Replace duel_challenged sound with licensed asset (#5825)

* Replace duel_challenged sound with licensed asset

Replace duel_challenged.mp3 (unknown license) with Weapon Draw Metal 1.wav
from the purchased Medieval Combat Sounds Unity Asset Store pack.

The dramatic sword unsheathing sound fits well for a duel challenge.

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

* Wire up Weapon Draw Metal 5 as duel_challenged sound

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

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

docs/ASSET_AUDIT.md

@@ -182,11 +182,14 @@ All 26 tracks have CC licenses with proper attribution:
 - `failure_horn.mp3` - licensing issue, no replacement found in purchased assets
 - ~~`runaway.mp3`~~ - **REPLACED** (2026-01-27) with `MedievalArmyRunningLoop.mp3` from Freesound (CC BY 4.0)
 
-**Presumed from Unity Asset Store purchases (31 files):**
+**Verified from [Medieval Combat Sounds](https://assetstore.unity.com/packages/audio/sound-fx/medieval-combat-sounds-100465) (Unity Asset Store):**
+- `duel_challenged.wav` - **REPLACED** (2026-02-03) with `Weapon Draw Metal 1.wav` from Medieval Combat Sounds
+
+**Presumed from Unity Asset Store purchases (30 files):**
 Owner believes these are from: Fantasy Interface Sounds, Medieval Combat Sounds, Magic Spells Sound Effects LITE, and/or Medieval Battle Sound Pack.
 - `archery.mp3`, `battle_shout.mp3`, `boo.mp3`, `braved_water.mp3`
 - `build_bridge.mp3`, `build_bridge_failure.mp3`, `charge.mp3`
-- `dismiss_unit.mp3`, `duel_challenged.mp3`, `failure_horn.mp3`, `fear.mp3`, `fear_failed.mp3`
+- `dismiss_unit.mp3`, `failure_horn.mp3`, `fear.mp3`, `fear_failed.mp3`
 - `fire_extinguish.mp3`, `fire_spread.mp3`, `fire_start.mp3`, `fire_start_failure.mp3`
 - `freeze.mp3`, `holy_wave.mp3`, `holy_wave_damage.mp3`, `jail_door.mp3`, `lightning.mp3`
 - `melee.mp3`, `meteor.mp3`, `mind_control.mp3`, `move.mp3`, `move 1.mp3`

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Gameplay.unity

@@ -34862,7 +34862,7 @@ MonoBehaviour:
   dismissUnit: {fileID: 8300000, guid: 9f06d48acebbb4785abae075ffff5c0a, type: 3}
   boo: {fileID: 8300000, guid: cdb6ada03a86044a1b3fe4078d494dc8, type: 3}
   holyWave: {fileID: 8300000, guid: e0d38576140e948b7b006e617fa4b44a, type: 3}
-  duelAccepted: {fileID: 8300000, guid: 7e41d0485129e4d0da6d21b966709f4b, type: 3}
+  duelAccepted: {fileID: 8300000, guid: 0deae9bdb045eff4d95fe05a60ea5185, type: 3}
   fear: {fileID: 8300000, guid: 7bbdef360a86e4240b0fa165a7feb29f, type: 3}
   fearFailed: {fileID: 8300000, guid: fb8b32206a3014d7d8560fc95feafd77, type: 3}
   repair: {fileID: 8300000, guid: 71492767c077742f182f8f3118d40b23, type: 3}

src/main/csharp/net/eagle0/clients/unity/eagle0/Assets/Shardok/soundEffects/duel_challenged.mp3.meta

@@ -1,22 +0,0 @@
-fileFormatVersion: 2
-guid: 7e41d0485129e4d0da6d21b966709f4b
-AudioImporter:
-  externalObjects: {}
-  serializedVersion: 6
-  defaultSettings:
-    loadType: 0
-    sampleRateSetting: 0
-    sampleRateOverride: 44100
-    compressionFormat: 1
-    quality: 1
-    conversionMode: 0
-  platformSettingOverrides: {}
-  forceToMono: 0
-  normalize: 1
-  preloadAudioData: 1
-  loadInBackground: 0
-  ambisonic: 0
-  3D: 1
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: