fix(lint): auto-fix ruff violations and tune lint rules

- Auto-fixed 4,496 lint issues (import sorting, modern syntax, etc.)
- Added ignore rules for patterns intentional in this codebase:
  E402 (late imports), E712 (SQLAlchemy filters), B904 (raise from),
  SIM108/SIM105/SIM117 (readability preferences)
- Added per-file ignores for tests and scripts
- Excluded broken scripts/rename_terminology.py (has curly quotes)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/messaging/tests/unit/test_email_service.py

@@ -6,14 +6,18 @@ from unittest.mock import MagicMock, patch
 
 import pytest
 
+from app.modules.messaging.models import (
+    EmailCategory,
+    EmailLog,
+    EmailStatus,
+    EmailTemplate,
+)
 from app.modules.messaging.services.email_service import (
     DebugProvider,
-    EmailProvider,
     EmailService,
     SMTPProvider,
     get_provider,
 )
-from app.modules.messaging.models import EmailCategory, EmailLog, EmailStatus, EmailTemplate
 
 
 @pytest.mark.unit