[teamleaderleo]

Base red fix: the gallery health workflow reports these gallery states as broken on every full base render. Each play waited for, or pressed, something the transcript no longer draws after recent transcript changes. The components behave as their PRs intend, so the plays now follow what they draw. Nothing goes on the allowlist.

State(s)	Cause	Regressing PR	Fix
agent-pane.gutter-select#*-gap (8 pairs except tool-to-tool) — "Gap drag selected no text"	#27580 moved transcript gaps out of the rows (padding-block: 0), so the stack places them under each row. The play started its drag at row bottom - padding/2, which is now 1px inside the row's content. The press never reached the gap target, so gutterSelect.ts ignored it. #31579 repaired the gap target and the browser test, but not this play.	#27580	The drag starts at the middle of the upper row's [data-transcript-gap="row"] target, or at the nearest point the target itself covers.
agent-pane.sent-message-rows#{sent,with-preview,recorded-file,written-file,look-arrow,look-quote} — waitFor .cv-sent	After "Worked for" opens, a turn's run of sends now folds into one "Sent N messages" line.	#31398	openTurn opens the button[data-message-run] line, then waits for .cv-sent.
agent-pane.transcript#agent-messages — waitFor .cv-shell__folder	The sends and the shell call fold into one message-run line, so the first .cv-tool.is-toggle became that line instead of the shell call.	#31398	The play opens the run line, then clicks the first toggle that is not a run line.
agent-pane.transcript#grid-rhythm-hover — waitFor .cv-reply-actions opacity 1	A reply mid-turn draws no action row (hasReplyActions is always false: Copy once per turn). The variant was added after that change and waited for a row that is never drawn.	#29740 (variant from #27580)	The play hovers the reply and asserts that no action row is drawn.
agent-pane.user-bubble#answer-time-tooltip — waitFor a tooltip with a year	A reply's time is now its exact time at the end of the row, shown on hover, and its tooltip shows the turn's time and tokens. No tooltip with a year appears any more.	#31609	The play hovers the time and waits until it is shown (opacity 1) and reads as a clock time.

Only gallery play files change. scripts/web-lint.sh --base origin/feat-cmux-next passes.

Base-red-job: cmux-next / gallery health (0)
Base-red-job: cmux-next / gallery health (1)
Base-red-job: cmux-next / gallery health (2)
Base-red-job: cmux-next / gallery health (3)
Base-red-job: cmux-next / gallery health (4)
Base-red-job: cmux-next / gallery health (5)
Base-red-job: cmux-next / gallery health (6)
Base-red-job: cmux-next / gallery health (7)

Agent session: agent session

🤖 Generated with Claude Code

---

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

---

Summary by cubic

Fixes the gallery plays that gallery health reports broken on every full base render — each play waited for or pressed something the transcript no longer draws, and now follows what it draws. Nothing goes on the allowlist.

State(s)	Cause	Fix
agent-pane.gutter-select#*-gap	#27580 removed row bottom padding, so the stack places gaps under the row and the old drag start landed on content.	The drag starts at the middle of the upper row's [data-transcript-gap="row"] target, or the nearest point the target covers.
agent-pane.sent-message-rows#* and AcpmuxBatchSend.gallery.ts	#31398 folds a turn's sends into one "Sent N messages" line.	openTurn opens the run line after "Worked for"; batch-raw waits for the call itself and clicks Raw only when drawn (a file-read message opens straight to its call); shift-baseline.json scores the sent, look, recorded-file, and batches rows' measured shifts.
MessageRuns.gallery.ts#open	The run's line can sit inside a folded "Worked for" line.	openLine opens "Worked for" first when the run's line is inside it.
agent-pane.transcript#agent-messages	The sends and shell call fold into one run line, so the first toggle is no longer the shell call.	The play opens the run line, then clicks the first toggle that is not a run line.
agent-pane.transcript#grid-rhythm-hover	#29740: a reply mid-turn draws no action row.	The play hovers the reply and asserts no action row is drawn.
agent-pane.user-bubble#answer-time-tooltip	#31609: a reply's time is now its exact end-of-row time on hover; no tooltip with a year appears.	The play hovers the time and waits until it reads as a clock time.

