diff --git a/src/App.tsx b/src/App.tsx
index 94a8180..147723f 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -77,7 +77,7 @@ export function App() {
     const h = (e: KeyboardEvent) => {
       if (authState === 'ok' && (e.metaKey || e.ctrlKey)) {
         const key = e.key.toLowerCase()
-        if (key === 'n') { e.preventDefault(); store.createTask().then(conversationOpened); return }
+        if (key === 'n') { e.preventDefault(); store.createTask().then(conversationOpened).catch(() => undefined); return }
         if (key === 'b') { e.preventDefault(); openContext(); return }
       }
       workspaceShortcuts(e)
@@ -114,10 +114,14 @@ export function App() {
     // me 回填进 store：管理入口（me?.isAdmin）与侧栏身份都消费它；此前只有
     // 改密门 onDone 调 refreshMe，登录与刷新回态后 me 恒为 null，管理员菜单
     // 在任何一次 F5 后永久消失（2026-10-12「用户管理页面不可用」根因）。
-    store.refreshMe()
-    store.refreshProjects()
-    store.refreshProfiles()
-    store.refreshPlugins()
+    let active = true
+    store.refreshMe().then(() => {
+      if (!active) return
+      void store.refreshProjects()
+      void store.refreshProfiles()
+      void store.refreshPlugins()
+    })
+    return () => { active = false }
   }, [authState])
 
   const drag = useRef<{ side: 'left' | 'right'; startX: number; startW: number; overshoot: boolean; min: number; max: number; key: 'leftWidth' | 'rightWidth' | 'previewWidth' } | null>(null)
diff --git a/src/api.ts b/src/api.ts
index 6f24c64..4412a8b 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -1,6 +1,7 @@
 // API 客户端（API-first：UI 只是第一个客户端）与 SSE 流客户端（游标重放 + 终态对账）。
 // 认证：服务端开启 API key 时经 auth.fetch/withKey 注入凭证（嵌入式档无认证则透传）。
 import { auth } from './auth'
+import { rdmCommandProjectId } from './rdmManagement'
 import type {
   Project, Conversation, Message, Run, Artifact, HITLCard, HITLResponse,
   AgentProfile, SettingDesc, StreamEvent, StreamEventType, PlanSnapshot, TodoList, UploadInfo, PromptModule,
@@ -14,11 +15,16 @@ const BASE = ''
  *  自身命令面 fail-closed。 */
 export interface AdminZoneSection { id: string; title: string; icon?: string; desc?: string; order?: number }
 
-async function json<T>(res: Response): Promise<T> {
+async function checked(res: Response): Promise<Response> {
   if (!res.ok) {
     const text = await res.text()
     throw new Error(`${res.status}: ${text}`)
   }
+  return res
+}
+
+async function json<T>(res: Response): Promise<T> {
+  await checked(res)
   return res.json() as Promise<T>
 }
 
@@ -26,7 +32,7 @@ export const api = {
   listProjects: () => auth.fetch(`${BASE}/api/projects`).then(r => json<Project[]>(r)),
   createProject: (name: string) => auth.fetch(`${BASE}/api/projects`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ name }) }).then(r => json<Project>(r)),
   renameProject: (id: string, name: string) => auth.fetch(`${BASE}/api/projects/${id}`, { method: 'PATCH', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ name }) }).then(r => json<Project>(r)),
-  deleteProject: (id: string) => auth.fetch(`${BASE}/api/projects/${id}`, { method: 'DELETE' }),
+  deleteProject: (id: string) => auth.fetch(`${BASE}/api/projects/${id}`, { method: 'DELETE' }).then(checked),
 
   listConversations: (projectId: string) => auth.fetch(`${BASE}/api/projects/${projectId}/conversations`).then(r => json<Conversation[]>(r)),
   // 跨项目任务列表（方案 A 侧栏）：默认仅未归档；includeArchived 含归档。
@@ -46,15 +52,23 @@ export const api = {
   // ---- 认证与会话（管理员发放制，R2）----
   login: (owner: string, password: string) => auth.fetch(`${BASE}/api/auth/login`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ owner, password }) }).then(async r => {
     if (!r.ok) throw new Error(`${r.status}: ${await r.text()}`)
-    return r.json() as Promise<{ owner: string; name: string; isAdmin: boolean; mustChangePassword: boolean; passwordSet: boolean; sessionScope: string }>
+    const me = await r.json() as { owner: string; name: string; isAdmin: boolean; mustChangePassword: boolean; passwordSet: boolean; sessionScope: string }
+    auth.beginSession()
+    return me
   }),
   // 一次性登录 Key 兑换（恢复/激活）：请求只带 Key，身份由服务端绑定记录决定；
   // 成功建立 set_password_only 受限会话（HttpOnly cookie），明文 Key 不落任何存储。
   redeemLoginKey: (key: string) => auth.fetch(`${BASE}/api/auth/login-key/redeem`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ key }) }).then(async r => {
     if (!r.ok) throw new Error(`${r.status}: ${await r.text()}`)
-    return r.json() as Promise<{ owner: string; name: string; isAdmin: boolean; mustChangePassword: boolean; passwordSet: boolean; sessionScope: string }>
+    const me = await r.json() as { owner: string; name: string; isAdmin: boolean; mustChangePassword: boolean; passwordSet: boolean; sessionScope: string }
+    auth.beginSession()
+    return me
   }),
-  logout: () => auth.fetch(`${BASE}/api/auth/logout`, { method: 'POST' }),
+  logout: () => {
+    const request = auth.fetch(`${BASE}/api/auth/logout`, { method: 'POST' })
+    auth.clear()
+    return request
+  },
   changePassword: (current: string, next: string) => auth.fetch(`${BASE}/api/auth/password`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ current, next }) }).then(async r => {
     if (!r.ok) throw new Error(`${r.status}: ${await r.text()}`)
     return r.json() as Promise<{ owner: string; name: string; isAdmin: boolean; mustChangePassword: boolean; reloginRequired: boolean }>
@@ -125,7 +139,7 @@ export const api = {
   getSettings: (projectId?: string) => auth.fetch(`${BASE}/api/settings${projectId ? '?project=' + projectId : ''}`).then(r =>
     json<{ schema: SettingDesc[]; defaults: Record<string, unknown>; user: Record<string, unknown>; project: Record<string, unknown> }>(r)),
   putUserSettings: (values: Record<string, unknown>) => auth.fetch(`${BASE}/api/settings/user`, { method: 'PUT', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(values) }),
-  putProjectSettings: (projectId: string, values: Record<string, unknown>) => auth.fetch(`${BASE}/api/settings/project/${projectId}`, { method: 'PUT', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(values) }),
+  putProjectSettings: (projectId: string, values: Record<string, unknown>) => auth.fetch(`${BASE}/api/settings/project/${projectId}`, { method: 'PUT', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(values) }).then(checked),
   // P2 系统管理面：受管项（models/tavily/telemetry/运行基础设施）的唯一写入面。
   getSystemSettings: () => auth.fetch(`${BASE}/api/settings/system`).then(r =>
     json<{ schema: SettingDesc[]; defaults: Record<string, unknown>; system: Record<string, unknown> }>(r)),
@@ -154,6 +168,8 @@ export const api = {
 
