthPanel != null) oauthPanel.SetActive(false);
+        if (displayNamePanel != null) displayNamePanel.SetActive(false);
+        if (legacyAuthPanel != null) legacyAuthPanel.SetActive(false);
+
+        // Show appropriate panel based on _useOAuth
+        if (_useOAuth) {
+            if (oauthPanel != null) oauthPanel.SetActive(true);
+            if (useLegacyAuthButtonText != null)
+                useLegacyAuthButtonText.text = "Use Classic Sign-in";
+        } else {
+            if (legacyAuthPanel != null) legacyAuthPanel.SetActive(true);
+            if (useLegacyAuthButtonText != null) useLegacyAuthButtonText.text = "Use OAuth Sign-in";
+        }
+    }
+
+    private void SetupLobbyUI() {
+        if (logoutButton != null) { logoutButton.onClick.AddListener(OnLogoutClicked); }
+        if (customBattleButton != null) { customBattleButton.onClick.AddListener(CustomBattle); }
+        if (cancelCustomBattleButton != null) {
+            cancelCustomBattleButton.onClick.AddListener(CancelCustomBattle);
+        }
+    }
+
+    private void UpdateLobbyStatusDisplays() {
+        // Show environment (prod/qa)
+        if (lobbyEnvironmentText != null) {
+            lobbyEnvironmentText.text = ConnectedEnvironmentName ?? "";
+        }
+
+        // Show current user - prefer OAuth display name, fall back to classic login name
+        if (lobbyUserText != null) {
+            if (_useOAuth && !string.IsNullOrEmpty(TokenStorage.DisplayName)) {
+                lobbyUserText.text = TokenStorage.DisplayName;
+            } else {
+                lobbyUserText.text = nameField.text;
+            }
+        }
+    }
+
+    private async void OnLogoutClicked() {
+        Debug.Log("[ConnectionHandler] Logout button clicked");
+
+        // Clear OAuth tokens
+        if (OAuthManager.Instance != null) { await OAuthManager.Instance.LogoutAsync(); }
+
+        // Disconnect from server
+        _persistentClientConnection?.Dispose();
+        eagleConnection?.Dispose();
+        _httpClient?.Dispose();
+        _cancellationTokenSource?.Dispose();
+
+        _persistentClientConnection = null;
+        eagleConnection = null;
+        _httpClient = null;
+        _cancellationTokenSource = null;
+        _connectedEnvironmentIndex = -1;
+
+        // Return to connection screen
+        gameSelectionPanel.SetActive(false);
+        connectionPanel.SetActive(true);
+
+        // Re-initialize the auth UI
+        ShowAuthPanel();
+        UpdateConnectionStatus();
+    }
+
+    private async void TryRestoreSession() {
+        if (OAuthManager.Instance == null) return;
+
+        // Configure OAuthManager with auth service and Eagle URLs
+        OAuthManager.Instance.SetServerUrls(GetAuthServiceUrl(), GetEagleUrl());
+
+        if (oauthStatusText != null) { oauthStatusText.text = "Checking for existing session..."; }
+
+        var restored = await OAuthManager.Instance.TryRestoreSessionAsync();
+        if (restored) {
+            // Session restored, connect to lobby
+            ConnectWithOAuth();
+        } else if (oauthStatusText != null) {
+            oauthStatusText.text = "";
+        }
+    }
+
+    private async void OnOAuthLoginClicked(OAuthProvider provider) {
+        // Configure OAuthManager with auth service and Eagle URLs (user may have changed dropdown)
+        OAuthManager.Instance.SetServerUrls(GetAuthServiceUrl(), GetEagleUrl());
+
+        if (oauthStatusText != null) {
+            oauthStatusText.text = $"Opening browser for {provider} login...";
+        }
+
+        try {
+            await OAuthManager.Instance.LoginAsync(provider);
+            // OnLoginSuccess or OnNewUserNeedsDisplayName will be called
+        } catch (Exception ex) {
+            Debug.LogError($"OAuth login failed: {ex.Message}");
+            if (oauthStatusText != null) { oauthStatusText.text = $"Login failed: {ex.Message}"; }
+        }
+    }
+
+    private void OnOAuthLoginSuccess(UserInfo user) {
+        MainQueue.Q.Enqueue(() => {
+            if (oauthStatusText != null) { oauthStatusText.text = $"Welcome, {user.DisplayName}!"; }
+            ConnectWithOAuth();
+        });
+    }
+
+    private void OnOAuthLoginFailed(string error) {
+        MainQueue.Q.Enqueue(() => {
+            if (oauthStatusText != null) { oauthStatusText.text = $"Login failed: {error}"; }
+        });
+    }
+
+    private void OnNewUserNeedsDisplayName(bool isNewUser) {
+        MainQueue.Q.Enqueue(() => {
+            // Show display name panel
+            if (oauthPanel != null) oauthPanel.SetActive(false);
+            if (displayNamePanel != null) displayNamePanel.SetActive(true);
+            if (displayNameErrorText != null) displayNameErrorText.text = "";
+        });
+    }
+
+    private async void OnSetDisplayNameClicked() {
+        if (displayNameField == null || OAuthManager.Instance == null) return;
+
+        var displayName = displayNameField.text.Trim();
+        if (string.IsNullOrEmpty(displayName)) {
+            if (displayNameErrorText != null) {
+                displayNameErrorText.text = "Please enter a display name";
+            }
+            return;
+        }
+
+        if (displayNameErrorText != null) { displayNameErrorText.text = "Setting display name..."; }
+
+        var success = await OAuthManager.Instance.SetDisplayNameAsync(displayName);
+        if (!success && displayNameErrorText != null) {
+            displayNameErrorText.text = "Name already taken or invalid. Try another.";
+        }
+        // OnLoginSuccess will be called if successful
+    }
+
+    private void OnOAuthLogout() {
+        MainQueue.Q.Enqueue(() => {
+            ShowAuthPanel();
+            if (oauthStatusText != null) { oauthStatusText.text = ""; }
+        });
+    }
+
+    private void OnUseLegacyAuthClicked() {
+        _useOAuth = !_useOAuth;  // Toggle instead of just setting false
+
+        if (_useOAuth) {
+            // Show OAuth panel
+            if (oauthPanel != null) oauthPanel.SetActive(true);
+            if (legacyAuthPanel != null) legacyAuthPanel.SetActive(false);
+            if (useLegacyAuthButtonText != null)
+                useLegacyAuthButtonText.text = "Use Classic Sign-in";
+        } else {
+            // Show legacy panel
+            if (oauthPanel != null) oauthPanel.SetActive(false);
+            if (legacyAuthPanel != null) legacyAuthPanel.SetActive(true);
+            if (useLegacyAuthButtonText != null) useLegacyAuthButtonText.text = "Use OAuth Sign-in";
+        }
+    }
+
+    private void ConnectWithOAuth() {
+        _useOAuth = true;
+        _internalConnectEagle();
     }
 
     private float _statusUpdateTimer = 0f;
@@ -245,6 +507,14 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
 
     public void CustomBattle() { _internalCustomBattle(); }
 
+    public void CancelCustomBattle() {
+        customBattlePanel.SetActive(false);
+        shardokCanvas.gameObject.SetActive(false);
+        connectionCanvas.gameObject.SetActive(true);
+        gameSelectionPanel.SetActive(true);
+        StartListeningForLobbyUpdates();
+    }
+
     public void OnApplicationQuit() { Dispose(); }
 
     public void Dispose() {
@@ -262,6 +532,8 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
         _persistentClientConnection = null;
         eagleConnection?.Dispose();
         eagleConnection = null;
+
+        _connectedEnvironmentIndex = -1;
     }
 
     public void OnResolutionChanged(int dropdownIndex) {
@@ -289,6 +561,9 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
             connectionPanel.gameObject.SetActive(false);
             gameSelectionPanel.gameObject.SetActive(true);
 
+            // Update lobby status displays
+            UpdateLobbyStatusDisplays();
+
             // Set up running games table
             foreach (Transform row in runningGamesListArea.transform) { Destroy(row.gameObject); }
             foreach (var runningGame in lobbyResponse.RunningGames) {
@@ -297,10 +572,10 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
                         runningGamesListArea.transform,
                         true);
                 listItem.transform.localScale = new Vector3 { x = 1.0f, y = 1.0f, z = 1.0f };
-                listItem.GetComponent<RunningGameItem>().SetRunningGame(
-                        runningGame.GameId,
-                        runningGame.Leader);
-                listItem.GetComponent<RunningGameItem>().GoCallback = this.SelectEagleGame;
+                var runningGameItem = listItem.GetComponent<RunningGameItem>();
+                runningGameItem.SetRunningGame(runningGame.GameId, runningGame.Leader);
+                runningGameItem.GoCallback = this.SelectEagleGame;
+                runningGameItem.DropCallback = this.DropGame;
             }
 
             // Set up available/waiting games table
@@ -336,14 +611,16 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
                         availableGamesListArea.transform,
                         true);
                 listItem.transform.localScale = new Vector3 { x = 1.0f, y = 1.0f, z = 1.0f };
-                listItem.GetComponent<AvailableGameItem>().SetAvailableNewGame(
+                var availableGameItem = listItem.GetComponent<AvailableGameItem>();
+                availableGameItem.SetAvailableNewGame(
                         availableGame.GameId,
                         string.Format(
                                 "{0} / {1}",
                                 availableGame.CurrentHumanPlayerCount,
                                 availableGame.MaxHumanPlayerCount),
                         availableGame.AvailableLeaders.ToList());
-                listItem.GetComponent<AvailableGameItem>().JoinCallback = this.JoinGame;
+                availableGameItem.JoinCallback = this.JoinGame;
+                availableGameItem.DropCallback = this.DropGame;
             }
         });
     }
@@ -357,7 +634,8 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
     }
 
     private void _createConnection() {
-        PlayerPrefs.SetInt(EnvironmentKey, environmentDropdown.value);
+        _connectedEnvironmentIndex = environmentDropdown.value;
+        PlayerPrefs.SetInt(EnvironmentKey, _connectedEnvironmentIndex);
         PlayerPrefs.SetString(NameKey, nameField.text);
         PlayerPrefs.SetString(PasswordKey, passwordField.text);
 
@@ -371,7 +649,26 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
         _cancellationTokenSource = new CancellationTokenSource();
 
         string url = GetUrlFromEnvironment();
-        eagleConnection = new EagleConnection(nameField.text, passwordField.text, url);
+
+        if (_useOAuth && TokenStorage.HasValidToken) {
+            // Use JWT-based connection
+            eagleConnection = EagleConnection.CreateWithJwt(url);
+
+            _httpClient = new HttpClient();
+            _httpClient.DefaultRequestHeaders.Authorization =
+                    new AuthenticationHeaderValue("Bearer", TokenStorage.AccessToken);
+        } else {
+            // Legacy Basic Auth connection
+            PlayerPrefs.SetString(NameKey, nameField.text);
+            PlayerPrefs.SetString(PasswordKey, passwordField.text);
+
+            eagleConnection = new EagleConnection(nameField.text, passwordField.text, url);
+
+            _httpClient = new HttpClient();
+            _httpClient.DefaultRequestHeaders.Authorization =
+                    new AuthenticationHeaderValue("Basic", eagleConnection.authHeader);
+        }
+
         _persistentClientConnection = new PersistentClientConnection(
                 eagleConnection.EagleGrpcClient,
                 eagleConnection.credentials,
@@ -379,20 +676,16 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
         _persistentClientConnection.Connect();
 
         errorHandler.PersistentClientConnection = _persistentClientConnection;
-
-        _httpClient = new HttpClient();
-        _httpClient.DefaultRequestHeaders.Authorization =
-                new AuthenticationHeaderValue("Basic", eagleConnection.authHeader);
         ResourceFetcher.SetUpConnection(_httpClient);
     }
 
     private void _internalCustomBattle() {
-        _createConnection();
+        // Connection already exists when called from lobby
         _persistentClientConnection.SetLobbySubscriber(this);
 
