A remote or resumed chat's model chip waits for its session (base red) by teamleaderleo · Pull Request #20141 · manaflow-ai/cmux

teamleaderleo · 2026-10-13T03:56:13Z

Base red on feat-cmux-next: test/model-chip-fresh-chat.test.tsx fails "a resumed or remote chat's chip does not guess a model" (seen on #20127's react-apps-check).

cx-ncc.58 (5f17347) landed after #19908. To keep the chip's width before a session reports, it names a predicted model: the default this harness last resolved to, else the catalog's. It did this for every unreported chip, including a chat on another machine, which then read this Mac's default ("Claude Sonnet 5") before its session said what it runs.

Now only a fresh chat on this Mac predicts, which is #19908's rule. A remote or resumed chat shows "Model" until its session reports. A fresh local chat keeps cx-ncc.58's steady width.

Verification

Red on base 87980a5: bun test test/model-chip-fresh-chat.test.tsx failed with Expected "Model", Received "Claude Sonnet 5".
Green on this head: 3 pass. The nearby chip and picker tests (new-tab-picker-fold, model-picker-picks, new-tab-picker-clip, new-tab-ask-model, effort-track-labels, model-picker-live-refresh, agent-pane-no-capsules) pass, and bun run check passes.

Changelog

Fixed: A remote or resumed chat's model chip no longer shows a guessed model before its session reports one.

🤖 Generated with Claude Code

^{Need help on this PR? Tag @codesmith-bot with what you need.}

Summary by cubic

Fixes the model chip on remote or resumed chats showing a guessed model name before the session reports one.

A remote or resumed chat's chip now shows "Model" until its session reports the actual model. Only a fresh chat on this Mac predicts its model, keeping the chip's steady width while waiting.

^{Written for commit 0e198e3. Summary will update on new commits.}

cx-ncc.58 named a predicted model on every chip whose session had not reported, so a chat on another machine read this Mac's default (Claude Sonnet 5) instead of waiting. Only a fresh chat on this Mac predicts, as #19908's rule says. Fixes the base red model-chip-fresh-chat test. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

cursor · 2026-10-13T03:56:18Z

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coderabbitai · 2026-10-13T03:56:24Z

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blacksmith-sh · 2026-10-13T04:08:27Z

Found 2 test failures on Blacksmith runners:

Failures

Test	View Logs
`test/agent-pane-no-capsules.test.ts/agent-pane-no-capsules.test`	View Logs
`test/chat-find.test.ts/chat-find.test`	View Logs

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github-actions · 2026-10-13T04:08:42Z

Unclear: web / react-apps-check failed: no known signature; failed step: Test webviews.

CI failed on 0e198e3582 (run 38344045189 attempt 1): 1 unknown.

Job	Verdict	Why
web / react-apps-check	unknown	no known signature; failed step: `Test webviews`

Not re-run automatically: web / react-apps-check is not a machine failure.

Written by scripts/ci/classify_failures.py (ci-failure-attribution.yml); signatures are its SIGNATURES table. A machine verdict is the runner's fault, not this PR's; yours means the failing file is one this PR changes, also red on main that main's latest full suite fails the same way, seen on other PRs that it failed on another pull request's run lately.

github-actions · 2026-10-13T04:09:15Z

CI fast guards failed on 0e198e3582 (https://github.com/manaflow-ai/cmux/actions/runs/38344045189). It does not block the merge; a red guard merged into main breaks it for every open PR.
The log named no failed step; see the run.

