Unify dev tooling via uv so pre-commit, CI, and the update bot stay aligned.

Route Python hooks through uv run with versions pinned in uv.lock, add explicit
Ruff settings, and extend the dependency bot to run pre-commit autoupdate.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/unit/adapters_test.py

@@ -3,12 +3,12 @@
 from __future__ import annotations
 
 import builtins
+from collections.abc import Callable, Mapping, Sequence
 import importlib
 import os
+from pathlib import Path
 import subprocess
 import sys
-from collections.abc import Callable, Mapping, Sequence
-from pathlib import Path
 from types import ModuleType
 from unittest.mock import patch