Export improvements (#22867)

* backend

* frontend + i18n

* tests + api spec

* tweak backend to use Job infrastructure for exports

* frontend tweaks and Job infrastructure

* tests

* tweaks

- add ability to remove from case
- change location of counts in case card

* add stale export reaper on startup

* fix toaster close button color

* improve add dialog

* formatting

* hide max_concurrent from camera config export settings

* remove border

* refactor batch endpoint for multiple review items

* frontend

* tests and fastapi spec

* fix deletion of in-progress exports in a case

* tweaks

- hide cases when filtering cameras that have no exports from those cameras
- remove description from case card
- use textarea instead of input for case description in add new case dialog

* add auth exceptions for exports

* add e2e test for deleting cases with exports

* refactor delete and case endpoints

allow bulk deleting and reassigning

* frontend

- bulk selection like Review
- gate admin-only actions
- consolidate dialogs
- spacing/padding tweaks

* i18n and tests

* update openapi spec

* tweaks

- add None to case selection list
- allow new case creation from single cam export dialog

* fix codeql

* fix i18n

* remove unused

* fix frontend tests

web/e2e/helpers/api-mocker.ts

@@ -82,14 +82,26 @@ export class ApiMocker {
       route.fulfill({ json: stats }),
     );
 
-    // Reviews
-    await this.page.route("**/api/reviews**", (route) => {
-      const url = route.request().url();
-      if (url.includes("summary")) {
-        return route.fulfill({ json: reviewSummary });
-      }
-      return route.fulfill({ json: reviews });
-    });
+    // Reviews. The real backend exposes /review (singular) for the main
+    // list and /review/summary for the summary — the previous plural glob
+    // (**/api/reviews**) never matched either endpoint, so review-dependent
+    // tests silently ran without data. The POST mutations at /reviews/viewed
+    // and /reviews/delete (plural) still fall through to the generic
+    // mutation catch-all further down the file.
+    await this.page.route(/\/api\/review\/summary/, (route) =>
+      route.fulfill({ json: reviewSummary }),
+    );
+    await this.page.route(/\/api\/review(\?|$)/, (route) =>
+      route.fulfill({ json: reviews }),
+    );
+
+    // Export jobs. The Exports page polls this every 2s while any export
+    // is in_progress; without a mock route it falls through to the preview
+    // server which returns 500 and makes the page flap between loading and
+    // rendered state, breaking tests that navigate to /export.
+    await this.page.route("**/api/jobs/export", (route) =>
+      route.fulfill({ json: [] }),
+    );
 
     // Recordings summary
     await this.page.route("**/api/recordings/summary**", (route) =>