docs: update frontend contract pr status

Author: Astro-Han

.github/frontend-architecture-manifest.md

@@ -170,7 +170,7 @@ bun run frontend:inventory -- --format markdown --max-rows 120
 | PR | Owner lane | Base | Depends on | Boundary | Architecture effect | Verification | Status | Public write status |
 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
 | Governance PR | #599 mainline / governance | `dev` | None | Manifest, schema, owner map, warn-only script, baseline report command | boundary created, owner map established, ratchet command added | `bun run frontend:inventory`, `node script/frontend-inventory.mjs --format json`, `bun run frontend:inventory -- --format markdown --max-rows 120` | in progress | PR body only |
-| Contract PR | #638 interface audit | `codex/frontend-architecture-governance` | Governance PR #667 | `@opencode-ai/ui/tool-contract` public export for shared tool-name constants and compatibility tests | public contract stabilized, private tool-name literals reduced | app/ui focused tests plus typecheck/lint | in progress | PR body only |
+| Contract PR #669 | #638 interface audit | `codex/frontend-architecture-governance` | Governance PR #667 | `@opencode-ai/ui/tool-contract` public export for shared tool-name constants and compatibility tests | public contract stabilized, private tool-name literals reduced | app/ui focused tests plus typecheck/lint | ready PR open | PR body only |
 | Message-flow PR stack | #601 message flow | post-governance `dev` unless stacked | Governance PR, maybe Contract PR if public imports move | Current launch-path message flow files only | owner extracted, LOC reduced, verification added | typecheck, unit/e2e, #600 perf gate, visual smoke | planned | PR body only |
 | Scroll/perf PR stack | #595/#615 scroll-perf | `dev` or message-flow stack if shared files force it | Governance PR | Scroll owner and perf guard work only | owner extracted, perf verification added | typecheck, targeted unit/e2e, #600 perf gate | planned | PR body only |
 | Settings PR stack | #604 settings | `dev` after checking #642 overlap | Governance PR | Settings page/dialog family only | owner extracted, LOC reduced | typecheck, settings tests/e2e/manual UI check | planned | PR body only |