feat: Introduce owner management functionality with a new frontend list component and supporting backend API.

backend/cmd/main.go

@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"time"
 
@@ -110,6 +111,8 @@ func startServer(cfg *config.Config) {
 	mux.HandleFunc("/api/db/owners", api.CORS(handleGetOwners))
 	mux.HandleFunc("/api/db/owners/stats", api.CORS(handleGetOwnerStats))
 	mux.HandleFunc("/api/db/owners/clear", api.CORS(handleClearOwners))
+	mux.HandleFunc("/api/db/owners/delete/", api.CORS(handleDeleteOwner))            // DELETE /api/db/owners/delete/{id}
+	mux.HandleFunc("/api/db/owners/batch-delete", api.CORS(handleBatchDeleteOwners)) // POST 批量删除
 	mux.HandleFunc("/api/db/owners/refetch-account-ids", api.CORS(api.HandleRefetchAccountIDs))
 	mux.HandleFunc("/api/upload/validate", api.CORS(api.HandleUploadValidate))
 
@@ -642,6 +645,72 @@ func handleClearOwners(w http.ResponseWriter, r *http.Request) {
 	api.Success(w, map[string]string{"message": "已清空"})
 }
 
+// handleDeleteOwner DELETE /api/db/owners/delete/{id} - 删除单个 owner
+func handleDeleteOwner(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodDelete && r.Method != http.MethodPost {
+		api.Error(w, http.StatusMethodNotAllowed, "仅支持 DELETE/POST")
+		return
+	}
+
+	if database.Instance == nil {
+		api.Error(w, http.StatusInternalServerError, "数据库未初始化")
+		return
+	}
+
+	// 从 URL 提取 ID: /api/db/owners/delete/{id}
+	path := strings.TrimPrefix(r.URL.Path, "/api/db/owners/delete/")
+	id, err := strconv.Atoi(path)
+	if err != nil {
+		api.Error(w, http.StatusBadRequest, "无效的 ID")
+		return
+	}
+
+	if err := database.Instance.DeleteTeamOwner(int64(id)); err != nil {
+		api.Error(w, http.StatusInternalServerError, fmt.Sprintf("删除失败: %v", err))
+		return
+	}
+
+	api.Success(w, map[string]string{"message": "已删除"})
+}
+
+// handleBatchDeleteOwners POST /api/db/owners/batch-delete - 批量删除 owners
+func handleBatchDeleteOwners(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		api.Error(w, http.StatusMethodNotAllowed, "仅支持 POST")
+		return
+	}
+
+	if database.Instance == nil {
+		api.Error(w, http.StatusInternalServerError, "数据库未初始化")
+		return
+	}
+
+	var req struct {
+		IDs []int `json:"ids"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		api.Error(w, http.StatusBadRequest, "请求格式错误")
+		return
+	}
+
+	if len(req.IDs) == 0 {
+		api.Error(w, http.StatusBadRequest, "请选择要删除的账号")
+		return
+	}
+
+	deleted := 0
+	for _, id := range req.IDs {
+		if err := database.Instance.DeleteTeamOwner(int64(id)); err == nil {
+			deleted++
+		}
+	}
+
+	api.Success(w, map[string]interface{}{
+		"message": fmt.Sprintf("已删除 %d 个账号", deleted),
+		"deleted": deleted,
+	})
+}
+
 // handleRegisterTest POST /api/register/test - 测试注册流程
 func handleRegisterTest(w http.ResponseWriter, r *http.Request) {
 	if r.Method != http.MethodPost {

frontend/src/components/upload/OwnerList.tsx

@@ -1,5 +1,5 @@
 import { useState, useEffect } from 'react'
-import { Users, Trash2, RefreshCw, ChevronLeft, ChevronRight, Key } from 'lucide-react'
+import { Users, Trash2, RefreshCw, ChevronLeft, ChevronRight, Key, CheckSquare, Square } from 'lucide-react'
 import { Card, CardHeader, CardTitle, CardContent, Button } from '../common'
 
 interface TeamOwner {
@@ -14,12 +14,16 @@ const statusColors: Record<string, string> = {
     valid: 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400',
     registered: 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400',
     pooled: 'bg-green-100 text-green-700 dark:bg-green-900/30 dark:text-green-400',
+    processing: 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400',
+    invalid: 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400',
 }
 
 const statusLabels: Record<string, string> = {
     valid: '有效',
     registered: '已注册',
     pooled: '已入库',
+    processing: 'processing',
+    invalid: '无效',
 }
 
 interface OwnerListProps {
@@ -32,6 +36,8 @@ export default function OwnerList({ onStatsChange }: OwnerListProps) {
     const [loading, setLoading] = useState(false)
     const [page, setPage] = useState(0)
     const [filter, setFilter] = useState<string>('')
+    const [selectedIds, setSelectedIds] = useState<Set<number>>(new Set())
+    const [deleting, setDeleting] = useState(false)
     const limit = 20
 
     const loadOwners = async () => {
@@ -60,16 +66,57 @@ export default function OwnerList({ onStatsChange }: OwnerListProps) {
 
     useEffect(() => {
         loadOwners()
+        // 清除选择
+        setSelectedIds(new Set())
     }, [page, filter])
 
