feat(agency): 达人管理添加操作菜单功能

操作下拉菜单包含：
- 添加/编辑备注：可为达人添加备注信息，列表中显示备注标签和内容
- 分配到项目：选择项目将达人分配进去
- 移除达人：确认后移除该达人（保留历史数据）

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/app/agency/creators/page.tsx

@@ -21,7 +21,11 @@ import {
   ChevronRight,
   PlusCircle,
   UserPlus,
-  AlertCircle
+  AlertCircle,
+  MessageSquareText,
+  Trash2,
+  FolderPlus,
+  X
 } from 'lucide-react'
 
 // 任务进度阶段
@@ -65,8 +69,17 @@ interface Creator {
   trend: 'up' | 'down' | 'stable'
   joinedAt: string
   tasks: CreatorTask[]
+  remark?: string // 备注
 }
 
+// 模拟项目列表（用于分配达人）
+const mockProjects = [
+  { id: 'proj-001', name: 'XX品牌618推广' },
+  { id: 'proj-002', name: '口红系列推广' },
+  { id: 'proj-003', name: 'XX运动品牌' },
+  { id: 'proj-004', name: '护肤品秋季活动' },
+]
+
 // 模拟达人列表
 const mockCreators: Creator[] = [
   {
@@ -158,6 +171,20 @@ export default function AgencyCreatorsPage() {
   const [creators, setCreators] = useState(mockCreators)
   const [copiedId, setCopiedId] = useState<string | null>(null)
 
+  // 操作菜单状态
+  const [openMenuId, setOpenMenuId] = useState<string | null>(null)
+
+  // 备注弹窗状态
+  const [remarkModal, setRemarkModal] = useState<{ open: boolean; creator: Creator | null }>({ open: false, creator: null })
+  const [remarkText, setRemarkText] = useState('')
+
+  // 删除确认弹窗状态
+  const [deleteModal, setDeleteModal] = useState<{ open: boolean; creator: Creator | null }>({ open: false, creator: null })
+
+  // 分配项目弹窗状态
+  const [assignModal, setAssignModal] = useState<{ open: boolean; creator: Creator | null }>({ open: false, creator: null })
+  const [selectedProject, setSelectedProject] = useState('')
+
   const filteredCreators = creators.filter(creator =>
     creator.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
     creator.creatorId.toLowerCase().includes(searchQuery.toLowerCase())
@@ -227,6 +254,55 @@ export default function AgencyCreatorsPage() {
     setInviteResult(null)
   }
 
