CHECKOUT /home/user/main 575579d68ac4bae09f8426a345d4a3eac1e90c67
- Consumers are a few lines of slots, and the slots carry the styling:
  [`ComposerActivityStatus.tsx`](../../apps/web/src/components/chat/ComposerActivityStatus.tsx).

TARGET apps/web/src/components/chat/ComposerActivityStatus.tsx EXISTS false
- Consumers such as `ComposerActivityStatus.tsx`, `ComposerStashBadge.tsx`, and `ComposerPlanFollowUpBanner.tsx` are a few lines of `<ComposerBanner.Row><ComposerBanner.Icon/><ComposerBanner.Content>…` with no styling of their own.
CHECKOUT /home/user/t3code 12dc9c4163ef263673436a52c89a367bfa2d0e0b
- Consumers are a few lines of slots, and the slots carry the banner styling:
  [`ComposerPlanFollowUpBanner.tsx`](../../apps/web/src/components/chat/ComposerPlanFollowUpBanner.tsx).

TARGET apps/web/src/components/chat/ComposerPlanFollowUpBanner.tsx EXISTS true
- Consumers such as `ComposerPlanFollowUpBanner.tsx` are a few lines of `<ComposerBanner.Row><ComposerBanner.Icon/><ComposerBanner.Content>…` and style only their own content.

Real runtime verification (Playwright 1.60, /usr/bin/google-chrome):
Main: vp i; background vp run dev --no-seed, serverPort=16733 webPort=8693.
PR: vp i; background vp run dev --no-seed --home-dir /home/user/t3code/.t3, serverPort=13773 webPort=5733.
Only one dev server ran at a time; main stopped before PR startup.
Project added using UI Local folder: /home/user/t3code (real git repository).
Provider selected using model picker: Codex gpt-6.1-sol, low reasoning.
Settings > Labs > Plan mode (legacy) enabled via UI.
Main and PR: /plan, submit identical request titled Banner verification.
Observed: proposed plan rendered; Plan ready banner and title visible; Implement available.
PR: enter plan feedback, click Refine; real provider returned exactly two steps; Plan ready restored.
PR: click Plan to switch to Build; submit normal reply request.
Observed final assistant response: normal reply verified. No file changes.
No mocks, replay provider, fixtures, or demo data used.

Blacksmith: vp i; fetch missing ancestor history; vp run check:changed 15fe2832727893cbdd2214383f9f971474849695
Result: pass format, 2 files; dependency and code checks skipped because only guidance changed.
All three component links in the documentation banner section resolve.
Macroscope execution of the changed review prompt was not run.