feat: 管理端专家管理完整CRUD(新增创建和删除)

后端:
- ExpertStore.create_expert: 创建专家(含bcrypt密码哈希)
- ExpertStore.delete_expert: 级联删除(咨询+服务关系+专家)
- POST /admin/experts: 创建专家API
- DELETE /admin/experts/{id}: 删除专家API

前端:
- AdminExperts页面加"新增专家"按钮和创建弹窗
- 创建弹窗含姓名/手机号/密码/分类/职称/简介/专长
- 每个专家卡片加删除按钮,二次确认后删除
- api.ts加adminCreateExpert和adminDeleteExpert方法

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

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

web2/src/pages/admin/AdminExperts.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useRef, useState } from 'react'
 import { toast } from 'sonner'
-import { Briefcase, Loader2, Pencil, Power, PowerOff, Star, Trash2, Upload } from 'lucide-react'
+import { Briefcase, Loader2, Pencil, Power, PowerOff, Star, Trash2, Upload, UserPlus } from 'lucide-react'
 import { PageLayout } from '@/components/common/PageLayout'
 import { EmptyState } from '@/components/common/EmptyState'
 import { LoadingState } from '@/components/common/LoadingState'
@@ -27,6 +27,9 @@ export function AdminExperts() {
   const [loading, setLoading] = useState(true)
   const [toggling, setToggling] = useState<number | null>(null)
   const [editing, setEditing] = useState<Expert | null>(null)
+  const [creating, setCreating] = useState(false)
+  const [deleting, setDeleting] = useState<Expert | null>(null)
+  const [deleteLoading, setDeleteLoading] = useState(false)
 
   const loadExperts = async () => {
     try {
@@ -52,6 +55,22 @@ export function AdminExperts() {
     }
   }
 
+  /** 确认删除专家 */
+  const handleDelete = async () => {
+    if (!deleting) return
+    setDeleteLoading(true)
+    try {
+      await api.adminDeleteExpert(deleting.id)
+      toast.success(`已删除专家 ${deleting.name}`)
+      setDeleting(null)
+      loadExperts()
+    } catch (e) {
+      toast.error(e instanceof Error ? e.message : '删除失败')
+    } finally {
+      setDeleteLoading(false)
+    }
+  }
+
   if (loading) {
     return (
       <PageLayout title="专家管理" description="专家上下架管理">
@@ -61,7 +80,13 @@ export function AdminExperts() {
   }
 
