Add Electron desktop app section, document all 8 plugins, update
features list (assets, super-buckets, find/replace, arrow nav, PDF
upload), fix relay docs (chat shipped, not future), add missing API
endpoints, correct electron data storage paths and php-bin fetch info.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
thandClaude Opus 4.6