[codex] Close right panel when its last tab closes

[juliusmarminge]

Summary

• close the right panel when its final surface is removed
• apply the same behavior when closing the final terminal pane or using Close All
• preserve neighboring-tab activation while other surfaces remain

Root cause

Surface-removal actions cleared activeSurfaceId but left isOpen set to true, which rendered an empty right panel after the last tab closed.

User impact

Closing the last tab now dismisses the right panel instead of leaving an empty panel visible.

Validation

• vp test apps/web/src/rightPanelStore.test.ts (26 tests)
• vp check
• vp run typecheck

Note

Close the right panel when its last tab or surface is removed

Previously, the right panel stayed open even after all surfaces or terminal panes were closed. Three handlers in rightPanelStore.ts are updated to set isOpen to false when no surfaces remain: closeTerminal, closeSurface, and closeAllSurfaces. Behavioral Change: the right panel now auto-closes when emptied, whereas before it remained open with no content.

^{Macroscope summarized 7295f63.}

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Note

Low Risk
Localized UI state in the right-panel Zustand store with updated unit tests; no auth, data, or API changes.

Overview
Fixes a bug where closing the last right-panel tab left an empty panel visible because isOpen stayed true after surfaces were cleared.

closeTerminal (when the final pane removes the surface), closeSurface, and closeAllSurfaces in rightPanelStore.ts now set isOpen to false when no surfaces remain (surfaces.length === 0). Closing a non-active surface also applies the same rule so the panel does not stay open after the last tab is gone. Neighboring-tab activation when other surfaces remain is unchanged.

Tests in rightPanelStore.test.ts expect isOpen: false for the last terminal pane, last surface, and close-all flows.

^{Reviewed by Cursor Bugbot for commit 7295f63. Bugbot is set up for automated code reviews on this repo. Configure here.}

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch t3code/close-empty-right-panel

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