🤖 feat: single-line immersive review TODO bar

[ammar-agent]

Summary

Collapse the immersive-review agent TODO bar from two stacked rows into a single line. The "TODO" label, the agent's plan (rendered as the existing horizontally-scrolling strip), and the live streaming/question chip now all share one row, and the bar is no longer collapsible.

Background

The TODO bar at the top of immersive review previously rendered two rows: a header button (TODO · summary + expand chevron + streaming chip) above a separate full-width plan strip that appeared when expanded. That reserved more vertical space than necessary in the review viewport. The ask was to make it one line; per follow-up, the collapse affordance isn't needed either.

Implementation

• ImmersiveReviewAgentStatusBar.tsx: replaced the toggle button + conditional strip with a single min-h-7 flex row — a static List + "TODO" label, the TodoList (layout="horizontal") strip in a min-w-0 flex-1 container so it scrolls sideways and stays bounded, and the streaming chip pinned right via the existing renderStatusChip. Removed the persisted expanded state, the now-redundant count-summary computation, and the unused ChevronDown/ChevronRight/usePersistedState imports. Used min-h-7 rather than a fixed h-7 so the row grows to the strip's natural height instead of clipping the chips.
• storage.ts: removed getImmersiveReviewAgentBarExpandedKey (its only consumer) and its entry in the ephemeral-key cleanup list.
• Tests/stories: updated the unit test to assert the single-line plan renders with no collapse button, dropped the collapse/persistence test, and refreshed story comments. The streaming-only (no-plan) path is unchanged.

Risks

Low. Scoped to the immersive-review status bar's presentation; no change to streaming/question state wiring or the leaf-subscription re-render isolation. Removing the persisted-expand key is safe — it was a transient, not-copied-on-fork UI preference, and stale localStorage entries are simply ignored.

---

Generated with mux • Model: anthropic:claude-opus-4-8 • Thinking: xhigh • Cost: $1.92

[ammar-agent]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Chef's kiss.

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".