feat(web): subagent spawns render as an expandable work row - #11433
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maria-rcks merged 14 commits intoSep 12, 2026
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The spawn CTA was a bordered card between plain work rows, exempt from turn folds, and clicking it only opened the Agents panel. It now uses the same icon, type, and chevron as sibling tool rows, expands in place to list each member with status, role, duration, tokens, and the first line of its result, and folds with its turn once every member settles. A batch with a live member stays outside the fold, decided from the agent panel model.
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ApprovabilityVerdict: Not approved Macroscope's review found this PR not approvable — This PR introduces a substantial expandable subagent-work experience and changes production work-log filtering, turn folding, live-activity handling, and persistent UI state. The cross-cutting behavior change is beyond a small isolated adjustment and warrants 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; 8 remain after this review. 📝 WalkthroughWalkthroughThe timeline keeps live and expanded subagent spawn rows visible, folds settled spawns into turns, and renders spawn details through expandable rows with status, usage, outcomes, metadata, and an Agents-panel action. ChangesSubagent timeline visibility
Priority: ⬇️ Low Estimated code review effort: 4 (Complex) | ~45 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant RuntimeSubagents
participant MessagesTimeline
participant TimelineProjection
participant AgentSpawnRow
RuntimeSubagents->>MessagesTimeline: provide direct agents and workflow members
MessagesTimeline->>TimelineProjection: pass live agent IDs and spawn expansion state
TimelineProjection->>MessagesTimeline: return folded or visible spawn rows
MessagesTimeline->>AgentSpawnRow: render agent-spawn row
AgentSpawnRow->>AgentSpawnRow: expand status and outcome details
Merge Risk: ⚪ Minimal · up to No concrete merge-blocking issue was established for the reviewed change. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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In `@apps/web/src/components/chat/MessagesTimeline.tsx`:
- Around line 3332-3349: Update the expanded wrapper in the MessagesTimeline
render to stop keydown propagation, alongside its existing stopRowToggle click
and pointerdown handlers, so Enter/Space activation on the nested Open Agents
button or AgentSpawnMemberRow does not trigger the outer row toggle.
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apps/web/src/components/chat/MessagesTimeline.logic.test.tsapps/web/src/components/chat/MessagesTimeline.logic.tsapps/web/src/components/chat/MessagesTimeline.tsx
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…ent-display # Conflicts: # apps/web/src/components/chat/MessagesTimeline.tsx
… rows Nested member rows and the Agents panel link no longer bubble Enter and Space into the batch toggle, member expansion suspends end-scroll maintenance like other rows, and a row the user opened stays outside the turn fold until collapsed. Live detection follows the header's rule for workflow coordinators and keeps every spawn row out when no agent panel model is provided.
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Pinning an open row no longer recomposes the fold it sits in: the row stays a fold member and is simply not collapsed, so the fold row keeps its place and never disappears. Fold liveness also honors the workflow id, member rows get an accessible name, and zero or negative member metrics are not shown.
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Inline comments:
In `@apps/web/src/components/chat/MessagesTimeline.tsx`:
- Around line 3891-3893: Update the statusLabel construction near
AGENT_MEMBER_STATUS_LABEL so non-active members retain their status when meta
exists. Use the member status as the primary label and append duration or token
metadata separately, preserving the active-member behavior and accessible name
content.
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apps/web/src/components/chat/MessagesTimeline.logic.test.tsapps/web/src/components/chat/MessagesTimeline.logic.tsapps/web/src/components/chat/MessagesTimeline.tsxapps/web/src/session-logic.ts
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Failed and stopped members show the status next to their metrics so the outcome is not carried by color alone, and the remaining spawn-row comments no longer call it a CTA.
