feat: BossAi v2.0 UI/UX 重构 + 看板断点续接 + 多轮上下文

- 新增 web2/ 前端:任务卡看板、风险雷达、决策日志、我的团队、快捷指令
- ChatPanel 增强:风险卡置顶、案卡接入、起诉状向导、语音输入
- 事项看板:点击查看详情弹窗、断点续接(恢复历史对话+matterId)
- 保密模式恢复:密码验证后重建内存 session,保留多轮上下文
- 多轮对话:ask/ask-stream/ask-analyze 注入 session 历史,AI 有上下文
- 追问优化:紧扣用户问题,不再偏离主题(社保问社保,工伤问工伤)
- 对话区可滚动,输入区固定可见
- 状态机放宽:允许从任意非终态转到 pending_expert
- session 存活检查端点,后端重启后自动重建 session
- DB migration:风险推送表、案卡表

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

web/src/components/common/ChatPanel.tsx

@@ -717,8 +717,10 @@ export function ChatPanel({
               >
                 <div
                   className={cn(
-                    'max-w-[80%] rounded-lg p-3 text-sm',
-                    msg.role === 'user' ? 'bg-primary text-primary-foreground' : 'bg-muted',
+                    'rounded-lg p-3 text-sm',
+                    msg.role === 'user'
+                      ? 'max-w-[80%] bg-primary text-primary-foreground'
+                      : 'max-w-[95%] bg-muted sm:max-w-[85%]',
                   )}
                 >
                   {msg.risk ? (
@@ -1067,7 +1069,7 @@ export function ChatPanel({
 
     {/* 专家咨询弹窗 */}
     <Dialog open={expertConsultOpen} onOpenChange={setExpertConsultOpen}>
-      <DialogContent className="max-w-xl">
+      <DialogContent className="max-w-lg">
         <DialogHeader>
           <DialogTitle className="flex items-center gap-2">
             <Users className="h-4 w-4 text-primary" /> 发给专家咨询

web/src/components/layout/Header.tsx

@@ -1,8 +1,8 @@
 import { useState } from 'react'
+import { createPortal } from 'react-dom'
 import { useLocation, useNavigate } from 'react-router-dom'
 import { Menu, X, ShieldCheck, LogOut } from 'lucide-react'
 import { Button } from '@/components/ui/button'
-import { cn } from '@/lib/utils'
 import { clearAuth, getName, getPhone } from '@/lib/auth'
 import { toast } from 'sonner'
 
@@ -65,11 +65,11 @@ export function Header({ nav }: { nav: React.ReactNode }) {
         </div>
       </div>
 
-      {/* 移动端抽屉 */}
-      {open && (
+      {/* 移动端抽屉 - 用 Portal 渲染到 body,避免 header backdrop-blur 影响 */}
+      {open && createPortal(
         <div className="fixed inset-0 z-50 md:hidden">
           <div className="absolute inset-0 bg-black/60" onClick={() => setOpen(false)} />
-          <div className={cn('absolute left-0 top-0 h-full w-60 bg-card p-3 shadow-lg')}>
+          <div className="absolute left-0 top-0 h-full w-60 border-r bg-white p-3 shadow-xl">
             <div className="flex h-11 items-center justify-between px-2">
               <span className="font-semibold">左右(BossAi)</span>
               <Button variant="ghost" size="icon" aria-label="关闭菜单" onClick={() => setOpen(false)}>
@@ -78,7 +78,8 @@ export function Header({ nav }: { nav: React.ReactNode }) {
             </div>
             <div onClick={() => setOpen(false)}>{nav}</div>
           </div>
-        </div>
+        </div>,
+        document.body,
       )}
     </header>
   )

web/src/components/layout/Sidebar.tsx

@@ -78,7 +78,7 @@ export function Sidebar() {
   }
 
   return (
-    <aside className="hidden md:flex md:w-60 md:flex-col md:fixed md:inset-y-0 md:border-r md:bg-card">
+    <aside className="hidden md:flex md:w-60 md:flex-col md:fixed md:inset-y-0 md:border-r md:bg-white">
       <div className="flex h-14 items-center gap-2 border-b px-5">
         <ShieldCheck className="h-5 w-5 text-primary" aria-hidden />
         <span className="font-semibold tracking-tight">左右(BossAi)</span>

web/src/components/ui/dialog.tsx

@@ -32,7 +32,7 @@ const DialogContent = React.forwardRef<
     <DialogPrimitive.Content
       ref={ref}
       className={cn(
-        'fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 sm:rounded-lg',
+        'fixed left-[50%] top-[50%] z-50 flex w-[calc(100vw-1.5rem)] max-w-lg translate-x-[-50%] translate-y-[-50%] flex-col gap-4 overflow-x-hidden overflow-y-auto border bg-background p-4 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 sm:rounded-lg sm:p-6',
         className,
       )}
       {...props}