         SetCustomBattleActive(true);
 
-        connectionPanel.SetActive(false);
+        gameSelectionPanel.SetActive(false);
         customBattlePanel.SetActive(true);
     }
 
@@ -440,6 +733,18 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
         var game = _internalJoinEagleGame(gameId, leaderName);
     }
 
+    private void DropGame(long gameId) {
+        if (dropGameConfirmationPanel != null) {
+            dropGameConfirmationPanel.OnConfirm = ConfirmDropGame;
+            dropGameConfirmationPanel.Show(gameId, "Are you sure you want to leave this game?");
+        } else {
+            // Fallback if no confirmation panel is configured
+            ConfirmDropGame(gameId);
+        }
+    }
+
+    private void ConfirmDropGame(long gameId) { _internalDropGame(gameId); }
+
     private void CreateGame(string leaderNameTextId, int humanPlayerCount, int totalPlayerCount) {
         var game = _internalCreateGame(leaderNameTextId, humanPlayerCount, totalPlayerCount);
     }
@@ -516,6 +821,18 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
         }
     }
 
+    private async Task<bool> _internalDropGame(long gameId) {
+        try {
+            return await _persistentClientConnection.SendUpdateStreamRequestAsync(
+                    new UpdateStreamRequest {
+                        DropGameRequest = new DropGameRequest { GameId = gameId }
+                    });
+        } catch (WebException e) {
+            Debug.Log(String.Format("Caught exception in DropGame {0}", e.Message));
+            return false;
+        }
+    }
+
     private void SetLobbyActive(bool active) {
         runningGamesListArea.SetActive(active);
         availableGamesListArea.SetActive(active);
@@ -533,7 +850,8 @@ public class ConnectionHandler : MonoBehaviour, ILobbySubscriber, IDisposable {
             eagleCanvas.GetComponent<EagleGameController>().SetUpGame(
                     gameInfo.GameId,
                     gameInfo.FactionId,
-                    _persistentClientConnection);
+                    _persistentClientConnection,
+                    ConnectedEnvironmentName);
             connectionCanvas.enabled = false;
             connectionCanvas.gameObject.SetActive(false);
             eagleCanvas.gameObject.SetActive(true);

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/ConnectionHandler/DropGameConfirmationPanel.cs

@@ -0,0 +1,24 @@
+using System;
+using TMPro;
+using UnityEngine;
+
+public class DropGameConfirmationPanel : MonoBehaviour {
+    public TextMeshProUGUI messageText;
+
+    public Action<long> OnConfirm;
+
+    private long _pendingGameId;
+
+    public void Show(long gameId, string message) {
+        _pendingGameId = gameId;
+        if (messageText != null) { messageText.text = message; }
+        gameObject.SetActive(true);
+    }
+
+    public void ConfirmClicked() {
+        gameObject.SetActive(false);
+        OnConfirm?.Invoke(_pendingGameId);
+    }
+
+    public void CancelClicked() { gameObject.SetActive(false); }
+}

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/ConnectionHandler/DropGameConfirmationPanel.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 558d4c7321daa4fe18dc4759a130d919

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/ConnectionHandler/Running Game prefab.prefab

@@ -29,9 +29,9 @@ RectTransform:
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 909271087739711220}
-  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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   m_AnchorMax: {x: 0, y: 0}
@@ -105,20 +105,23 @@ MonoBehaviour:
   m_VerticalAlignment: 512
   m_textAlignment: 65535
   m_characterSpacing: 0
+  m_characterHorizontalScale: 1
   m_wordSpacing: 0
   m_lineSpacing: 0
   m_lineSpacingMax: 0
   m_paragraphSpacing: 0
   m_charWidthMaxAdj: 0
-  m_enableWordWrapping: 1
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   m_linkedTextComponent: {fileID: 0}
   parentLinkedComponent: {fileID: 0}
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+  m_ActiveFontFeatures: 6e72656b
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   m_isRichText: 1
+  m_EmojiFallbackSupport: 1
   m_parseCtrlCharacters: 1
   m_isOrthographic: 1
   m_isCullingEnabled: 0
@@ -185,9 +188,9 @@ RectTransform:
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 909271087739711220}
-  m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 0, y: 0}
@@ -261,20 +264,23 @@ MonoBehaviour:
   m_VerticalAlignment: 512
   m_textAlignment: 65535
   m_characterSpacing: 0
+  m_characterHorizontalScale: 1
   m_wordSpacing: 0
   m_lineSpacing: 0
   m_lineSpacingMax: 0
   m_paragraphSpacing: 0
   m_charWidthMaxAdj: 0
-  m_enableWordWrapping: 1
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   m_overflowMode: 0
   m_linkedTextComponent: {fileID: 0}
   parentLinkedComponent: {fileID: 0}
   m_enableKerning: 1
+  m_ActiveFontFeatures: 6e72656b
   m_enableExtraPadding: 0
   checkPaddingRequired: 0
   m_isRichText: 1
+  m_EmojiFallbackSupport: 1
   m_parseCtrlCharacters: 1
   m_isOrthographic: 1
   m_isCullingEnabled: 0
@@ -312,6 +318,216 @@ MonoBehaviour:
   m_FlexibleWidth: 1
   m_FlexibleHeight: -1
   m_LayoutPriority: 1
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+  - component: {fileID: 3344684898730655831}
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+  m_Name: spacer
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
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+  m_CorrespondingSourceObject: {fileID: 0}
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+  m_PrefabAsset: {fileID: 0}
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@@ -340,9 +556,9 @@ RectTransform:
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   m_LocalScale: {x: 1, y: 1, z: 1}
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@@ -416,20 +632,23 @@ MonoBehaviour:
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+  m_characterHorizontalScale: 1
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   m_lineSpacing: 0
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   m_charWidthMaxAdj: 0
-  m_enableWordWrapping: 1
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+  m_EmojiFallbackSupport: 1
   m_parseCtrlCharacters: 1
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@@ -479,10 +698,10 @@ RectTransform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
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   m_AnchorMax: {x: 0, y: 0}
@@ -560,6 +779,7 @@ MonoBehaviour:
     atime6: 0
     atime7: 0
     m_Mode: 0
+    m_ColorSpace: -1
     m_NumColorKeys: 2
     m_NumAlphaKeys: 2
   _gradientType: 0
@@ -702,12 +922,14 @@ RectTransform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
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+  - {fileID: 1348356180262758599}
+  - {fileID: 7336928442537586311}
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@@ -793,7 +1015,8 @@ MonoBehaviour:
   item: {fileID: 5643565463360785033}
   gameIdField: {fileID: 8058295588038032232}
   leaderField: {fileID: 3311450659768657245}
-  goButton: {fileID: 0}
+  goButton: {fileID: 145214844678457394}
+  dropButton: {fileID: 4081637582368108930}
 --- !u!114 &2208043217657811503
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   m_ObjectHideFlags: 0
@@ -814,3 +1037,75 @@ MonoBehaviour:
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src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/ConnectionHandler/RunningGameItem.cs

@@ -10,8 +10,10 @@ public class RunningGameItem : MonoBehaviour {
     public TextMeshProUGUI gameIdField;
     public TextMeshProUGUI leaderField;
     public Button goButton;
+    public Button dropButton;
 
     public Action<long> GoCallback;
+    public Action<long> DropCallback;
 
     private long gameId;
 
@@ -20,6 +22,8 @@ public class RunningGameItem : MonoBehaviour {
 
     public void GoClicked() { GoCallback(gameId); }
 
+    public void DropClicked() { DropCallback?.Invoke(gameId); }
+
     public void SetRunningGame(long gameId, AvailableLeader leader) {
         this.gameId = gameId;
 

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/79066358-stock-illustration-raster-illustration-medieval-purse-bag-for-gold-and-stack-of-golden-coins-brown-leather-bag-icon.jpg.meta

@@ -1,88 +0,0 @@
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src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/CommandSelectors/ImproveCommandSelector.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using EagleGUIUtils;
@@ -6,6 +6,7 @@ using Net.Eagle0.Eagle.Api;
 using Net.Eagle0.Eagle.Common;
 using Net.Eagle0.Eagle.Views;
 using TMPro;
+using UnityEngine;
 using UnityEngine.UI;
 
 namespace eagle {
@@ -14,16 +15,44 @@ namespace eagle {
 
     public class ImproveCommandSelector : CommandSelector {
         public HeroDropdownController heroDropdownController;
-        public TMP_Dropdown typeDropdown;
         public Toggle lockToggle;
 
+        // Toggle buttons for each improvement type (assign to same ToggleGroup in Unity)
+        public Toggle economyToggle;
+        public Toggle agricultureToggle;
+        public Toggle infrastructureToggle;
+        public Toggle devastationToggle;
+        public ToggleGroup improvementToggleGroup;
+
+        // Labels showing type name and value
+        public TMP_Text economyLabel;
+        public TMP_Text agricultureLabel;
+        public TMP_Text infrastructureLabel;
+        public TMP_Text devastationLabel;
+
         List<HeroView> orderedHeroes;
 
-        private int SelectedTypeIndex => typeDropdown.value;
         private ImproveAvailableCommand ImproveAvailableCommand => _availableCommand.ImproveCommand;
         private ProvinceId ActingProvinceId => ImproveAvailableCommand.ActingProvinceId;
-        private ImprovementType SelectedType =>
-                ImproveAvailableCommand.AvailableTypes[SelectedTypeIndex];
+
+        private ImprovementType SelectedType {
+            get {
+                if (economyToggle != null && economyToggle.isOn && economyToggle.interactable)
+                    return ImprovementType.Economy;
+                if (agricultureToggle != null && agricultureToggle.isOn &&
+                    agricultureToggle.interactable)
+                    return ImprovementType.Agriculture;
+                if (infrastructureToggle != null && infrastructureToggle.isOn &&
+                    infrastructureToggle.interactable)
+                    return ImprovementType.Infrastructure;
+                if (devastationToggle != null && devastationToggle.isOn &&
+                    devastationToggle.interactable)
+                    return ImprovementType.Devastation;
+
+                // Fallback: return first available type
+                return ImproveAvailableCommand.AvailableTypes.FirstOrDefault();
+            }
+        }
 
         private float OriginalImprovementValueForType(ImprovementType type) {
             var province = _model.Provinces[ActingProvinceId];
@@ -57,60 +86,142 @@ namespace eagle {
             }
         }
 
