fix(web): stop the worktree setup card from flashing and shifting - #12015
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Promoting a draft to its server thread swapped route components, which unmounted ChatView and painted an empty timeline for a frame. The setup card also changed shape at every phase: its own header gave way to the working header, the stage list was replaced by a lone script row once the agent started, the output tail grew and wrapped with each line, and a script that outlived the reply trailed the assistant's message. Both thread routes now render one ThreadRouteView from the _chat layout, keyed by the thread id the draft already reserved, so promotion is a prop change on a mounted element. The working header is the only header for the setup's whole life and swaps its text in place. The stage list keeps its footprint until the agent takes over, then leaves; a still-running script is surfaced as a chip in the working header that opens the stages and live tail in a popover. The tail is a fixed four-line box that never wraps, and the server splits script output on bare carriage returns so progress redraws stay short lines. A clean finish leaves no trace; a failed script keeps a collapsed row under the send while the turn runs. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Thread transfer impact✅ Thread transfer remains within every enforced ceiling.
Baseline: Scenario and decoded snapshot size10 historical turns, 5 command tools per turn, 878.9 KiB retained MCP result per historical turn, and a 1.05 MiB retained result in the measured turn.
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ApprovabilityVerdict: Not approved Macroscope's review found this PR not approvable — This change spans server output parsing, worktree setup lifecycle/UI behavior, timeline rendering, and shared route/component ownership, including a substantial new route-level component. The resulting runtime and navigation changes are broader than a contained layout fix and merit human review. You can add or adjust custom eligibility rules. Learn more. |
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Included review availability: Your plan provides up to 10 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughThe change separates carriage-return installer progress, centralizes draft and thread chat rendering, and updates worktree setup visibility, timeline placement, progress popovers, and settled-state summaries. ChangesTerminal output parsing
Worktree setup and shared chat routing
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant ChatRouteLayout
participant ThreadRouteView
participant ChatView
participant MessagesTimeline
participant WorktreeSetupCard
ChatRouteLayout->>ThreadRouteView: resolve draft or server-thread target
ThreadRouteView->>ChatView: render keyed chat surface
ChatView->>MessagesTimeline: derive worktree setup rows and activity
MessagesTimeline->>WorktreeSetupCard: render setup progress or settled summary
Merge Risk: ⚪ Minimal · up to No concrete merge-blocking risk remains in the supplied review context. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In `@apps/web/src/components/chat/MessagesTimeline.logic.ts`:
- Line 1324: Update the setup-path returns in the message timeline logic to use
a shared finalization helper that attaches trailing tool groups and appends
queuedMessages. Ensure every early return and the normal finalization path
includes queued follow-up bubbles before returning.
- Line 1293: Update the setup visibility policy in deriveMessagesTimelineRows
and resolveVisibleWorktreeSetup so handed-off setups with phase "running" remain
visible even when isWorking is false, and done snapshots containing failed
stages remain visible regardless of turn state. Continue allowing clean done
snapshots to be hidden.
In `@apps/web/src/components/chat/WorktreeSetupCard.tsx`:
- Around line 300-304: Update the summary derivation near scriptFailed so
snapshot.phase determines the collapsed status and label for failed or cancelled
phases; only apply the setup-script failure override when snapshot.phase is
"done". Preserve the existing successful "Worktree ready" result for completed
snapshots without a failed setup script.
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apps/server/src/project/ProjectSetupScriptRunner.test.tsapps/server/src/project/ProjectSetupScriptRunner.tsapps/web/src/components/ChatView.logic.test.tsapps/web/src/components/ChatView.logic.tsapps/web/src/components/ThreadRouteView.tsxapps/web/src/components/chat/MessagesTimeline.logic.test.tsapps/web/src/components/chat/MessagesTimeline.logic.tsapps/web/src/components/chat/MessagesTimeline.tsxapps/web/src/components/chat/WorktreeSetupCard.tsxapps/web/src/routes/_chat.$environmentId.$threadId.tsxapps/web/src/routes/_chat.draft.$draftId.tsxapps/web/src/routes/_chat.tsx
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Review follow-ups. Keying ChatView by thread ref remounted it on every thread-to-thread navigation; key by draft id instead (latched for the promoted thread's on-screen lifetime) so a draft keeps its own instance through promotion while plain threads reuse one. Make a failed setup script's row independent of whether a later turn is running, so it stops popping in and out at turn boundaries. Route every setup state through the same timeline tail so the working, thinking, and queued-message rows never go missing. Derive the collapsed summary from the setup's phase so failed and cancelled setups do not read as ready. Use the Button primitive for the chip. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Posted via Macroscope — Effect Service Conventions
A failed setup script's row was kept for the thread's whole life, so it rode along on every follow-up turn. The setup belongs to the first turn: once the user sends another message, every settled outcome is history and nothing is shown again. Only a script that is still running survives a follow-up. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Actionable comments posted: 1
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Inline comments:
In `@apps/web/src/components/ChatView.tsx`:
- Line 3532: Update the followUpSent calculation in the ChatView send path to
count ID-deduplicated timelineMessages rather than only serverMessages, so
optimistic follow-up messages immediately retire settled worktree setup rows
while preserving the existing user-role filtering.
