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/routes/api/admin.py

@@ -13,9 +13,9 @@ from fastapi import APIRouter, Depends
 from app.api.deps import require_module_access
 from app.modules.enums import FrontendType
 
+from .admin_email_templates import admin_email_templates_router
 from .admin_messages import admin_messages_router
 from .admin_notifications import admin_notifications_router
-from .admin_email_templates import admin_email_templates_router
 
 admin_router = APIRouter(
     dependencies=[Depends(require_module_access("messaging", FrontendType.ADMIN))],