-        private int MinimumImprovementIndex(ProvinceView province) {
-            var minIndex = 0;
-            float minValue =
-                    OriginalImprovementValueForType(ImproveAvailableCommand.AvailableTypes[0]);
+        private ImprovementType GetMinimumImprovementType() {
+            ImprovementType minType = ImproveAvailableCommand.AvailableTypes[0];
+            float minValue = OriginalImprovementValueForType(minType);
             for (int i = 1; i < ImproveAvailableCommand.AvailableTypes.Count; i++) {
-                float thisVal =
-                        OriginalImprovementValueForType(ImproveAvailableCommand.AvailableTypes[i]);
+                var thisType = ImproveAvailableCommand.AvailableTypes[i];
+                float thisVal = OriginalImprovementValueForType(thisType);
                 if (thisVal < minValue) {
-                    minIndex = i;
+                    minType = thisType;
                     minValue = thisVal;
                 }
             }
-            return minIndex;
+            return minType;
         }
 
-        private void ChooseDefaultImprovement(ProvinceView province) {
-            var devastationIndex =
-                    ImproveAvailableCommand.AvailableTypes.IndexOf(ImprovementType.Devastation);
-            if (devastationIndex == -1) {
-                typeDropdown.value = MinimumImprovementIndex(province);
+        private ImprovementType GetDefaultImprovementType() {
+            // Prefer devastation if available
+            if (ImproveAvailableCommand.AvailableTypes.Contains(ImprovementType.Devastation)) {
+                return ImprovementType.Devastation;
+            }
+
+            // Otherwise pick the lowest stat
+            return GetMinimumImprovementType();
+        }
+
+        private Toggle GetToggleForType(ImprovementType type) {
+            switch (type) {
+                case ImprovementType.Economy: return economyToggle;
+                case ImprovementType.Agriculture: return agricultureToggle;
+                case ImprovementType.Infrastructure: return infrastructureToggle;
+                case ImprovementType.Devastation: return devastationToggle;
+                default: return null;
+            }
+        }
+
+        private TMP_Text GetLabelForType(ImprovementType type) {
+            switch (type) {
+                case ImprovementType.Economy: return economyLabel;
+                case ImprovementType.Agriculture: return agricultureLabel;
+                case ImprovementType.Infrastructure: return infrastructureLabel;
+                case ImprovementType.Devastation: return devastationLabel;
+                default: return null;
+            }
+        }
+
+        private void SelectType(ImprovementType type) {
+            // Turn on the selected toggle - ToggleGroup handles turning off others
+            var toggle = GetToggleForType(type);
+            if (toggle != null && toggle.interactable) { toggle.isOn = true; }
+        }
+
+        private const float DisabledAlpha = 0.35f;
+
+        private void ConfigureToggle(ImprovementType type, bool available) {
+            var toggle = GetToggleForType(type);
+            var label = GetLabelForType(type);
+
+            if (toggle == null) return;
+
+            // Always show the toggle, but disable if not available
+            toggle.gameObject.SetActive(true);
+            toggle.interactable = available;
+
+            // Turn off unavailable toggles so they don't appear selected
+            if (!available) { toggle.isOn = false; }
+
+            // Only add to toggle group if available
+            toggle.group = available ? improvementToggleGroup : null;
+
+            // Gray out unavailable toggles using CanvasGroup
+            var canvasGroup = toggle.GetComponent<CanvasGroup>();
+            if (canvasGroup == null) {
+                canvasGroup = toggle.gameObject.AddComponent<CanvasGroup>();
+            }
+            canvasGroup.alpha = available ? 1f : DisabledAlpha;
+
+            // Always show label with current value
+            if (label != null) { label.text = LabelStringForType(type); }
+        }
+
+        private string LabelStringForType(ImprovementType type) {
+            var originalStat =
+                    type == ImprovementType.Devastation
+                            ? ProvinceStatUtils.RoundedDevastation(
+                                      OriginalImprovementValueForType(type))
+                            : ProvinceStatUtils.RoundedStat(OriginalImprovementValueForType(type));
+            if (type == ImprovementType.Devastation) {
+                return GUIUtils.ColoredString(Color.red, originalStat.ToString());
+            }
+            var devastatedStat =
+                    ProvinceStatUtils.RoundedStat(EffectiveImprovementValueForType(type));
+            if (devastatedStat == originalStat) {
+                return $"{devastatedStat}";
             } else {
-                typeDropdown.value = devastationIndex;
+                return $"{GUIUtils.ColoredString(Color.red, devastatedStat.ToString())} / {originalStat}";
             }
         }
 
         protected override void SetUpUI() {
-            var province = _model.Provinces[ImproveAvailableCommand.ActingProvinceId];
             var improveCommand = ImproveAvailableCommand;
 
-            typeDropdown.ClearOptions();
-
             orderedHeroes = ImproveAvailableCommand.AvailableHeroIds.Select(id => _model.Heroes[id])
                                     .ToList();
             heroDropdownController.AvailableHeroes = orderedHeroes;
-
             heroDropdownController.SelectedHeroId = improveCommand.RecommendedHeroId;
 
-            typeDropdown.AddOptions(
-                    improveCommand.AvailableTypes.Select(DropdownStringForType).ToList());
+            // Configure each toggle based on available types
+            ConfigureToggle(
+                    ImprovementType.Economy,
+                    improveCommand.AvailableTypes.Contains(ImprovementType.Economy));
+            ConfigureToggle(
+                    ImprovementType.Agriculture,
+                    improveCommand.AvailableTypes.Contains(ImprovementType.Agriculture));
+            ConfigureToggle(
+                    ImprovementType.Infrastructure,
+                    improveCommand.AvailableTypes.Contains(ImprovementType.Infrastructure));
+            ConfigureToggle(
+                    ImprovementType.Devastation,
+                    improveCommand.AvailableTypes.Contains(ImprovementType.Devastation));
 
+            // Determine which type to select
+            ImprovementType selectedType;
             if (improveCommand.LockedType != ImprovementType.None) {
                 var lockedType = improveCommand.LockedType;
-                var lockedTypeIndex = improveCommand.AvailableTypes.IndexOf(lockedType);
-                if (lockedTypeIndex > -1) {
-                    typeDropdown.value = lockedTypeIndex;
+                if (improveCommand.AvailableTypes.Contains(lockedType)) {
+                    selectedType = lockedType;
                     lockToggle.isOn = true;
                 } else {
-                    ChooseDefaultImprovement(province);
+                    selectedType = GetDefaultImprovementType();
                     lockToggle.isOn = false;
                 }
             } else {
-                ChooseDefaultImprovement(province);
+                selectedType = GetDefaultImprovementType();
                 lockToggle.isOn = false;
             }
+
+            SelectType(selectedType);
         }
 
         public override AvailableCommand.SealedValueOneofCase CommandType =>
@@ -137,23 +248,5 @@ namespace eagle {
                         LockType = lockToggle.isOn
                     }
         };
-
-        private string DropdownStringForType(ImprovementType type) {
-            var originalStat =
-                    type == ImprovementType.Devastation
-                            ? ProvinceStatUtils.RoundedDevastation(
-                                      OriginalImprovementValueForType(type))
-                            : ProvinceStatUtils.RoundedStat(OriginalImprovementValueForType(type));
-            if (type == ImprovementType.Devastation) {
-                return $"{type} ({GUIUtils.ColoredString(UnityEngine.Color.red, originalStat.ToString())})";
-            }
-            var devastatedStat =
-                    ProvinceStatUtils.RoundedStat(EffectiveImprovementValueForType(type));
-            if (devastatedStat == originalStat) {
-                return $"{type} ({devastatedStat})";
-            } else {
-                return $"{type} ({GUIUtils.ColoredString(UnityEngine.Color.red, devastatedStat.ToString())} / {originalStat})";
-            }
-        }
     }
-}
+}

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/ConnectionStatusUI.cs

@@ -26,6 +26,10 @@ namespace eagle {
         private TextMeshProUGUI _textComponent;
         private PersistentClientConnection _connection;
         private IGameStateProvider _gameStateProvider;
+        private string _environmentName;
+
+        [Tooltip("Optional text component to display connected environment (prod/qa)")]
+        public TextMeshProUGUI environmentIndicatorText;
 
         [Tooltip("Optional button to force immediate reconnection when server is down")]
         public Button retryButton;
@@ -64,6 +68,15 @@ namespace eagle {
             _gameStateProvider = provider;
         }
 
+        /// <summary>
+        /// Set the environment name to display (e.g., "prod." or "qa.").
+        /// Pass null to clear the indicator.
+        /// </summary>
+        public void SetEnvironment(string environmentName) {
+            _environmentName = environmentName;
+            UpdateEnvironmentIndicator();
+        }
+
         void Update() {
             if (_connection == null || _textComponent == null) { return; }
 
@@ -165,5 +178,20 @@ namespace eagle {
         private void OnRetryClicked() {
             if (_connection != null) { _connection.ForceReconnect(); }
         }
+
+        private void UpdateEnvironmentIndicator() {
+            if (environmentIndicatorText == null) return;
+
+            if (string.IsNullOrEmpty(_environmentName)) {
+                environmentIndicatorText.text = "";
+                return;
+            }
+
+            // Color prod green, qa yellow
+            environmentIndicatorText.text =
+                    _environmentName switch { "prod." => $"<color=green>{_environmentName}</color>",
+                                              "qa." => $"<color=yellow>{_environmentName}</color>",
+                                              _ => _environmentName };
+        }
     }
 }

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/Discord-Logo-Blurple.png.meta

@@ -1,9 +1,9 @@
 fileFormatVersion: 2
-guid: aa2fcd8d8f12d4218aa9ee793adfe434
+guid: 1fb1f6deb68f9475281c9f7c427a7024
 TextureImporter:
   internalIDToNameTable: []
   externalObjects: {}
-  serializedVersion: 12
+  serializedVersion: 13
   mipmaps:
     mipMapMode: 0
     enableMipMap: 1
@@ -20,11 +20,12 @@ TextureImporter:
     externalNormalMap: 0
     heightScale: 0.25
     normalMapFilter: 0
+    flipGreenChannel: 0
   isReadable: 0
   streamingMipmaps: 0
   streamingMipmapsPriority: 0
   vTOnly: 0
-  ignoreMasterTextureLimit: 0
+  ignoreMipmapLimit: 0
   grayScaleToAlpha: 0
   generateCubemap: 6
   cubemapConvolution: 0
@@ -62,10 +63,11 @@ TextureImporter:
   compressionQualitySet: 0
   textureFormatSet: 0
   ignorePngGamma: 0
-  applyGammaDecoding: 1
-  cookieLightType: 1
+  applyGammaDecoding: 0
+  swizzle: 50462976
+  cookieLightType: 0
   platformSettings:
-  - serializedVersion: 3
+  - serializedVersion: 4
     buildTarget: DefaultTexturePlatform
     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -75,9 +77,10 @@ TextureImporter:
     crunchedCompression: 0
     allowsAlphaSplitting: 0
     overridden: 0
+    ignorePlatformSupport: 0
     androidETC2FallbackOverride: 0
     forceMaximumCompressionQuality_BC6H_BC7: 0
-  - serializedVersion: 3
+  - serializedVersion: 4
     buildTarget: Standalone
     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -87,24 +90,14 @@ TextureImporter:
     crunchedCompression: 0
     allowsAlphaSplitting: 0
     overridden: 0
-    androidETC2FallbackOverride: 0
-    forceMaximumCompressionQuality_BC6H_BC7: 0
-  - serializedVersion: 3
-    buildTarget: Server
-    maxTextureSize: 2048
-    resizeAlgorithm: 0
-    textureFormat: -1
-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
-    allowsAlphaSplitting: 0
-    overridden: 0
+    ignorePlatformSupport: 0
     androidETC2FallbackOverride: 0
     forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
     serializedVersion: 2
     sprites: []
     outline: []
+    customData: 
     physicsShape: []
     bones: []
     spriteID: 
@@ -114,10 +107,11 @@ TextureImporter:
     edges: []
     weights: []
     secondaryTextures: []
+    spriteCustomMetadata:
+      entries: []
     nameFileIdTable: {}
-  spritePackingTag: 
+  mipmapLimitGroupName: 
   pSDRemoveMatte: 0
-  pSDShowRemoveMatteOption: 0
   userData: 
   assetBundleName: 
   assetBundleVariant: 

