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/core/schemas/__init__.py

@@ -11,7 +11,6 @@ from app.modules.core.schemas.dashboard import (
     PlatformStatsResponse,
     ProductStatsResponse,
     StatsResponse,
-    UserStatsResponse,
     StoreCustomerStats,
     StoreDashboardStatsResponse,
     StoreInfo,
@@ -19,6 +18,7 @@ from app.modules.core.schemas.dashboard import (
     StoreProductStats,
     StoreRevenueStats,
     StoreStatsResponse,
+    UserStatsResponse,
 )
 
 __all__ = [

app/modules/core/schemas/dashboard.py

@@ -14,7 +14,6 @@ from typing import Any
 
 from pydantic import BaseModel, Field
 
-
 # ============================================================================
 # User Statistics
 # ============================================================================