fix(desktop): keep preview keystrokes out of the composer - #11354
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ApprovabilityVerdict: Not approved Macroscope's review found this PR not approvable — The PR substantially rewrites desktop preview keyboard automation, adding native delivery, nested-frame routing, delivery confirmation, and clipboard/editing behavior across existing production paths. Its asynchronous cross-renderer control flow and broad behavioral surface require human review. You can add or adjust custom eligibility rules. Learn more. |
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📝 WalkthroughWalkthroughPreview keyboard sequences now use Electron input fields and optional character events. Automation presses dispatch native input in the main frame or CDP events in focused iframe sessions. Trusted keyup receipts and control-epoch checks cover delivery and interruption cases. ChangesPreview keyboard input
Priority: ⬇️ Low Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant automationPress
participant WebContents
participant FocusedFrame
participant ChildCDPSession
automationPress->>WebContents: Check control epoch
alt Focused iframe exists
automationPress->>FocusedFrame: Resolve focused iframe
automationPress->>ChildCDPSession: Attach and dispatch frame key sequence
ChildCDPSession-->>automationPress: Detach after dispatch
else Main frame
automationPress->>WebContents: Enable focus emulation
automationPress->>WebContents: sendInputEvent keyDown, char, keyUp
WebContents-->>automationPress: Confirm trusted keyup
end
automationPress->>WebContents: Check control epoch
Merge Risk: 🟠 High · up to Pending clipboard work can modify the wrong selection or continue after human takeover, undermining the preview-input isolation this change is intended to provide. The remaining keyboard-selection and renderer-context issues should also be addressed before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@apps/desktop/src/preview/Manager.ts`:
- Around line 3948-3949: Update the automationPress input-dispatch path around
keySequence.keyDown and keySequence.char so unfocused BrowserWindow instances
are handled reliably: use an available mechanism that delivers events without
focus, or explicitly return an error when delivery cannot be guaranteed. Ensure
automationPress does not report success after undelivered input, and add an
integration test covering an unfocused window.
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apps/desktop/src/preview/Manager.test.tsapps/desktop/src/preview/Manager.tsapps/desktop/src/preview/PreviewKeyboard.test.tsapps/desktop/src/preview/PreviewKeyboard.ts
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Inline comments:
In `@apps/desktop/src/preview/PreviewKeyboard.ts`:
- Around line 245-246: Update the editable-element predicate in
PreviewKeyboard.ts to reuse Manager.ts’s text-control predicate, so only
editable text inputs and textareas bypass document-boundary scrolling; non-text
inputs such as checkbox, radio, button, and range must follow the scroll path.
Add coverage for Meta+ArrowUp and Meta+ArrowDown with a focused non-text input.
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Inline comments:
In `@apps/desktop/src/preview/PreviewKeyboard.ts`:
- Around line 267-270: Update the moveTo command handling in
previewAutomationEditingCommandExpression so focused HTMLInputElement and
HTMLTextAreaElement controls synchronize their selection before scrolling:
derive the target range using selectionStart and selectionEnd, apply it with
setSelectionRange(), and preserve both collapsed and extending selections. Keep
the existing directional scrollLeft behavior after updating the selection.
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apps/desktop/src/preview/Manager.test.tsapps/desktop/src/preview/Manager.tsapps/desktop/src/preview/PreviewKeyboard.ts
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- apps/desktop/src/preview/Manager.test.ts
- apps/desktop/src/preview/Manager.ts
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Inline comments:
In `@apps/desktop/src/preview/Manager.ts`:
- Around line 4080-4093: Update the flow around Page.createIsolatedWorld to
cache the isolated-world executionContextId per frame and document, reusing it
for repeated key presses instead of creating a new context each time. Invalidate
the cached entry on frame navigation and execution-context destruction, then
recreate it when needed while preserving the existing unavailable-context error
handling.
- Around line 4193-4220: Update automationPress before dispatchNativeFrameKey
and withNativeKeyReceipt to check whether the containing BrowserWindow is
focused; when it is unfocused, return the existing explicit unfocused-window
error immediately. Perform this guard before receipt setup,
Emulation.setFocusEmulationEnabled, or any wc.sendInputEvent calls, while
preserving the focused-window native dispatch path.
