Refactor multiplayer room endpoints and add logging

Refactored the multiplayer room creation and user management endpoints in lio.py for improved modularity and validation. Added helper functions for user, room, and playlist validation, and enhanced error handling. In auth.py, added logging to output generated JWT tokens for better traceability.

app/router/auth.py

@@ -212,7 +212,7 @@ async def oauth_token(
     geoip: GeoIPHelper = Depends(get_geoip_helper),
 ):
     scopes = scope.split(" ")
-
+    
     client = (
         await db.exec(
             select(OAuthClient).where(
@@ -364,7 +364,8 @@ async def oauth_token(
             refresh_token_str,
             settings.access_token_expire_minutes * 60,
         )
-
+        # 打印jwt
+        logger.info(f"[Auth] Generated JWT for user {user_id}: {access_token}")
         return TokenResponse(
             access_token=access_token,
             token_type="Bearer",
@@ -416,7 +417,8 @@ async def oauth_token(
             new_refresh_token,
             settings.access_token_expire_minutes * 60,
         )
-
+        # 打印jwt
+        logger.info(f"[Auth] Generated JWT for user {token_record.user_id}: {access_token}")
         return TokenResponse(
             access_token=access_token,
             token_type="Bearer",
@@ -482,6 +484,9 @@ async def oauth_token(
             settings.access_token_expire_minutes * 60,
         )
 
+        # 打印jwt
+        logger.info(f"[Auth] Generated JWT for user {user_id}: {access_token}")
+
         return TokenResponse(
             access_token=access_token,
             token_type="Bearer",
@@ -525,6 +530,9 @@ async def oauth_token(
             settings.access_token_expire_minutes * 60,
         )
 
+        # 打印生成的令牌
+        logger.info(f"[Auth] Generated access token for client {client_id}: {access_token}")
+
         return TokenResponse(
             access_token=access_token,
             token_type="Bearer",