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## What's Changed * fix(mobile): render photo library picks to a bounded JPEG off the JS thread by @Nelglor in pingdotgg/t3code#11440 * fix(desktop): keep the native preview User-Agent so Turnstile passes by @akriaueno in pingdotgg/t3code#7110 * fix(chat): keep user input outside collapsed work by @maria-rcks in pingdotgg/t3code#11363 * fix(web): preserve preview focus on window return by @Lucenx9 in pingdotgg/t3code#11444 * fix(web): complete thread status icons and keep input threads prominent by @maria-rcks in pingdotgg/t3code#11461 * feat(web): tint image chips with their average color by @maria-rcks in pingdotgg/t3code#11468 * fix(web): move viewer controls outside media and restore arrow navigation by @maria-rcks in pingdotgg/t3code#11470 * fix(web): tighten sidebar search and footer spacing by @maria-rcks in pingdotgg/t3code#11466 * feat(web): subagent spawns render as an expandable work row by @maria-rcks in pingdotgg/t3code#11433 * fix(web): keep subagent rows visible under folded turns by @maria-rcks in pingdotgg/t3code#11474 * fix(usage): make unavailable account limits more visible by @dominic-r in pingdotgg/t3code#10601 * fix(desktop): bound backend shutdown wait during quit by @ishaanko in pingdotgg/t3code#7599 * feat(web): choose the default diff file state by @maria-rcks in pingdotgg/t3code#11484 * feat(composer): fold large pastes into text attachments by @chrisdeeming in pingdotgg/t3code#11442 * feat(web): expose each chat message as a heading for screen readers by @Leos-Khai in pingdotgg/t3code#11199 * fix(usage): respect provider account homes by @maria-rcks in pingdotgg/t3code#11485 ## New Contributors * @Nelglor made their first contribution in pingdotgg/t3code#11440 * @akriaueno made their first contribution in pingdotgg/t3code#7110 * @Leos-Khai made their first contribution in pingdotgg/t3code#11199 **Full Changelog**: pingdotgg/t3code@v0.0.41-nightly.20260912.1612...v0.0.41-nightly.20260913.1625 Upstream release: https://github.com/pingdotgg/t3code/releases/tag/v0.0.41-nightly.20260913.1625
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Merges `upstream/main` at `0c5771d60` into the fork, from merge base `e81606494` — 32 upstream commits. The range is mostly client polish, plus two structural changes that mattered here: upstream extracted the sidebar header into a new component (`SidebarThreadHeader.tsx`, pingdotgg#11315), which is where two fork gates had to be re-homed, and upstream added a `context` field to orchestration messages at the exact anchor the fork's `origin` field sits on, which is four of the eight conflicts. ## Merge stats - Landed (`HEAD^1..HEAD`): 489 files, 36117+/5930− - Upstream range (base..`HEAD^2`): 484 files, 35784+/5824− - Fork delta (`HEAD^2..HEAD`): 767 files, 78724+/2528− The two file lists reconcile exactly. The 5 extra landed files are all fork-owned and none of them is upstream work: `apps/web/src/fork/SidebarThreadFilter.tsx` (one className, described below), `docs/fork/inventory.json`, `docs/fork/gaps.md`, `docs/fork/upstream-merge-log.md`, and `.agents/skills/fork-upstream-merge/scripts/unsupported-methods.mjs`. Nothing in the upstream range failed to land. ## Conflicts All 8 were resolved by the verdict `preflight.mjs` printed. No `decide` conflict was left unresolved. - `projector.ts`, `orchestration.ts`, `threadReducer.ts`, `MessagesTimeline.tsx` — `converged — message-origin-upstream-files`, and all the same conflict: upstream appended where the fork already appends. Both sides kept, twice per file for the first three. `duplicate-adds.mjs` confirms no line was taken twice. - `Sidebar.tsx` — `converged — thread-visibility-upstream-files`. Took upstream whole; its `SidebarThreadFilter` import was left unused by the extraction and was removed. - `SettingsSidebarNav.tsx` — unlisted. Kept the fork's `settingsPathEnabled` filter over the personal nav items and took upstream's new active-state rule (`/settings/general` stays active on `/settings/open-source-licenses`). - `ChatComposer.tsx` — unlisted, so `decide, then add an entry`. Both fork deltas survived and the entry is now written; see below. - `routeTree.gen.ts` — generated; regenerated with `regen-route-tree.mjs` after the install. `pnpm-lock.yaml` auto-merged rather than conflicting, so it was reset to `upstream/main` and the fork edges re-derived with `vp i`. The remaining diff against upstream is exactly the `@t3tools/moatless-api` workspace link, `mermaid ^11.17.2`, and one alchemy peer hash. Two findings worth naming here: - **A fork gate's host file was replaced by a file upstream had not written yet.** pingdotgg#11315 extracted the whole sidebar header into `apps/web/src/components/sidebar/SidebarThreadHeader.tsx`. Both fork deltas were re-applied there additively — the `FEATURES.projectManagement` gate on New project, and `<SidebarThreadFilter />` as a third child of upstream's new segmented icon well. No props threaded, no state added, no upstream JSX re-indented. The one edit outside that file is `SidebarThreadFilter.tsx`'s trigger className, now `size-7` so it matches upstream's own `SidebarHeaderIconButton` in the well it now sits in. - **The unsupported-method derivation could not read the backend, and that was the script's fault, not a finding.