refactor(trigger): clean up imports and optimize trigger-related code

- Remove unused imports in trigger-related files for better clarity and maintainability
- Streamline import statements across various modules to enhance code quality

Co-authored-by: Claude <noreply@anthropic.com>

api/core/trigger/provider.py

@@ -3,7 +3,7 @@ Trigger Provider Controller for managing trigger providers
 """
 
 import logging
-from typing import Any, Optional
+from typing import Optional
 
 from flask import Request