[teamleaderleo]

cg-design-judge's sidebar Thunderdome (Tact #115, 108 blind bouts on the cmux NEXT sidebar) reported two status bugs (items 1 and 4). Bead cx-npdew.

Item 4: a one-line status doubled the row (24 to 40 pt). By default a row draws reported status under the name, so one "Building" made the row two lines and the list's pitch jumped with state.

• A row that would otherwise be one line keeps its height when its status is one line: one reported entry (cmux status set) or the hooks' status line.
• The text moves to the dim slot on the right of the name's line, where the time sits in the badge styles. It truncates at 40% of the row; the name keeps the rest.
• The hover card still lists every entry, and VoiceOver reads the text.
• A richer block (several entries, a log line, a progress label) still draws under the name, as classic's status block does (cmux-next: draw workspace status, progress and log in sidebar rows #16431). So does a row where the user turned on another second-line element (folder, branch).

Item 1: status was invisible. On the current base this is already fixed, so this PR adds only guard tests:

• The judged build (ee8d80672c35) predates CmuxNext: sidebar rows badge their logo's corner instead of a count #20492's row badges.
• On this base, cmux status set --state busy draws the grey spinner, because the default row shows progress.
• --state error draws the red glyph and --state waiting the question glyph, on the icon's corner. Routine states stay quiet.
• I kept the glyph where CmuxNext: sidebar rows badge their logo's corner instead of a count #20492 put it rather than adding a trailing slot. The glyph policy question is with Leo (cx-im75u).
• The rows the judge saw as grey text only most likely had no state set.

Found while capturing, not fixed here: cmux status set run the moment a new tab's shell starts can fail with no terminal matches "term_...", because the tab's terminal is not registered yet.

In the app

Fleet DEV builds of base (64944d6a7586) and this head, same seed, dark theme:

Tests

SidebarStatusVisibleTests (new), at the mapping-to-row boundary (daemon store, SidebarMapping, layout, row view):

• A one-line status, as an entry or as the hooks' line, keeps the row at 24 pt, with the text on the name's line right of the name.
• A long status truncates at 40% of the row.
• Guards: a status set --state busy row draws the busy glyph; a failure and a question draw theirs.

Changed fixtures:

• SidebarMinimalModeTests reports two entries, so its "status draws under the name" case is still a block.
• SidebarStatusGlyphCenterTests turns the folder element on, so its two-line row still has a second line.

Fleet receipts:

• Red, test commit c58e0b1f4266 (light step eb97026c4827a440d64946ef): SidebarStatusVisibleTests fails on behavior. The rows are 36 and 40 pt, the subtitle and block draw, and nothing is on the name's line. The two guard tests pass on base, as expected.
• Green, fix 3b99e2c34c4b (light step bb1d4c2e1d60f62e661aad25): SidebarStatusVisibleTests, SidebarStatusBlockTests, SidebarMinimalModeTests, SidebarStatusGlyphCenterTests and 291 other suites pass. The reds come from base:
  • AgentChatFromHomeTests and SettingsSchemaExportTests fail the same way on the red run.
  • The step's same-tree guard fired because the worker lacked this head's cmux-tui tree.
• Release compile on 3b99e2c34c4b (isolated step 44e6d562aa26bc63d612b4cf): BUILD SUCCEEDED.

Review notes (Opus, no blocking findings):

• With a corner or stack badge style, a row's one-line status takes the place of the dim last-change time, so that row shows its status instead of its age. On hover both fade under the more and close buttons, as the time did before.
• SidebarStatusVisibleTests' doc comment says this change sends a status's state to the badge; base already did that (CmuxNext: sidebar rows badge their logo's corner instead of a count #20492). The two glyph tests guard that existing behavior.

Changelog

• Fixed: In cmux NEXT, a one-line workspace status now sits on the right of the workspace's name in the sidebar instead of making the row taller.

Showcase

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[github-actions]

Not verified: macOS jobs did not run: compile and app tests were skipped on 3b99e2c34c; ci-status is green without them.

CI passes on 3b99e2c34c (run 38576460021 attempt 1).
macOS jobs did not run: compile and app tests were skipped: Fast static checks skipped (the macos job needs both to succeed). Re-run CI once they pass, before merging.

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]

cmux-next tour of 3b99e2c34c4b3f87302ba4369783e78f4b91acfa (run)

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

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