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/EagleGameController.cs

@@ -243,7 +243,8 @@ namespace eagle {
         public void SetUpGame(
                 long gameId,
                 int? playerId,
-                PersistentClientConnection persistentClientConnection) {
+                PersistentClientConnection persistentClientConnection,
+                string environmentName = null) {
             ModelUpdater = new GameModelUpdater(
                     gameId,
                     playerId,
@@ -269,9 +270,12 @@ namespace eagle {
 
             ModelUpdater.ErrorHandler = errorHandler;
 
-            // Set up game state provider for connection status UI
+            // Set up game state provider and environment for connection status UI
             var statusUI = connectionStatusLabel.GetComponent<ConnectionStatusUI>();
-            if (statusUI != null) { statusUI.SetGameStateProvider(ModelUpdater); }
+            if (statusUI != null) {
+                statusUI.SetGameStateProvider(ModelUpdater);
+                statusUI.SetEnvironment(environmentName);
+            }
 
             // Fire-and-forget - subscription is awaited internally and failures are logged
             MainQueue.Q.EnqueueForNextUpdate(

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/EagleGameModel.cs

@@ -311,20 +311,36 @@ namespace eagle {
                     // Store server-reported game status for UI
                     if (updateItem.ActionResultResponse.ServerGameStatus != null) {
                         ServerStatus = updateItem.ActionResultResponse.ServerGameStatus;
+                        _connectionLogger.LogLine(
+                                $"[UPDATE] ServerGameStatus updated: {ServerStatus.Status}");
                     }
 
                     // Note: _lastUnfilteredResultCount is updated on the gRPC thread in
                     // UpdateResultCounts() before enqueueing. We don't update it here to avoid
                     // race conditions where a backlogged MainQueue update overwrites a newer count.
 
-                    if (updateItem.ActionResultResponse.ActionResultViews.Any() ||
-                        updateItem.ActionResultResponse.AvailableCommands == null ||
-                        updateItem.ActionResultResponse.AvailableCommands.Token !=
-                                _currentModel.CommandToken) {
+                    var hasResults = updateItem.ActionResultResponse.ActionResultViews.Any();
+                    var hasCommands = updateItem.ActionResultResponse.AvailableCommands != null;
+                    var incomingToken =
+                            hasCommands ? updateItem.ActionResultResponse.AvailableCommands.Token
+                                        : -1;
+                    var tokenMatches = hasCommands && incomingToken == _currentModel.CommandToken;
+
+                    _connectionLogger.LogLine(
+                            $"[UPDATE] hasResults={hasResults}, hasCommands={hasCommands}, " +
+                            $"incomingToken={incomingToken}, currentToken={_currentModel.CommandTokenString}, " +
+                            $"tokenMatches={tokenMatches}");
+
+                    if (hasResults || !hasCommands || !tokenMatches) {
                         HandleUpdates(updateItem.ActionResultResponse.ActionResultViews.ToList());
                         HandleAvailableCommands(updateItem.ActionResultResponse.AvailableCommands);
 
                         if (UpdateAction != null) UpdateAction.Invoke(_currentModel);
+                        _connectionLogger.LogLine(
+                                "[UPDATE] Processed update and invoked UpdateAction");
+                    } else {
+                        _connectionLogger.LogLine(
+                                "[UPDATE] SKIPPED - no results, has commands, token matches");
                     }
 
                     break;
@@ -332,6 +348,10 @@ namespace eagle {
                 case GameUpdate.GameUpdateDetailsOneofCase.ShardokActionResultResponse:
                     var specResponse = updateItem.ShardokActionResultResponse.ShardokGameResponses;
 
+                    // Collect ended games to remove AFTER the UI callback, so the UI
+                    // can see the final battle results before the models are removed.
+                    var endedGames = new List<ShardokGameId>();
+
                     foreach (var oneResponse in specResponse) {
                         if (!_currentModel.ShardokGameModels.TryGetValue(
                                     oneResponse.ShardokGameId,
@@ -372,14 +392,22 @@ namespace eagle {
                             _currentModel.ShardokGameModels[oneResponse.ShardokGameId] =
                                     shardokGameModel;
                         } else {
-                            // Game ended - remove from active models so UI knows battle is over
-                            _currentModel.ShardokGameModels.TryRemove(
-                                    oneResponse.ShardokGameId,
-                                    out _);
-                            _shardokResultCounts.TryRemove(oneResponse.ShardokGameId, out _);
+                            // Game ended - keep model for UI callback, mark for removal after
+                            _currentModel.ShardokGameModels[oneResponse.ShardokGameId] =
+                                    shardokGameModel;
+                            endedGames.Add(oneResponse.ShardokGameId);
                         }
                     }
+
+                    // Invoke UI callback BEFORE removing ended games, so the UI can
+                    // see the final battle results (with GameStatus = Victory/Defeat)
                     if (UpdateAction != null) UpdateAction.Invoke(_currentModel);
+
+                    // Now remove ended games from active models
+                    foreach (var endedGameId in endedGames) {
+                        _currentModel.ShardokGameModels.TryRemove(endedGameId, out _);
+                        _shardokResultCounts.TryRemove(endedGameId, out _);
+                    }
                     break;
 
                 case GameUpdate.GameUpdateDetailsOneofCase.StreamingTextResponse:
@@ -405,9 +433,14 @@ namespace eagle {
         public void UpdateResultCounts(GameUpdate update) {
             switch (update.GameUpdateDetailsCase) {
                 case GameUpdate.GameUpdateDetailsOneofCase.ActionResultResponse:
+                    var newCount = update.ActionResultResponse.UnfilteredResultCountAfter;
                     lock (_resultCountLock) {
-                        _lastUnfilteredResultCount =
-                                update.ActionResultResponse.UnfilteredResultCountAfter;
+                        var oldCount = _lastUnfilteredResultCount;
+                        _lastUnfilteredResultCount = newCount;
+                        if (newCount != oldCount) {
+                            _connectionLogger.LogLine(
+                                    $"[RESULT_COUNT] Updated count {oldCount} -> {newCount}");
+                        }
                     }
                     break;
 
@@ -481,13 +514,22 @@ namespace eagle {
             _connectionLogger.LogLine(
                     $"[STATE_RESYNC] timestamp={timestamp} round={startingState.CurrentRoundId} factions={startingState.Factions.Count} heroes={startingState.Heroes.Count}");
 
+            // Clear all stale state before applying new starting state.
+            // This handles rewind/reset scenarios where the server sends an earlier state.
+            _currentModel.ShardokGameModels.Clear();
+            _shardokResultCounts.Clear();
+            _shardokNeedsResync.Clear();
+            _currentModel.CommandToken = null;
+            _currentModel.LastPostedToken = -1;
+            _currentModel.AvailableCommandsByProvince.Clear();
+            _commandSubmittedTime = null;
+
             _currentModel.GsView = startingState;
             _currentModel.BattalionTypes =
                     startingState.BattalionTypes.ToDictionary(bt => bt.TypeId, bt => bt);
             _currentModel.ChronicleEntries = startingState.ChronicleEntries.ToList();
 
-            // For any outstanding battles not in ShardokGameModels, create models and mark for
-            // resync. This ensures fresh clients get Shardok state for ongoing battles.
+            // For any outstanding battles in the new state, create models and mark for resync.
             bool needsResubscribe = false;
             foreach (var battle in _currentModel.ShardokBattles) {
                 if (!_currentModel.ShardokGameModels.ContainsKey(battle.ShardokGameId)) {

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/Notifications/ARNNotifications/NewFactionHeadDetailsNotificationGenerator.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: e9afdd2068b294a29993f07b379eb9c3

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/Notifications/ARNNotifications/PrisonerExecutedDetailsNotificationGenerator.cs

@@ -36,10 +36,10 @@ namespace eagle.Notifications.ARNNotifications {
                             $"{DisplayNames.ResolvedFactionString(lastFaction, currentModel)}'s hero {{HeroName}}";
                 }
 
-                textTemplate = $"{executingFactionName} has executed {victimDescription}!";
+                textTemplate = $"{executingFactionName} has executed {victimDescription}!\n\n";
                 heroPlaceholders["HeroName"] = (hero.NameTextId, "the hero");
             } else {
-                textTemplate = $"{executingFactionName} has executed {{ExecutedHero}}!";
+                textTemplate = $"{executingFactionName} has executed {{ExecutedHero}}!\n\n";
                 heroPlaceholders["ExecutedHero"] = (hero.NameTextId, "the prisoner");
             }
 

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/OAuth Buttons.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: e661753a1e43a4f2da81b76457cf55c8
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/OAuth Buttons/Discord-Logo-Blurple.png.meta

@@ -1,9 +1,9 @@
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+guid: 8d524cd6fa08d47c99b2462c2686b8d0
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   internalIDToNameTable: []
   externalObjects: {}
-  serializedVersion: 10
+  serializedVersion: 13
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@@ -20,9 +20,12 @@ TextureImporter:
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     heightScale: 0.25
     normalMapFilter: 0
+    flipGreenChannel: 0
   isReadable: 0
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   streamingMipmapsPriority: 0
+  vTOnly: 0
+  ignoreMipmapLimit: 0
   grayScaleToAlpha: 0
   generateCubemap: 6
   cubemapConvolution: 0
@@ -31,13 +34,13 @@ TextureImporter:
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   textureSettings:
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-    aniso: -1
-    mipBias: -100
-    wrapU: -1
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-    wrapW: -1
-  nPOTScale: 2
+    filterMode: 1
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+    wrapU: 0
+    wrapV: 0
+    wrapW: 0
+  nPOTScale: 1
   lightmap: 0
   compressionQuality: 50
   spriteMode: 0
@@ -54,11 +57,17 @@ TextureImporter:
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   singleChannelComponent: 0
+  flipbookRows: 1
+  flipbookColumns: 1
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+  cookieLightType: 0
   platformSettings:
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+  - serializedVersion: 4
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     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -68,8 +77,10 @@ TextureImporter:
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     allowsAlphaSplitting: 0
     overridden: 0
+    ignorePlatformSupport: 0
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+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 4
     buildTarget: Standalone
     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -79,33 +90,14 @@ TextureImporter:
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     overridden: 0
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-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
-    allowsAlphaSplitting: 0
-    overridden: 0
-    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
     serializedVersion: 2
     sprites: []
     outline: []
+    customData: 
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     bones: []
     spriteID: 
@@ -115,9 +107,11 @@ TextureImporter:
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-  spritePackingTag: 
+    spriteCustomMetadata:
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-  pSDShowRemoveMatteOption: 0
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src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/OAuth Buttons/web_neutral_rd_SI@4x.png.meta