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Inline comments:
In `@apps/desktop/src/preview/Manager.ts`:
- Around line 4193-4196: The asynchronous clipboard flow around
send("Emulation.setFocusEmulationEnabled") and evaluate must revalidate control
immediately before any mutation. Separate clipboard reading from event
dispatch/edit execution, call checkControl after the read and before dispatching
events or invoking execCommand, and add a test covering a held clipboard read
followed by human input that verifies no edit occurs.
In `@apps/desktop/src/preview/PreviewKeyboard.ts`:
- Around line 261-267: After the awaited clipboard reads in the paste handler,
resolve the current deep active element again and abort if it is not identical
to the originally captured element. Ensure subsequent event dispatch and
document.execCommand use the validated target, preserving the existing clipboard
transfer behavior.
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This was referenced Sep 12, 2026
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Merges `upstream/main` at `e81606494` into the fork, from merge base `02297e3db` — 47 upstream commits. The theme of this range is scopable settings: upstream made every server setting addressable at a scope (global / environment / project) with per-project overrides, which is why 11 of the 15 conflicts are settings files. The rest is conversation rewind, floating device streams, and a large batch of message-sync and markdown-streaming perf work. ## Merge stats - Landed (`HEAD^1..HEAD`): 277 files, 17243+/4783− - Upstream range (base..`HEAD^2`): 275 files, 17011+/4749− - Fork delta (`HEAD^2..HEAD`): 756 files, 76559+/2096− The two file lists reconcile: the 3 extra landed files are `docs/fork/inventory.json`, `docs/fork/upstream-merge-log.md` and `docs/fork/gaps.md`; the 1 file in the range that did not land is `apps/web/src/routes/settings.integrations.tsx`, resolved `ours` per the `moatless-admin-integrations-route` inventory entry (that route is a Moatless admin page here, and upstream's embedded-surface settings live at `/settings/browser`). All 15 conflicts were resolved by the verdict `preflight.mjs` printed. No `decide` conflict was left unresolved. Details, including the owned-concern sweep (no keyword hits) and the unsupported-method reconciliation (0 ADD, 0 DROP, 2 KEEP, 4 known exceptions), are in the dated entry in `docs/fork/upstream-merge-log.md`. Two findings worth naming here: - **A silent auto-merge failure.** pingdotgg#11285 changed the mini-player target from a tab id to a source union. Git updated upstream's own assertion in `PreviewView.test.tsx` and left the fork-only "under the frame capability" case next to it still asserting the old string. No conflict marker, no `resolution-check.mjs` finding — only the fork's own test suite caught it. - **Stale inventory anchors.** Upstream moved the project Actions section out of `ProjectSettingsPanel.tsx` into a new `ProjectActionsSettings.tsx`, which is where `scriptsEditable` is now derived and where upstream's new writing Reset button is gated. Four inventory entries were re-pointed in this merge rather than silently dropping their deltas. ## Usable as-is Client work the fork can expose with no Moatless backend change: - Scoped settings UI and the two-select scope picker (pingdotgg#10639, pingdotgg#10636) — `SettingsScopeContext`, `ScopedSwitch`, `settingKeys`, the `mixed` state. The reading half works against Moatless today. - Float device streams over chat, as a source union rather than a tab id (pingdotgg#11285); recording status on floating previews (pingdotgg#11312); floating preview using composer margins (pingdotgg#11290). - PR-page selections into new drafts (pingdotgg#11296); projects-on-another-machine badge (pingdotgg#11323); Usage opening on Limits (pingdotgg#11261). - macOS permission onboarding (pingdotgg#11289); hold-to-quit fix (pingdotgg#11016); preview keystrokes kept out of the composer (pingdotgg#11354). - Message-sync and markdown-streaming perf: