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>

scripts/seed/init_log_settings.py

@@ -6,6 +6,8 @@ Run this script to create default logging configuration settings.
 """
 
 # Register all models with SQLAlchemy so string-based relationships resolve
+import contextlib
+
 for _mod in [
     "app.modules.billing.models",
     "app.modules.inventory.models",
@@ -18,10 +20,8 @@ for _mod in [
     "app.modules.marketplace.models",
     "app.modules.cms.models",
 ]:
-    try:
+    with contextlib.suppress(ImportError):
         __import__(_mod)
-    except ImportError:
-        pass
 
 from app.core.database import SessionLocal
 from app.modules.tenancy.models import AdminSetting