2026.06.05 frontend javítgatás és új belépési logika megvalósítva

backend/app/services/config_service.py

@@ -81,7 +81,7 @@ class ConfigService:
         Returns:
             A talált érték (a megfelelő típusban) vagy a default.
         """
-        from sqlalchemy import select, and_, cast, String
+        from sqlalchemy import select, and_, cast, String, Text
         
         try:
             # Convert scope_level to string for comparison - handle both Enum and string
@@ -91,12 +91,12 @@ class ConfigService:
                 scope_str = str(scope_level)
             
             # Build query with case-insensitive comparison for scope_level
-            # Use ilike or lower() for case-insensitive comparison since enum values might have inconsistent casing
+            # Use cast to Text (not String) to avoid asyncpg enum codec cache issues
             from sqlalchemy import func
             query = select(SystemParameter).where(
                 and_(
                     SystemParameter.key == key,
-                    func.lower(cast(SystemParameter.scope_level, String)) == scope_str.lower(),
+                    func.lower(cast(SystemParameter.scope_level, Text)) == scope_str.lower(),
                     SystemParameter.is_active == True
                 )
             )