fix: ruff findings

tests/test_status.py

@@ -11,13 +11,11 @@ Covers:
   - Retired command rejection with migration pointers
   - Configuration error surfaced from direct reads
 """
-import os
 import sqlite3
 import sys
-import tempfile
 from datetime import datetime, timedelta, timezone
 from pathlib import Path
-from unittest.mock import patch, MagicMock
+from unittest.mock import patch
 
 import pytest
 
@@ -35,7 +33,7 @@ from fenris.status import (
     ACCURACY_SEC,
 )
 from fenris.store import init_store, SCHEMA_VERSION
-from fenris.projection import DISCLOSURES, ConfidenceState
+from fenris.projection import DISCLOSURES
 
 
 # ---------------------------------------------------------------------------