pingdotgg#11302, pingdotgg#11029, pingdotgg#11211, pingdotgg#11198, pingdotgg#11196, pingdotgg#11193, pingdotgg#11181, pingdotgg#11206. - Assorted web/mobile fixes: pingdotgg#11361, pingdotgg#10757, pingdotgg#11357, pingdotgg#10571, pingdotgg#11348, pingdotgg#11349, pingdotgg#11281, pingdotgg#11188, pingdotgg#11283, pingdotgg#11292, pingdotgg#11187, pingdotgg#11228, pingdotgg#11103, pingdotgg#10612, pingdotgg#11032, pingdotgg#11233, pingdotgg#11234, pingdotgg#11304, pingdotgg#11240. ## Unsupported in Moatless / needs implementation - **Conversation rewind** — `thread.conversation.revert` (pingdotgg#11358). A new member of `DispatchableClientOrchestrationCommand` in `packages/contracts/src/orchestration.ts`, bringing the fork to 30 command types (28 upstream's, 2 fork-only). Moatless does not dispatch it, and a client command cannot be refused per-type, so "Edit from here" on `RevertUserMessageButton` is reachable whenever the turn is idle and does nothing. Needs backend dispatch. - **Per-project setting overrides** — the `projectSettingsOverrides` capability and the 17-key `ProjectSettingsOverrides` record (pingdotgg#11176). Two pieces are needed: the capability reported by `/.well-known/t3/environment`, and `server.updateSettings` served at project scope. Until both land, the capability filter in `scopedSettings.ts:170` and `ProjectActionsSettings.tsx:72` drops the write on the client — the control renders, the user toggles it, and **the write never leaves the browser**. A silent no-op is worse than a hidden control or an honest refusal; recorded in `docs/fork/gaps.md`. - **Default thread permissions** — `defaultRuntimeMode` (pingdotgg#11346). Reads fine, cannot be saved. Same `server.updateSettings` write path as above, one level deeper, not a separate gap. ## Backend behavior to consider reproducing in Moatless Upstream server-side work the fork cannot use directly, but that Moatless would benefit from: - **Queue messages during context compaction** (pingdotgg#11107, `ProviderCommandReactor.ts`) — a message sent while compaction is in flight is currently dropped rather than held. - **Restore provider history and prompts when rewinding** (pingdotgg#11338, `CheckpointReactor.ts`) — the counterpart to `thread.conversation.revert` above; rewinding the thread without rewinding provider state leaves the two out of sync. - **Detect file renames in review diffs** (pingdotgg#8086, `apps/server/src/vcs/GitVcsDriverCore.ts`) — a rename currently reads as a whole-file delete plus a whole-file add. - **Preserve qualified Codex model ids** (pingdotgg#9921, `ModelManifest.ts` + `CodexTextGeneration.ts`). - **Model defaults** astra-medium / fable-5.1-medium (pingdotgg#11347). All five are recorded under the runtime-fixes entry in `docs/fork/gaps.md`. ## Verification `verify.mjs` (full pass): 7 of 8 checks green — `duplicate-adds`, `tripwires`, `resolution-check`, `unsupported-methods`, `fmt:check`, `lint`, `typecheck`. `test` is red on **`@t3tools/desktop` only**, at `scripts/browser-secret-native.test.mjs > bundled libsecret helper`: `Command failed: pkg-config --cflags --libs libsecret-1`. This is the standing sandbox gap, not a merge regression — the test file's last commit is `498ab9c39` (pingdotgg#7261, before the merge base), `git diff --name-only` against both merge parents is empty for it, and `pkg-config --exists libsecret-1` fails in this environment. It is already an entry in `docs/fork/gaps.md`. Every other package passes, including `@t3tools/web` (5079 tests) after the `PreviewView.test.tsx` fix above. Three typecheck failures the merge introduced were fixed in it: `SETTINGS_CATEGORY_SCOPES` in `settingsSearch.ts` was missing all 9 fork-only settings paths, and two `filterAvailableSettingsSearchItems` literals in `settingsSearch.test.ts` were missing the fork's `forgejoEnabled` field. 🤖 Generated with [Claude Code](https://claude.com/claude-code) --- Moatless task: https://moatless.soaplabstest.com/tasks/e70b41b3-779d-43b8-8f34-7de516548e7c