** `unsupported-methods` exited 2 with "could not read the backend dispatch". The Moatless backend moved its dispatch a second time: `crates/t3code/src/rpc/dispatch.rs` is now a module stub over an `rpc/dispatch/` directory whose `routing.rs` holds the arms and whose siblings hold the handler bodies. `BACKEND_APIS` now names the directory and the script concatenates every `.rs` file in it — pointing it at `routing.rs` alone would have read the arms and lost the handlers, and `refusesInside` only follows calls it can find in the same source, so every conditional refusal would have come back as a false DROP. ## Inventory - `moatless-admin-pages` was stale: it still listed the two Workspaces admin routes that the 2026-09-12 commit folded into the project settings page. Re-pointed to the five surfaces that remain, and the untracked delta that move left behind is now its own entry, `project-workspace-settings`. - `chat-surface-gates` gained `apps/web/src/components/chat/ChatComposer.tsx` with a guard on `FEATURES.accessMode`, plus a `chat-composer-gates` path policy so the next merge gets a cached verdict instead of the same decision. The two deltas there are the runtime-mode picker lifted into a `runtimeModePicker` const behind the flag, and `phase === "running"` left out of `collapsedComposerPrimaryActionDisabled`. - `inventory-check.mjs` is clean. ## Unsupported methods 0 ADD, 0 DROP, 2 KEEP (`git.preparePullRequestThread`, `vcs.switchRef`), 5 known exceptions still firing, no stale ones. `packages/contracts/src/rpc.ts` is unchanged: the range's one unsupported-surface change is upstream's Cursor `--classic` launcher fix, which lands on a method already refused. ## Feature classification ### Usable as-is Client-side work the fork can expose with no Moatless backend or deployment change. 28 of the 32 commits. - Open-source license notices page (pingdotgg#8962) — new `/settings/open-source-licenses` route; upstream also made `/settings/general` stay active while it is open. - Client perf: fewer repeated sorts and date formats (pingdotgg#11019). - Inline file previews and attachment chips across surfaces (pingdotgg#11265) — rides `attachments.createUploadUrl` and `assets.createUrl`, both dispatched. - Subagent spawns as an expandable work row (pingdotgg#11433) and those rows kept visible under folded turns (pingdotgg#11474) — derived from the orchestration event stream the backend already serves. - Opt-in thread notifications and sounds (pingdotgg#11481) — client settings, persisted through the `server.getSettings` read the backend serves. - Large pastes folded into text attachments (pingdotgg#11442); user input kept outside collapsed work (pingdotgg#11363); each chat message exposed as a heading for screen readers (pingdotgg#11199); the default diff file state (pingdotgg#11484). - Sidebar project scope folded into the search row (pingdotgg#11315); thread status icons completed and input threads kept prominent (pingdotgg#11461); sidebar search and footer spacing (pingdotgg#11466); draft row heights matched to thread rows (pingdotgg#11512). - Image chips tinted with their average colour (pingdotgg#11468); viewer controls moved outside the media with arrow navigation restored (pingdotgg#11470); snapshot preview size preserved in sent messages (pingdotgg#11429); preview focus preserved on window return (pingdotgg#11444). - Unavailable account limits made more visible (pingdotgg#10601) — web-only; the backend dispatches `server.getUsageSummary`. - Saved environments switched off instead of removed (pingdotgg#11478) — entirely client-side (connection catalog and registry). This build runs one environment and gates the Connections settings page, so nothing on screen changes; the catalog behaviour carries. - Desktop and mobile: long offscreen text in SnapShots (pingdotgg#11250), native preview User-Agent kept for Turnstile (pingdotgg#7110), bounded backend shutdown wait on quit (pingdotgg#7599), expo-audio pinned (pingdotgg#11426), photo library picks rendered to a bounded JPEG off the JS thread (pingdotgg#11440), launch crash with a PR stack (pingdotgg#11486), the shared-content alert after sending (pingdotgg#11487). - Repository hygiene: `.pnpm-store/v11` deleted. ### Unsupported in Moatless / needs implementation - **Cursor links open in classic IDE mode (pingdotgg#11498).** Upstream gave Cursor `baseArgs: ["--classic"]` in `packages/contracts/src/editor.ts` so a file open targets the IDE rather than its Agents Window, and tested it in `apps/server/src/process/externalLauncher.ts`. The method behind it, `shell.openInEditor`, is not dispatched — the browser is not on the machine the workspace is on — so this lands in the contract and in `apps/server` and changes nothing here. Recorded in `docs/fork/gaps.md` under _Opening in an external editor_, whose standing conclusion is that the surface is a candidate for deletion rather than for serving. ### Backend behavior to consider reproducing in Moatless All three are recorded in `docs/fork/gaps.md` under _Runtime fixes upstream made to its own server_. Nothing in this repository holds them open; they are Moatless-side work. - **Listing pull requests should read only the projects asked about (pingdotgg#11299).