Fix: Ruff linting config for FastAPI compatibility

- Add B008 to ignore (Depends() in defaults is standard FastAPI pattern)
- Add S106 to ignore (false positive for token_type strings)
- Add TYPE_CHECKING import for ContentService to fix F821

Author: parvenuprompting

app/api/deps.py

@@ -1,6 +1,9 @@
 """API dependencies."""
 from collections.abc import AsyncGenerator
-from typing import Annotated
+from typing import TYPE_CHECKING, Annotated
+
+if TYPE_CHECKING:
+    from app.services.content import ContentService
 
 from fastapi import Depends, HTTPException, Security, status
 from fastapi.security import APIKeyHeader, OAuth2PasswordBearer

pyproject.toml

@@ -98,6 +98,8 @@ ignore = [
     "N818",    # Exception names - we keep "Exception" suffix for clarity
     "UP007",   # Optional[X] is fine alongside X | None
     "N806",    # Uppercase variables in functions (constants like PREFIX_LENGTH)
+    "B008",    # FastAPI uses Depends() in argument defaults by design
+    "S106",    # False positive for token_type="Bearer" string literals
 ]
 
 # Exclude patterns