Sandbox (sandbox-exec/firejail/docker), speculative reads, plan mode, batch approval,
crash journal+resume, cost forecast, smarter compression, image paste in TUI,
skill auto-suggest, /metrics dashboard, marketplace browse (anthropics/skills + MCP servers),
migration from Claude Code, multi-user web with presence.

3591 backend tests + 484 vitest tests, 0 tsc errors, dist/cli.js 13.98 MB.