- Show mpv OSD spinner from start-file until subminer-overlay-loading-ready; force-shown for visible-overlay startup regardless of osd_messages setting
- Gate non-macOS overlay visibility on content-ready so first subtitle line is immediately hoverable and clickable
- Queue startup notifications in main process until overlay window finishes loading; upsert progress cards by id to avoid cold-start floods
- Defer background warmups until after overlay runtime init so queued notifications can deliver promptly
- Preserve character dictionary checking/building/importing/ready phases as distinct history entries; route building and importing to system notifications when notificationType is both
- Add onResolvedSubtitle callback to resolveCurrentSubtitleForRenderer so the startup overlay-ready gate fires after the initial subtitle resolves
- Guard scheduleCharacterDictionarySync behind a last-path check so duplicate MPV media-path events don't re-trigger sync for the same video
sudacode