   // ---- U4：RDM 命令总线封装（POST /api/commands/{id}，同 RDM web 的 command 路由） ----
   // receipt 解包：rejected 抛错；confirm-card 抛提示（审计面只读命令不应触发）。
+  rdmProjectCommand: async <T = any>(project: Project, id: string, params: Record<string, unknown> = {}): Promise<T> =>
+    api.rdmCommand<T>(id, { ...params, projectId: rdmCommandProjectId(project) }),
   rdmCommand: <T = any>(id: string, params: Record<string, unknown> = {}): Promise<T> =>
     auth.fetch(`${BASE}/api/commands/${encodeURIComponent(id)}`, {
       method: 'POST', headers: { 'Content-Type': 'application/json' },
diff --git a/src/auth.ts b/src/auth.ts
index 993728e..0ccf069 100644
--- a/src/auth.ts
+++ b/src/auth.ts
@@ -17,11 +17,22 @@ function pickStorage(): KV {
 }
 
 const storage = pickStorage()
+const identityListeners = new Set<() => void>()
+function identityChanged() { identityListeners.forEach(listener => listener()) }
 
 export const auth = {
   apiKey(): string { return storage.getItem(KEY) ?? '' },
-  setKey(key: string) { storage.setItem(KEY, key.trim()) },
-  clear() { storage.removeItem(KEY) },
+  setKey(key: string) {
+    const next = key.trim()
+    if (next === this.apiKey()) return
+    storage.setItem(KEY, next)
+    identityChanged()
+  },
+  clear() { storage.removeItem(KEY); identityChanged() },
+  onIdentityChange(listener: () => void) {
+    identityListeners.add(listener)
+    return () => { identityListeners.delete(listener) }
+  },
   // 密码登录成功后切换到 HttpOnly 会话 cookie：必须清掉残留 Bearer——服务端
   // 认证中间件 Bearer 优先于会话 cookie，失效残留 key 会把有效会话也判成 401。
   beginSession() { this.clear() },
@@ -33,7 +44,7 @@ export const auth = {
     headers.set('Authorization', `Bearer ${key}`)
     return fetch(input, { ...init, headers })
   },
-  // 退出登录：清凭证并整页回登录门（服务端会话/密钥均为无状态凭证，无需服务端注销）。
+  // 退出登录：立即清客户端投影并回登录门；调用者先经 api.logout 注销服务端会话。
   logout() {
     this.clear()
     try { location.reload() } catch { /* 非 DOM 环境（测试）忽略 */ }
diff --git a/src/components/LoginPage.tsx b/src/components/LoginPage.tsx
index 6c51c64..a867858 100644
--- a/src/components/LoginPage.tsx
+++ b/src/components/LoginPage.tsx
@@ -2,7 +2,6 @@
 // LoginPage —— 用户名+密码（默认入口）/ 一次性登录 Key（忘记密码恢复，只输 Key）；
 // ChangePasswordGate —— 受限会话强制设密（恢复/首登同形：只输新密码，完成前不放行）。
 import { useState } from 'react'
-import { auth } from '../auth'
 import { api } from '../api'
 import { Icon, BrandMark } from '@ui'
 
@@ -43,8 +42,6 @@ export function LoginPage({ onAuthed, onMustChange }: { onAuthed: () => void; on
     setErr(''); setBusy(true)
     try {
       const me = await api.login(owner.trim(), password)
-      // 会话凭证是 HttpOnly cookie；清残留 Bearer，避免其遮蔽有效会话。
-      auth.beginSession()
       // 受限会话（must-change 首登）或正常会话都由后端 sessionScope 声明；
       // 受限会话先进设密门，完成前不放行。
       if (me.sessionScope === 'set_password_only' || me.mustChangePassword) {
@@ -62,7 +59,6 @@ export function LoginPage({ onAuthed, onMustChange }: { onAuthed: () => void; on
     try {
       // 只提交 Key：目标账户由服务端绑定记录确定，客户端不能指定身份。
       const me = await api.redeemLoginKey(key.trim())
-      auth.beginSession()
       if (me.sessionScope === 'set_password_only' || me.mustChangePassword) {
         onMustChange(me.owner)
         return
diff --git a/src/components/ProjectSettingsModal.tsx b/src/components/ProjectSettingsModal.tsx
index eae4004..7d5f55b 100644
--- a/src/components/ProjectSettingsModal.tsx
+++ b/src/components/ProjectSettingsModal.tsx
@@ -8,6 +8,8 @@ import type { SettingDesc } from '../contracts'
 import { SettingsShell, Btn, EmptyState } from '@ui'
 import { SettingInput, flatten, unflatten, groupNames } from './SettingsModal'
 import { RdmMembersSection, RdmDutiesSection, RdmPermMatrixSection } from './adminRdmSections'
+import { rdmCommandProjectId } from '../rdmManagement'
+import { projectActionError } from '../projectmeta'
 
 export function ProjectSettingsModal() {
   const projectId = useStore(s => s.ui.projectSettingsId)
@@ -16,21 +18,26 @@ export function ProjectSettingsModal() {
   const rdmMembersAvailable = useStore(s => s.rdmMembersAvailable)
   const rdmDocReviewAvailable = useStore(s => s.rdmDocReviewAvailable)
   const rdmPermMatrixAvailable = useStore(s => s.rdmPermMatrixAvailable)
+  const owner = useStore(s => s.me?.owner)
   const [tab, setTab] = useState('project')
   const [schema, setSchema] = useState<SettingDesc[]>([])
   const [draft, setDraft] = useState<Record<string, any>>({})
   const [loaded, setLoaded] = useState(false)
   const [saved, setSaved] = useState(false)
+  const [error, setError] = useState('')
 
   useEffect(() => {
     if (!projectId) return
-    setLoaded(false)
+    let active = true
+    setLoaded(false); setSaved(false); setError(''); setDraft({}); setSchema([])
     api.getSettings(projectId).then(s => {
+      if (!active) return
       setSchema(s.schema)
       setDraft(flatten(s.project))
       setLoaded(true)
-    }).catch(() => undefined)
-  }, [projectId])
+    }).catch(() => { if (active) setError('项目设置未能加载，请关闭后重新打开或联系项目负责人') })
+    return () => { active = false }
+  }, [projectId, owner])
 
   const groups = useMemo(() => {
     const g: Record<string, SettingDesc[]> = {}
@@ -39,6 +46,12 @@ export function ProjectSettingsModal() {
   }, [schema])
 
   if (!projectId) return null
+  let rdmError = ''
+  try {
+    if (!project) throw new Error('项目已不可用，请刷新项目列表或联系项目负责人')
+    rdmCommandProjectId(project)
+  } catch (e) { rdmError = String(e).replace(/^Error:\s*/, '') }
+  const rdmTab = tab === 'members' || tab === 'duties' || tab === 'matrix'
 
   const save = async () => {
     if (!projectId) return
@@ -47,7 +60,7 @@ export function ProjectSettingsModal() {
       setSaved(true)
       setTimeout(() => setSaved(false), 1500)
     } catch (e) {
-      store.toast(`项目设置保存失败：${e}`)
+      store.toast(`项目设置保存失败：${projectActionError(e)}`)
     }
   }
 
