feat: add SQL query tool, platform debug, loyalty settings, and multi-module improvements

- Add admin SQL query tool with saved queries, schema explorer presets,
  and collapsible category sections (dev_tools module)
- Add platform debug tool for admin diagnostics
- Add loyalty settings page with owner-only access control
- Fix loyalty settings owner check (use currentUser instead of window.__userData)
- Replace HTTPException with AuthorizationException in loyalty routes
- Expand loyalty module with PIN service, Apple Wallet, program management
- Improve store login with platform detection and multi-platform support
- Update billing feature gates and subscription services
- Add store platform sync improvements and remove is_primary column
- Add unit tests for loyalty (PIN, points, stamps, program services)
- Update i18n translations across dev_tools locales

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/tenancy/services/merchant_domain_service.py

@@ -115,8 +115,9 @@ class MerchantDomainService:
                     db.query(StorePlatform)
                     .filter(
                         StorePlatform.store_id.in_(store_ids),
-                        StorePlatform.is_primary.is_(True),
+                        StorePlatform.is_active == True,  # noqa: E712
                     )
+                    .order_by(StorePlatform.joined_at)
                     .first()
                 )
                 platform_id = primary_sp.platform_id if primary_sp else None