** `listWorkspaceProjects` fetched the whole shell snapshot and filtered it; it now asks the projection for the one project, or for the listed ids (`apps/server/src/pullRequest/PullRequestService.ts`, `persistence/Layers/ProjectionSnapshotQuery.ts`). Moatless dispatches `pullRequests.summary`, so the same cost lands on it as soon as a summary is derived from a list. - **Usage should read each provider account's own history directory (pingdotgg#11485).** Upstream resolves an account's home from its home setting or its `CODEX_HOME` / `CLAUDE_CONFIG_DIR` / `GROK_HOME` variable, counts disabled accounts, and de-duplicates accounts sharing a directory (`apps/server/src/usage/UsageService.ts`). Moatless serves `server.getUsageSummary` itself, so an account with a custom home reports zero there — or double — until it resolves homes the same way. - **Forgejo and Gitea remotes should be first-class source control (pingdotgg#11436).** Upstream recognises both hosts and drives them with the `fj` and `tea` CLIs across remote identity, PR creation and PR sync (`git/GitManager.ts`, `project/RepositoryIdentityResolver.ts`, `orchestration/PullRequestSyncReactor.ts`). Moatless owns git and pull requests, so a Forgejo or Gitea project is an unrecognised host there regardless of what the client can render. ## Verification `verify.mjs` is green on seven of eight checks: `duplicate-adds` (none across 34 files both sides changed), `tripwires` (3 deleted surfaces intact, exactly the 5 known re-deletions, 3 allowed workflows), `resolution-check` (16 fork-delta paths still differ from upstream, 17 carry upstream's change, 17 theirs-verbatim byte-identical, 18 unlisted), `unsupported-methods`, `fmt:check`, `lint`, `typecheck`. `test` is red on one file, and it is the standing environmental failure rather than a merge regression: - `@t3tools/desktop` → `scripts/browser-secret-native.test.mjs > bundled libsecret helper` fails with `Package 'libsecret-1' not found` from `pkg-config`. 1 file of 105; the rest of the package is 1341 tests passed. The test file is byte-identical to upstream, arrived on the fork before this merge, and the sandbox image ships neither `libsecret-1` nor its pkg-config file. There is no root in the sandbox, so it cannot be installed here. Recorded in `docs/fork/gaps.md` under _The desktop suite needs libsecret, which the sandbox does not have_. Four packages did not finish under `vp run -r test` and were each run alone again, all green: `@t3tools/mobile` (165 files, 1528 tests), `t3` (317 files, 4528 tests), `@t3tools/web` (412 files, 5205 tests), `t3code-relay` (30 files, 284 tests). The owned-concern sweep over newly added upstream files found no keyword hits, so no `concerns` entry was needed. **CI caught one thing no local check runs.** `Build & push moatless-t3` failed on the first push: upstream's new `t3code:third-party-licenses` plugin (pingdotgg#8962) runs in `generateBundle` and refuses any bundled package whose license it cannot resolve, and three packages reach the web bundle only through the fork's own `mermaid` edge — `khroma` via mermaid, `fastdom` and `strictdom` via cytoscape under it — so upstream's config has never carried overrides for them. Fixed with three `packageOverrides` entries: `khroma` needed a `license: "MIT"` declaration only, since it ships its own `license` file, and `fastdom` and `strictdom` needed a `generatedNotice` each, since both declare MIT and ship no notice file. Verified with the build itself — all three now appear in `apps/web/dist/third-party-licenses.json` with a license and a notice, and the workflow is green. The delta is held by the `mermaid-diagrams` inventory entry plus a `third-party-licenses-config` path policy, and the reason it escaped `verify.mjs` — which has no build step at all — is now `docs/fork/gaps.md`, _Nothing builds the web app before a merge is pushed_. 🤖 Generated with [Claude Code](https://claude.com/claude-code)
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Subagent batches now use an expandable tool row with only an icon and label. They share the normal active shimmer and replacement behavior with subsequent tools, including completed background tasks, without duplicate launch or Thinking rows. Status dots, right-side metadata, and the header chevron are removed; failures retain the standard subtle tint.
Expanding shows members and their results. Live batches remain visible outside turn folds, and opened batches stay visible after settling. Web and desktop share this renderer; mobile is unchanged.
Verification: 197 focused tests, web typecheck, targeted lint, and CI pass. Both independent reviewers approve
62b02f2a. Real Claude runs cover the full tool sequence and keyboard expansion; the recording stays collapsed throughout. Failure appearance was not exercised through a live provider.Before
After
Model and harness: gpt-6, Codex.