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fix(mobile): prevent Android chat rows overlapping during sync - #10983

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juliusmarminge merged 1 commit into
pingdotgg:mainfrom
SunkenInTime:t3code/fix-mobile-sync-text-overlay
Sep 9, 2026
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fix(mobile): prevent Android chat rows overlapping during sync#10983
juliusmarminge merged 1 commit into
pingdotgg:mainfrom
SunkenInTime:t3code/fix-mobile-sync-text-overlay

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@SunkenInTime

@SunkenInTime SunkenInTime commented Sep 9, 2026

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Loading an Android chat during sync can leave assistant text drawn over the preceding attachment and timestamp until refresh. Reproduced the intermittent overlap with an attachment-only user message followed by a long assistant response.

Use LegendList's non-animated row positioning on Android instead of Reanimated layout transitions, including zero-duration transitions. Keep that choice stable during command expansion/collapse so the list does not swap container types and remount rows. iOS retains its existing transition path.

Validation: Android API 36 before/after with fresh conversations, plus a successful hardware-accelerated run with a command disclosure. iPhone 17 Pro / iOS 26.5 rendered the same fixture correctly, including delayed attachment loading. Mobile typecheck, 31 focused feed tests, formatting, and targeted lint passed (lint reports existing warnings). The failure was intermittent; subsequent upstream loads also sometimes passed, so these checks establish an Android reproduction, not proof that every iOS timing scenario is unaffected.

Recording limitation: native Android screen recording repeatedly stalled the emulator, including a System UI non-response. Before/after simulator screenshots are attached; a usable motion recording could not be captured.

Android before Android after
Assistant overlaps attachment Separate message rows

iOS verification screenshot

Model: GPT-6. Harness: Codex.

@github-actions github-actions Bot added vouch:trusted PR author is trusted by repo permissions or the VOUCHED list. size:S 10-29 changed lines (additions + deletions). labels Sep 9, 2026
@macroscopeapp

macroscopeapp Bot commented Sep 9, 2026

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Approvability

Verdict: Approved at 8fd6696

Macroscope's review found this PR approvable — This is a focused one-file mobile bug fix that disables the problematic Android row-layout transition path while preserving iOS behavior. Its runtime impact is limited to chat row positioning and animation, with no schema, security, billing, deployment, or static-analysis changes.

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coderabbitai Bot commented Sep 9, 2026

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Review Change StackReview Change Stack

No actionable comments were generated in the recent review. 🎉

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Reviewing files that changed from the base of the PR and between e16b8b0 and 8fd6696.

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

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📝 Walkthrough

Walkthrough

The thread feed now disables itemLayoutAnimation on Android to avoid stale native row positions during measurement races. iOS retains its existing disclosure and immediate layout transitions.

Changes

Thread feed layout behavior

Layer / File(s) Summary
Platform-specific layout animation
apps/mobile/src/features/threads/ThreadFeed.tsx
Android uses undefined for itemLayoutAnimation. iOS continues to use disclosure and immediate transitions based on settling state. The comment now documents the Android measurement race.

Priority: ➖ Normal

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

Merge Risk: ⚪ Minimal · up to 8fd66

Android thread rows now use non-animated positioning to prevent sync-time overlap, while iOS behavior remains unchanged. No current merge-blocking risk is identified.

Suggested reviewers: juliusmarminge, t3dotgg

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
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Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
Title check ✅ Passed The title clearly identifies the Android chat row overlap bug and the purpose of the fix.
Description check ✅ Passed The description explains the problem, the Android-specific implementation, iOS behavior, validation, test results, and UI evidence. It does not reproduce the template headings or checklist, but it cov…
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@juliusmarminge
juliusmarminge merged commit 75e4ceb into pingdotgg:main Sep 9, 2026
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github-actions Bot added a commit to omarcresp/t3code-flake that referenced this pull request Sep 10, 2026
## What's Changed
* fix(web): allow expanding duplicate tool call commands by @Yash-Singh1 in pingdotgg/t3code#10981
* fix(mobile): prevent Android chat rows overlapping during sync by @SunkenInTime in pingdotgg/t3code#10983
* fix(mobile): prevent text leaking through Android glass by @juliusmarminge in pingdotgg/t3code#10998
* feat(pull-requests): link multiple pull requests to threads by @juliusmarminge in pingdotgg/t3code#10839
* feat(search): find threads by linked pull request by @juliusmarminge in pingdotgg/t3code#10870
* feat(prs): navigate, merge and rebase GitHub stacks by @juliusmarminge in pingdotgg/t3code#10875
* fix(server): preserve recent PR reads across server restarts by @juliusmarminge in pingdotgg/t3code#11007
* feat(web): zoom and pan expanded images by @maria-rcks in pingdotgg/t3code#10869
* fix(ui): use available space for composer model names by @juliusmarminge in pingdotgg/t3code#11002


**Full Changelog**: pingdotgg/t3code@v0.0.41-nightly.20260909.1461...v0.0.41-nightly.20260910.1473

Upstream release: https://github.com/pingdotgg/t3code/releases/tag/v0.0.41-nightly.20260910.1473
aorwall added a commit to aorwall/t3code that referenced this pull request Sep 10, 2026
Merges `pingdotgg/t3code` `2a3035353..0f602b3` (16 commits) into the
fork.