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## What's Changed * feat(web): show recording status on floating previews by @maria-rcks in pingdotgg/t3code#11312 * fix(desktop): hold-to-quit no longer strands the quit by @maria-rcks in pingdotgg/t3code#11016 * feat(web): mark projects on another machine in project pickers by @maria-rcks in pingdotgg/t3code#11323 * fix(web): show pointer cursors on pull request controls by @shivamhwp in pingdotgg/t3code#11283 * fix(web): themed panel toggles show their disabled state by @flamboh in pingdotgg/t3code#11188 * fix(web): use branch wording in commit dialogs by @shivamhwp in pingdotgg/t3code#11281 * fix(mobile): keep Android file icons on the line with wrapped filenames by @SunkenInTime in pingdotgg/t3code#11234 * fix(codex): preserve qualified model ids in selection and generation by @maria-rcks in pingdotgg/t3code#9921 * feat(desktop): share macOS permission onboarding by @juliusmarminge in pingdotgg/t3code#11289 * fix(test): drain worker broadcasts before restoring browser globals by @maria-rcks in pingdotgg/t3code#11349 * fix(web): disable linked pull requests when none are linked by @maria-rcks in pingdotgg/t3code#11348 * fix(models): default to astra medium and fable 5.1 medium by @maria-rcks in pingdotgg/t3code#11347 * fix(web): align provider settings with shared settings rows by @maria-rcks in pingdotgg/t3code#10571 * feat(settings): configure default permissions for new threads by @maria-rcks in pingdotgg/t3code#11346 * fix: restore provider history and prompts when rewinding by @maria-rcks in pingdotgg/t3code#11338 * fix(web): keep comment actions visible when pr comments are folded by @maria-rcks in pingdotgg/t3code#11357 * feat: rewind conversations while keeping file changes by @maria-rcks in pingdotgg/t3code#11358 * fix(web): keep sidebar scroll position when pinning threads by @saphid in pingdotgg/t3code#10757 * fix(web): remove pr description reactions by @maria-rcks in pingdotgg/t3code#11361 * fix(desktop): keep preview keystrokes out of the composer by @maria-rcks in pingdotgg/t3code#11354 **Full Changelog**: pingdotgg/t3code@v0.0.41-nightly.20260911.1564...v0.0.41-nightly.20260912.1576 Upstream release: https://github.com/pingdotgg/t3code/releases/tag/v0.0.41-nightly.20260912.1576
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Conflict in apps/desktop/src/preview/Manager.ts: kept upstream's new performAutomationPress from pingdotgg#11354 (native key dispatch, no focus change) and dropped pingdotgg#10982's press-side restore, which that rewrite made moot. The preview_click focus restore from pingdotgg#10982 is unchanged. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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background preview enter could reach the focused desktop composer and send an unfinished draft while an agent was working. production logs put the unintended submission 423 ms after preview_press started; an isolated electron reproduction confirmed the host received the key.
resolve the focused preview frame once, derive native packets from the existing keyboard builder, and suppress forwarding to the desktop. retain bounded focus emulation, frame-specific routing, and editing shortcuts so background previews keep working.
verified: 105 focused tests, desktop typecheck, targeted lint, and the real composer with a running codex provider in electron 44.1.0 on linux. background enter preserves the draft, typing continues, and intentional enter still sends. additional runtime checks cover unfocused typing, unhandled shortcuts, cross-origin iframe input, copy/paste/cut, undo/redo, scrolling, plain-http paste, keyup interception, enter navigation, immediate select-all/backspace, backward selections, and rich-html paste sanitization. the mac command branch was exercised on linux; native macos remains unverified.
before: background enter sends the unfinished draft.
composer-before.mp4
after: background enter leaves the draft intact, and typing continues.
composer-after.mp4
after: unfocused preview typing and clipboard shortcuts preserve the host draft while the provider works.
t3-trimmed-after.mp4
model:
gpt-6-astra. harness: codex.Summary by CodeRabbit