feat: info bar, timestamps, /jev-compact-context, autocompact, compaction (stacked on #132) - #133

issues found

S1024: should use time.Until instead of t.Sub(time.Now()) (staticcheck)

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-go@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/