- **Landed:** 283 files (`HEAD^1..HEAD`) against 277 in the upstream
range — `merge-stats.mjs` reports an exact 277/277 file match, so
nothing in the range was dropped and nothing extra came in. The six over
are three typecheck fixes and three fork docs, both listed below. Fork
delta 733 files (`HEAD^2..HEAD`).
- **Conflicts:** 6 files, all on one upstream feature (pingdotgg#10839, linking
several pull requests to a thread). Resolutions in
`docs/fork/upstream-merge-log.md`.
- **Sweep:** 13 owned-concern hits, all `infra/relay/**`
FCM/Android-push files under the decided-out `cloud-relay-connect`
concern. Inherited in tree, adopted by nothing.
- **Unsupported methods:** 0 ADD, 0 DROP — no
`packages/contracts/src/rpc.ts` edit needed.

## What upstream shipped

### Usable as-is against Moatless

Pure client work, no backend involvement — these are live the moment
this merges.

- **pingdotgg#11020** message copy buttons show on touch devices.
- **pingdotgg#11018** middle-click pastes in the terminal on Linux.
- **pingdotgg#10869** expanded images zoom and pan.
- **pingdotgg#11002** the composer uses the available space for model names.
- **pingdotgg#10981** duplicate tool-call commands can be expanded independently.
- **pingdotgg#10947** provider settings grow a bulk model toggle.
- **pingdotgg#10609** the PR list's diff counts return to the top right.
- **pingdotgg#11022** remote projects open in Zed
(`packages/contracts/src/editor.ts` plus the desktop shell — the fork
ships both).
- **pingdotgg#10998 / pingdotgg#10983 / pingdotgg#10964** three Android glass/overlap fixes in
`apps/mobile`.

### Unsupported in Moatless — needs backend implementation

- **pingdotgg#10839 — several pull requests per thread.** This is the substantive
decision in the merge. Upstream now carries `thread.pullRequests:
ThreadPullRequestLink[]`, `packages/shared/src/threadPullRequests.ts`,
and a `ThreadPullRequestBadgeControl` pill with its own `pull-requests`
stack tab. That is exactly the equivalent the fork's
`task-bound-pull-request` convergence entry said to re-home its `+N`
menu onto — but it cannot be re-homed yet: Moatless serves no
`pullRequests` array on a thread and does not advertise the new
`threadPullRequests` capability, so upstream's badge would resolve to
nothing and paint an empty pill over a working one. Taking `theirs`
would have silently deleted live fork behaviour.

**Resolution:** upstream's implementation landed whole, and the two
presentations are switched on `useSupportsMultiplePullRequests` —
upstream's badge and stack where the server advertises the capability,
the fork's binding-derived pill and `+N` menu where it does not.
Additive, no prop threading, and it re-homes itself the day the backend
advertises. `docs/fork/inventory.json` and `docs/fork/gaps.md` are
updated with the switch and with the exact deletion list for when that
happens.

**To close it:** serve `thread.pullRequests` on
`OrchestrationThread`/`OrchestrationThreadShell` from `task_bindings`,
and report `capabilities.threadPullRequests: true`.

- **pingdotgg#10870 — find threads by linked pull request.** Search terms come
off the same `thread.pullRequests` array, so sidebar and command-palette
search by PR number/URL match nothing here until the array is served.
Closes with pingdotgg#10839.

- **pingdotgg#10875 — navigate, merge and rebase GitHub stacks.** Adds two RPC
methods, `pullRequests.stack` and `pullRequests.linkedThreads`, which
the Moatless backend does not dispatch. Both are already covered by the
shared `PullRequestRpcError` union, so the client decodes the refusal
correctly and the stack UI stays inert — no contract change needed.
Implementing the two methods is what turns it on.

- **pingdotgg#10416 — Android agent notifications and ongoing activity.** Rides
FCM through `infra/relay`, which is part of the decided-out
`cloud-relay-connect` concern (being removed with Clerk). Inherited in
tree, not adopted.

### Backend behaviour worth reproducing in Moatless

- **pingdotgg#11007 — recent PR reads survive a server restart.** Upstream added
`apps/server/src/pullRequest/PullRequestReadCache.ts`, persisting which
pull requests a user has already read so a restart does not re-mark the
whole list unread. Moatless owns this surface itself, so nothing in this
repository holds it open — recorded so whoever touches the backend's PR
read state knows the answer exists upstream.

## Verification

`verify.mjs`, seven of eight green: `duplicate-adds`, `tripwires`,
`resolution-check`, `unsupported-methods`, `fmt:check`, `lint`,
`typecheck`.

`test` is red on `@t3tools/desktop` alone —
`scripts/browser-secret-native.test.mjs > bundled libsecret helper`
fails to compile because `libsecret-1` is not installed in this sandbox.
**Pre-existing environment gap, not merge-introduced:** it is already an
entry in `docs/fork/gaps.md`, and `git diff --name-only HEAD^1 HEAD |
grep browser-secret` is empty. 100 of 102 desktop files pass. Four
packages did not finish under `vp run -r test` (`@t3tools/mobile`, `t3`,
`@t3tools/web`, `t3code-relay`) and all four pass when run alone, which
is parallel load rather than the merge.

Three typecheck failures were fixed in the merge commit, all fork-only
web code that upstream's widened shared types reached:
`sandboxControl.placement.test.tsx` needed the two new `RightPanelTabs`
props, and `useSandboxAvailability.ts` / `useSandboxDetail.ts` needed
`isSuccess` threaded through now that `EnvironmentQueryView` carries it.

Nothing is unresolved.

---
Moatless task:
https://moatless.soaplabstest.com/tasks/db1b3cbe-4401-441b-bbec-6b0c725c93ce
@none23

none23 commented Sep 10, 2026

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It's discouraging to see my PR superceeded by an identical PR.
I don't think it was intentional though. Glad the fix landed

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