feat(battle-sim): implement battle simulation logic and metrics tracking

- Added WarBattleMetrics interface to track attacker and defender skills during battles.
- Enhanced WarUnit class with method to log activated skills.
- Introduced environment setup for battle simulation, including unit set loading and configuration resolution.
- Developed in-memory and Redis transport layers for handling battle simulation requests and results.
- Created types and interfaces for battle simulation payloads and responses.
- Implemented battle simulation processing logic, including logging and skill tracking.
- Added tests for battle simulation processor to ensure functionality and correctness.

app/game-api/src/config.ts

@@ -6,6 +6,8 @@ export interface GameApiConfig {
     scenario: string;
     profileName: string;
     daemonRequestTimeoutMs: number;
+    battleSimRequestTimeoutMs: number;
+    battleSimResultTtlSeconds: number;
     gameTokenSecret: string;
     flushChannel: string;
 }
@@ -45,6 +47,16 @@ export const resolveGameApiConfigFromEnv = (
             5000,
             'DAEMON_REQUEST_TIMEOUT_MS'
         ),
+        battleSimRequestTimeoutMs: parseNumber(
+            env.BATTLE_SIM_REQUEST_TIMEOUT_MS,
+            8000,
+            'BATTLE_SIM_REQUEST_TIMEOUT_MS'
+        ),
+        battleSimResultTtlSeconds: parseNumber(
+            env.BATTLE_SIM_RESULT_TTL_SECONDS,
+            60,
+            'BATTLE_SIM_RESULT_TTL_SECONDS'
+        ),
         gameTokenSecret: secret,
         flushChannel: `${gatewayPrefix}:flush`,
     };