Why: R1 implementation spans core (Conversation flags), backend
(migration v8, task list APIs, /api/me), frontend (TaskSidebar rebuild),
ui (contracts mirror), documents (proposal acceptance record); the Dev
repo advances the pointers and the task record.
Evidence:
- make test full suite green on this head (core+backend+frontend+ui+
agent-command, exit 0) before advancing gitlinks.
- Headless walk on the built binary: cross-project task open, pinned-
first ordering, archive hide/show/restore, new-task flow, account
footer identity, zero console errors.
Impact: UI restructure per approved option A; no mid-column or inbox
changes (D25/D26/D31 intact). Merge order: core -> backend -> ui ->
frontend -> documents -> this PR.
Refs: proposal docs/proposals/2026-09-30-ui-redesign-and-auth.md (option A, R1)
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Why
用户裁定方案 A 后实施 R1(左栏任务中心):单一主创建入口(新建任务 ⌘N + 次级菜单)、组织视图(按项目/时间线)、置顶/归档(服务端权威)、账户区(/api/me + 退出登录)。
改动(本仓仅指针与任务卡)
Evidence
Impact
左栏重构;中栏/右栏不动(D25/D26/D31 保持)。剩余:R2 登录页+认证阶段 2(范围届时确认)、R3 成员与租户、R4 视觉令牌收敛。