web/src/lib/utils.ts

@@ -5,3 +5,35 @@ import { twMerge } from 'tailwind-merge'
 export function cn(...inputs: ClassValue[]) {
   return twMerge(clsx(inputs))
 }
+
+/** 将后端时间字符串(UTC 或带时区)格式化为北京时间(Asia/Shanghai)
+ *
+ * 后端 PostgreSQL 存储 UTC 时间,返回的字符串可能为:
+ * - "2026-08-30T03:46:00+00:00" (带时区)
+ * - "2026-08-30 03:46:00" (无时区,按 UTC 处理)
+ * - "2026-08-30T03:46:00" (无时区,按 UTC 处理)
+ *
+ * 统一转换为北京时间显示。
+ */
+export function formatTime(dt: string | null | undefined): string {
+  if (!dt) return '-'
+  const d = new Date(dt)
+  if (isNaN(d.getTime())) return dt // 无法解析则原样返回
+  return d.toLocaleString('zh-CN', {
+    timeZone: 'Asia/Shanghai',
+    year: 'numeric', month: '2-digit', day: '2-digit',
+    hour: '2-digit', minute: '2-digit',
+    hour12: false,
+  })
+}
+
+/** 仅日期格式(北京时间) */
+export function formatDate(dt: string | null | undefined): string {
+  if (!dt) return '-'
+  const d = new Date(dt)
+  if (isNaN(d.getTime())) return dt
+  return d.toLocaleDateString('zh-CN', {
+    timeZone: 'Asia/Shanghai',
+    year: 'numeric', month: '2-digit', day: '2-digit',
+  })
+}

web/src/pages/ChatHistory.tsx

@@ -66,11 +66,12 @@ const SCENE_LABELS: Record<string, string> = {
   emotion: '情绪中心',
 }
 
-/** 格式化时间 */
+/** 格式化时间(北京时间) */
 function formatTime(iso: string | null): string {
   if (!iso) return ''
   const d = new Date(iso)
   return d.toLocaleString('zh-CN', {
+    timeZone: 'Asia/Shanghai',
     month: '2-digit',
     day: '2-digit',
     hour: '2-digit',

web/src/pages/Experts.tsx

@@ -24,6 +24,7 @@ import {
   Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter,
 } from '@/components/ui/dialog'
 import { api } from '@/lib/api'
+import { formatTime } from '@/lib/utils'
 import type { Expert, ExpertService, Consultation } from '@/types'
 
 const CATEGORIES = [
@@ -204,7 +205,7 @@ export function Experts() {
                             <span className="truncate text-sm text-muted-foreground">{s.expert_title}</span>
                           </div>
                           <p className="mt-1 text-sm text-muted-foreground">{s.expert_bio}</p>
-                          <p className="mt-1 text-xs text-muted-foreground">选定时间:{s.created_at}</p>
+                          <p className="mt-1 text-xs text-muted-foreground">选定时间:{formatTime(s.created_at)}</p>
                         </div>
                         <Badge variant={s.status === 'active' ? 'default' : 'outline'} className="shrink-0">
                           {s.status === 'active' ? '服务中' : s.status === 'pending' ? '待确认' : '已结束'}
@@ -258,7 +259,7 @@ export function Experts() {
                             <Markdown content={c.reply} />
                           </div>
                         )}
-                        <p className="mt-2 text-xs text-muted-foreground">{c.created_at}</p>
+                        <p className="mt-2 text-xs text-muted-foreground">{formatTime(c.created_at)}</p>
                       </div>
                       <Badge variant={c.status === 'replied' ? 'default' : 'outline'} className="shrink-0">
                         {c.status === 'replied' ? '已回复' : c.status === 'pending' ? '待回复' : '已关闭'}

web/src/pages/MyProfile.tsx

@@ -8,7 +8,7 @@ import { Card, CardContent } from '@/components/ui/card'
 import { Badge } from '@/components/ui/badge'
 import { Button } from '@/components/ui/button'
 import { api } from '@/lib/api'
-import { cn } from '@/lib/utils'
+import { cn, formatTime } from '@/lib/utils'
 
 /** 用户画像数据 */
 interface ProfileData {
@@ -281,15 +281,6 @@ const SOURCE_LABELS: Record<string, string> = {
   manual: '用户确认',
 }
 
-/** 格式化时间 */
-function formatTime(dt: string): string {
-  if (!dt) return '-'
-  return new Date(dt).toLocaleString('zh-CN', {
-    year: 'numeric', month: '2-digit', day: '2-digit',
-    hour: '2-digit', minute: '2-digit',
-  })
-}
-
 /** 格式化字段值 */
 function formatValue(key: string, value: string): string {
   if (key === 'company_size') return SIZE_LABELS[value] || value

web/src/pages/admin/AdminUsers.tsx

@@ -36,10 +36,11 @@ const SCENE_LABELS: Record<string, string> = {
   emotion: '情绪中心',
 }
 