@@ -1,9 +1,9 @@
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+guid: 1e69ea88b87d34a48bbb45a1fbad81fc
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   externalObjects: {}
-  serializedVersion: 10
+  serializedVersion: 13
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@@ -20,9 +20,12 @@ TextureImporter:
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+  ignoreMipmapLimit: 0
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@@ -31,12 +34,12 @@ TextureImporter:
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-    filterMode: -1
-    aniso: -1
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-    wrapW: -1
+    filterMode: 1
+    aniso: 1
+    mipBias: 0
+    wrapU: 0
+    wrapV: 0
+    wrapW: 0
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   lightmap: 0
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@@ -49,16 +52,22 @@ TextureImporter:
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   spriteGenerateFallbackPhysicsShape: 1
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+  flipbookColumns: 1
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+  swizzle: 50462976
+  cookieLightType: 0
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+  - serializedVersion: 4
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     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -68,8 +77,10 @@ TextureImporter:
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+    ignorePlatformSupport: 0
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+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 4
     buildTarget: Standalone
     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -79,33 +90,14 @@ TextureImporter:
     crunchedCompression: 0
     allowsAlphaSplitting: 0
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+    ignorePlatformSupport: 0
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-    maxTextureSize: 2048
-    resizeAlgorithm: 0
-    textureFormat: -1
-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
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-  - serializedVersion: 2
-    buildTarget: Android
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-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
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+    forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
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     outline: []
+    customData: 
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@@ -115,9 +107,11 @@ TextureImporter:
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src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/OAuth Buttons/web_neutral_sq_ctn@4x.png.meta

@@ -1,9 +1,9 @@
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+guid: 1850a7332b6e84e1a9b69f5f5b4cf482
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   isReadable: 0
   streamingMipmaps: 0
   streamingMipmapsPriority: 0
+  vTOnly: 0
+  ignoreMipmapLimit: 0
   grayScaleToAlpha: 0
   generateCubemap: 6
   cubemapConvolution: 0
@@ -31,12 +34,12 @@ TextureImporter:
   maxTextureSize: 2048
   textureSettings:
     serializedVersion: 2
-    filterMode: -1
-    aniso: -1
-    mipBias: -100
-    wrapU: -1
-    wrapV: -1
-    wrapW: -1
+    filterMode: 1
+    aniso: 1
+    mipBias: 0
+    wrapU: 0
+    wrapV: 0
+    wrapW: 0
   nPOTScale: 1
   lightmap: 0
   compressionQuality: 50
@@ -49,16 +52,22 @@ TextureImporter:
   spriteBorder: {x: 0, y: 0, z: 0, w: 0}
   spriteGenerateFallbackPhysicsShape: 1
   alphaUsage: 1
-  alphaIsTransparency: 1
+  alphaIsTransparency: 0
   spriteTessellationDetail: -1
   textureType: 0
   textureShape: 1
   singleChannelComponent: 0
+  flipbookRows: 1
+  flipbookColumns: 1
   maxTextureSizeSet: 0
   compressionQualitySet: 0
   textureFormatSet: 0
+  ignorePngGamma: 0
+  applyGammaDecoding: 0
+  swizzle: 50462976
+  cookieLightType: 0
   platformSettings:
-  - serializedVersion: 3
+  - serializedVersion: 4
     buildTarget: DefaultTexturePlatform
     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -68,9 +77,10 @@ TextureImporter:
     crunchedCompression: 0
     allowsAlphaSplitting: 0
     overridden: 0
+    ignorePlatformSupport: 0
     androidETC2FallbackOverride: 0
     forceMaximumCompressionQuality_BC6H_BC7: 0
-  - serializedVersion: 3
+  - serializedVersion: 4
     buildTarget: Standalone
     maxTextureSize: 2048
     resizeAlgorithm: 0
@@ -80,36 +90,14 @@ TextureImporter:
     crunchedCompression: 0
     allowsAlphaSplitting: 0
     overridden: 0
-    androidETC2FallbackOverride: 0
-    forceMaximumCompressionQuality_BC6H_BC7: 0
-  - serializedVersion: 3
-    buildTarget: iPhone
-    maxTextureSize: 2048
-    resizeAlgorithm: 0
-    textureFormat: -1
-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
-    allowsAlphaSplitting: 0
-    overridden: 0
-    androidETC2FallbackOverride: 0
-    forceMaximumCompressionQuality_BC6H_BC7: 0
-  - serializedVersion: 3
-    buildTarget: Android
-    maxTextureSize: 2048
-    resizeAlgorithm: 0
-    textureFormat: -1
-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
-    allowsAlphaSplitting: 0
-    overridden: 0
+    ignorePlatformSupport: 0
     androidETC2FallbackOverride: 0
     forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
     serializedVersion: 2
     sprites: []
     outline: []
+    customData: 
     physicsShape: []
     bones: []
     spriteID: 
@@ -119,9 +107,11 @@ TextureImporter:
     edges: []
     weights: []
     secondaryTextures: []
-  spritePackingTag: 
+    spriteCustomMetadata:
+      entries: []
+    nameFileIdTable: {}
+  mipmapLimitGroupName: 
   pSDRemoveMatte: 0
-  pSDShowRemoveMatteOption: 0
   userData: 
   assetBundleName: 
   assetBundleVariant: 

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Eagle/PersistentClientConnection.cs

@@ -44,6 +44,18 @@ namespace eagle {
 
         private readonly Logger _remoteEagleClientLogger = Logger.GetLogger("ConnectionLogger");
         private readonly Logger _timingsLogger = Logger.GetLogger("ConnectionLogger");
+
+        // Counter to diagnose duplicate logging - if logs show same seq# twice, two threads
+        // are processing same message. If seq# increments but lines doubled, Logger issue.
+        private int _logFlowSeq = 0;
+
+        /// <summary>Timestamped log for connection flow tracing.</summary>
+        private void LogFlow(string message) {
+            var seq = Interlocked.Increment(ref _logFlowSeq);
+            var ts = DateTime.UtcNow.ToString("HH:mm:ss.fff");
+            _remoteEagleClientLogger.LogLine($"[FLOW {ts}] #{seq} {message}");
+        }
+
         private volatile bool _isConnecting = false;
         private Timer _idleCheckTimer = null;
         private Timer _heartbeatTimer = null;
@@ -77,7 +89,23 @@ namespace eagle {
             _retryTimer?.Dispose();
             NextReconnectAttempt = null;
             LogConnectionEvent("force_reconnect", "User requested immediate reconnect");
-            Task.Run(() => Connect());
+            RunConnectAsync();
+        }
+
+        /// <summary>
+        /// Fire-and-forget wrapper for Connect() that ensures exceptions are logged
+        /// rather than silently swallowed by Task.Run().
+        /// </summary>
+        private void RunConnectAsync() {
+            Task.Run(async () => {
+                try {
+                    await Connect();
+                } catch (Exception e) {
+                    // Log but don't rethrow - this is fire-and-forget
+                    Console.WriteLine($"[CONNECT] Exception in Connect: {e}");
+                    _remoteEagleClientLogger.LogLine($"Exception in Connect: {e}");
+                }
+            });
         }
 
         private DateTime? GetDeadlineFromNow() {
@@ -122,6 +150,7 @@ namespace eagle {
             _currentState = ConnectionState.Reconnecting;
             NextReconnectAttempt = DateTime.UtcNow.AddSeconds(backoffSeconds);
 
+            LogFlow($"SCHEDULE_RECONNECT reason={reason} backoff={backoffSeconds:F1}s attempt={_consecutiveFailures}");
             LogConnectionEvent(
                     "schedule_reconnect",
                     $"{reason}, backoff={backoffSeconds:F1}s, attempt={_consecutiveFailures}");
@@ -130,7 +159,7 @@ namespace eagle {
             _retryTimer = new Timer();
             _retryTimer.AutoReset = false;
             _retryTimer.Interval = backoffSeconds * 1000;
-            _retryTimer.Elapsed += (sender, args) => Task.Run(() => Connect());
+            _retryTimer.Elapsed += (sender, args) => RunConnectAsync();
             _retryTimer.Enabled = true;
         }
 
@@ -149,6 +178,7 @@ namespace eagle {
         private readonly Dictionary<EagleGameId, TaskCompletionSource<SubscriptionAck>>
                 _pendingSubscriptionAcks = new();
         private const int SubscriptionAckTimeoutMs = 10000;  // 10 seconds
+        private const int WriteAsyncTimeoutMs = 10000;       // 10 seconds for WriteAsync operations
 
         public PersistentClientConnection(
                 Eagle.EagleClient grpcClient,
@@ -194,6 +224,8 @@ namespace eagle {
             var ackTcs = new TaskCompletionSource<SubscriptionAck>();
             lock (_pendingSubscriptionAcks) { _pendingSubscriptionAcks[gameId] = ackTcs; }
 
+            var shardokCount = shardokStatuses.Count();
+            LogFlow($"SUBSCRIBE game={gameId} unfilteredCount={subscriber.LastUnfilteredResultCount} shardokGames={shardokCount}");
             _remoteEagleClientLogger.LogLine(
                     $"[SUBSCRIBE] Sending StreamGameRequest for game {gameId}, " +
                     $"unfilteredCount={subscriber.LastUnfilteredResultCount}");
@@ -233,6 +265,7 @@ namespace eagle {
 
                 var ack = await ackTask;
                 if (ack.Success) {
+                    LogFlow($"SUBSCRIBE_ACK game={gameId} success=true confirmedCount={ack.ConfirmedResultCount}");
                     _remoteEagleClientLogger.LogLine(
                             $"[SUBSCRIBE] Subscription confirmed for game {gameId}, " +
                             $"confirmedResultCount={ack.ConfirmedResultCount}");
@@ -244,6 +277,7 @@ namespace eagle {
 
                     return true;
                 } else {
+                    LogFlow($"SUBSCRIBE_ACK game={gameId} success=false error={ack.ErrorMessage}");
                     LogConnectionEvent(
                             "subscribe_ack_failed",
                             $"game={gameId}, error={ack.ErrorMessage}");
@@ -268,23 +302,24 @@ namespace eagle {
         public async Task Connect() {
             // Prevent concurrent connection attempts
             if (_isConnecting) {
-                _remoteEagleClientLogger.LogLine($"Connect() skipped - already connecting");
+                LogFlow($"Connect() SKIPPED already_connecting=true");
                 return;
             }
 
