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/loyalty/services/program_service.py

@@ -25,7 +25,6 @@ from app.modules.loyalty.exceptions import (
 )
 from app.modules.loyalty.models import (
     LoyaltyProgram,
-    LoyaltyType,
     MerchantLoyaltySettings,
 )
 from app.modules.loyalty.schemas.program import (
@@ -512,7 +511,7 @@ class ProgramService:
             "id": program.id,
             "display_name": program.display_name,
             "card_name": program.card_name,
-            "loyalty_type": program.loyalty_type.value if hasattr(program.loyalty_type, 'value') else str(program.loyalty_type),
+            "loyalty_type": program.loyalty_type.value if hasattr(program.loyalty_type, "value") else str(program.loyalty_type),
             "points_per_euro": program.points_per_euro,
             "welcome_bonus_points": program.welcome_bonus_points,
             "minimum_redemption_points": program.minimum_redemption_points,