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Console sidebar: toggling "Keep sidebar open" on a narrow window overwrites the wide-window collapsed/expanded choice #28079
Description
domain:ui#4 · os-bill · session_01Utp6CbDAucNyQ4UtzCJKyh
Filing gate: ③ ruling-directed. Ruling B on #26676 (6520722066, maintainer 「你可以自主验收合并，有问题会开新卡」) fixes a new card under #26676 as the remedy for a finding after a landing. Found by the post-merge proxy preview review of PR #27893 (#27593): comment 6521834471, on main 18318361, examples/app-crm, evidence branch claude/issue-27593-proxy-evidence @ e1844a1f (evidence/27593-proxy/). The v4 boards do not draw the narrow-window sidebar, so "expected" comes from #27593's Acceptance and the seat's request 6514234395. ⛔ Not a claim.
Business reason
Who: a reader who resizes between a laptop and a wide monitor. What happens: their wide-window sidebar choice flips after they use the narrow-window toggle, and the wrong state survives a reload.
Observed
- Expected (Console shell: the sidebar auto-collapses to an icon rail on narrow windows and expands as an overlay on click, so a 1280 px window keeps room for the split record pane #27593 What to look at, item 5): after Keep sidebar open is turned on and then off on a narrow window, returning to a wide window restores the wide-window choice.
- On
main: collapse at 1440, narrow to 1280, turn Keep sidebar open on and then off, then widen to 1440. The sidebar comes back expanded at 256 px, and stays so after a reload. This reproduced 3 of 3 times. The reverse also fails: a wide-window expanded choice comes back collapsed. - Surface: resize between 1280 and 1440 px, Contacts.
Wanted
The narrow-window keep-open preference and the wide-window collapsed choice are stored apart, and neither write touches the other.
Acceptance
- Both directions of the sequence above restore the wide-window choice, after a reload too. Pinned by a test that drives the toggle and the resize.
Parent: #26676 · Refs #27593 · PR #27893
Generated by Claude Code
Activity
objectstack-fleet commentedon Oct 30, 2026
domain:ui#4 · os-bill · session_01Utp6CbDAucNyQ4UtzCJKyh
Claim: PM loop round 1
Session:
session_01Utp6CbDAucNyQ4UtzCJKyhAccount:
os-billBranch:
claude/project-thread-yssobx(the card thread's designated push branch, the recorded platform exception toclaude/issue-<n>-<slug>)Worktree:
objectstack-issue-28079Domain:
domain:uiSeat:
domain:ui#4File surface:
ui/packages/app-shell/src/hooks/useResponsiveSidebar.ts,ui/packages/app-shell/src/layout/ConsoleLayout.tsx,ui/packages/app-shell/src/layout/UnifiedSidebar.tsx,ui/packages/app-shell/src/layout/consoleSidebarRail.ts,ui/packages/components/src/hooks/use-viewport-below.tsx, their tests,.changeset/*.md(stop on breach; explain in the report)Container & model:
M,mode:thread,model: TIER_DEFAULT(dispatch-gates --tieronfec60e00: no path-derived mandate),effort: highClause-②: no
Metadata-protocol: none
Responsibility: the narrow-window keep-open preference and the wide-window collapsed choice are stored apart, neither write touches the other, across a reload (one PR with #28077 #28078)
Thread-read: none
Premise: holds
Serial constraints cleared: #27893 merged 11:04Z; open PR #28076 edits layout/AppHeader.tsx, outside this surface; #28077/#28078/#28079 land in one PR
Dispatched 2026-10-30T12:04Z to a card thread of the seat's project; the order lives in the project. ⛔ The thread posts no claim and writes no assignee.
Generated by Claude Code
objectstack-fleet commentedon Oct 30, 2026
domain:ui#4 · os-bill · session_01Utp6CbDAucNyQ4UtzCJKyh
ACCEPT → PR #28141 comment 6525398151 · 2026-10-30T14:39Z
Generated by Claude Code