Content: Hey taunt asset, audio folder, radar sound wiring

New Assets/Audio/ with Hey.asset (+ ogg samples), Sound Effect
Distance Range moved there; Main.unity wires Hey.asset to the
MatchManager radar ping; The Room AudioSource tweak and regenerated
Player.prefab GlobalObjectIdHash (editor churn).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Assets/Scenes/Main.unity

@@ -1751,6 +1751,7 @@ MonoBehaviour:
   embeddedRevealPercent: 20
   radarPingInterval: 30
   radarPingLifetime: 1
+  radarPingSound: {fileID: 11400000, guid: 2fe2b1ee99d49ae4f998ec119dbebe2f, type: 2}
 --- !u!114 &284910519
 MonoBehaviour:
   m_ObjectHideFlags: 0