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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## What's Changed * fix(server): detect unsupported legacy Android command-line tools by @Yash-Singh1 in pingdotgg/t3code#12017 * fix(web): stop the worktree setup card from flashing and shifting by @juliusmarminge in pingdotgg/t3code#12015 * fix(clients): show unsupported environments as neutral rows with their machine icon by @juliusmarminge in pingdotgg/t3code#12026 * fix(clients): hold the discovered machine icon across relay refreshes by @juliusmarminge in pingdotgg/t3code#12030 * fix(server): resolve Node for standalone helper scripts by @juliusmarminge in pingdotgg/t3code#12033 * feat(web): reveal timestamps on tool rows and turn folds by @saphid in pingdotgg/t3code#8641 * docs: make the standalone installer the primary way to get the CLI by @juliusmarminge in pingdotgg/t3code#11696 **Full Changelog**: pingdotgg/t3code@v0.0.41-nightly.20260916.1795...v0.0.43-nightly.20260916.1811 Upstream release: https://github.com/pingdotgg/t3code/releases/tag/v0.0.43-nightly.20260916.1811
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Merges `pingdotgg/t3code` `6d1d549441` into the fork, from base `0bf2d6b010` — 50 commits. - **Landed:** 410 files against 407 in the upstream range; the gap of 3 is `docs/fork/gaps.md`, `inventory.json` and `upstream-merge-log.md`. Everything in the range landed. - **Fork delta:** 777 files. - **Verification:** all 9 `verify.mjs` checks pass, tests green in all 15 packages. - **Unsupported methods:** ADD 0, DROP 0 — `packages/contracts/src/rpc.ts` and `auth.ts` are untouched. Upstream added no WebSocket method in this range. ## The one that mattered Upstream's pingdotgg#12015 moved the **entire body of the thread route** out of `apps/web/src/routes/_chat.$environmentId.$threadId.tsx` and into a new upstream file, `apps/web/src/components/ThreadRouteView.tsx`, rendered by the `_chat` layout so a draft's promotion keeps the same `ChatView` mounted. The route file is now a seven-line stub. Three fork deltas lived in that file. They moved with it: `useAdoptedThread`, `useAutoFollowThread` and the `serverThreadAwaitingFirstAnswer` argument to `resolveThreadRouteRenderState`, all reading `target.kind === "server" ? target.threadRef : null` — a draft's reserved ref is the viewer's own work and the listing carries it without being asked. The `unlisted-thread-adoption` and `thread-follow` inventory entries were re-pointed at the new file. The fork's own delta guard is what caught this. The merge was clean and typecheck was green; `features.test.ts` failed because `useAutoFollowThread` was no longer in a file the inventory said it had to be in. ## Conflicts 8 files, each resolved with the verdict `preflight.mjs` printed. Details in the tracker entry; the short form: | file | verdict | resolution | | --- | --- | --- | | `routes/_chat.$environmentId.$threadId.tsx` | unlisted | took upstream's stub, deltas relocated (above) | | `chat/MessagesTimeline.tsx` | `message-origin-upstream-files` | both sides of `TimelineRowActivityState`, its memo and its deps merged; dropped upstream's now-unused `GitPullRequestIcon` | | `ThreadStatusIndicators.tsx` | `thread-status-indicators` | fork's memo above upstream's early return — hooks before any conditional `return null` | | `settings/ProviderInstanceCard.tsx` | unlisted, in `moatless-provider-auth` | kept the `FEATURES.providerConfiguration` ternary, took upstream's container-query classNames inside it | | `settings/SettingsPanels.tsx` | `settings-surface-gates` | re-stated the fork's browser clause onto upstream's rewritten `proactive-panels` text | | `BranchToolbar.tsx` | `branch-toolbar-gates` | import block, both sides kept | | `RightPanelTabs.tsx` | `right-panel-surfaces` | import block, both sides kept | | `pnpm-lock.yaml` | `theirs — lockfile` | `--theirs` then `vp i`, re-derived lockfile committed | ## Path policy closed a hole `resolution-check` listed eight unlisted paths both sides changed; **seven carried a real fork delta**, so next merge's `theirs` fallback would have dropped them silently. All seven are now listed — five new entries (`command-palette-gates`, `diff-panel-gates`, `provider-settings-gates`, `chat-layout-route`, `client-runtime-exports`) plus `rightPanelStore.test.ts` added to `right-panel-surfaces`. The eighth is the thread route stub, which resolved to upstream byte for byte. ## Usable as-is Client work that runs against the Moatless backend today: - **pingdotgg#12015** worktree setup card no longer flashes or shifts (the relocation above) · **pingdotgg#12144** thread reading positions are preserved · **pingdotgg#12162** header spacing stays stable when the sidebar