feat: enhance HTTP request debugging and extend logging data

- feat(http_request): augment debugging capabilities with raw request generation and improved error handling.
- feat(app_log): extend session filtering logic to support retrieving all session types.
- feat(log): add 'process' field to node execution records for better data tracking.

api/app/schemas/app_log_schema.py

@@ -56,6 +56,7 @@ class AppLogNodeExecution(BaseModel):
     status: str = "pending"
     error: Optional[str] = None
     input: Optional[Any] = None
+    process: Optional[Any] = None
     output: Optional[Any] = None
     elapsed_time: Optional[float] = None
     token_usage: Optional[Dict[str, Any]] = None