docs(rewrite): status update

docs/rewrite/INTEGRATION_TODO.md

@@ -19,3 +19,4 @@ Collected from agent reports; resolve during integration phases.
 - [ ] cli: wire list-fonts/show-face (font discovery) and new-window (GTK IPC); call build_info::set from root/apprt.
 - [ ] input: ActionKey::docs() has extra trailing blank line for 4 actions (cli works around locally).
 - [ ] vt: x11_color lacks name listing with original case (cli re-parses rgb.txt).
+- [ ] apprt: Scrollbar/RendererHealth stand-ins → terminal/renderer types; core implements AppMailbox<S>.

docs/rewrite/STATUS.md

@@ -18,10 +18,13 @@ Legend: ⬜ todo · 🟨 in progress · ✅ done (gate passed, committed) · ⚠
 | IO1 | termio: pty, Command, shell integration, terminfo | sonnet | ✅ | |
 | C1 | cli actions | sonnet | ✅ | list-fonts, show-face, new-window deferred | |
 | T2 | terminal: Screen, ScreenSet, Tabstops, Selection | sonnet | 🟨 | |
-| R1 | renderer: OpenGL base, shaders, shadertoy, size, cursor | sonnet | 🟨 | |
+| R1 | renderer: OpenGL base, shaders, shadertoy, size, cursor | sonnet | ✅ | |
+| A0 | apprt contract types | sonnet | ✅ | |
+| G1 | apprt-gtk (GTK4/libadwaita app) | sonnet | 🟨 | against CoreApp/CoreSurface traits |
 
 ## Log
 - 2026-10-11: Phase 0 complete; Phase 1 launched.
 - 2026-10-11: vt (W1+W2) and font sprite (W7) committed; S1 + T1 launched.
 - 2026-10-11: Phase 1 done (vt, unicode, datastruct, os, input, config, font sprite). F1, IO1, C1 launched; T1 (Codex) still running.
 - 2026-10-11: termio IO1 + font F1 committed. T1 partial (snapshot reflow, head-walking pins) → Codex round 2 in worktree. T2, R1 launched.
+- 2026-10-11: cli, apprt contract, renderer base committed. G1 (GTK) launched.