@@ -64,14 +77,16 @@ export function ProjectSettingsModal() {
         ...(rdmDocReviewAvailable ? [{ key: 'duties', label: '文档职责 · 整文审签', icon: 'shield' as const }] : []),
         ...(rdmPermMatrixAvailable ? [{ key: 'matrix', label: '项目权限', icon: 'key' as const }] : []),
       ]}
-      footer={saved ? <span style={{ color: 'var(--ok)' }}>✓ 已保存</span> : '项目设置覆盖用户设置（new-run 类对新任务生效）'}
+      footer={saved ? <span style={{ color: 'var(--ok-text)' }}>✓ 已保存</span> : '项目设置覆盖用户设置（new-run 类对新任务生效）'}
     >
       <div>
-        {tab === 'members' && <RdmMembersSection projectId={projectId} />}
-        {tab === 'duties' && <RdmDutiesSection projectId={projectId} />}
-        {tab === 'matrix' && <RdmPermMatrixSection projectId={projectId} />}
+        {rdmTab && rdmError ? <EmptyState icon="folder">{rdmError}</EmptyState> : project && <>
+          {tab === 'members' && <RdmMembersSection key={project.id} project={project} />}
+          {tab === 'duties' && <RdmDutiesSection key={project.id} project={project} />}
+          {tab === 'matrix' && <RdmPermMatrixSection key={project.id} project={project} />}
+        </>}
         {tab !== 'members' && tab !== 'duties' && tab !== 'matrix' && !loaded ? (
-          <EmptyState icon="settings">加载中…</EmptyState>
+          <EmptyState icon="settings">{error || '加载中…'}</EmptyState>
         ) : tab !== 'members' && tab !== 'duties' && tab !== 'matrix' ? (
           <>
             <div className="empty-note" style={{ marginBottom: 10 }}>
diff --git a/src/components/TaskSidebar.tsx b/src/components/TaskSidebar.tsx
index e08fadf..65d8d13 100644
--- a/src/components/TaskSidebar.tsx
+++ b/src/components/TaskSidebar.tsx
@@ -7,7 +7,7 @@ import { api } from '../api'
 import { Icon } from '@ui'
 import type { Conversation } from '../contracts'
 import { relativeTime, filterTasks } from '../tasklist'
-import { projectStage } from '../projectmeta'
+import { projectStage, projectStateLabel, projectWorkError } from '../projectmeta'
 import { buildWorkspaceEntries } from '../workspaces'
 
 /** 小型弹出菜单：锚点下方渲染，点击外部关闭。 */
@@ -68,8 +68,10 @@ export function TaskSidebar({ onCollapse = store.toggleLeft, onConversationOpen,
   const [newProjectName, setNewProjectName] = useState('')
 
   const createConversation = async (projectId?: string) => {
-    await store.createTask(projectId)
-    onConversationOpen?.()
+    try {
+      await store.createTask(projectId)
+      onConversationOpen?.()
+    } catch { /* store owns the actionable failure toast */ }
   }
 
   const tools = buildWorkspaceEntries(serverWorkspaces, { rdmAudit: rdmAuditAvailable })
@@ -77,7 +79,8 @@ export function TaskSidebar({ onCollapse = store.toggleLeft, onConversationOpen,
   const pinned = visible.filter(t => t.pinned)
   const rest = visible.filter(t => !t.pinned)
   const currentProject = projects.find(p => p.id === currentProjectId)
-  const stage = projectStage(currentProject?.settings)
+  const stage = projectStateLabel(currentProject?.settings) ?? projectStage(currentProject?.settings)
+  const workError = currentProject ? projectWorkError(currentProject) : null
   const rowTask = menu?.kind.startsWith('row:') ? tasks.find(t => t.id === menu.kind.slice(4)) : null
   const rowMenuAnchor = menu && menu.kind.startsWith('row:') ? menu.anchor : null
 
@@ -162,8 +165,10 @@ export function TaskSidebar({ onCollapse = store.toggleLeft, onConversationOpen,
               onChange={e => setNewProjectName(e.target.value)}
               onKeyDown={async e => {
                 if (e.key === 'Enter' && newProjectName.trim()) {
-                  await store.createProject(newProjectName.trim())
-                  setCreatingProject(false); setNewProjectName('')
+                  try {
+                    await store.createProject(newProjectName.trim())
+                    setCreatingProject(false); setNewProjectName('')
+                  } catch { /* keep the input available for a corrected name */ }
                 }
                 if (e.key === 'Escape') setCreatingProject(false)
               }}
@@ -179,7 +184,7 @@ export function TaskSidebar({ onCollapse = store.toggleLeft, onConversationOpen,
         )}
 
         {rest.length === 0 && pinned.length === 0 && (
-          <div className="tsb-empty">从「新建对话」开始，描述你想完成的工作。</div>
+          <div className="tsb-empty">{workError ?? '从「新建对话」开始，描述你想完成的工作。'}</div>
         )}
         {rest.map(t => taskRow(t))}
       </div>
@@ -224,7 +229,7 @@ export function TaskSidebar({ onCollapse = store.toggleLeft, onConversationOpen,
       <Menu anchor={menu?.kind === 'project' ? menu.anchor : null} onClose={() => setMenu(null)}>
         {projects.map(p => {
           const count = tasks.filter(t => t.projectId === p.id && !t.archived).length
-          const pstage = projectStage(p.settings)
+          const pstage = projectStateLabel(p.settings) ?? projectStage(p.settings)
           return (
             <MenuItem key={p.id} icon="folder" onClick={() => { switchProject(p.id); setMenu(null) }}>
               {p.name}
diff --git a/src/components/adminRdmSections.tsx b/src/components/adminRdmSections.tsx
index a0cab8d..ec3ed0d 100644
--- a/src/components/adminRdmSections.tsx
+++ b/src/components/adminRdmSections.tsx
@@ -5,6 +5,7 @@
 // 既有 ad-*/lg-*/settings-* 类（design-guard 棘轮：不新增裸色值/字号）。
 import { useEffect, useState } from 'react'
 import { api } from '../api'
+import type { Project } from '../contracts'
 import { useStore } from '../store'
 import { Btn, EmptyState, Icon } from '@ui'
 import {
@@ -148,7 +149,9 @@ export function RdmRolesPanel() {
 
 interface MemberRow { owner: string; role: string; addedBy: string; addedAt: string }
 
-export function RdmMembersSection({ projectId }: { projectId: string }) {
+export function RdmMembersSection({ project }: { project: Project }) {
+  const projectId = project.id
+  const cmd = <T,>(id: string, params: Record<string, unknown> = {}) => api.rdmProjectCommand<T>(project, id, params)
   const [rows, setRows] = useState<MemberRow[] | null>(null)
   const [err, setErr] = useState('')
   const [notice, setNotice] = useState('')
@@ -158,11 +161,11 @@ export function RdmMembersSection({ projectId }: { projectId: string }) {
 
   const refresh = async () => {
     try {
-      const out = await api.rdmCommand<{ members: MemberRow[] }>('rdm.project.member.list', { projectId })
+      const out = await cmd<{ members: MemberRow[] }>('rdm.project.member.list')
       setRows(out.members ?? [])
     } catch (e) { setErr(String(e)) }
   }
-  useEffect(() => { refresh() }, [projectId])
+  useEffect(() => { refresh() }, [project])
 
   const run = async (label: string, fn: () => Promise<unknown>) => {
     setErr(''); setNotice(''); setBusy(true)
@@ -182,7 +185,7 @@ export function RdmMembersSection({ projectId }: { projectId: string }) {
           </select>
           <button className="lg-submit ad-create-btn" disabled={busy || !member.trim()}
             onClick={() => run(`已添加 ${member.trim()}`, async () => {
-              await api.rdmCommand('rdm.project.member.add', memberAddPayload(projectId, member.trim(), role))
+              await cmd('rdm.project.member.add', memberAddPayload(projectId, member.trim(), role))
               setMember('')
             })}>添加成员</button>
         </div>
@@ -199,7 +202,7 @@ export function RdmMembersSection({ projectId }: { projectId: string }) {
               <td className="ad-dim">{m.addedAt ? new Date(m.addedAt).toLocaleString() : '—'}</td>
               <td><button className="ad-mini" disabled={busy}
                 onClick={() => run(`已移除 ${m.owner}`,
-                  () => api.rdmCommand('rdm.project.member.remove', memberRemovePayload(projectId, m.owner)))}>移除</button></td>
+                  () => cmd('rdm.project.member.remove', memberRemovePayload(projectId, m.owner)))}>移除</button></td>
             </tr>
           ))}
           {rows !== null && rows.length === 0 && <tr><td colSpan={5} className="ad-dim">暂无成员</td></tr>}
@@ -225,7 +228,8 @@ interface DocSubmissionView {
   sections: Record<string, number>
 }
 