+    // 单个删除
     const handleDelete = async (id: number) => {
         if (!confirm('确认删除此账号？')) return
         try {
-            await fetch(`/api/db/owners/${id}`, { method: 'DELETE' })
+            const res = await fetch(`/api/db/owners/delete/${id}`, { method: 'POST' })
-            loadOwners()
+            const data = await res.json()
-            onStatsChange?.()
+            if (data.code === 0) {
+                loadOwners()
+                onStatsChange?.()
+            } else {
+                alert(data.message || '删除失败')
+            }
         } catch (e) {
             console.error('Failed to delete:', e)
+            alert('删除失败')
+        }
+    }
+
+    // 批量删除
+    const handleBatchDelete = async () => {
+        if (selectedIds.size === 0) {
+            alert('请先选择要删除的账号')
+            return
+        }
+        if (!confirm(`确认删除选中的 ${selectedIds.size} 个账号？`)) return
+
+        setDeleting(true)
+        try {
+            const res = await fetch('/api/db/owners/batch-delete', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ ids: Array.from(selectedIds) }),
+            })
+            const data = await res.json()
+            if (data.code === 0) {
+                alert(data.data.message)
+                setSelectedIds(new Set())
+                loadOwners()
+                onStatsChange?.()
+            } else {
+                alert(data.message || '删除失败')
+            }
+        } catch (e) {
+            console.error('Failed to batch delete:', e)
+            alert('删除失败')
+        } finally {
+            setDeleting(false)
         }
     }
 
@@ -108,6 +155,27 @@ export default function OwnerList({ onStatsChange }: OwnerListProps) {
         }
     }
 
+    // 选择逻辑
+    const toggleSelect = (id: number) => {
+        const newSet = new Set(selectedIds)
+        if (newSet.has(id)) {
+            newSet.delete(id)
+        } else {
+            newSet.add(id)
+        }
+        setSelectedIds(newSet)
+    }
+
+    const toggleSelectAll = () => {
+        if (selectedIds.size === owners.length) {
+            setSelectedIds(new Set())
+        } else {
+            setSelectedIds(new Set(owners.map(o => o.id)))
+        }
+    }
+
+    const isAllSelected = owners.length > 0 && selectedIds.size === owners.length
+
     const totalPages = Math.ceil(total / limit)
 
     const formatTime = (ts: string) => {
@@ -144,6 +212,7 @@ export default function OwnerList({ onStatsChange }: OwnerListProps) {
                             <option value="valid">有效</option>
                             <option value="registered">已注册</option>
                             <option value="pooled">已入库</option>
+                            <option value="invalid">无效</option>
                         </select>
                         <Button variant="ghost" size="sm" onClick={loadOwners} icon={<RefreshCw className="h-4 w-4" />}>
                             刷新
@@ -158,6 +227,18 @@ export default function OwnerList({ onStatsChange }: OwnerListProps) {
                         >
                             {refetching ? '获取中...' : '重新获取ID'}
                         </Button>
+                        {selectedIds.size > 0 && (
+                            <Button
+                                variant="ghost"
+                                size="sm"
+                                onClick={handleBatchDelete}
+                                disabled={deleting}
+                                icon={<Trash2 className="h-4 w-4" />}
+                                className="text-orange-500 hover:text-orange-600"
+                            >
+                                {deleting ? '删除中...' : `删除选中 (${selectedIds.size})`}
+                            </Button>
+                        )}
                         <Button
                             variant="ghost"
                             size="sm"
@@ -175,6 +256,15 @@ export default function OwnerList({ onStatsChange }: OwnerListProps) {
                     <table className="w-full text-sm">
                         <thead className="bg-slate-50 dark:bg-slate-800 sticky top-0">
                             <tr>
+                                <th className="text-center p-3 w-10">
+                                    <button onClick={toggleSelectAll} className="hover:text-blue-500">
+                                        {isAllSelected ? (
+                                            <CheckSquare className="h-4 w-4 text-blue-500" />
+                                        ) : (
+                                            <Square className="h-4 w-4" />
+                                        )}
+                                    </button>
+                                </th>
                                 <th className="text-left p-3 font-medium text-slate-600 dark:text-slate-400">邮箱</th>
                                 <th className="text-left p-3 font-medium text-slate-600 dark:text-slate-400">Account ID</th>
                                 <th className="text-left p-3 font-medium text-slate-600 dark:text-slate-400">状态</th>
@@ -185,19 +275,28 @@ export default function OwnerList({ onStatsChange }: OwnerListProps) {
                         <tbody>
                             {loading ? (
                                 <tr>
-                                    <td colSpan={5} className="text-center py-8 text-slate-500">
+                                    <td colSpan={6} className="text-center py-8 text-slate-500">
                                         加载中...
                                     </td>
                                 </tr>
                             ) : owners.length === 0 ? (
                                 <tr>
-                                    <td colSpan={5} className="text-center py-8 text-slate-500">
+                                    <td colSpan={6} className="text-center py-8 text-slate-500">
                                         暂无数据
                                     </td>
                                 </tr>
                             ) : (
                                 owners.map((owner) => (
-                                    <tr key={owner.id} className="border-t border-slate-100 dark:border-slate-800 hover:bg-slate-50 dark:hover:bg-slate-800/50">
+                                    <tr key={owner.id} className={`border-t border-slate-100 dark:border-slate-800 hover:bg-slate-50 dark:hover:bg-slate-800/50 ${selectedIds.has(owner.id) ? 'bg-blue-50 dark:bg-blue-900/20' : ''}`}>
+                                        <td className="p-3 text-center">
+                                            <button onClick={() => toggleSelect(owner.id)} className="hover:text-blue-500">
+                                                {selectedIds.has(owner.id) ? (
+                                                    <CheckSquare className="h-4 w-4 text-blue-500" />
+                                                ) : (
+                                                    <Square className="h-4 w-4" />
+                                                )}
+                                            </button>
+                                        </td>
                                         <td className="p-3 text-slate-900 dark:text-slate-100">{owner.email}</td>
                                         <td className="p-3 font-mono text-xs text-slate-500">
                                             {owner.account_id ? `${owner.account_id.slice(0, 20)}...` : '-'}