+  // 打开备注弹窗
+  const handleOpenRemark = (creator: Creator) => {
+    setRemarkText(creator.remark || '')
+    setRemarkModal({ open: true, creator })
+    setOpenMenuId(null)
+  }
+
+  // 保存备注
+  const handleSaveRemark = () => {
+    if (remarkModal.creator) {
+      setCreators(prev => prev.map(c =>
+        c.id === remarkModal.creator!.id ? { ...c, remark: remarkText } : c
+      ))
+    }
+    setRemarkModal({ open: false, creator: null })
+    setRemarkText('')
+  }
+
+  // 打开删除确认
+  const handleOpenDelete = (creator: Creator) => {
+    setDeleteModal({ open: true, creator })
+    setOpenMenuId(null)
+  }
+
+  // 确认删除
+  const handleConfirmDelete = () => {
+    if (deleteModal.creator) {
+      setCreators(prev => prev.filter(c => c.id !== deleteModal.creator!.id))
+    }
+    setDeleteModal({ open: false, creator: null })
+  }
+
+  // 打开分配项目弹窗
+  const handleOpenAssign = (creator: Creator) => {
+    setSelectedProject('')
+    setAssignModal({ open: true, creator })
+    setOpenMenuId(null)
+  }
+
+  // 确认分配项目
+  const handleConfirmAssign = () => {
+    if (assignModal.creator && selectedProject) {
+      const project = mockProjects.find(p => p.id === selectedProject)
+      alert(`已将达人「${assignModal.creator.name}」分配到项目「${project?.name}」`)
+    }
+    setAssignModal({ open: false, creator: null })
+    setSelectedProject('')
+  }
+
   return (
     <div className="space-y-6">
       {/* 页面标题 */}
@@ -355,7 +431,17 @@ export default function AgencyCreatorsPage() {
                             <span className="text-white font-medium">{creator.avatar}</span>
                           </div>
                           <div>
-                            <div className="font-medium text-text-primary">{creator.name}</div>
+                            <div className="flex items-center gap-2">
+                              <span className="font-medium text-text-primary">{creator.name}</span>
+                              {creator.remark && (
+                                <span className="px-2 py-0.5 text-xs rounded bg-accent-amber/15 text-accent-amber" title={creator.remark}>
+                                  有备注
+                                </span>
+                              )}
+                            </div>
+                            {creator.remark && (
+                              <p className="text-xs text-text-tertiary mt-0.5 line-clamp-1">{creator.remark}</p>
+                            )}
                             {hasActiveTasks && (
                               <button
                                 type="button"
@@ -423,9 +509,44 @@ export default function AgencyCreatorsPage() {
                       </td>
                       <td className="px-6 py-4 text-sm text-text-tertiary">{creator.joinedAt}</td>
                       <td className="px-6 py-4">
-                        <Button variant="ghost" size="sm">
-                          <MoreVertical size={16} />
-                        </Button>
+                        <div className="relative">
+                          <Button
+                            variant="ghost"
+                            size="sm"
+                            onClick={() => setOpenMenuId(openMenuId === creator.id ? null : creator.id)}
+                          >
+                            <MoreVertical size={16} />
+                          </Button>
+                          {/* 下拉菜单 */}
+                          {openMenuId === creator.id && (
+                            <div className="absolute right-0 top-full mt-1 w-40 bg-bg-card rounded-xl shadow-lg border border-border-subtle z-10 overflow-hidden">
+                              <button
+                                type="button"
+                                onClick={() => handleOpenRemark(creator)}
+                                className="w-full px-4 py-2.5 text-left text-sm text-text-primary hover:bg-bg-elevated flex items-center gap-2"
+                              >
+                                <MessageSquareText size={14} className="text-text-secondary" />
+                                {creator.remark ? '编辑备注' : '添加备注'}
+                              </button>
+                              <button
+                                type="button"
+                                onClick={() => handleOpenAssign(creator)}
+                                className="w-full px-4 py-2.5 text-left text-sm text-text-primary hover:bg-bg-elevated flex items-center gap-2"
+                              >
+                                <FolderPlus size={14} className="text-text-secondary" />
+                                分配到项目
+                              </button>
+                              <button
+                                type="button"
+                                onClick={() => handleOpenDelete(creator)}
+                                className="w-full px-4 py-2.5 text-left text-sm text-accent-coral hover:bg-accent-coral/10 flex items-center gap-2"
+                              >
+                                <Trash2 size={14} />
