feat(core): klien Docker SDK + tia-love doctor (docker/audio/go/stacks) + e2e doctor

README.md

@@ -13,8 +13,9 @@ Status: **Phase 0 — fondasi** (lihat roadmap di `docs/PRD.md` §8).
 ```bash
 make build          # menghasilkan ./tia-love
 ./tia-love          # buka TUI
+./tia-love doctor   # periksa kesehatan sistem (docker/audio/stack)
 ./tia-love version  # versi & build info
-make test           # unit test
+make test           # unit test + e2e
 ```
 
 Nama binary final: **`tia-love`** (nama produk tetap **tia**).