[teamleaderleo]

Summary

Add a usable, exact-head gallery handoff for the current composer fixture.

Changelog

• Added permalink, copy-link, and Team feed actions to the gallery shell.
• Resolve direct gallery routes as soon as the named lazy entry loads.
• Keep gallery chrome aligned with the selected app theme.
• Record the verified live feed route and managed preview receipt.

Proof

• Live gallery: https://cmux-lawrences-mac-mini.tail137216.ts.net:18796/wt/leo-current-composer-visual-20261017/?entry=agent-pane.new-tab&variant=current-composer#/agent-pane.new-tab/current-composer
• Team feed: https://cmux-lawrences-mac-mini.tail137216.ts.net:8443/feed/
• Managed build tip: 1d0d113
• Gallery typecheck: bun run typecheck passed (1477 files)

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Summary by cubic

Makes gallery handoff of the current-composer fixture faster and shareable: permalinks, copy-link, and Team feed actions are now in the shell, and named deep-link routes resolve as soon as that entry loads instead of waiting for the whole registry.

• Adds the current-composer visual-only variant for the New Tab surface, with seeded quiet chat rows and a check that no Release journey rows appear.
• Adds waitFor(id) to the entry store so deep links render immediately; remaining entries still load in the background.
• Makes the gallery chrome follow the selected app theme, and labels every preview as either a component surface or a window-pane view with rendered dimensions.
• Shows each fixture's purpose note on browse cards.
• Records the fixture mandate, acceptance criteria, and managed receipt hashes in plans/cmux-next/evidence/current-composer-visual-20261017.md.

^{Written for commit 6b2ba8c. Summary will update on new commits.}

[github-actions]

Visual review: HQ feed · workflow run

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[github-actions]

all web/size checks green

[github-actions]

Passes: CI passes on 6b2ba8c37e.

CI passes on 6b2ba8c37e (run 39094827510 attempt 1).

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]

CI fast guards passes on 6b2ba8c37e (https://github.com/manaflow-ai/cmux/actions/runs/39094827510). This covers only the fast guards, not CI: CI's result is the ci-status check, and the CI failure attribution comment names any failing test.

[teamleaderleo]

Bead cx-t635c created for this PR by the cmux coordinator.

[github-actions]

cmux-next tour of 6b2ba8c37e09d4368815a5e36cd51926baa15acc (run)

The tour job failed before the tour ran (build or setup); the run log has the output.

The tour produced no media.

_{Tours are data in scripts/cmux-next/media/tours: add a step or a tour file to show your feature.}

[github-actions]

The feat-cmux-next push run https://github.com/manaflow-ai/cmux/actions/runs/39096093835 at b246059 failed: cmux app scheme compile (Debug), cmux-next Release compile (Xcode 26).
Those jobs last passed at fde94c5. This pull request is one of 5 merged since: #21383, #21446, #21384, #21450, #21442.
If the failure is in your change, fix forward on feat-cmux-next. Pull requests run only the tiers their paths reach (docs/ci/cmux-next-tiers.md); label a batch PR full-ci to run them all before merging.