- Replace `upgrade` stub with real command (alias for `self-update`)
- Also register `update` as alias: `unarr update` works too
- Rewrite `status` to show full config, disk usage, daemon state, and
update availability with colored sections
- Add version check cache (1h TTL) so `status` is instant on repeat runs
- Guard against division by zero on empty filesystems
- Guard against negative durations from clock skew
- Guard against stale PID via heartbeat recency check (2 min)
- Add comprehensive test coverage across agent, engine, upgrade, usenet,
arr, library, mediaserver, and UI packages
- Improve Makefile coverage target to exclude cmd/ glue code
- Fix stream handler resource cleanup and ffprobe error handling
- Go deps: cobra 1.10.2, fatih/color 1.19, tablewriter 1.1.4,
anacrolix/torrent 1.61, charmbracelet/huh 1.0, pion/webrtc 4.2.11
- GitHub Actions: checkout v6, setup-go v6, golangci-lint-action v9,
codecov-action v5, ghaction-upx v4, goreleaser-action v7
- CI matrix: drop Go 1.22, test on 1.24 + 1.25
- Migrate tablewriter API from v0 to v1 (breaking change)
- Fix data race in WSTransport.readLoop (pass conn as parameter)
- Add file.Sync() before close in debrid and usenet downloaders
- Improve progress tracker: dedup MarkDone, re-mark dirty on flush error