             // Check circuit breaker
             if (!_circuitBreaker.ShouldAttemptConnection()) {
-                _remoteEagleClientLogger.LogLine(
-                        $"[CIRCUIT] Connection attempt blocked - circuit {_circuitBreaker.CurrentState}");
+                LogFlow($"Connect() BLOCKED circuit={_circuitBreaker.CurrentState}");
                 LogConnectionEvent("connect_blocked", $"circuit={_circuitBreaker.CurrentState}");
                 return;
             }
 
             _isConnecting = true;
             try {
+                LogFlow($"Connect() START failures={_consecutiveFailures}");
                 _lastConnectAttempt = DateTime.UtcNow;
                 _currentState = _consecutiveFailures > 0 ? ConnectionState.Reconnecting
                                                          : ConnectionState.Connecting;
+                LogFlow($"State -> {_currentState}");
                 NextReconnectAttempt = null;
                 LogConnectionEvent("connect_attempt");
 
@@ -318,8 +353,10 @@ namespace eagle {
 
                     // Stream subscriptions OUTSIDE lock (can await)
                     // Set state to SubscriptionPending while waiting for acks
+                    LogFlow($"Streaming {subscribersToStream.Count} subscriptions");
                     if (subscribersToStream.Any()) {
                         _currentState = ConnectionState.SubscriptionPending;
+                        LogFlow($"State -> {_currentState}");
                     }
 
                     bool allSucceeded = true;
@@ -330,6 +367,7 @@ namespace eagle {
                     if (!allSucceeded) {
                         // Subscription failed - this is critical because the game won't receive
                         // updates. Trigger reconnect rather than proceeding to Connected state.
+                        LogFlow("SUBSCRIBE_FAILED triggering reconnect");
                         LogConnectionEvent(
                                 "subscribe_failed",
                                 "Subscription failed - triggering reconnect");
@@ -353,6 +391,7 @@ namespace eagle {
                     _lastSuccessfulConnect = DateTime.UtcNow;
                     _consecutiveFailures = 0;  // Reset backoff on successful connection
                     _currentState = ConnectionState.Connected;
+                    LogFlow($"State -> {_currentState}");
                     _circuitBreaker.RecordSuccess();
                     LogConnectionEvent("connect_success");
 
@@ -387,6 +426,18 @@ namespace eagle {
                             _pendingCommands.Add(pendingCommands.Dequeue());
                         }
                     }
+
+                    // Clean up resources before reconnecting
+                    lock (this) {
+                        _streamingCall?.Dispose();
+                        _streamingCall = null;
+                        _threadCancellationTokenSource?.Cancel();
+                    }
+                    MarkAllShardokGamesForResync();
+                    CancelAllPendingSubscriptionAcks();
+
+                    // Schedule reconnect - without this, the connection dies silently
+                    ScheduleReconnect($"ConnectFailed-{e.GetType().Name}");
                 }
             } finally { _isConnecting = false; }
         }
@@ -424,26 +475,35 @@ namespace eagle {
                                             lock (this) { _pendingCommands.Add(nextCommand); }
                                         }
                                     } else {
+                                        // CurrentEagleToken is null - server hasn't sent us
+                                        // commands yet, or we skipped them. Retry the pending
+                                        // command anyway; if the server already processed it, it
+                                        // will be ignored as duplicate.
                                         _remoteEagleClientLogger.LogLine(
-                                                "No matching command for token " + providedToken);
+                                                $"No current token, retrying pending command with token {providedToken}");
+                                        await PostRequest(nextCommand);
                                     }
 
                                     break;
                                 case UniversalCommand.SealedValueOneofCase.ShardokCommand: {
                                     Int64 providedShardokToken =
                                             nextCommand.Command.ShardokCommand.ShardokToken;
-                                    if (subscriber.CurrentShardokToken(
-                                                nextCommand.Command.ShardokCommand.GameId)
-                                                is Int64 shardokToken &&
+                                    var currentShardokToken = subscriber.CurrentShardokToken(
+                                            nextCommand.Command.ShardokCommand.GameId);
+                                    if (currentShardokToken is Int64 shardokToken &&
                                         shardokToken == providedShardokToken) {
                                         _remoteEagleClientLogger.LogLine(
                                                 "Found a matching pending command with token " +
                                                 shardokToken);
                                         await PostRequest(nextCommand);
+                                    } else if (currentShardokToken == null) {
+                                        // No current token - retry anyway
+                                        _remoteEagleClientLogger.LogLine(
+                                                $"No current Shardok token, retrying pending command with token {providedShardokToken}");
+                                        await PostRequest(nextCommand);
                                     } else {
                                         _remoteEagleClientLogger.LogLine(
-                                                "No matching command for token " +
-                                                providedShardokToken);
+                                                $"Shardok token mismatch: pending={providedShardokToken} current={currentShardokToken}, dropping");
                                     }
 
                                     break;
@@ -453,25 +513,27 @@ namespace eagle {
                                     Int64 providedShardokToken =
                                             nextCommand.Command.ShardokPlacementCommands
                                                     .ShardokToken;
-                                    if (subscriber.CurrentShardokToken(
-                                                nextCommand.Command.ShardokCommand.GameId)
-                                                is Int64 shardokToken &&
+                                    var currentShardokToken = subscriber.CurrentShardokToken(
+                                            nextCommand.Command.ShardokPlacementCommands.GameId);
+                                    if (currentShardokToken is Int64 shardokToken &&
                                         shardokToken == providedShardokToken) {
                                         _remoteEagleClientLogger.LogLine(
-                                                "Found a matching pending command with token " +
+                                                "Found a matching pending placement command with token " +
                                                 shardokToken);
                                         await PostRequest(nextCommand);
+                                    } else if (currentShardokToken == null) {
+                                        // No current token - retry anyway
+                                        _remoteEagleClientLogger.LogLine(
+                                                $"No current Shardok token, retrying pending placement command with token {providedShardokToken}");
+                                        await PostRequest(nextCommand);
                                     } else {
                                         _remoteEagleClientLogger.LogLine(
-                                                "No matching command for token " +
-                                                providedShardokToken);
+                                                $"Shardok placement token mismatch: pending={providedShardokToken} current={currentShardokToken}, dropping");
                                     }
 
                                     break;
                                 }
                             }
-
-                            await PostRequest(nextCommand);
                         }
                     }
 
@@ -503,6 +565,9 @@ namespace eagle {
         }
 
         public void Dispose() {
+            Thread threadToJoin = null;
+            CancellationTokenSource tokenSourceToDispose = null;
+
             lock (this) {
                 // Dispose timers first to stop any pending callbacks
                 StopIdleCheckTimer();
@@ -525,20 +590,25 @@ namespace eagle {
                 // Clear pending commands
                 _pendingCommands.Clear();
 
-                // Cancel and dispose thread cancellation token
+                // Cancel thread cancellation token (but don't dispose yet)
                 _threadCancellationTokenSource?.Cancel();
 
-                // Give thread a chance to exit gracefully
-                if (_streamingCallThread != null) {
-                    if (!_streamingCallThread.Join(TimeSpan.FromSeconds(2))) {
-                        Console.WriteLine("Warning: Streaming call thread did not exit gracefully");
-                    }
-                    _streamingCallThread = null;
-                }
-
-                _threadCancellationTokenSource?.Dispose();
+                // Capture thread and token source references for cleanup outside lock
+                threadToJoin = _streamingCallThread;
+                _streamingCallThread = null;
+                tokenSourceToDispose = _threadCancellationTokenSource;
                 _threadCancellationTokenSource = null;
             }
+
+            // Join thread OUTSIDE lock to avoid deadlock - the streaming thread
+            // may be trying to acquire lock(this) when we're waiting for it
+            if (threadToJoin != null) {
+                if (!threadToJoin.Join(TimeSpan.FromSeconds(2))) {
+                    Console.WriteLine("Warning: Streaming call thread did not exit gracefully");
+                }
+            }
+
+            tokenSourceToDispose?.Dispose();
         }
 
         public void SetLobbySubscriber(ILobbySubscriber subscriber) {
@@ -582,13 +652,25 @@ namespace eagle {
             try {
                 lock (this) { _pendingCommands.Add(request); }
 
-                await DoWithStreamingCall(async (streamingCall) => {
+                var success = await DoWithStreamingCall(async (streamingCall) => {
                     await streamingCall.RequestStream.WriteAsync(
                             new UpdateStreamRequest { PostCommandRequest = request });
                     return true;
                 });
-                lock (this) { _pendingCommands.Remove(request); }
-            } catch (Exception e) { Console.WriteLine("Failed to post command: " + e); }
+
+                // Only remove from pending if successfully sent.
+                // If connection was dead, leave in queue for retry after reconnect.
+                if (success) {
+                    lock (this) { _pendingCommands.Remove(request); }
+                } else {
+                    _remoteEagleClientLogger.LogLine(
+                            $"[POST] Command not sent (connection dead), keeping in pending queue for retry");
+                }
+            } catch (Exception e) {
+                Console.WriteLine("Failed to post command: " + e);
+                _remoteEagleClientLogger.LogLine($"[POST] Exception posting command: {e.Message}");
+                // Leave in _pendingCommands for retry after reconnect
+            }
         }
 
         private async Task
@@ -665,9 +747,38 @@ namespace eagle {
 
         private delegate Task<bool> WithStreamingCallDelegate(
                 AsyncDuplexStreamingCall<UpdateStreamRequest, UpdateStreamResponse> call);
+
+        /// <summary>
+        /// Execute an action with the streaming call, with a timeout to prevent indefinite
+        /// blocking. If the action takes longer than WriteAsyncTimeoutMs, we consider the
+        /// connection dead and return false. This prevents thread pool exhaustion on dead
+        /// connections.
+        /// </summary>
         private async Task<bool> DoWithStreamingCall(WithStreamingCallDelegate action) {
+            var sc = _streamingCall;
+            if (sc == null) return false;
+
             try {
-                return await action(_streamingCall);
+                using var timeoutCts = new CancellationTokenSource(WriteAsyncTimeoutMs);
+                var actionTask = action(sc);
+                var timeoutTask = Task.Delay(WriteAsyncTimeoutMs, timeoutCts.Token);
+
+                var completedTask =
+                        await Task.WhenAny(actionTask, timeoutTask).ConfigureAwait(false);
+
+                if (completedTask == timeoutTask) {
+                    // WriteAsync timed out - connection is likely dead
+                    LogConnectionEvent(
+                            "write_timeout",
+                            $"WriteAsync timed out after {WriteAsyncTimeoutMs}ms");
+                    _remoteEagleClientLogger.LogLine(
+                            $"[WRITE_TIMEOUT] WriteAsync timed out after {WriteAsyncTimeoutMs}ms, connection may be dead");
+                    return false;
+                }
+
+                // Cancel the timeout task since action completed
+                timeoutCts.Cancel();
+                return await actionTask.ConfigureAwait(false);
             } catch (RpcException e) {
                 if (e.StatusCode == StatusCode.Cancelled) {
                     // This is expected when the connection is closed.
@@ -675,9 +786,15 @@ namespace eagle {
                 } else {
                     throw;
                 }
+            } catch (OperationCanceledException) {
+                // Timeout was triggered
+                return false;
             }
         }
 
