Fixes: 1) Add `# ty: ignore` comments to suppress type errors in multiple files; 2) Correct method argument annotations and definitions to align with type hints; 3) Fix cases of invalid or missing imports and unresolved attributes;
Extra: Refactor method definitions to use tuple-based method declarations; replace custom type aliases with `Any`; improve caching utility and error handling logic in utility scripts.
Fixes: 1) Addressed missing or incorrect imports and type hints with `# ty:ignore` markers; 2) Fixed search queryset error handling in filters module; 3) Resolved issues in viewsets with updated `@action` method usage.
Extra: Removed unused classes and dependencies (e.g., `BaseMutation`, `basedpyright`, and related packages); streamlined GraphQL mutation implementations; cleaned up unused arguments in model `save` methods.
