fix: close the chat panel's reasoning menu and model quick-pick on Escape

[EtienneLescot]

Summary

• The reasoning effort menu (the chip beside the model) moves onto the shared Popover, as fix(editor): keep the Edit clip menu above the timeline and stop tooltips sticking after a click #1036 did for the Edit clip menu: Esc and a click outside close it, and focus returns to the chip.
• The model quick-pick closes on Esc, from its search field too, and gives focus back to the model pill.
• In both, Esc stops there, so no window-level shortcut acts on the same press.

Related issue

Closes #1039

Type of change

• Bug fix

Release impact

• Patch

Desktop impact

• Not platform-specific

Testing

• New tests in LeftPanel.tooltips.test.tsx: Esc and focus return for both menus, the outside click for the reasoning menu, and a window keydown listener that does not hear the Esc. They fail without the fix.
• The three LeftPanel test files (15 passed), both tsc configs, Biome.
• Not done: the menus in the app.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Bug Fixes
  • Pressing Escape closes the reasoning menu and model quick-pick, with keyboard focus returning to the corresponding trigger.
  • The model quick-pick stays open when Escape is used while a rewind confirmation is open.
  • Clicking outside the reasoning menu dismisses it.
  • Escape presses in these menus no longer trigger window-level keyboard handlers.

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Reviewing files that changed from the base of the PR and between 866b4e1 and 290bf8d.

📒 Files selected for processing (1)

• src/components/ai-edition/LeftPanel.tsx

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📝 Walkthrough

Walkthrough

The reasoning menu now uses shared popover components for positioning and dismissal. The model quick-pick closes on Escape and restores focus to its trigger. Tests cover Escape behavior, focus restoration, outside-pointer dismissal, and event propagation.

Changes

Composer menu dismissal and focus

Layer / File(s)	Summary
Reasoning menu popover and dismissal src/components/ai-edition/LeftPanel.tsx, src/components/ai-edition/LeftPanel.tooltips.test.tsx	The reasoning menu replaces its manually positioned portal with shared popover components. Tests cover Escape dismissal, focus restoration, and outside-pointer dismissal.
Model quick-pick Escape handling src/components/ai-edition/LeftPanel.tsx, src/components/ai-edition/LeftPanel.tooltips.test.tsx	When the quick-pick is open, a document-level Escape listener closes it and restores focus to its trigger. Tests check that Escape does not reach a window-level listener.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix · Severity of issue fixed: Medium

Suggested reviewers: arhxam

Merge Risk: 🔵 Low · up to 866b4

Escape can dismiss both the rewind confirmation and model picker at once. Fix the overlapping-layer behavior before merging, or accept this bounded interaction issue.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 2 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the main change: Escape closes the reasoning menu and model quick-pick.
Description check	✅ Passed	The description covers the change, linked issue, bug-fix and release impact, platform impact, and testing. It also notes that the menus were not tested in the app. The optional screenshots section is …
Linked Issues check	✅ Passed	Issue #1039 requires Escape to close both menus and restore focus, plus outside-click dismissal for the reasoning menu. LeftPanel.tsx uses the shared Popover for the reasoning menu and stops Escap…
Out of Scope Changes check	✅ Passed	The changes are limited to the two menus named in issue #1039 and tests for their dismissal and focus behavior. No unrelated changes appear in the pull request diff.

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Actionable comments posted: 1

🔇 Additional comments (2)

src/components/ai-edition/LeftPanel.tsx (1)

1507-1513: LGTM!

src/components/ai-edition/LeftPanel.tooltips.test.tsx (1)

257-265: 📐 Maintainability & Code Quality | 🔵 Trivial | 💤 Low value

⚠️ Unverified finding
Verification ran but could not confirm this finding. It is shown for review, not as a verified issue.

The outside-click test relies on a timer-based wait.

The test waits one setTimeout(0) tick for a listener that the comment says is armed after open. This ties the test to Radix internals. If Radix changes how it arms the listener, the test can become flaky. The test is acceptable as is. Consider a waitFor that fires pointerDown and checks the menu until it closes.

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🤖 Prompt to fix review comments

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Inline comments:
Review comments at @src/components/ai-edition/LeftPanel.tsx:
- Around line 858-869: Update the Escape handler in the effect around
ModelQuickPopover to skip closing the picker and restoring focus when rewindFor
is set, while still preventing default behavior and stopping propagation.
Include rewindFor in the effect dependencies so the handler uses its current
value.

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ℹ️ Review info

⚙️ Run configuration

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📒 Files selected for processing (2)

• src/components/ai-edition/LeftPanel.tooltips.test.tsx
• src/components/ai-edition/LeftPanel.tsx

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