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/marketplace/services/marketplace_widgets.py

@@ -16,7 +16,6 @@ from sqlalchemy.orm import Session
 from app.modules.contracts.widgets import (
     BreakdownWidget,
     DashboardWidget,
-    DashboardWidgetProviderProtocol,
     ListWidget,
     WidgetBreakdownItem,
     WidgetContext,
@@ -140,7 +139,7 @@ class MarketplaceWidgetProvider:
         from sqlalchemy.orm import joinedload
 
         from app.modules.marketplace.models import MarketplaceImportJob
-        from app.modules.tenancy.models import Store, StorePlatform
+        from app.modules.tenancy.models import StorePlatform
 
         limit = context.limit if context else 5