drawer opens - **pingdotgg#8641** timestamps on tool rows and turn folds · **pingdotgg#12152** those timestamps sit before the disclosure chevron · **pingdotgg#12147** thoughts group into the changing tool activity line - **pingdotgg#12075** send-shortcut and follow-up controls · **pingdotgg#12160** rich text composer on by default · **pingdotgg#12165** composer task rows aligned · **pingdotgg#11787** tooltips on the composer's environment and workspace controls · **pingdotgg#12082** simpler agent approval prompts - **pingdotgg#12139** diff panel defaults to the working tree · **pingdotgg#12190** diff files collapse by default · **pingdotgg#12142** a linked pull request wins over an automatic diff - **pingdotgg#12143** themes picked from chat with colour previews · **pingdotgg#12138** provider settings adapt to content width · **pingdotgg#12167** follow-up and license controls aligned - **pingdotgg#12026** unsupported environments render as neutral rows with their machine icon · **pingdotgg#12030** a discovered machine's icon survives a relay refresh · **pingdotgg#12001** dropped folders become path chips locally and are refused on remote environments - **pingdotgg#11144** pull-request icon state centralised — a refactor the fork's own badge filtering now rides Not fork surfaces, landed for completeness: the mobile work (pingdotgg#11841, pingdotgg#12169, pingdotgg#12177, version bump), the CLI installer progress bar (pingdotgg#12044), docs (pingdotgg#11696), release chores and the Fable 5.1 badge (pingdotgg#12173). ## Unsupported in Moatless / needs implementation - **Pull request surface** — `FEATURES.pullRequestSurface` is off, so none of this merge's pull-request work is reachable: **pingdotgg#11994** (submit PR comments with Cmd/Ctrl+Enter), **pingdotgg#12150** (comments easier to scan, `apps/web/src/components/pullRequest/**` plus a `pullRequest.ts` contract field), **pingdotgg#12168** (cached GitHub PR details reused across entry points), **pingdotgg#12125** and **pingdotgg#11728** (author avatars and their fallback). **pingdotgg#11706** needs backend work on top: private-repository media in PR tabs goes through a new `packages/contracts/src/assets.ts` proxy that Moatless would have to serve. Opening the surface means deleting the `pullRequestSurface` entry and its gates, and dispatching `pullRequests.list` / `.detail` / `.activity` — only `pullRequests.summary` is served today. - **Keybindings settings page** — **pingdotgg#12175** turns every keybinding command into a searchable settings row pointing at `/settings/keybindings`, which `FEATURES.serverAdministration` keeps out of the sidebar and redirects on a typed URL. The rows still match in settings search and land on that redirect. Left as-is this merge — it is the same shape as the six `snap-shot-*` rows that have always done this, and the one-line fix (a `settingsPathEnabled(item.to)` filter in `filterAvailableSettingsSearchItems`) is a behaviour change that belongs outside a merge. Recorded in `gaps.md`. Closes properly when `server.upsertKeybinding` / `removeKeybinding` are dispatched. - **Device hub** — **pingdotgg#12017** (detect unsupported legacy Android command-line tools) and **pingdotgg#12033** (resolve Node for standalone helper scripts) are both `apps/server/src/device/**`. `FEATURES.deviceHub` is off and Moatless runs no device host at all, so there is nothing to do and nothing to reproduce. ## Backend behavior to consider reproducing in Moatless All recorded in `docs/fork/gaps.md`; nothing in this repository holds them open. Checkpoint and turn path, under _Runtime fixes upstream made to its own server_: - **pingdotgg#12154** keep large sparse checkouts on the fast checkpoint path — streams `git ls-files --full-name --sparse -z -v` under a 4 KiB cap and pins `sparse.expectFilesOutsideOfPatterns=false`. Without it a sparse checkout large enough to blow the output limit drops to the slow path on every checkpoint. - **pingdotgg#10944** flush checkpoint objects and refs before publishing them — otherwise a reader that acts on the announcement can find a ref pointing at an object that is not there yet. Rare, unreproducible, permanent when it lands. - **pingdotgg#8432** keep a ready checkpoint when a later placeholder arrives (`ProjectionPipeline.ts`) — the symptom is a checkpoint reverting to pending and never coming back. - **pingdotgg#11970** keep VCS waits from blocking turn completion (`ProviderRuntimeIngestion.ts`, `decider.ts`) — a slow git call between the provider's last event and the turn being marked done. Slower in a sandbox than upstream. Settlement, under _Settlement rules Moatless owns_: - **pingdotgg#12161** settle on the `thread.pull-request-linked` / `-synced` event