   return (
-    <PageLayout title="专家管理" description="专家上下架、编辑信息、上传头像">
+    <PageLayout title="专家管理" description="专家上下架、编辑信息、上传头像"
+      actions={
+        <Button size="sm" onClick={() => setCreating(true)}>
+          <UserPlus className="h-3.5 w-3.5" /> 新增专家
+        </Button>
+      }
+    >
       {experts.length === 0 ? (
         <EmptyState title="暂无专家" icon={Briefcase} />
       ) : (
@@ -123,6 +148,14 @@ export function AdminExperts() {
                           ex.status === 'active' ? <PowerOff className="h-3.5 w-3.5" /> : <Power className="h-3.5 w-3.5" />}
                         {ex.status === 'active' ? '下架' : '上架'}
                       </Button>
+                      <Button
+                        size="sm"
+                        variant="outline"
+                        className="text-rose-600 hover:bg-rose-50"
+                        onClick={() => setDeleting(ex)}
+                      >
+                        <Trash2 className="h-3.5 w-3.5" />
+                      </Button>
                     </div>
                   </div>
                 </CardContent>
@@ -140,6 +173,33 @@ export function AdminExperts() {
           onSuccess={() => { loadExperts(); setEditing(null) }}
         />
       )}
+
+      {/* 新增专家弹窗 */}
+      {creating && (
+        <CreateExpertDialog
+          onClose={() => setCreating(false)}
+          onSuccess={() => { loadExperts(); setCreating(false) }}
+        />
+      )}
+
+      {/* 删除确认弹窗 */}
+      <Dialog open={!!deleting} onOpenChange={(o) => !o && setDeleting(null)}>
+        <DialogContent className="max-w-sm">
+          <DialogHeader>
+            <DialogTitle>删除专家</DialogTitle>
+            <DialogDescription>
+              确定要删除专家「{deleting?.name}」吗?将同时删除其所有服务关系和咨询记录,此操作不可恢复。
+            </DialogDescription>
+          </DialogHeader>
+          <DialogFooter>
+            <Button variant="outline" onClick={() => setDeleting(null)}>取消</Button>
+            <Button variant="destructive" onClick={handleDelete} disabled={deleteLoading}>
+              {deleteLoading ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Trash2 className="h-3.5 w-3.5" />}
+              确认删除
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
     </PageLayout>
   )
 }
@@ -309,3 +369,118 @@ function EditExpertDialog({
     </Dialog>
   )
 }
+
+/** 新增专家弹窗:含登录账号 + 基本信息 */
+function CreateExpertDialog({
+  onClose,
+  onSuccess,
+}: {
+  onClose: () => void
+  onSuccess: () => void
+}) {
+  const [name, setName] = useState('')
+  const [phone, setPhone] = useState('')
+  const [password, setPassword] = useState('')
+  const [category, setCategory] = useState<Expert['category']>('legal')
+  const [title, setTitle] = useState('')
+  const [bio, setBio] = useState('')
+  const [expertise, setExpertise] = useState('')
+  const [saving, setSaving] = useState(false)
+
+  const handleSave = async () => {
+    if (!name.trim()) { toast.error('姓名不能为空'); return }
+    if (!phone.trim()) { toast.error('手机号不能为空'); return }
+    if (password.length < 6) { toast.error('密码至少 6 位'); return }
+    setSaving(true)
+    try {
+      await api.adminCreateExpert({
+        name: name.trim(),
+        phone: phone.trim(),
+        password,
+        category,
+        title: title.trim(),
+        bio: bio.trim(),
+        expertise: expertise.trim(),
+        status: 'active',
+      })
+      toast.success('专家创建成功')
+      onSuccess()
+    } catch (err) {
+      toast.error(err instanceof Error ? err.message : '创建失败')
+    } finally {
+      setSaving(false)
+    }
+  }
+
+  return (
+    <Dialog open onOpenChange={(o) => !o && onClose()}>
+      <DialogContent className="max-w-lg">
+        <DialogHeader>
+          <DialogTitle>新增专家</DialogTitle>
+          <DialogDescription>创建专家账号,填写基本信息和登录密码</DialogDescription>
+        </DialogHeader>
+
+        <div className="max-h-[70vh] space-y-4 overflow-y-auto py-2">
+          {/* 姓名 */}
+          <div className="space-y-1.5">
+            <Label htmlFor="create-name">姓名 *</Label>
+            <Input id="create-name" value={name} onChange={(e) => setName(e.target.value)} placeholder="专家姓名" />
+          </div>
+
+          {/* 手机号 */}
+          <div className="space-y-1.5">
+            <Label htmlFor="create-phone">手机号(登录账号) *</Label>
+            <Input id="create-phone" value={phone} onChange={(e) => setPhone(e.target.value)} placeholder="如:13800138000" />
+          </div>
+
+          {/* 密码 */}
+          <div className="space-y-1.5">
+            <Label htmlFor="create-password">登录密码(至少 6 位) *</Label>
+            <Input id="create-password" type="password" value={password} onChange={(e) => setPassword(e.target.value)} placeholder="设置初始密码" />
+          </div>
+
+          {/* 分类 */}
+          <div className="space-y-1.5">
+            <Label>分类</Label>
+            <Select value={category} onValueChange={(v) => setCategory(v as Expert['category'])}>
+              <SelectTrigger><SelectValue /></SelectTrigger>
+              <SelectContent>
+                <SelectItem value="legal">法务</SelectItem>
+                <SelectItem value="decision">经营</SelectItem>
+                <SelectItem value="emotion">情绪</SelectItem>
+                <SelectItem value="life">生活</SelectItem>
+              </SelectContent>
+            </Select>
+          </div>
+
+          {/* 职称 */}
+          <div className="space-y-1.5">
+            <Label htmlFor="create-title">职称 / 头衔</Label>
+            <Input id="create-title" value={title} onChange={(e) => setTitle(e.target.value)} placeholder="如:高级律师" />
+          </div>
+
+          {/* 简介 */}
+          <div className="space-y-1.5">
+            <Label htmlFor="create-bio">简介</Label>
+            <Textarea id="create-bio" value={bio} onChange={(e) => setBio(e.target.value)} placeholder="专家背景介绍" className="min-h-[80px]" />
+          </div>
+
+          {/* 专长 */}
+          <div className="space-y-1.5">
+            <Label htmlFor="create-expertise">专长(逗号分隔)</Label>
+            <Input id="create-expertise" value={expertise} onChange={(e) => setExpertise(e.target.value)} placeholder="如:劳动用工,合同审查,股权纠纷" />
+            <p className="text-xs text-muted-foreground">多个专长用英文逗号分隔</p>
+          </div>
+        </div>
+
+        <DialogFooter>
+          <Button variant="outline" onClick={onClose}>取消</Button>
+          <Button onClick={handleSave} disabled={saving}>
+            {saving ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <UserPlus className="h-3.5 w-3.5" />}
+            创建
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  )
+}