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/dev_tools/routes/pages/admin.py

@@ -129,3 +129,39 @@ async def admin_test_stores_users_migration(
         "dev_tools/admin/test-stores-users-migration.html",
         get_admin_context(request, db, current_user),
     )
+
+
+@router.get("/platform-debug", response_class=HTMLResponse, include_in_schema=False)
+async def admin_platform_debug_page(
+    request: Request,
+    current_user: User = Depends(
+        require_menu_access("testing", FrontendType.ADMIN)
+    ),
+    db: Session = Depends(get_db),
+):
+    """
+    Render platform resolution debug page.
+    Traces middleware pipeline for all URL patterns.
+    """
+    return templates.TemplateResponse(
+        "dev_tools/admin/platform-debug.html",
+        get_admin_context(request, db, current_user),
+    )
+
+
+@router.get("/sql-query", response_class=HTMLResponse, include_in_schema=False)
+async def admin_sql_query_page(
+    request: Request,
+    current_user: User = Depends(
+        require_menu_access("sql-query", FrontendType.ADMIN)
+    ),
+    db: Session = Depends(get_db),
+):
+    """
+    Render SQL query tool page.
+    Ad-hoc SQL query execution with saved query management.
+    """
+    return templates.TemplateResponse(
+        "dev_tools/admin/sql-query.html",
+        get_admin_context(request, db, current_user),
+    )