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/cms/routes/api/admin_content_pages.py

@@ -17,8 +17,8 @@ from app.api.deps import get_current_admin_api, get_db
 from app.exceptions import ValidationException
 from app.modules.cms.schemas import (
     ContentPageCreate,
-    ContentPageUpdate,
     ContentPageResponse,
+    ContentPageUpdate,
     HomepageSectionsResponse,
     SectionUpdateResponse,
 )