Only gallery play files and shift-baseline.json change. scripts/web-lint.sh --base origin/feat-cmux-next passes.

^{Written for commit a894815. Summary will update on new commits.}

[github-actions]

cmux status _{(one comment, edited in place; each line is updated by the job that owns it)}

Review a894815: HQ feed card · gallery before/after runs · checks

App of this head (app.zip, kept 1 day)

gh workflow run reload-build.yml -R manaflow-ai/cmux --ref feat-cmux-next -f tag=pr32269 -f ref=gallery-red-plays-waits -f platform=macos -f backend_mode=local

Gallery before/after for a894815: 16 states rendered, 26 images differ, 2991 more touched states not rendered. Images are in the run's artifact, not on this public PR; the independent review of this head reads them on its own, so the PR needs no hand-made screenshots of these states.

gh run download 41452719987 -R manaflow-ai/cmux -n gallery-advisory-32269-a8948154d46624c6dd95a5909c6d0042f7172865 (then read gallery-review.json)

States

State	Theme	Status	Diff	Picked by
agent-pane.acpmux-batch-send/batches	Apple System Colors Light	changed	5.47%	own AcpmuxBatchSend.gallery.ts
agent-pane.acpmux-batch-send/batches	Apple System Colors	changed	5.41%	own AcpmuxBatchSend.gallery.ts
agent-pane.acpmux-batch-send/batch-raw	Apple System Colors Light	changed	4.22%	own AcpmuxBatchSend.gallery.ts
agent-pane.acpmux-batch-send/batch-raw	Apple System Colors	changed	4.18%	own AcpmuxBatchSend.gallery.ts
agent-pane.acpmux-batch-send/batch-sending	Apple System Colors Light	unchanged	0%	own AcpmuxBatchSend.gallery.ts
agent-pane.acpmux-batch-send/batch-sending	Apple System Colors	unchanged	0%	own AcpmuxBatchSend.gallery.ts
agent-pane.gutter-select/tool-to-tool-gap	Apple System Colors Light	changed	0%	own gutterSelect.gallery.ts
agent-pane.gutter-select/tool-to-tool-gap	Apple System Colors	unchanged	0%	own gutterSelect.gallery.ts
agent-pane.gutter-select/tool-to-prompt-gap	Apple System Colors	changed	3.6%	own gutterSelect.gallery.ts
agent-pane.gutter-select/tool-to-prompt-gap	Apple System Colors Light	changed	3.57%	own gutterSelect.gallery.ts
agent-pane.gutter-select/tool-to-agent-gap	Apple System Colors	changed	3.68%	own gutterSelect.gallery.ts
agent-pane.gutter-select/tool-to-agent-gap	Apple System Colors Light	changed	3.68%	own gutterSelect.gallery.ts
agent-pane.gutter-select/prompt-to-tool-gap	Apple System Colors	changed	3.32%	own gutterSelect.gallery.ts
agent-pane.gutter-select/prompt-to-tool-gap	Apple System Colors Light	changed	3.29%	own gutterSelect.gallery.ts
agent-pane.gutter-select/prompt-to-prompt-gap	Apple System Colors	changed	3.53%	own gutterSelect.gallery.ts
agent-pane.gutter-select/prompt-to-prompt-gap	Apple System Colors Light	changed	3.5%	own gutterSelect.gallery.ts
agent-pane.gutter-select/prompt-to-agent-gap	Apple System Colors	changed	3.61%	own gutterSelect.gallery.ts
agent-pane.gutter-select/prompt-to-agent-gap	Apple System Colors Light	changed	3.6%	own gutterSelect.gallery.ts
agent-pane.gutter-select/agent-to-tool-gap	Apple System Colors	changed	3.32%	own gutterSelect.gallery.ts
agent-pane.gutter-select/agent-to-tool-gap	Apple System Colors Light	changed	3.29%	own gutterSelect.gallery.ts
agent-pane.gutter-select/agent-to-prompt-gap	Apple System Colors	changed	3.53%	own gutterSelect.gallery.ts
agent-pane.gutter-select/agent-to-prompt-gap	Apple System Colors Light	changed	3.5%	own gutterSelect.gallery.ts
agent-pane.message-runs/folded	Apple System Colors Light	unchanged	0%	own MessageRuns.gallery.ts
agent-pane.message-runs/folded	Apple System Colors	unchanged	0%	own MessageRuns.gallery.ts
agent-pane.message-runs/open	Apple System Colors Light	changed	5.41%	own MessageRuns.gallery.ts
agent-pane.message-runs/open	Apple System Colors	changed	5.39%	own MessageRuns.gallery.ts
agent-pane.message-runs/running	Apple System Colors Light	changed	0.0182%	own MessageRuns.gallery.ts
agent-pane.message-runs/running	Apple System Colors	unchanged	0%	own MessageRuns.gallery.ts
agent-pane.message-runs/codex	Apple System Colors Light	changed	0%	own MessageRuns.gallery.ts
agent-pane.message-runs/codex	Apple System Colors	changed	0%	own MessageRuns.gallery.ts
agent-pane.sent-message-rows/sent	Apple System Colors Light	changed	5.09%	own SentMessageLine.gallery.ts
agent-pane.sent-message-rows/sent	Apple System Colors	changed	5.06%	own SentMessageLine.gallery.ts

