chore: Add B904 to ruff ignore list

The B904 rule (raise exceptions with from err) is too verbose
for the HTTPException pattern used in FastAPI handlers. The
exception chaining doesn't provide meaningful benefit in this
context since HTTPException already captures the error details.

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Co-Authored-By: Claude <[email protected]>

Author: 2 people

pyproject.toml

@@ -228,6 +228,7 @@ select = [
 ignore = [
     "E501",  # line too long (handled by black)
     "B008",  # do not perform function calls in argument defaults
+    "B904",  # raise exceptions with from err (too verbose for HTTPException pattern)
     "C901",  # too complex
 ]