+                                移除达人
+                              </button>
+                            </div>
+                          )}
+                        </div>
                       </td>
                     </tr>
                     {/* 展开的任务列表 */}
@@ -542,6 +663,123 @@ export default function AgencyCreatorsPage() {
           </div>
         </div>
       </Modal>
+
+      {/* 备注弹窗 */}
+      <Modal
+        isOpen={remarkModal.open}
+        onClose={() => { setRemarkModal({ open: false, creator: null }); setRemarkText(''); }}
+        title={`${remarkModal.creator?.remark ? '编辑' : '添加'}备注 - ${remarkModal.creator?.name}`}
+      >
+        <div className="space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-text-primary mb-2">备注内容</label>
+            <textarea
+              value={remarkText}
+              onChange={(e) => setRemarkText(e.target.value)}
+              placeholder="输入备注信息，如达人特点、合作注意事项等..."
+              className="w-full h-32 px-4 py-3 border border-border-subtle rounded-xl bg-bg-elevated text-text-primary placeholder-text-tertiary resize-none focus:outline-none focus:ring-2 focus:ring-accent-indigo"
+            />
+          </div>
+          <div className="flex gap-3 justify-end">
+            <Button variant="ghost" onClick={() => { setRemarkModal({ open: false, creator: null }); setRemarkText(''); }}>
+              取消
+            </Button>
+            <Button onClick={handleSaveRemark}>
+              <CheckCircle size={16} />
+              保存
+            </Button>
+          </div>
+        </div>
+      </Modal>
+
+      {/* 删除确认弹窗 */}
+      <Modal
+        isOpen={deleteModal.open}
+        onClose={() => setDeleteModal({ open: false, creator: null })}
+        title="确认移除达人"
+      >
+        <div className="space-y-4">
+          <div className="p-4 rounded-xl bg-accent-coral/10 border border-accent-coral/20">
+            <div className="flex items-start gap-3">
+              <AlertCircle size={20} className="text-accent-coral flex-shrink-0 mt-0.5" />
+              <div>
+                <p className="text-text-primary font-medium">确定要移除达人「{deleteModal.creator?.name}」吗？</p>
+                <p className="text-sm text-text-secondary mt-1">
+                  移除后该达人将无法继续参与您的项目，但不会删除历史数据。
+                </p>
+              </div>
+            </div>
+          </div>
+          <div className="flex gap-3 justify-end">
+            <Button variant="ghost" onClick={() => setDeleteModal({ open: false, creator: null })}>
+              取消
+            </Button>
+            <Button
+              variant="secondary"
+              className="border-accent-coral text-accent-coral hover:bg-accent-coral/10"
+              onClick={handleConfirmDelete}
+            >
+              <Trash2 size={16} />
+              确认移除
+            </Button>
+          </div>
+        </div>
+      </Modal>
+
+      {/* 分配项目弹窗 */}
+      <Modal
+        isOpen={assignModal.open}
+        onClose={() => { setAssignModal({ open: false, creator: null }); setSelectedProject(''); }}
+        title={`分配达人到项目 - ${assignModal.creator?.name}`}
+      >
+        <div className="space-y-4">
+          <p className="text-text-secondary text-sm">
+            选择要将达人分配到的项目，达人将收到项目邀请通知。
+          </p>
+          <div>
+            <label className="block text-sm font-medium text-text-primary mb-2">选择项目</label>
+            <div className="space-y-2">
+              {mockProjects.map((project) => (
+                <label
+                  key={project.id}
+                  className={`flex items-center gap-3 p-4 rounded-xl border cursor-pointer transition-colors ${
+                    selectedProject === project.id
+                      ? 'border-accent-indigo bg-accent-indigo/10'
+                      : 'border-border-subtle hover:border-accent-indigo/50'
+                  }`}
+                >
+                  <input
+                    type="radio"
+                    name="project"
+                    value={project.id}
+                    checked={selectedProject === project.id}
+                    onChange={(e) => setSelectedProject(e.target.value)}
+                    className="w-4 h-4 text-accent-indigo"
+                  />
+                  <span className="text-text-primary">{project.name}</span>
+                </label>
+              ))}
+            </div>
+          </div>
+          <div className="flex gap-3 justify-end pt-2">
+            <Button variant="ghost" onClick={() => { setAssignModal({ open: false, creator: null }); setSelectedProject(''); }}>
+              取消
+            </Button>
+            <Button onClick={handleConfirmAssign} disabled={!selectedProject}>
+              <FolderPlus size={16} />
+              确认分配
+            </Button>
+          </div>
+        </div>
+      </Modal>
+
+      {/* 点击其他地方关闭菜单 */}
+      {openMenuId && (
+        <div
+          className="fixed inset-0 z-0"
+          onClick={() => setOpenMenuId(null)}
+        />
+      )}
     </div>
   )
 }