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>

tests/fixtures/module_fixtures.py

@@ -7,12 +7,11 @@ and access control.
 """
 
 import uuid
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 
 import pytest
 
-from app.modules.tenancy.models import Platform
-from app.modules.tenancy.models import PlatformModule
+from app.modules.tenancy.models import Platform, PlatformModule
 
 
 @pytest.fixture
@@ -39,7 +38,7 @@ def platform_with_modules(db, test_super_admin):
             platform_id=platform.id,
             module_code=module_code,
             is_enabled=True,
-            enabled_at=datetime.now(timezone.utc),
+            enabled_at=datetime.now(UTC),
             enabled_by_user_id=test_super_admin.id,
             config={},
         )
@@ -50,7 +49,7 @@ def platform_with_modules(db, test_super_admin):
         platform_id=platform.id,
         module_code="marketplace",
         is_enabled=False,
-        disabled_at=datetime.now(timezone.utc),
+        disabled_at=datetime.now(UTC),
         disabled_by_user_id=test_super_admin.id,
         config={},
     )
@@ -83,7 +82,7 @@ def platform_with_config(db, test_super_admin):
         platform_id=platform.id,
         module_code="billing",
         is_enabled=True,
-        enabled_at=datetime.now(timezone.utc),
+        enabled_at=datetime.now(UTC),
         enabled_by_user_id=test_super_admin.id,
         config={
             "stripe_mode": "test",
@@ -98,7 +97,7 @@ def platform_with_config(db, test_super_admin):
         platform_id=platform.id,
         module_code="inventory",
         is_enabled=True,
-        enabled_at=datetime.now(timezone.utc),
+        enabled_at=datetime.now(UTC),
         enabled_by_user_id=test_super_admin.id,
         config={
             "low_stock_threshold": 5,
@@ -146,9 +145,9 @@ def module_factory(db, test_super_admin):
             platform_id=platform_id,
             module_code=module_code,
             is_enabled=is_enabled,
-            enabled_at=datetime.now(timezone.utc) if is_enabled else None,
+            enabled_at=datetime.now(UTC) if is_enabled else None,
             enabled_by_user_id=test_super_admin.id if is_enabled else None,
-            disabled_at=None if is_enabled else datetime.now(timezone.utc),
+            disabled_at=None if is_enabled else datetime.now(UTC),
             disabled_by_user_id=None if is_enabled else test_super_admin.id,
             config=config or {},
         )