-export function RdmDutiesSection({ projectId }: { projectId: string }) {
+export function RdmDutiesSection({ project }: { project: Project }) {
+  const projectId = project.id
   const [docId, setDocId] = useState('')
   const [sub, setSub] = useState<DocSubmissionView | null | undefined>(undefined)
   const [err, setErr] = useState('')
@@ -235,7 +239,7 @@ export function RdmDutiesSection({ projectId }: { projectId: string }) {
   const [reviewers, setReviewers] = useState('')
   const [approver, setApprover] = useState('')
 
-  const cmd = <T,>(id: string, params: Record<string, unknown>) => api.rdmCommand<T>(id, params)
+  const cmd = <T,>(id: string, params: Record<string, unknown>) => api.rdmProjectCommand<T>(project, id, params)
 
   const refreshStatus = async (id: string) => {
     if (!id) return
@@ -323,7 +327,9 @@ interface MatrixOut {
   actions: MatrixAction[]
 }
 
-export function RdmPermMatrixSection({ projectId }: { projectId: string }) {
+export function RdmPermMatrixSection({ project }: { project: Project }) {
+  const projectId = project.id
+  const cmd = <T,>(id: string, params: Record<string, unknown> = {}) => api.rdmProjectCommand<T>(project, id, params)
   const me = useStore(s => s.me)
   const [member, setMember] = useState('')
   const [members, setMembers] = useState<MemberRow[] | null>(null)
@@ -332,20 +338,20 @@ export function RdmPermMatrixSection({ projectId }: { projectId: string }) {
   const [busy, setBusy] = useState(false)
 
   useEffect(() => {
-    api.rdmCommand<{ members: MemberRow[] }>('rdm.project.member.list', { projectId })
+    cmd<{ members: MemberRow[] }>('rdm.project.member.list')
       .then(out => {
         setMembers(out.members ?? [])
         // 默认自省：普通成员只看自己的矩阵；负责人/管理员可切换他人。
         if (me?.owner) setMember(prev => prev || me.owner)
       })
       .catch(e => setErr(String(e)))
-  }, [projectId, me?.owner])
+  }, [project, me?.owner])
 
   const query = async (m: string) => {
     if (!m) return
     setErr(''); setBusy(true); setMatrix(null)
     try {
-      setMatrix(await api.rdmCommand<MatrixOut>('rdm.perm.check', permCheckPayload(projectId, m)))
+      setMatrix(await cmd<MatrixOut>('rdm.perm.check', permCheckPayload(projectId, m)))
     } catch (e) { setErr(String(e)) } finally { setBusy(false) }
   }
 
diff --git a/src/projectmeta.ts b/src/projectmeta.ts
index 5c24aea..2a0baa6 100644
--- a/src/projectmeta.ts
+++ b/src/projectmeta.ts
@@ -3,3 +3,41 @@ export function projectStage(settings?: Record<string, unknown> | null): string
   const stage = settings?.stage
   return typeof stage === 'string' && stage.trim() !== '' ? stage.trim() : null
 }
+
+/** Service metadata describes readiness; permission is always checked by the server. */
+export function projectWorkError(project: { settings?: Record<string, unknown> } | undefined): string | null {
+  if (!project) return '项目已不可用，请刷新项目列表或联系项目负责人'
+  const settings = project.settings
+  if (!settings || (!('rdm.state' in settings) && !('rdm.projectId' in settings))) return null
+  switch (settings['rdm.state']) {
+    case 'ready':
+      if (typeof settings['rdm.projectId'] === 'string' && settings['rdm.projectId'].trim()) return null
+      break
+    case 'provisioning': return '项目正在准备，请稍后刷新项目列表再试'
+    case 'failed': return '项目准备失败，请联系项目负责人重试创建'
+    case 'archived': return '项目已归档，请联系项目负责人恢复后再新建对话'
+    case 'closed': return '项目已关闭，请选择其他项目或联系项目负责人'
+  }
+  return '项目尚未绑定，请联系项目负责人完成项目接入'
+}
+
+export function projectStateLabel(settings?: Record<string, unknown>): string | null {
+  switch (settings?.['rdm.state']) {
+    case 'provisioning': return '准备中'
+    case 'failed': return '准备失败'
+    case 'unbound': return '未接入'
+    case 'archived': return '已归档'
+    case 'closed': return '已关闭'
+    default: return null
+  }
+}
+
+export function projectActionError(error: unknown): string {
+  const raw = String(error)
+  if (/\b401\b/.test(raw)) return '登录已失效，请重新登录后再试'
+  if (/\b403\b/.test(raw)) return '当前账号无法管理此项目，请联系项目负责人'
+  if (/\b404\b/.test(raw)) return '项目已不可用，请刷新项目列表或联系项目负责人'
+  if (/\b409\b/.test(raw)) return '项目名称已被占用或项目状态已变化，请更换名称或刷新后再试'
+  if (/\b503\b/.test(raw)) return '项目服务暂未就绪，请稍后重试或联系项目负责人'
+  return raw.replace(/^Error:\s*/, '')
+}
diff --git a/src/rdmManagement.ts b/src/rdmManagement.ts
index 220b3c0..69f1f4e 100644
--- a/src/rdmManagement.ts
+++ b/src/rdmManagement.ts
@@ -2,6 +2,18 @@
 // 命令清单不可用＝未就绪，fail-closed）与命令载荷构造。页面组件只消费本模块与
 // api.rdmCommand，不在组件里散落命令 id / 参数拼写；身份一律经认证会话，载荷不
 // 携带任何身份字段（G1-5）。
+import type { Project } from './contracts'
+import { projectWorkError } from './projectmeta'
+
+export function rdmCommandProjectId(project: Project): string {
+  const error = projectWorkError(project)
+  if (error) throw new Error(error)
+  const id = project.settings?.['rdm.projectId']
+  if (project.settings?.['rdm.state'] !== 'ready' || typeof id !== 'string' || !id.trim()) {
+    throw new Error('项目尚未绑定，请联系项目负责人完成项目接入')
+  }
+  return id.trim()
+}
 