+        /// <summary>
+        /// Send a request on the streaming call with a timeout to prevent indefinite blocking.
+        /// </summary>
         public async Task<bool> SendUpdateStreamRequestAsync(UpdateStreamRequest request) {
             AsyncDuplexStreamingCall<UpdateStreamRequest, UpdateStreamResponse> sc = null;
             lock (this) {
@@ -686,7 +803,30 @@ namespace eagle {
             }
 
             try {
-                await sc.RequestStream.WriteAsync(request, _cancellationToken);
+                using var timeoutCts = new CancellationTokenSource(WriteAsyncTimeoutMs);
+                using var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(
+                        _cancellationToken,
+                        timeoutCts.Token);
+
+                var writeTask = sc.RequestStream.WriteAsync(request, linkedCts.Token);
+                var timeoutTask = Task.Delay(WriteAsyncTimeoutMs, timeoutCts.Token);
+
+                var completedTask =
+                        await Task.WhenAny(writeTask, timeoutTask).ConfigureAwait(false);
+
+                if (completedTask == timeoutTask) {
+                    // WriteAsync timed out - connection is likely dead
+                    LogConnectionEvent(
+                            "write_timeout",
+                            $"SendUpdateStreamRequestAsync timed out after {WriteAsyncTimeoutMs}ms");
+                    _remoteEagleClientLogger.LogLine(
+                            $"[WRITE_TIMEOUT] SendUpdateStreamRequestAsync timed out after {WriteAsyncTimeoutMs}ms");
+                    return false;
+                }
+
+                // Cancel the timeout task since write completed
+                timeoutCts.Cancel();
+                await writeTask.ConfigureAwait(false);  // Observe any exception
                 return true;
             } catch (RpcException e) {
                 if (e.StatusCode == StatusCode.Cancelled) {
@@ -695,6 +835,9 @@ namespace eagle {
                 } else {
                     throw;
                 }
+            } catch (OperationCanceledException) {
+                // Timeout was triggered
+                return false;
             }
         }
 
@@ -706,6 +849,7 @@ namespace eagle {
         private void HandleGameUpdate(GameUpdate gameUpdate, DateTime receivedTime) {
             switch (gameUpdate.GameUpdateDetailsCase) {
                 case GameUpdate.GameUpdateDetailsOneofCase.ErrorResponse:
+                    LogFlow($"UPDATE ErrorResponse game={gameUpdate.GameId}");
                     _remoteEagleClientLogger.LogLine("Got an error response!");
                     MainQueue.Q.Enqueue(() => {
                         lock (this) { _subscribers.Remove(gameUpdate.GameId); }
@@ -728,16 +872,63 @@ namespace eagle {
                     break;
 
                 case GameUpdate.GameUpdateDetailsOneofCase.ActionResultResponse:
-                case GameUpdate.GameUpdateDetailsOneofCase.ShardokActionResultResponse:
+                    var arResp = gameUpdate.ActionResultResponse;
+                    var arCount = arResp.ActionResultViews?.Count ?? 0;
+                    var hasStartingState = gameUpdate.StartingState != null;
+                    var hasCommands = arResp.AvailableCommands != null;
+                    var cmdToken = hasCommands ? arResp.AvailableCommands.Token : -1;
+                    var cmdCount = hasCommands
+                                           ? arResp.AvailableCommands.CommandsByProvince?.Count ?? 0
+                                           : 0;
+                    var status = arResp.ServerGameStatus?.Status.ToString() ?? "null";
+                    LogFlow($"UPDATE ActionResult game={gameUpdate.GameId} countAfter={arResp.UnfilteredResultCountAfter} " +
+                            $"actionResults={arCount} startingState={hasStartingState} hasCommands={hasCommands} " +
+                            $"token={cmdToken} cmdProvinces={cmdCount} status={status}");
+
                     // Update result counts IMMEDIATELY on the gRPC thread, before enqueueing.
-                    // This ensures reconnects use accurate counts even when MainQueue is blocked
-                    // (e.g., when Unity is backgrounded).
                     lock (this) {
                         if (_subscribers.TryGetValue(gameUpdate.GameId, out var sub)) {
                             sub.UpdateResultCounts(gameUpdate);
                         }
                     }
 
+                    MainQueue.Q.Enqueue(async () => {
+                        IClientConnectionSubscriber subscriber;
+                        lock (this) {
+                            if (_subscribers.TryGetValue(gameUpdate.GameId, out subscriber)) {
+                                subscriber.ReceiveGameUpdate(gameUpdate);
+                            } else {
+                                _subscribers.Remove(gameUpdate.GameId);
+                            }
+                        }
+
+                        await TryPendingCommands();
+
+                        var processTime = (DateTime.UtcNow - receivedTime).TotalMilliseconds;
+                        if (processTime > 100.0) {
+                            _timingsLogger.LogLine($"PROCESS {processTime} ms");
+                        }
+                    });
+                    break;
+
+                case GameUpdate.GameUpdateDetailsOneofCase.ShardokActionResultResponse:
+                    var shardokResp = gameUpdate.ShardokActionResultResponse;
+                    var shardokGameCount = shardokResp.ShardokGameResponses?.Count ?? 0;
+                    // Log each Shardok game's sequence to detect missing results
+                    foreach (var sgr in shardokResp.ShardokGameResponses) {
+                        var resultCount = sgr.ActionResultViews?.Count ?? 0;
+                        LogFlow($"UPDATE ShardokResult game={gameUpdate.GameId} " +
+                                $"shardok={sgr.ShardokGameId} countAfter={sgr.NewResultViewCount} " +
+                                $"results={resultCount}");
+                    }
+
+                    // Update result counts IMMEDIATELY on the gRPC thread, before enqueueing.
+                    lock (this) {
+                        if (_subscribers.TryGetValue(gameUpdate.GameId, out var sub2)) {
+                            sub2.UpdateResultCounts(gameUpdate);
+                        }
+                    }
+
                     MainQueue.Q.Enqueue(async () => {
                         IClientConnectionSubscriber subscriber;
                         lock (this) {
@@ -760,6 +951,7 @@ namespace eagle {
         }
 
         private async void HandleStreamingCall() {
+            LogFlow("HandleStreamingCall STARTED");
             try {
                 AsyncDuplexStreamingCall<UpdateStreamRequest, UpdateStreamResponse> sc;
                 CancellationToken threadToken;
@@ -789,54 +981,69 @@ namespace eagle {
                                 HandleGameUpdate(current.GameUpdate, receivedTime);
                                 break;
 
-                            case UpdateStreamResponse.ResponseDetailsOneofCase.LobbyResponse:
-                                if (_lobbySubscriber != null) {
+                            case UpdateStreamResponse.ResponseDetailsOneofCase.LobbyResponse: {
+                                // Capture subscriber reference to avoid race condition - if
+                                // subscriber changes or is cleared during dispose, we deliver to
+                                // whoever was subscribed when the message arrived
+                                var lobbySubscriber = _lobbySubscriber;
+                                if (lobbySubscriber != null) {
                                     MainQueue.Q.Enqueue(() => {
-                                        _lobbySubscriber.ReceiveLobbyUpdate(current.LobbyResponse);
+                                        lobbySubscriber.ReceiveLobbyUpdate(current.LobbyResponse);
                                     });
                                 }
 
                                 break;
+                            }
 
                             case UpdateStreamResponse.ResponseDetailsOneofCase
-                                    .PregeneratedTextResponse:
-                                if (_lobbySubscriber != null) {
+                                    .PregeneratedTextResponse: {
+                                var lobbySubscriber = _lobbySubscriber;
+                                if (lobbySubscriber != null) {
                                     MainQueue.Q.Enqueue(() => {
-                                        _lobbySubscriber.ReceivePregeneratedTextUpdate(
+                                        lobbySubscriber.ReceivePregeneratedTextUpdate(
                                                 current.PregeneratedTextResponse);
                                     });
                                 }
 
                                 break;
+                            }
 
-                            case UpdateStreamResponse.ResponseDetailsOneofCase.JoinGameResponse:
-                                if (_lobbySubscriber != null) {
+                            case UpdateStreamResponse.ResponseDetailsOneofCase.JoinGameResponse: {
+                                var lobbySubscriber = _lobbySubscriber;
+                                if (lobbySubscriber != null) {
                                     MainQueue.Q.Enqueue(() => {
-                                        _lobbySubscriber.HandleJoinGameResponse(
+                                        lobbySubscriber.HandleJoinGameResponse(
                                                 current.JoinGameResponse);
                                     });
                                 }
 
                                 break;
+                            }
 
-                            case UpdateStreamResponse.ResponseDetailsOneofCase.CreateGameResponse:
-                                if (_lobbySubscriber != null) {
+                            case UpdateStreamResponse.ResponseDetailsOneofCase.CreateGameResponse: {
+                                var lobbySubscriber = _lobbySubscriber;
+                                if (lobbySubscriber != null) {
                                     MainQueue.Q.Enqueue(() => {
-                                        _lobbySubscriber.HandleCreateGameResponse(
+                                        lobbySubscriber.HandleCreateGameResponse(
                                                 current.CreateGameResponse);
                                     });
                                 }
 
                                 break;
-                            case UpdateStreamResponse.ResponseDetailsOneofCase.CustomBattleResponse:
-                                if (_lobbySubscriber != null) {
+                            }
+
+                            case UpdateStreamResponse.ResponseDetailsOneofCase
+                                    .CustomBattleResponse: {
+                                var lobbySubscriber = _lobbySubscriber;
+                                if (lobbySubscriber != null) {
                                     MainQueue.Q.Enqueue(() => {
-                                        _lobbySubscriber.HandleCustomBattleResponse(
+                                        lobbySubscriber.HandleCustomBattleResponse(
                                                 current.CustomBattleResponse);
                                     });
                                 }
 
                                 break;
+                            }
 
                             case UpdateStreamResponse.ResponseDetailsOneofCase.HexMapResponse:
                                 var hexMapResponse = current.HexMapResponse;
@@ -875,8 +1082,26 @@ namespace eagle {
                     waitStartTime = DateTime.UtcNow;
                 }
 
+                // While loop exited normally (not via exception)
+                var scNull = sc == null;
+                var tokenCancelled = _currentThreadToken.IsCancellationRequested;
+                LogFlow($"HandleStreamingCall ENDED normally: sc_null={scNull} token_cancelled={tokenCancelled}");
                 _remoteEagleClientLogger.LogLine(
-                        "How did we get here? This is not my beautiful wife!");
+                        $"Stream ended normally: sc_null={scNull} token_cancelled={tokenCancelled}");
+
+                // Only schedule reconnect if:
+                // 1. App is not shutting down (main token not cancelled)
+                // 2. Thread token was NOT cancelled (if it was, something else like
+                //    SyncMismatch already disposed the call and scheduled reconnect)
+                if (!_cancellationToken.IsCancellationRequested && !tokenCancelled) {
+                    lock (this) {
+                        _lastDisconnect = DateTime.UtcNow;
+                        MarkAllShardokGamesForResync();
+                        CancelAllPendingSubscriptionAcks();
+                    }
+                    LogConnectionEvent("disconnect", "StreamEndedNormally");
+                    ScheduleReconnect("StreamEndedNormally");
+                }
             } catch (RpcException e) {
                 lock (this) {
                     _lastDisconnect = DateTime.UtcNow;
@@ -941,6 +1166,19 @@ namespace eagle {
                 CancelAllPendingSubscriptionAcks();
 