_{Pick other states with a Gallery: entry.id, entry.id/variant line in the PR body.}

Shipped in:

• cmux NEXT nightly 1.0.0-nightly.4145643176801 (627d40b6dd)
• cmux NEXT nightly 1.0.0-nightly.4145866056201 (d87662ff9d)
• cmux NEXT nightly 1.0.0-nightly.4145971823401 (507438d2a9)
• cmux NEXT nightly 1.0.0-nightly.4146140953301 (ad51b07c27)
• cmux NEXT nightly 1.0.0-nightly.4146246026401 (2ce42fbe0e)

[teamleaderleo]

Owned by an agent session · session

[blacksmith-sh]

Found 1 test failure on Blacksmith runners:

Failure

Test	View Logs
parent-signal: bound did not handle the child's SIGINT/ parent-signal: bound did not handle the child's SIGINT	View Logs

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

[teamleaderleo]

Review (subagent claude-opus-5-5, correctness): SHIP at f5466bd

Visual verdict: unchanged by this diff (gallery plays and baseline rows only).

Each play now targets what its component draws.

• The sent-message folds open button.cv-tool.is-toggle.is-run[data-message-run] and cover all three starting states.
• The shell play's :not([data-message-run]) guard is needed, because the run line comes first in the DOM.
• The gutter-gap search is bounded and falls back to a loud throw if nothing hits.
• The reply-time hover waits out the opacity transition on .cv-turn-time.
• grid-rhythm-hover matches hasReplyActions always returning false.
  Every waitFor callback fits the play.ts type. The four raised baseline rows all run openTurn, which gained the fold-open step; rows that don't use it are unchanged.

Follow-ups:

• [follow-up] MessageRuns.gallery.ts openLine should click .cv-worked.is-toggle, like the other plays.
• [follow-up] grid-rhythm-hover could also check that the block gap's height is the same before and after the hover.

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[teamleaderleo]

Review (subagent opus-5.5 medium): SHIP at a894815

Checked: each play now waits for or clicks what its component draws: the run line, the shell call (behind Raw when the message has words), the row gap target, the reply time revealed on hover, and no action row on a reply mid-turn. The waitFor types match play.ts, and the raised shift rows cover only the extra fold-open step (the rows below move about 154px, as every fold opening does).
Follow-ups: MessageRuns openLine clicks .cv-worked where .cv-worked.is-toggle would be more exact; grid-rhythm-hover could also check that the block gap is the same height before and after the hover.