with a per-thread sweep rather than waiting for the next periodic one. - **pingdotgg#12176** make the cancellation path uninterruptible around record-and-rollback, so a cancelled worktree setup records its settlement instead of being left mid-setup. Client features that are inert until the backend emits or honours something: - **pingdotgg#11784** provider thinking traces — `orchestration` gained a `reasoning` message role and `thread.message.reasoning.delta` / `.complete` commands behind a `reasoningMessages: true` opt-in on subscribe. The client renders them when they arrive; Moatless emits none, so there are no traces. - **pingdotgg#10822** complete counts and progressive large diffs — `review.getDiffPreview` gained an optional `file` input (one file's patch) and an optional `files` stat array ("absent on older servers"). Moatless dispatches the method and honours neither, so large diffs stay truncated with incomplete counts. - **pingdotgg#11519** native provider slash commands, exposed server-side and consumed by the mobile client. - **pingdotgg#12115** OpenCode Go, Cursor and Grok subscription limits in the usage scan. ## Verification `tripwires`, `duplicate-adds`, `resolution-check`, `inventory-check`, `unsupported-methods`, `lockfile`, `fmt:check`, `lint` and `typecheck` all pass; tests pass in all 15 packages. Two failures were found and fixed on the way: - `TS2552: Cannot find name 'label'` in `ThreadStatusIndicators.tsx` — pingdotgg#11104/pingdotgg#11180 hoisted `label` onto the presentation object and the fork's multi-link popover branch still read the removed local. - The delta-guard test failure described above. Two operational notes for the next run are in the tracker entry: `vp i` needs `NODE_OPTIONS=--max-old-space-size=6144` in this sandbox, and `--force-with-lease` needs the explicit `<ref>:<sha>` form with the SHA read from `git ls-remote`, because this clone only fetches `main` and the branch has no lease-eligible tracking ref. 🤖 Generated with [Claude Code](https://claude.com/claude-code) --- Moatless task: https://moatless.soaplabstest.com/tasks/e3e17736-1c3d-4873-b9af-c434fd31b003
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Sending a message with New worktree produced a burst of layout shifts and blank frames. Promoting the draft to its server thread swapped route components, which unmounted
ChatViewand painted an empty timeline for a frame. The setup card also changed shape at every phase: its own "Setting up worktree…" header was replaced by the "Working for" header, the five-stage list collapsed to a lone script row once the agent started, the output tail grew and wrapped with each streamed line (pnpm's\rprogress redraws were glued into one 400-char line), and a script that outlived the reply trailed the assistant's message.Fix
/draft/$draftIdand/$environmentId/$threadIdnow render oneThreadRouteViewfrom the_chatlayout.ChatViewis keyed by draft id (each draft keeps its own send state, per fix(web): keep the composer ready during background worktree setup #11883), and the thread route keeps that key while the promoted draft record exists, so promotion is a prop change on a mounted element. Plain server threads stay unkeyed and reuse one instance across navigation as before. The two leaf route files are just route definitions.whitespace-prewith per-row truncation, mounted as soon as the script runs. The server splits script output on bare\rso progress redraws are separate short lines.Before
Card shape changes at every phase, stages vanish at handoff, tail wraps, card trails the reply.
https://gh-file-drop-api-prod-mi5fy3sowv63ufte.pinglabs.workers.dev/f/694273c2999710d1/before.mp4
After
Async setup script (~15 s) outliving the agent's turn. Working header stays put; chip appears; popover shows the live stages.
https://gh-file-drop-api-prod-mi5fy3sowv63ufte.pinglabs.workers.dev/f/0f2dbf15b1a6319f/after-async.mp4
Failed setup script: the row stays for the first turn and is gone on the follow-up.
Sync setup script (agent waits for it), showing the header handing off in place:
https://gh-file-drop-api-prod-mi5fy3sowv63ufte.pinglabs.workers.dev/f/034937b5a568dde8/after-sync.mp4
A per-frame luma scan of the chat pane in the after recordings shows no blank frame between send and reply; the before recording had two.
Verification
apps/web:MessagesTimeline.logic.test.ts,ChatView.logic.test.ts,composerDraftStore.test.ts(394 tests), typecheck, lint on touched files (MessagesTimeline.tsxkeeps the same 18 pre-existing warnings as main).apps/server:ProjectSetupScriptRunner.test.tscovers the\rsplitting.\rprogress for ~15 s.Built with Claude Fable 5 in Claude Code.
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New Features
Bug Fixes