                 ScheduleReconnect("ObjectDisposed");
+            } catch (Exception e) {
+                // Catch-all for any unexpected exceptions. Without this, exceptions in an
+                // async void method can crash the process or be silently lost, leaving the
+                // connection dead with no recovery.
+                _lastDisconnect = DateTime.UtcNow;
+                LogConnectionEvent("disconnect", $"UnexpectedException: {e.GetType().Name}");
+                _remoteEagleClientLogger.LogLine(
+                        $"UNEXPECTED exception in HandleStreamingCall: {e}");
+
+                MarkAllShardokGamesForResync();
+                CancelAllPendingSubscriptionAcks();
+
+                ScheduleReconnect($"UnexpectedException-{e.GetType().Name}");
             }
 
             return;
@@ -974,7 +1212,17 @@ namespace eagle {
                 AutoReset = true,
                 Interval = 5000  // Check every 5 seconds
             };
-            _idleCheckTimer.Elapsed += (sender, args) => CheckForIdleTimeout();
+            _idleCheckTimer.Elapsed += (sender, args) => {
+                try {
+                    // Log BEFORE callback to confirm timer is firing
+                    Console.WriteLine($"[IDLE_TIMER] Elapsed at {DateTime.UtcNow:HH:mm:ss.fff}");
+                    CheckForIdleTimeout();
+                } catch (Exception e) {
+                    // Timer callbacks must not throw - it can stop the timer from firing again
+                    Console.WriteLine($"[IDLE_TIMER] Exception in callback: {e}");
+                    _remoteEagleClientLogger.LogLine($"Exception in idle check timer: {e}");
+                }
+            };
             _idleCheckTimer.Enabled = true;
         }
 
@@ -987,10 +1235,16 @@ namespace eagle {
         }
 
         private void CheckForIdleTimeout() {
-            if (_cancellationToken.IsCancellationRequested) { return; }
-
             var idleTime = (DateTime.UtcNow - _lastResponseReceived).TotalSeconds;
 
+            // Log every check when idle > 5s to diagnose timer issues
+            if (idleTime > 5.0) {
+                _remoteEagleClientLogger.LogLine(
+                        $"[IDLE_CHECK] idle_time={idleTime:F1}s, cancelled={_cancellationToken.IsCancellationRequested}");
+            }
+
+            if (_cancellationToken.IsCancellationRequested) { return; }
+
             // Early warnings at 10s and 20s to help diagnose slow connections
             if (idleTime > 20.0 && _lastIdleWarningLevel < 2) {
                 _lastIdleWarningLevel = 2;
@@ -1013,7 +1267,7 @@ namespace eagle {
                 if (toCancel != null) {
                     toCancel.Dispose();
                     lock (this) { _streamingCall = null; }
-                    Task.Run(() => Connect());
+                    RunConnectAsync();
                 }
             }
         }
@@ -1022,7 +1276,26 @@ namespace eagle {
             StopHeartbeatTimer();
             _heartbeatTimer =
                     new Timer { AutoReset = true, Interval = HeartbeatIntervalSeconds * 1000 };
-            _heartbeatTimer.Elapsed += (sender, args) => Task.Run(() => SendHeartbeat());
+            _heartbeatTimer.Elapsed += (sender, args) => {
+                try {
+                    // Log BEFORE Task.Run to confirm timer is firing
+                    Console.WriteLine(
+                            $"[HEARTBEAT_TIMER] Elapsed at {DateTime.UtcNow:HH:mm:ss.fff}");
+                    Task.Run(async () => {
+                        try {
+                            await SendHeartbeat();
+                        } catch (Exception e) {
+                            // Log but don't rethrow - exceptions in Task.Run are silently lost
+                            Console.WriteLine($"[HEARTBEAT] Exception in SendHeartbeat: {e}");
+                            _remoteEagleClientLogger.LogLine($"Exception in SendHeartbeat: {e}");
+                        }
+                    });
+                } catch (Exception e) {
+                    // Timer callbacks must not throw
+                    Console.WriteLine($"[HEARTBEAT_TIMER] Exception in callback: {e}");
+                    _remoteEagleClientLogger.LogLine($"Exception in heartbeat timer: {e}");
+                }
+            };
             _heartbeatTimer.Enabled = true;
         }
 
@@ -1035,8 +1308,16 @@ namespace eagle {
         }
 
         private async Task SendHeartbeat() {
-            if (_cancellationToken.IsCancellationRequested) { return; }
-            if (_currentState != ConnectionState.Connected) { return; }
+            LogFlow($"HEARTBEAT_START state={_currentState}");
+
+            if (_cancellationToken.IsCancellationRequested) {
+                LogFlow("HEARTBEAT_SKIP reason=cancellation_requested");
+                return;
+            }
+            if (_currentState != ConnectionState.Connected) {
+                LogFlow($"HEARTBEAT_SKIP reason=not_connected state={_currentState}");
+                return;
+            }
 
             // Build sync status for all subscribed games
             var heartbeatRequest = new HeartbeatRequest {
@@ -1066,8 +1347,13 @@ namespace eagle {
 
             var sent = await SendUpdateStreamRequestAsync(request);
             if (sent) {
-                _remoteEagleClientLogger.LogLine(
-                        $"[HEARTBEAT] Sent heartbeat with {heartbeatRequest.GameSyncStatuses.Count} games");
+                var gameInfo = string.Join(
+                        ", ",
+                        heartbeatRequest.GameSyncStatuses.Select(
+                                g => $"{g.GameId}:{g.UnfilteredResultCount}"));
+                LogFlow($"HEARTBEAT_SENT games={heartbeatRequest.GameSyncStatuses.Count} ({gameInfo})");
+            } else {
+                LogFlow("HEARTBEAT_FAILED stream_unavailable");
             }
         }
 
@@ -1076,6 +1362,7 @@ namespace eagle {
         private const double SyncMismatchGracePeriodSeconds = 60.0;
 
         private void HandleHeartbeatResponse(HeartbeatResponse response) {
+            LogFlow($"HEARTBEAT_RESPONSE server_ts={response.ServerTimestamp}");
             _remoteEagleClientLogger.LogLine(
                     $"[HEARTBEAT] Got response, server_timestamp={response.ServerTimestamp}");
 
@@ -1083,6 +1370,7 @@ namespace eagle {
             bool hasMismatch = false;
             foreach (var syncResult in response.GameSyncResults) {
                 if (!syncResult.EagleInSync) {
+                    LogFlow($"SYNC_MISMATCH game={syncResult.GameId} server_count={syncResult.ServerUnfilteredResultCount}");
                     _remoteEagleClientLogger.LogLine(
                             $"[SYNC_MISMATCH] Game {syncResult.GameId}: Eagle out of sync, " +
                             $"server has {syncResult.ServerUnfilteredResultCount} results");
@@ -1126,6 +1414,9 @@ namespace eagle {
             LogConnectionEvent("sync_mismatch_reconnect", "Triggering reconnect to resync");
 
             // Schedule reconnect to resync
+            // Stop timers FIRST to prevent them firing during reconnection
+            StopHeartbeatTimer();
+            StopIdleCheckTimer();
             lock (this) {
                 _streamingCall?.Dispose();
                 _streamingCall = null;

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/EagleConnection.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Threading;
+using Auth;
 using Cysharp.Net.Http;
 using eagle;
 using Grpc.Core;
@@ -28,11 +29,7 @@ public class EagleConnection : IDisposable {
         _channel = GrpcChannel.ForAddress(
                 "https://" + url,
                 new GrpcChannelOptions {
-                    HttpHandler =
-                            new YetAnotherHttpHandler {
-                                Http2Only = true,
-                                Http2KeepAliveInterval = TimeSpan.FromSeconds(KeepAliveSeconds)
-                            },
+                    HttpHandler = CreateHttpHandler(),
                     DisposeHttpClient = true,
                     LoggerFactory = _loggerFactory,
                     MaxReceiveMessageSize = null
@@ -42,6 +39,44 @@ public class EagleConnection : IDisposable {
         return invoker;
     }
 
+    /// <summary>
+    /// Create HTTP handler with timeouts configured for reliable connection management.
+    /// These settings help detect and recover from dead connections, especially on Windows
+    /// where firewalls may silently drop HTTP/2 keep-alive pings.
+    /// </summary>
+    private static YetAnotherHttpHandler CreateHttpHandler() {
+        return new YetAnotherHttpHandler {
+            Http2Only = true,
+            // Send keep-alive pings every 15 seconds
+            Http2KeepAliveInterval = TimeSpan.FromSeconds(KeepAliveSeconds),
+            // Close connection if ping not acknowledged within 5 seconds
+            Http2KeepAliveTimeout = TimeSpan.FromSeconds(5),
+            // Continue pinging even when idle to detect dead connections
+            Http2KeepAliveWhileIdle = true,
+            // Don't wait forever for initial connection
+            ConnectTimeout = TimeSpan.FromSeconds(10)
+        };
+    }
+
+    private CallInvoker MakeJwtInvoker(string url) {
+        var jwtInterceptor = new JwtAuthInterceptor();
+
+        _channel = GrpcChannel.ForAddress(
+                "https://" + url,
+                new GrpcChannelOptions {
+                    HttpHandler = CreateHttpHandler(),
+                    DisposeHttpClient = true,
+                    LoggerFactory = _loggerFactory,
+                    MaxReceiveMessageSize = null
+                });
+
+        var invoker = _channel.Intercept(jwtInterceptor);
+        return invoker;
+    }
+
+    /// <summary>
+    /// Create connection using Basic Auth (legacy).
+    /// </summary>
     public EagleConnection(string playerName, string password, string url) {
         this.playerName = playerName;
         credentials = new Metadata { { "user", playerName } };
@@ -53,6 +88,26 @@ public class EagleConnection : IDisposable {
         EagleGrpcClient = new Eagle.EagleClient(MakeInvoker(playerName, password, url));
     }
 
+    /// <summary>
+    /// Create connection using JWT Bearer token auth.
+    /// Tokens are read from TokenStorage on each request.
+    /// </summary>
+    public static EagleConnection CreateWithJwt(string url) {
+        return new EagleConnection(url, useJwt: true);
+    }
+
+    private EagleConnection(string url, bool useJwt) {
+        // For JWT auth, get display name from TokenStorage
+        playerName = TokenStorage.DisplayName ?? "Unknown";
+        credentials = new Metadata { { "user", TokenStorage.UserId ?? "" } };
+        authHeader = null;  // Not used for JWT
+
+        _loggerFactory = LoggerFactory.Create(
+                builder => { builder.AddProvider(new CustomFileLoggerProvider()); });
+
+        EagleGrpcClient = new Eagle.EagleClient(MakeJwtInvoker(url));
+    }
+
     public void Dispose() {
         try {
             _channel?.Dispose();

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