 /** 系统管理「RDM 角色权限」分区消费的命令面。 */
 export const RDM_ROLES_COMMANDS = [
diff --git a/src/store.ts b/src/store.ts
index 26c8f8b..b3eb32b 100644
--- a/src/store.ts
+++ b/src/store.ts
@@ -2,6 +2,8 @@
 // useSyncExternalStore 驱动；live 流式部件为会话内临时态，run 终态后由消息树对账收敛。
 import { useSyncExternalStore } from 'react'
 import { type AdminZoneSection, api, connectEvents } from './api'
+import { auth } from './auth'
+import { projectActionError, projectWorkError } from './projectmeta'
 import { applyTextDelta, applyThinkingDelta, applyToolCall, applyToolCallDelta, applyToolResult, applyToolOutput, applyArtifactCreated, applyArtifactUpdated, applyCheck, applyFinalizing, type LiveItem } from './live'
 import { closePreviewTab, mergeOrphanPreviewTabs, openPreviewTab, previewTabsKey, type PreviewTab } from './previewtabs'
 import { deliveryRequestId, enqueueMessage, enqueueMessageFront, newQueuedMessage, promoteQueuedMessage, removeQueuedMessage, replaceQueuedText, type QueuedMessage } from './outbox'
@@ -279,6 +281,10 @@ let sse: { close: () => void } | null = null
 let projectSse: { close: () => void } | null = null
 let projectSeq = 0
 let conversationEpoch = 0
+let identityEpoch = 0
+let projectsRequest = 0
+let tasksRequest = 0
+let meRequest = 0
 let streamSeq = 0
 let detailRequest = 0
 let detailSeq = 0
@@ -399,23 +405,56 @@ export function useStore<T>(selector: (s: AppState) => T): T {
 export const store = {
   getState: () => state,
 
+  resetIdentity() {
+    identityEpoch++; projectsRequest++; tasksRequest++; meRequest++
+    sse?.close(); sse = null
+    projectSse?.close(); projectSse = null
+    conversationEpoch++; detailRequest++; cardsRequest++; projectCardsRequest++
+    projectSeq = 0; streamSeq = 0; detailSeq = 0; detailVersion = 0
+    cardVersion = 0; projectCardVersion = 0
+    cardVersions = {}; projectCardVersions = {}; cardPatches = {}; projectCardPatches = {}
+    runObservations = {}; messageObservations = {}; hitlObservations = {}
+    actionInflight.clear()
+    for (const key of Object.keys(actionFeedbackOwners)) delete actionFeedbackOwners[key]
+    for (const key of Object.keys(surfaceActionsInflight)) delete surfaceActionsInflight[key]
+    convRestoreDone = true
+    persistConvId(null)
+    set({ projects: [], currentProjectId: null, tasks: [], me: null, currentConvId: null,
+      contextObs: {}, messages: [], runs: [], activeHitl: [], lastSeq: 0, live: null,
+      plan: null, todos: null, artifacts: [], surfaces: [], projectSurfaces: [],
+      cards: [], projectCards: [], cardActionStates: {}, inboxScope: 'conv',
+      runtimeMock: false, profiles: [], pluginPanels: [], serverWorkspaces: [], adminSections: [],
+      rdmAuditAvailable: false, rdmRolesAvailable: false, rdmMembersAvailable: false,
+      rdmDocReviewAvailable: false, rdmPermMatrixAvailable: false,
+      connected: false, posting: false, error: null, toast: null, outbox: [], outboxDraining: false,
+      previewTabs: {}, previewActive: {}, previewOpenIntent: 0 })
+    setUI({ lastProjectId: null, projectSettingsId: null, adminZoneOpen: false, activeWorkspace: null,
+      settingsOpen: false, changePwOpen: false, trackerRunId: null, workspaceSurfacePin: null,
+      previewExpanded: false, filesView: 'list', showArchived: false })
+  },
+
   async refreshProjects() {
+    const epoch = identityEpoch
+    const request = ++projectsRequest
     try {
       const projects = await api.listProjects()
+      if (epoch !== identityEpoch || request !== projectsRequest) return
       const current = projects.find(p => p.id === state.currentProjectId) ?? projects.find(p => p.id === state.ui.lastProjectId) ?? projects[0]
       set({ projects, currentProjectId: current?.id ?? null, error: null })
       if (current) await store.openProject(current.id)
     } catch (e) {
-      set({ error: String(e) })
+      if (epoch === identityEpoch && request === projectsRequest) set({ error: projectActionError(e) })
     }
-    store.refreshTasks()
-    store.refreshMe()
+    if (epoch === identityEpoch && request === projectsRequest) await store.refreshTasks()
   },
 
   // 跨项目任务列表（方案 A 侧栏数据源）：归档视图切换时带 includeArchived 重取。
   async refreshTasks(includeArchived = state.ui.showArchived) {
+    const epoch = identityEpoch
+    const request = ++tasksRequest
     try {
       const tasks = await api.listTasks(includeArchived)
+      if (epoch !== identityEpoch || request !== tasksRequest) return
       set({ tasks })
       // 首次加载恢复上次会话（仅一次；此后用户主动切换/新建不再打扰）。
       if (!convRestoreDone) {
@@ -429,14 +468,35 @@ export const store = {
   },
 
   async refreshMe() {
-    try { set({ me: await api.me() }) } catch { /* 身份不可用时侧栏只显示通用入口 */ }
+    const epoch = identityEpoch
+    const request = ++meRequest
+    try {
+      const me = await api.me()
+      if (epoch !== identityEpoch || request !== meRequest) return
+      const changed = state.me !== null && state.me.owner !== me.owner
+      if (changed) store.resetIdentity()
+      set({ me })
+      if (changed) {
+        await store.refreshProjects()
+        void store.refreshProfiles()
+        void store.refreshPlugins()
+      }
+    } catch { /* 身份不可用时侧栏只显示通用入口 */ }
   },
 
   async createProject(name: string) {
-    const p = await api.createProject(name)
-    await store.refreshProjects()
-    store.toast(`项目「${p.name}」已创建`)
-    return p
+    const epoch = identityEpoch
+    try {
+      const p = await api.createProject(name)
+      if (epoch !== identityEpoch) throw new Error('登录状态已变化，请重新选择项目后再试')
+      await store.refreshProjects()
+      if (epoch !== identityEpoch) throw new Error('登录状态已变化，请重新选择项目后再试')
+      store.toast(`项目「${p.name}」已创建`)
+      return p
+    } catch (e) {
+      if (epoch === identityEpoch) store.toast(`项目创建失败：${projectActionError(e)}`)
+      throw e
+    }
   },
 
   async openProject(projectId: string) {
@@ -465,22 +525,33 @@ export const store = {
   /** 新建任务（=会话）：默认当前项目上下文；显式 projectId 用于"新建于指定项目"。
    * 空库时主按钮与空状态都写着「点击新建任务开始」，这里先落一个默认项目再开会话。 */
   async createTask(projectId?: string) {
-    let pid = projectId ?? state.currentProjectId
-    if (!pid && state.projects.length > 0) pid = state.projects[0].id
-    if (!pid) {
-      const p = await store.createProject('默认项目')
-      pid = p.id
+    const epoch = identityEpoch
+    try {
+      let pid = projectId ?? state.currentProjectId
+      if (!pid && state.projects.length > 0) pid = state.projects[0].id
+      if (!pid) {
+        const p = await store.createProject('默认项目')
+        pid = p.id
+      }
+      if (epoch !== identityEpoch) throw new Error('登录状态已变化，请重新选择项目后再试')
+      const error = projectWorkError(state.projects.find(p => p.id === pid))
+      if (error) throw new Error(error)
+      if (pid !== state.currentProjectId) await store.openProject(pid)
+      if (epoch !== identityEpoch) throw new Error('登录状态已变化，请重新选择项目后再试')
+      const c = await api.createConversation(pid)
+      if (epoch !== identityEpoch) return
+      await store.refreshTasks()
+      if (epoch === identityEpoch) await store.openTask(c.id)
+    } catch (e) {
+      if (epoch === identityEpoch) store.toast(`对话创建失败：${projectActionError(e)}`)
+      throw e
     }
-    if (pid !== state.currentProjectId) await store.openProject(pid)
-    const c = await api.createConversation(pid)
-    await store.refreshTasks()
-    await store.openTask(c.id)
   },
 
