feat: 画像特征支持增删项目

- 画像特征区域右上角加"添加"按钮,弹窗输入名称和值
- 每个特征hover显示删除图标,点击删除
- 无特征时显示"添加画像特征"入口

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

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

web2/src/pages/MyProfile.tsx

@@ -1,5 +1,5 @@
 import { useEffect, useState, useCallback } from 'react'
-import { UserCircle, History, ChevronRight, ArrowLeft, ChevronDown, Pencil } from 'lucide-react'
+import { UserCircle, History, ChevronRight, ArrowLeft, ChevronDown, Pencil, Plus, Trash2 } from 'lucide-react'
 import { PageLayout } from '@/components/common/PageLayout'
 import { EmptyState } from '@/components/common/EmptyState'
 import { LoadingState } from '@/components/common/LoadingState'
@@ -432,6 +432,9 @@ export function MyProfile() {
   const [editing, setEditing] = useState<{ field: string; label: string; value: string; type: 'select' | 'text' } | null>(null)
   const [editValue, setEditValue] = useState('')
   const [saving, setSaving] = useState(false)
+  const [addingFact, setAddingFact] = useState(false)
+  const [newFactKey, setNewFactKey] = useState('')
+  const [newFactValue, setNewFactValue] = useState('')
 
   const load = useCallback(async () => {
     setLoading(true)
@@ -492,6 +495,39 @@ export function MyProfile() {
     }
   }
 
+  /** 删除画像特征 */
+  const handleDeleteFact = async (key: string) => {
+    if (!profile) return
+    try {
+      // 通过更新空值来删除
+      const newFacts = { ...profile.key_facts }
+      delete newFacts[key]
+      await api.updateProfile({ key_facts: newFacts })
+      setProfile((prev) => prev ? { ...prev, key_facts: newFacts } : prev)
+    } catch (e) {
+      setError(e instanceof Error ? e.message : '删除失败')
+    }
+  }
+
+  /** 添加画像特征 */
+  const handleAddFact = async () => {
+    if (!newFactKey.trim() || !newFactValue.trim() || !profile) return
+    setSaving(true)
+    try {
+      const key = newFactKey.trim()
+      const newFacts = { ...profile.key_facts, [key]: newFactValue.trim() }
+      await api.updateProfile({ key_facts: newFacts })
+      setProfile((prev) => prev ? { ...prev, key_facts: newFacts } : prev)
+      setAddingFact(false)
+      setNewFactKey('')
+      setNewFactValue('')
+    } catch (e) {
+      setError(e instanceof Error ? e.message : '添加失败')
+    } finally {
+      setSaving(false)
+    }
+  }
+
   if (loading) return <PageLayout title="我的画像"><LoadingState /></PageLayout>
   if (error) return <PageLayout title="我的画像"><ErrorState message={error} onRetry={load} /></PageLayout>
   if (!profile) return null
@@ -625,10 +661,18 @@ export function MyProfile() {
               const caseFacts = entries.filter(([k]) => !isProfileFact(k))
               return (
                 <>
-                  {/* 画像特征:直接展示(可编辑) */}
+                  {/* 画像特征:直接展示(可编辑/可增删) */}
                   {profileFacts.length > 0 && (
                     <div className="border-b pb-2">
-                      <p className="mb-1 text-xs text-muted-foreground">画像特征</p>
+                      <div className="mb-1 flex items-center justify-between">
+                        <p className="text-xs text-muted-foreground">画像特征</p>
+                        <button
+                          onClick={() => setAddingFact(true)}
+                          className="flex items-center gap-0.5 text-xs text-primary hover:text-primary/80"
+                        >
+                          <Plus className="h-3 w-3" />添加
+                        </button>
+                      </div>
                       <div className="grid grid-cols-2 gap-x-4 gap-y-1 sm:grid-cols-3">
                         {profileFacts.map(([k, v]) => (
                           <div key={k} className="group flex items-center justify-between text-xs">
@@ -642,12 +686,30 @@ export function MyProfile() {
                               >
                                 <Pencil className="h-3 w-3 text-muted-foreground hover:text-primary" />
                               </button>
+                              <button
+                                onClick={() => handleDeleteFact(k)}
+                                className="opacity-0 transition-opacity group-hover:opacity-100"
+                                aria-label={`删除${translateFactKey(k)}`}
+                              >
+                                <Trash2 className="h-3 w-3 text-muted-foreground hover:text-red-500" />
+                              </button>
                             </div>
                           </div>
                         ))}
                       </div>
                     </div>
                   )}
+                  {/* 无画像特征时也显示添加按钮 */}
+                  {profileFacts.length === 0 && (
+                    <div className="border-b pb-2">
+                      <button
+                        onClick={() => setAddingFact(true)}
+                        className="flex items-center gap-0.5 text-xs text-primary hover:text-primary/80"
+                      >
+                        <Plus className="h-3 w-3" />添加画像特征
+                      </button>
+                    </div>
+                  )}
                   {/* 个案事实:折叠展示 */}
                   {caseFacts.length > 0 && (
                     <div className="border-b pb-2">
@@ -778,6 +840,41 @@ export function MyProfile() {
           </DialogFooter>
         </DialogContent>
       </Dialog>
+
+      {/* 添加画像特征弹窗 */}
+      <Dialog open={addingFact} onOpenChange={setAddingFact}>
+        <DialogContent className="max-w-sm">
+          <DialogHeader>
+            <DialogTitle>添加画像特征</DialogTitle>
+            <DialogDescription>填写特征名称和值,保存后生效</DialogDescription>
+          </DialogHeader>
+          <div className="space-y-3">
+            <div>
+              <label className="mb-1 block text-xs text-muted-foreground">特征名称</label>
+              <Input
+                value={newFactKey}
+                onChange={(e) => setNewFactKey(e.target.value)}
+                placeholder="如:行业、公司规模、地区"
+              />
+            </div>
+            <div>
+              <label className="mb-1 block text-xs text-muted-foreground">特征值</label>
+              <Input
+                value={newFactValue}
+                onChange={(e) => setNewFactValue(e.target.value)}
+                placeholder="如:科技、小型、上海"
+                onKeyDown={(e) => e.key === 'Enter' && handleAddFact()}
+              />
+            </div>
+          </div>
+          <DialogFooter>
+            <Button variant="outline" onClick={() => setAddingFact(false)}>取消</Button>
+            <Button onClick={handleAddFact} disabled={saving || !newFactKey.trim() || !newFactValue.trim()}>
+              {saving ? '保存中...' : '添加'}
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
     </PageLayout>
   )
 }