feat(stream): implement stream processing service with routes for managing streaming URLs; add support for concurrent processing and metadata extraction

app/routes/admin.py

@@ -2,11 +2,7 @@
 
 from flask import Blueprint, request
 
-from app.services.decorators import (
-    get_current_user,
-    require_auth,
-    require_role,
-)
+from app.services.decorators import get_current_user, require_auth, require_role
 from app.services.scheduler_service import scheduler_service
 from app.services.sound_normalizer_service import SoundNormalizerService
 from app.services.sound_scanner_service import SoundScannerService