   /** 兼容旧入口（⌘/命令总线） */
   async createConversation(title?: string) {
-    if (title) store.toast('已在当前项目创建任务')
     await store.createTask()
+    if (title) store.toast('已在当前项目创建任务')
   },
 
   /** 打开任务：跨项目点击时切换项目上下文（工件/上传归属正确）。 */
@@ -996,8 +1067,9 @@ export const store = {
     const convId = state.currentConvId
     const pid = state.currentProjectId
     const epoch = conversationEpoch
+    const identity = identityEpoch
     const startedVersion = card.conversationId === state.currentConvId ? cardVersion : projectCardVersion
-    const sameContext = () => state.currentProjectId === pid && (!card.conversationId || (state.currentConvId === convId && conversationEpoch === epoch))
+    const sameContext = () => identity === identityEpoch && state.currentProjectId === pid && (!card.conversationId || (state.currentConvId === convId && conversationEpoch === epoch))
     actionInflight.add(card.id)
     const feedbackOwner = startActionFeedback(card.id)
     try {
@@ -1035,43 +1107,60 @@ export const store = {
         else await store.loadProjectCards()
       }
     } finally {
-      actionInflight.delete(card.id)
+      if (identity === identityEpoch) actionInflight.delete(card.id)
     }
   },
 
   async cardPin(card: ActivityCard, pinned: boolean) {
-    try { store.upsertCard((await api.cardPin(card.id, pinned)).card) } catch (e) { store.toast(`置顶失败：${e}`) }
+    const epoch = identityEpoch
+    try {
+      const out = await api.cardPin(card.id, pinned)
+      if (epoch === identityEpoch) store.upsertCard(out.card)
+    } catch (e) { if (epoch === identityEpoch) store.toast(`置顶失败：${e}`) }
   },
 
   async cardDismiss(card: ActivityCard) {
-    try { store.upsertCard((await api.cardDismiss(card.id)).card) } catch (e) { store.toast(`关闭失败：${e}`) }
+    const epoch = identityEpoch
+    try {
+      const out = await api.cardDismiss(card.id)
+      if (epoch === identityEpoch) store.upsertCard(out.card)
+    } catch (e) { if (epoch === identityEpoch) store.toast(`关闭失败：${e}`) }
   },
 
   async refreshArtifacts(projectId: string) {
+    const epoch = identityEpoch
     try {
       const artifacts = await api.listArtifacts(projectId)
-      if (state.currentProjectId !== projectId) return
+      if (epoch !== identityEpoch || state.currentProjectId !== projectId) return
       set({ artifacts })
     } catch { /* 项目删除竞态等，静默 */ }
   },
 
   async refreshProfiles() {
-    try { set({ profiles: await api.listProfiles() }) } catch { /* ignore */ }
+    const epoch = identityEpoch
+    try {
+      const profiles = await api.listProfiles()
+      if (epoch === identityEpoch) set({ profiles })
+    } catch { /* ignore */ }
   },
 
   async refreshPlugins() {
+    const epoch = identityEpoch
     try {
       const list = await api.listPlugins() as { panels?: PluginPanel[] }[]
+      if (epoch !== identityEpoch) return
       const panels = list.flatMap(p => p.panels ?? [])
       set({ pluginPanels: panels })
     } catch { /* ignore */ }
     try {
       const ws = await api.listWorkspaces()
+      if (epoch !== identityEpoch) return
       set({ serverWorkspaces: ws ?? [] })
     } catch { /* ignore */ }
     // 审计入口能力门控（增量 2）：与工作区清单同源刷新——能力撤销（插件卸载/命令停用）后入口随之隐藏。
     try {
       const cmds = await api.listCommands()
+      if (epoch !== identityEpoch) return
       set({
         rdmAuditAvailable: rdmAuditReady(cmds),
         rdmRolesAvailable: rdmRolesReady(cmds),
@@ -1079,13 +1168,19 @@ export const store = {
         rdmDocReviewAvailable: rdmDocReviewReady(cmds),
         rdmPermMatrixAvailable: rdmPermMatrixReady(cmds),
       })
-    } catch { set({ rdmAuditAvailable: false }) }
+    } catch {
+      if (epoch !== identityEpoch) return
+      set({ rdmAuditAvailable: false, rdmRolesAvailable: false, rdmMembersAvailable: false,
+        rdmDocReviewAvailable: false, rdmPermMatrixAvailable: false })
+    }
     try {
       const sections = await api.adminZoneSections()
+      if (epoch !== identityEpoch) return
       set({ adminSections: sections ?? [] })
     } catch { /* ignore */ }
     try {
       const settings = await api.getSettings()
+      if (epoch !== identityEpoch) return
       const runtime = settings.user.runtime
       const mock = !!runtime && typeof runtime === 'object' && (runtime as { mock?: unknown }).mock === true
       set({ runtimeMock: mock })
@@ -1094,15 +1189,16 @@ export const store = {
 
   async uploadAttachment(file: File): Promise<string | null> {
     const pid = state.currentProjectId
+    const epoch = identityEpoch
     if (!pid) return null
     try {
       const up = await api.upload(pid, file)
-      if (state.currentProjectId !== pid) return null
+      if (epoch !== identityEpoch || state.currentProjectId !== pid) return null
       store.toast(`已收到材料：${up.filename}${up.parsed ? ' · 已读取内容' : ''}`)
       await store.refreshArtifacts(pid)
       return up.artifactId
     } catch (e) {
-      if (state.currentProjectId === pid) store.toast('材料未能上传，请检查文件后重新选择')
+      if (epoch === identityEpoch && state.currentProjectId === pid) store.toast('材料未能上传，请检查文件后重新选择')
       return null
     }
   },
@@ -1140,9 +1236,10 @@ export const store = {
 
   connectProject() {
     const pid = store.getState().currentProjectId
+    const epoch = identityEpoch
     if (!pid) return
     projectSse?.close()
-    projectSse = connectEvents('', projectSeq, { onEvent: e => { if (state.currentProjectId === pid) store.applyProjectEvent(e) } }, pid)
+    projectSse = connectEvents('', projectSeq, { onEvent: e => { if (epoch === identityEpoch && state.currentProjectId === pid) store.applyProjectEvent(e) } }, pid)
   },
 
   applyProjectEvent(e: StreamEvent) {
@@ -1183,8 +1280,10 @@ export const store = {
   },
 
   async cardToProject(card: ActivityCard) {
+    const epoch = identityEpoch
     try {
       const out = await api.cardToProject(card.id)
+      if (epoch !== identityEpoch) return
       store.upsertCard(out.origin) // 会话视图：原卡 dismissed 留痕
       const list = store.getState().projectCards
       const i = list.findIndex(c => c.id === out.card.id)
@@ -1192,7 +1291,7 @@ export const store = {
       store.toast('已留档到项目收件箱')
       store.setInboxScope('project')
     } catch (e) {
-      store.toast(`留档失败：${e}`)
+      if (epoch === identityEpoch) store.toast(`留档失败：${e}`)
     }
   },
 
