chore: migrate to ruff (#4305)

* base requirements

* autofix

* Configure ruff for Python linting and formatting

- Set up minimal ruff configuration with basic checks (E, W, F, I)
- Add temporary ignores for common issues during migration
- Configure pre-commit hooks to use ruff with pass_filenames
- This enables gradual migration from black to ruff

* Delete sdj

* autofixed only

* migrate lint action

* more autofixed

* more fixes

* change precommit

* try changing the hook

* try this stuff

letta/llm_api/azure_client.py

@@ -13,7 +13,6 @@ from letta.settings import model_settings
 
 
 class AzureClient(OpenAIClient):
-
     def get_byok_overrides(self, llm_config: LLMConfig) -> Tuple[Optional[str], Optional[str], Optional[str]]:
         if llm_config.provider_category == ProviderCategory.byok:
             from letta.services.provider_manager import ProviderManager