- Backend: add terrain field to Arma3MissionManager.list_missions()
- Backend: add missions field to ServerConfig Pydantic model
- Backend: add GET /missions/rotation and PUT /missions/rotation endpoints
- Frontend: Mission type gains terrain field; new MissionRotationEntry type
- Frontend: useServerMissionRotation and useUpdateMissionRotation hooks
- Frontend: useUploadMission updated to accept File[] with sequential upload
- Frontend: MissionList redesigned with Available Missions + Mission Rotation sections
- Frontend: per-file upload progress tracking, terrain badges, difficulty select
- Tests: 5 new tests; fixed existing useUploadMission test for File[] API; 141 pass
- Backend: add Arma3ConfigGenerator.get_ui_schema() with widget hints per field
- Backend: add ServerService.get_config_schema() and GET /config/schema endpoint
- Frontend: add FieldSchema/ConfigSchema types + useServerConfigSchema hook
- Frontend: new TagListEditor component for dynamic string-list editing
- Frontend: ConfigEditor now routes each field to correct widget (text/number/password/textarea/select/toggle/tag-list)
- Frontend: password fields have show/hide toggle; toggles render as checkbox; tag-list uses TagListEditor
- Tests: 8 new tests covering hook and TagListEditor; all 136 tests green