@@ -1300,6 +1399,8 @@ export const store = {
   },
 }
 
+auth.onIdentityChange(() => store.resetIdentity())
+
 function touchLive(_runId: string, mutate: (l: LiveState) => void, now = Date.now()): LiveState | null {
   if (state.runs.find(r => r.id === _runId)?.kind === 'subagent') return state.live
   if (state.live && state.live.runId !== _runId && !isTerminal(state.runs.find(r => r.id === state.live?.runId)?.status)) return state.live
diff --git a/test/project-access.test.ts b/test/project-access.test.ts
new file mode 100644
index 0000000..5ff23cc
--- /dev/null
+++ b/test/project-access.test.ts
@@ -0,0 +1,271 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { api } from '../src/api'
+import { auth } from '../src/auth'
+import { store } from '../src/store'
+import type { ActivityCard, Conversation, Project } from '../src/contracts'
+import { assignDocDutiesPayload, memberAddPayload } from '../src/rdmManagement'
+
+const project = (id: string, settings?: Project['settings']): Project => ({
+  id, name: id, settings, createdAt: '', updatedAt: '',
+})
+const ready = project('host-1', { 'rdm.projectId': 'domain-7', 'rdm.state': 'ready' })
+const task = (id: string): Conversation => ({ id, projectId: 'host-1', title: id, createdAt: '', updatedAt: '' })
+function deferred<T>() {
+  let resolve!: (value: T) => void
+  const promise = new Promise<T>(ok => { resolve = ok })
+  return { promise, resolve }
+}
+const response = (value: unknown, status = 200) => new Response(JSON.stringify(value), { status })
+let projects: Project[]
+let tasks: Conversation[]
+let requests: { path: string; init?: RequestInit }[]
+let route: (path: string, init?: RequestInit) => Promise<Response>
+
+beforeEach(async () => {
+  projects = []; tasks = []; requests = []
+  const saved = new Map<string, string>()
+  vi.stubGlobal('localStorage', { getItem: (key: string) => saved.get(key) ?? null,
+    setItem: (key: string, value: string) => { saved.set(key, value) },
+    removeItem: (key: string) => { saved.delete(key) } })
+  route = async (path, init) => {
+    if (path === '/api/projects' && !init?.method) return response(projects)
+    if (path.startsWith('/api/conversations') && !init?.method) return response(tasks)
+    if (path === '/api/me') return response({ owner: 'alice', name: 'Alice', auth: true })
+    if (path.endsWith('/artifacts')) return response([])
+    if (path.endsWith('/cards')) return response({ cards: [] })
+    if (path.endsWith('/surfaces')) return response([])
+    if (['/api/profiles', '/api/plugins', '/api/workspaces', '/api/commands', '/api/admin-zone/sections'].includes(path)) return response([])
+    if (path === '/api/settings') return response({ schema: [], defaults: {}, user: {}, project: {} })
+    if (path.startsWith('/api/commands/')) return response({ payload: { ok: true } })
+    return response({})
+  }
+  vi.stubGlobal('fetch', async (path: string, init?: RequestInit) => {
+    requests.push({ path, init })
+    return route(path, init)
+  })
+  vi.stubGlobal('EventSource', class { addEventListener() {} close() {} })
+  auth.beginSession()
+  await store.refreshProjects()
+  await store.refreshTasks()
+  store.setUI({ lastProjectId: null })
+  requests = []
+})
+afterEach(() => { vi.restoreAllMocks(); vi.unstubAllGlobals() })
+
+describe('project command identity', () => {
+  it.each(['rdm.perm.matrix', 'rdm.duty.catalog', 'rdm.duty.get', 'rdm.project.member.setRole'])('uses the same canonical boundary for %s', async command => {
+    await api.rdmProjectCommand(ready, command, { projectId: 'another-host', member: 'bob' })
+    expect(requests.map(r => ({ path: r.path, params: JSON.parse(String(r.init?.body)).params }))).toEqual([
+      { path: `/api/commands/${command}`, params: { projectId: 'domain-7', member: 'bob' } },
+    ])
+  })
+
+  it('sends member and duty commands to the canonical domain project from service metadata', async () => {
+    await api.rdmProjectCommand(ready, 'rdm.project.member.add', memberAddPayload(ready.id, 'bob'))
+    await api.rdmProjectCommand(ready, 'rdm.review.assign.doc', assignDocDutiesPayload(ready.id, 'doc-2', 'alice', ['bob'], 'carol'))
+    expect(requests.map(r => JSON.parse(String(r.init?.body)).params)).toEqual([
+      { projectId: 'domain-7', member: 'bob', role: 'member' },
+      { projectId: 'domain-7', docId: 'doc-2', author: 'alice', reviewers: ['bob'], approver: 'carol' },
+    ])
+  })
+
+  it.each([
+    project('host-1', { 'rdm.state': 'unbound' }),
+    project('host-1', { 'rdm.projectId': 'domain-7', 'rdm.state': 'failed' }),
+    project('host-1', { 'rdm.projectId': 'domain-7' }),
+    project('host-1'),
+  ])('does not invent a domain ID or send commands for an unready binding: %j', async p => {
+    await expect(api.rdmProjectCommand(p, 'rdm.project.member.list')).rejects.toThrow()
+    expect(requests).toEqual([])
+  })
+})
+
+describe('project work and mutation failures', () => {
+  it('keeps private history readable for an archived project while refusing new work', async () => {
+    projects = [project('host-1', { 'rdm.projectId': 'domain-7', 'rdm.state': 'archived' })]
+    tasks = [task('private-history')]
+    const previous = route
+    route = async (path, init) => {
+      if (path === '/api/conversations/private-history') return response({ conversation: tasks[0],
+        messages: [{ id: 'own-message', conversationId: 'private-history', role: 'user', parts: [{ type: 'text', text: 'My history' }], createdAt: '' }],
+        runs: [], activeHitl: [], lastSeq: 0 })
+      if (path.endsWith('/plan') || path.endsWith('/todos')) return response(null)
+      return previous(path, init)
+    }
+    await store.refreshProjects()
+    await store.openTask('private-history')
+    await expect(store.createTask()).rejects.toThrow()
+    expect(store.getState().currentConvId).toBe('private-history')
+    expect(store.getState().messages.map(m => m.id)).toEqual(['own-message'])
+    expect(requests.filter(r => r.init?.method === 'POST')).toEqual([])
+  })
+
+  it.each([ready, project('host-1')])('creates private work with the host ID in ready RDM and ordinary base mode: %j', async p => {
+    projects = [p]
+    await store.refreshProjects()
+    const previous = route
+    route = async (path, init) => {
+      if (path === '/api/projects/host-1/conversations' && init?.method === 'POST') {
+        tasks = [task('new-private')]
+        return response(tasks[0])
+      }
+      if (path === '/api/conversations/new-private') {
+        return response({ conversation: tasks[0], messages: [], runs: [], activeHitl: [], lastSeq: 0 })
+      }
+      if (path.endsWith('/plan') || path.endsWith('/todos')) return response(null)
+      return previous(path, init)
+    }
+    await store.createTask()
+    expect(store.getState().currentConvId).toBe('new-private')
+    expect(requests.filter(r => r.init?.method === 'POST').map(r => r.path)).toEqual(['/api/projects/host-1/conversations'])
+  })
+
+  it.each(['provisioning', 'failed', 'unbound', 'archived', 'closed'])('does not create a fallback project or conversation for a selected %s project', async state => {
+    projects = [project('host-1', { 'rdm.state': state }), project('host-2')]
+    await store.refreshProjects()
+    requests = []
+    await expect(store.createTask()).rejects.toThrow()
