* 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
* basic e2e frontend test framework
* improve mock data generation and add test cases
* more cases
* add e2e tests to PR template
* don't generate mock data in PR CI
* satisfy codeql check
* fix flaky system page tab tests by guarding against crashes from incomplete mock stats
* reduce local test runs to 4 workers to match CI