v2.1.7 - Polimento + Governanca + Bugs (18 items)

Lote 1 — Bugs impeditivos (3)

• install.js: $env:TEMP em double quotes — expande no Windows
• monitor.js: SIGINT handler funcional no Windows via process.on
• doctor.js: execSync → execFileSync com timeout=5000

Lote 2 — Cross-platform (5)

• monitor.js: 3 execSync → execFileSync (atomic, ecc2, fallow)
• detector.js: 8 harness detect calls convertidos para execFileSync
• sprint.js: ENOENT handling amigável
• Doctor version checks com timeout

Lote 3 — Performance (5)

• stop.py: collect_project_files() cache elimina 35 rglob redundantes
• install.js: 3 sync copy loops → async Promise.all + fs/promises.copyFile
• doctor.js: Node + Python version checks em paralelo via Promise.all

Lote 4 — Documentação (1)

• README: seção "Modo de Uso" completa

Lote 5 — Governança & Safety (4)

• Auto-commit worktrees: git_worktree_autosave.py — previne data loss no Agent View
• Graceful degradation: Instalador emite warnings para Codex/Gemini (sem hooks API)
• Typecheck complementar: qg.py roda npx tsc --noEmit após Fallow
• Limpeza zumbi: stop.py + gc.py varrem e matam tmux kill-session -t claude-team-* órfãs