+    expect(requests.filter(r => r.init?.method === 'POST')).toEqual([])
+    expect(store.getState().currentProjectId).toBe('host-1')
+    expect(store.getState().toast).toMatch(/项目.*(稍后|负责人|恢复|关闭)/)
+  })
+
+  it('does not bypass a selected project absent from the current list', async () => {
+    await store.openProject('revoked-project')
+    requests = []
+    await expect(store.createTask()).rejects.toThrow()
+    expect(requests.filter(r => r.init?.method === 'POST')).toEqual([])
+  })
+
+  it.each(['delete', 'rename'])('rejects a denied %s instead of resolving success', async action => {
+    route = async () => response({ error: 'project administration required' }, 403)
+    const mutation = action === 'delete' ? api.deleteProject('host-1') : api.renameProject('host-1', 'renamed')
+    await expect(mutation).rejects.toThrow(/403/)
+  })
+
+  it('retains selection and gives an actionable message when project creation is rejected', async () => {
+    projects = [ready]
+    await store.refreshProjects()
+    route = async () => response({ error: 'name reserved' }, 409)
+    await expect(store.createProject('Taken')).rejects.toThrow()
+    expect(store.getState().currentProjectId).toBe('host-1')
+    expect(store.getState().toast).toMatch(/名称.*(其他|更换)/)
+    expect(store.getState().toast).not.toContain('已创建')
+  })
+
+  it('checks a denied settings save instead of resolving success', async () => {
+    route = async () => response({ error: 'denied' }, 403)
+    await expect(api.putProjectSettings('host-1', {})).rejects.toThrow(/403/)
+  })
+})
+
+describe('identity-scoped state', () => {
+  it('resets state on a successful cookie login, without relying on a component callback', async () => {
+    projects = [ready]; tasks = [task('alice-private')]
+    await store.refreshProjects(); await store.refreshTasks()
+    route = async () => response({ owner: 'bob', name: 'Bob', isAdmin: false, mustChangePassword: false, passwordSet: true, sessionScope: 'normal' })
+    await api.login('bob', 'password-for-test')
+    expect(store.getState().projects).toEqual([])
+    expect(store.getState().tasks).toEqual([])
+  })
+
+  it('clears old state as soon as logout starts, even while the server response is pending', async () => {
+    projects = [ready]; tasks = [task('alice-private')]
+    await store.refreshProjects(); await store.refreshTasks()
+    const pending = deferred<Response>()
+    route = async () => pending.promise
+    const logout = api.logout()
+    expect(store.getState().projects).toEqual([])
+    expect(store.getState().tasks).toEqual([])
+    pending.resolve(response({ ok: true }))
+    await logout
+  })
+
+  it('clears the previous account when the authenticated owner changes during identity refresh', async () => {
+    await store.refreshMe()
+    projects = [ready]; tasks = [task('alice-private')]
+    await store.refreshProjects(); await store.refreshTasks()
+    const previous = route
+    projects = []; tasks = []
+    route = (path, init) => path === '/api/me' ? Promise.resolve(response({ owner: 'bob', name: 'Bob', auth: true })) : previous(path, init)
+    await store.refreshMe()
+    expect(store.getState()).toMatchObject({ me: { owner: 'bob' }, projects: [], tasks: [], currentProjectId: null, currentConvId: null })
+  })
+
+  it('clears projects, private tasks, previews and persisted selections on a new session', async () => {
+    projects = [ready]; tasks = [task('alice-private')]
+    await store.refreshProjects(); await store.refreshTasks()
+    store.openSurface('surface-alice')
+    store.setUI({ projectSettingsId: 'host-1', adminZoneOpen: true, activeWorkspace: 'private-workspace' })
+    localStorage.setItem('as.conv', 'alice-private')
+    auth.beginSession()
+    expect(store.getState()).toMatchObject({ projects: [], tasks: [], me: null, currentProjectId: null, currentConvId: null, artifacts: [], previewTabs: {}, previewActive: {} })
+    expect(store.getState().ui).toMatchObject({ lastProjectId: null, projectSettingsId: null, adminZoneOpen: false, activeWorkspace: null })
+    expect(localStorage.getItem('as.conv')).toBeNull()
+    expect(JSON.parse(localStorage.getItem('as.ui') ?? '{}').lastProjectId).toBeNull()
+  })
+
+  it('drops old project responses after switching accounts even when IDs are shared', async () => {
+    const old = deferred<Response>()
+    const previous = route
+    route = (path, init) => path === '/api/projects' ? old.promise : previous(path, init)
+    const pending = store.refreshProjects()
+    auth.beginSession()
+    projects = [project('host-1', { 'rdm.projectId': 'domain-7', 'rdm.state': 'ready' })]
+    route = previous
+    await store.refreshProjects()
+    old.resolve(response([project('alice-only')]))
+    await pending
+    expect(store.getState().projects.map(p => p.id)).toEqual(['host-1'])
+    expect(store.getState().currentProjectId).toBe('host-1')
+  })
+
+  it('drops an old private task list after logout and a new session', async () => {
+    const old = deferred<Response>()
+    const previous = route
+    route = (path, init) => path === '/api/conversations' ? old.promise : previous(path, init)
+    const pending = store.refreshTasks()
+    auth.logout()
+    auth.beginSession()
+    tasks = [task('bob-private')]
+    route = previous
+    await store.refreshTasks()
+    old.resolve(response([task('alice-private')]))
+    await pending
+    expect(store.getState().tasks.map(t => t.id)).toEqual(['bob-private'])
+  })
+
+  it('drops an old artifact response when the next account selects the same project', async () => {
+    await store.openProject('host-1')
+    const old = deferred<Response>()
+    const previous = route
+    route = (path, init) => path.endsWith('/artifacts') ? old.promise : previous(path, init)
+    const pending = store.refreshArtifacts('host-1')
+    auth.beginSession()
+    route = previous
+    await store.openProject('host-1')
+    old.resolve(response([{ id: 'alice-artifact', projectId: 'host-1', owner: 'alice', name: 'Alice private', kind: 'file', size: 10, createdAt: '', updatedAt: '' }]))
+    await pending
+    expect(store.getState().artifacts).toEqual([])
+  })
+
+  it.each(['action', 'pin', 'dismiss', 'to-project'] as const)('ignores a late project card %s from the previous account on the same shared project', async operation => {
+    projects = [ready]
+    await store.refreshProjects()
+    const old = deferred<Response>()
+    const previous = route
+    route = (path, init) => path.startsWith('/api/cards/') ? old.promise : previous(path, init)
+    const card: ActivityCard = { id: 'alice-card', projectId: 'host-1', kind: 'progress', status: 'active', title: 'Alice private work', createdAt: '', updatedAt: '' }
+    const pending = operation === 'action' ? store.cardAction(card, 'finish')
+      : operation === 'pin' ? store.cardPin(card, true)
+      : operation === 'dismiss' ? store.cardDismiss(card)
+      : store.cardToProject(card)
+    auth.beginSession()
+    route = previous
+    await store.refreshProjects()
+    old.resolve(response({ card: { ...card, status: 'done' }, origin: { ...card, status: 'dismissed' } }))
+    await pending
+    expect(store.getState().projectCards).toEqual([])
+    expect(store.getState().cards).toEqual([])
+  })
+})