- Folder monitor: clear _seenFiles entry on file unlink so re-added
files (e.g. re-encoded) are detected again
- Sync IPC save (beforeunload): use atomic write pattern with backup
(.bak) creation, matching the async _atomicWrite behavior
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- New FolderMonitor class with chokidar for watching folders
- Settings UI panel with all options (extensions filter, recursive, auto-start, skip duplicates)
- Auto-queue and auto-upload when files appear in monitored folder
- Fix statusbar to show uploaded/remaining instead of cumulative session bytes
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