Agents: python3 scripts/ci/guard_attribution.py fix applies the mechanical fixes locally. This comment is updated in place on each push.

github-actions · 2026-10-13T04:12:21Z

Gallery

Review in feed

73 states changed: agent-pane.dictation/hide, agent-pane.composer/working-stop, agent-pane.transcript/shell-grouped-commands, agent-pane.new-tab/dictation-show, agent-pane.composer/queued-keyboard, ... · 22 play checks failed

Diff page and renders (the run's gallery-pr artifact)

State	Before · after
agent-pane.dictation/hide (Apple System Colors Light, chromium)
agent-pane.composer/working-stop (Apple System Colors Light, webkit)
agent-pane.transcript/shell-grouped-commands (Apple System Colors Light, chromium)
agent-pane.new-tab/dictation-show (Apple System Colors Light, chromium)
agent-pane.new-tab/dictation-show (Apple System Colors, chromium)
agent-pane.composer/queued-keyboard (Apple System Colors Light, webkit)

67 more on the diff page.

Live preview (follows this branch; start it with scripts/gallery-live.sh up <branch> from an hq checkout):

agent-pane.dictation/hide: /wt/op-next-model-chip-remote/?entry=agent-pane.dictation#/agent-pane.dictation/hide
agent-pane.composer/working-stop: /wt/op-next-model-chip-remote/?entry=agent-pane.composer#/agent-pane.composer/working-stop
agent-pane.transcript/shell-grouped-commands: /wt/op-next-model-chip-remote/?entry=agent-pane.transcript#/agent-pane.transcript/shell-grouped-commands
agent-pane.new-tab/dictation-show: /wt/op-next-model-chip-remote/?entry=agent-pane.new-tab#/agent-pane.new-tab/dictation-show
agent-pane.composer/queued-keyboard: /wt/op-next-model-chip-remote/?entry=agent-pane.composer#/agent-pane.composer/queued-keyboard
agent-pane.replay/playing: /wt/op-next-model-chip-remote/?entry=agent-pane.replay#/agent-pane.replay/playing
39 more on the diff page

Play checks failed (0 px anchor movement, 0 layout shift, no frame over 33 ms unless the entry gives a reason):

agent-pane.dictation/hide (Apple System Colors Light, chromium): play: no element for menuitem "Hide Dictation Button"
agent-pane.composer/popup-surface (Apple System Colors, webkit): shared popup is missing glass material
agent-pane.composer-pickers/effort-press-drag-release (Apple System Colors Light, chromium): step 3 up text "High": layout shift 0.0001 (limit 0)
agent-pane.composer-pickers/effort-press-drag-release (Apple System Colors, chromium): step 3 up text "High": layout shift 0.0010 (limit 0)
agent-pane.composer-pickers/effort-press-drag-release (Apple System Colors, chromium): step 3 up text "High": layout shift 0.0001 (limit 0)
agent-pane.composer-pickers/model-press-drag-release (Apple System Colors, chromium): play: waitFor did not hold within 5000 ms
81 more on the diff page

204 nondeterministic states differed from a second render of the same head (a clock or fixture leak) and are not counted as changes.

_{1299 unchanged · base 6b7ab55 · head 0e198e3}

teamleaderleo · 2026-10-13T04:20:24Z

react-apps-check on 0e198e3: model-chip-fresh-chat passes (the base red this fixes). Two other reds, neither from this change:

agent-pane-no-capsules is red on base (cx-39b5r: New Tab always lands on the New Tab page; drop the template dots #20127's run and Agent chat: a failed turn's error reads as its own block #20145's run both fail it).
chat-find "finds command output and edit diffs inside a closed Worked for fold" timed out at 12 s here and passed on Agent chat: a failed turn's error reads as its own block #20145's run from the same base: a flake.

teamleaderleo merged commit 503ea8f into feat-cmux-next Oct 13, 2026
99 of 102 checks passed

teamleaderleo deleted the op-next-model-chip-remote branch October 13, 2026 04:20

teamleaderleo mentioned this pull request Oct 13, 2026

Agent chat: a failed turn's error reads as its own block #20145

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A remote or resumed chat's model chip waits for its session (base red) - #20141

A remote or resumed chat's model chip waits for its session (base red)#20141
teamleaderleo merged 1 commit into
feat-cmux-nextfrom
op-next-model-chip-remote

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