feat: Add mypy to pre-commit.

.claude/settings.local.json

@@ -4,9 +4,11 @@
       "Bash(mkdir:*)",
       "Bash(uv sync:*)",
       "Bash(uv run pytest:*)",
-      "Bash(git commit:*)"
+      "Bash(git commit:*)",
+      "Bash(ruff check:*)",
+      "Bash(git add:*)"
     ],
     "deny": [],
     "ask": []
   }
-}
+}