[refactor] Use Pydantic models for query parameter validation

- Added query parameter models to OpenAPI spec for GET endpoints
- Regenerated data models to include new query param models
- Replaced manual validation with Pydantic model validation
- Removed obsolete validate_required_params helper function
- Provides better error messages and type safety for API endpoints

Co-Authored-By: Claude <noreply@anthropic.com>

comfyui_manager/data_models/__init__.py

@@ -49,6 +49,9 @@ from .generated_models import (
     UninstallPackParams,
     DisablePackParams,
     EnablePackParams,
+    UpdateAllQueryParams,
+    UpdateComfyUIQueryParams,
+    ComfyUISwitchVersionQueryParams,
     QueueStatus,
     ManagerMappings,
     ModelMetadata,
@@ -104,6 +107,9 @@ __all__ = [
     "UninstallPackParams",
     "DisablePackParams",
     "EnablePackParams",
+    "UpdateAllQueryParams",
+    "UpdateComfyUIQueryParams",
+    "ComfyUISwitchVersionQueryParams",
     "QueueStatus",
     "ManagerMappings",
     "ModelMetadata",