- update.rs: extract frontend .tar.gz archives during apply (was TODO/skip)
- update.rs: back up current frontend before extraction, set binary perms
- server.rs: periodic scan reads update_state.json, sets status_info.updated
flag and broadcasts via WebSocket so frontend gets notified automatically
- build-iso-dev.yml: publish binary + frontend archive + manifest.json with
SHA256 hashes to /Builds/releases/v{version}/ after each build
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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