Remove migration code and alembic dependency

src/server/services/config_service.py

@@ -4,7 +4,7 @@ This service handles:
 - Loading and saving configuration to JSON files
 - Configuration validation
 - Backup and restore functionality
-- Configuration migration for version updates
+- Configuration version management
 """
 
 import json
@@ -35,8 +35,8 @@ class ConfigBackupError(ConfigServiceError):
 class ConfigService:
     """Service for managing application configuration persistence.
     
-    Handles loading, saving, validation, backup, and migration of
-    configuration files. Uses JSON format for human-readable and
+    Handles loading, saving, validation, backup, and version management
+    of configuration files. Uses JSON format for human-readable and
     version-control friendly storage.
     """
     
@@ -84,11 +84,6 @@ class ConfigService:
             with open(self.config_path, "r", encoding="utf-8") as f:
                 data = json.load(f)
             
-            # Check if migration is needed
-            file_version = data.get("version", "1.0.0")
-            if file_version != self.CONFIG_VERSION:
-                data = self._migrate_config(data, file_version)
-            
             # Remove version key before constructing AppConfig
             data.pop("version", None)
             
@@ -328,26 +323,6 @@ class ConfigService:
             except (OSError, IOError):
                 # Ignore errors during cleanup
                 continue
-    
-    def _migrate_config(
-        self, data: Dict, from_version: str  # noqa: ARG002
-    ) -> Dict:
-        """Migrate configuration from old version to current.
-        
-        Args:
-            data: Configuration data to migrate
-            from_version: Version to migrate from (reserved for future use)
-            
-        Returns:
-            Dict: Migrated configuration data
-        """
-        # Currently only one version exists
-        # Future migrations would go here
-        # Example:
-        # if from_version == "1.0.0" and self.CONFIG_VERSION == "2.0.0":
-        #     data = self._migrate_1_0_to_2_0(data)
-        
-        return data
 
 
 # Singleton instance