-/** 格式化时间 */
+/** 格式化时间(北京时间) */
 function formatTime(dt: string | null): string {
   if (!dt) return '从未使用'
   return new Date(dt).toLocaleString('zh-CN', {
+    timeZone: 'Asia/Shanghai',
     month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit',
   })
 }

web/src/pages/workbench/WorkbenchPending.tsx

@@ -5,6 +5,7 @@ import { Markdown } from '@/components/common/Markdown'
 import { Card, CardContent } from '@/components/ui/card'
 import { Button } from '@/components/ui/button'
 import { Badge } from '@/components/ui/badge'
+import { formatTime } from '@/lib/utils'
 import type { Consultation } from '@/types'
 import { useWorkbenchData, WorkbenchShell, ReplyDialog, maskPhone } from './shared'
 
@@ -42,7 +43,7 @@ export function WorkbenchPending() {
                         <Markdown content={c.context} />
                       </div>
                     )}
-                    <p className="mt-2 text-xs text-muted-foreground">创建时间:{c.created_at}</p>
+                    <p className="mt-2 text-xs text-muted-foreground">创建时间:{formatTime(c.created_at)}</p>
                   </div>
                   <Button size="sm" className="shrink-0" onClick={() => setReplyTarget(c)}>
                     <Send className="h-3.5 w-3.5" /> 回复

web/src/pages/workbench/WorkbenchPendingServices.tsx

@@ -5,6 +5,7 @@ import { EmptyState } from '@/components/common/EmptyState'
 import { Card, CardContent } from '@/components/ui/card'
 import { Button } from '@/components/ui/button'
 import { api } from '@/lib/api'
+import { formatTime } from '@/lib/utils'
 import { useWorkbenchData, WorkbenchShell, maskPhone } from './shared'
 
 /** 专家工作台 - 待确认服务:用户选定专家后,专家确认接单 */
@@ -38,7 +39,7 @@ export function WorkbenchPendingServices() {
               <CardContent className="flex items-center justify-between gap-2 py-3">
                 <div className="min-w-0">
                   <p className="text-sm font-medium">用户:{maskPhone(s.user_phone || '')}</p>
-                  <p className="text-xs text-muted-foreground">请求时间:{s.created_at}</p>
+                  <p className="text-xs text-muted-foreground">请求时间:{formatTime(s.created_at)}</p>
                 </div>
                 <Button size="sm" className="shrink-0" onClick={() => handleAccept(s.service_id)} disabled={accepting === s.service_id}>
                   {accepting === s.service_id ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Check className="h-3.5 w-3.5" />}

web/src/pages/workbench/WorkbenchReplied.tsx

@@ -2,6 +2,7 @@ import { useState } from 'react'
 import { Star, Eye } from 'lucide-react'
 import { EmptyState } from '@/components/common/EmptyState'
 import { Card, CardContent } from '@/components/ui/card'
+import { formatTime } from '@/lib/utils'
 import type { Consultation } from '@/types'
 import { useWorkbenchData, WorkbenchShell, ConsultationDetailDialog, maskPhone } from './shared'
 
@@ -29,7 +30,7 @@ export function WorkbenchReplied() {
                   <Eye className="h-3.5 w-3.5 shrink-0 text-muted-foreground" />
                 </div>
                 <p className="mt-1 line-clamp-2 text-xs text-muted-foreground">{c.reply}</p>
-                <p className="mt-1 text-xs text-muted-foreground">回复时间:{c.replied_at}</p>
+                <p className="mt-1 text-xs text-muted-foreground">回复时间:{formatTime(c.replied_at)}</p>
               </CardContent>
             </Card>
           ))}

web/src/pages/workbench/shared.tsx

@@ -11,6 +11,7 @@ import {
   Dialog, DialogContent, DialogHeader, DialogTitle, DialogFooter, DialogDescription,
 } from '@/components/ui/dialog'
 import { api } from '@/lib/api'
+import { formatTime } from '@/lib/utils'
 import type { Expert, ExpertService, Consultation } from '@/types'
 
 /** 脱敏手机号 */
@@ -146,7 +147,7 @@ export function ConsultationDetailDialog({
             <div className="rounded-md border border-emerald-500/20 bg-emerald-500/5 p-3 text-sm">
               <Markdown content={target?.reply || ''} />
             </div>
-            <p className="mt-1.5 text-xs text-muted-foreground">回复时间:{target?.replied_at}</p>
+            <p className="mt-1.5 text-xs text-muted-foreground">回复时间:{formatTime(target?.replied_at)}</p>
           </div>
         </div>
         <DialogFooter>