refactor(safety): apply consistent formatting across services and tests

Improved code readability and uniformity by standardizing line breaks, indentation, and inline conditions across safety-related services, models, and tests, including content filters, validation rules, and emergency controls.

backend/tests/services/safety/test_content_filter.py

@@ -220,7 +220,9 @@ class TestScan:
         filter_all: ContentFilter,
     ) -> None:
         """Test scanning for specific categories only."""
-        content = "Email: test@example.com, token: ghp_abc123456789012345678901234567890123"
+        content = (
+            "Email: test@example.com, token: ghp_abc123456789012345678901234567890123"
+        )
 
         # Scan only for secrets
         matches = await filter_all.scan(

backend/tests/services/safety/test_validation.py

@@ -321,8 +321,7 @@ class TestLoadRulesFromPolicy:
         validator.load_rules_from_policy(policy)
 
         approval_rules = [
-            r for r in validator._rules
-            if r.decision == SafetyDecision.REQUIRE_APPROVAL
+            r for r in validator._rules if r.decision == SafetyDecision.REQUIRE_APPROVAL
         ]
         assert len(approval_rules) == 1