新增斗鱼活动任务模块：绑定、宝典、鱼翅、积分、兑换等功能

- 新增 activity_client.py：封装斗鱼活动/兑换/充值/送礼接口
- 新增 cookie_utils.py：Cookie 解析与规范化工具
- 新增 douyu_service/douyu_runner：斗鱼任务服务层与批量执行器
- 新增 douyu 路由：任务类型查询、账号列表、配置管理、商品管理、批量任务、WebSocket 日志
- 新增 models/schemas：DouyuTask/DouyuConfig/DouyuGoodsSnapshot 模型，Account 扩展点数/鱼翅/绑定状态等字段
- 新增数据库迁移：斗鱼活动相关表与 accounts 字段补充
- 新增前端 DouyuTasksPage 任务操作台页面
- 兑换商品请求添加 sec-ch-ua 反检测头
- 兑换商品支持最多 8 次重试 + csrf_token 自动刷新
- 注册 douyu:task / douyu:config 权限点
- 侧边栏新增斗鱼分组与任务操作台菜单入口

web/frontend/src/api/douyu.ts

@@ -0,0 +1,25 @@
+import api from './client';
+import type {
+  DouyuConfig,
+  DouyuGoodsItem,
+  DouyuTaskAccountItem,
+  DouyuTaskBatchRequest,
+  DouyuTaskBatchResult,
+  DouyuTaskItem,
+  MessageResponse,
+} from './types';
+
+export const douyuApi = {
+  taskTypes: () => api.get<Record<string, string>, Record<string, string>>('/douyu/task-types'),
+  listAccounts: (params?: { search?: string }) =>
+    api.get<DouyuTaskAccountItem[], DouyuTaskAccountItem[]>('/douyu/accounts', { params }),
+  getConfig: () => api.get<DouyuConfig, DouyuConfig>('/douyu/config'),
+  updateConfig: (data: Partial<DouyuConfig>) => api.put<DouyuConfig, DouyuConfig>('/douyu/config', data),
+  listGoods: () => api.get<DouyuGoodsItem[], DouyuGoodsItem[]>('/douyu/goods'),
+  createTasks: (data: DouyuTaskBatchRequest) =>
+    api.post<DouyuTaskBatchResult, DouyuTaskBatchResult>('/douyu/tasks/batch', data),
+  listTasks: (batchId?: string) =>
+    api.get<DouyuTaskItem[], DouyuTaskItem[]>('/douyu/tasks', { params: batchId ? { batch_id: batchId } : {} }),
+  getTask: (taskId: number) => api.get<DouyuTaskItem, DouyuTaskItem>(`/douyu/tasks/${taskId}`),
+  stopBatch: (batchId: string) => api.post<MessageResponse, MessageResponse>(`/douyu/stop/${batchId}`),
+};

web/frontend/src/api/modules.ts

@@ -4,6 +4,7 @@ export { accountApi } from './accounts';
 export { appApi } from './app';
 export { authApi } from './auth';
 export { cookieApi } from './cookies';
+export { douyuApi } from './douyu';
 export { huyaApi } from './huya';
 export { loginApi } from './login';
 export { proxyApi } from './proxy';

web/frontend/src/api/types.ts

@@ -168,6 +168,78 @@ export interface CookieItem {
   account_password: string;
 }
 
+// ==================== Douyu Activity ====================
+
+export interface DouyuTaskAccountItem {
+  id: number;
+  username: string;
+  uid: string;
+  nickname: string;
+  tag: string;
+  points: number | null;
+  game_name: string;
+  game_channel: string;
+  gold_balance: number | null;
+  exchange_balance: number | null;
+  bind_status: string;
+  change_role_wait_time: number | null;
+  assigned_to: number | null;
+  assigned_username: string | null;
+}
+
+export interface DouyuConfig {
+  manual_id: string;
+  rid: string;
+  bind_act_alias: string;
+  confirm_act_alias: string;
+  legacy_act_alias: string;
+  room_id: string;
+  elite_amount: number;
+  gold_pay_type: number;
+  gift_id: string;
+  skin_id: string;
+  updated_at: string | null;
+}
+
+export interface DouyuTaskBatchRequest {
+  account_ids: number[];
+  task_type: string;
+  concurrency?: number;
+  payload?: Record<string, unknown>;
+}
+
+export interface DouyuTaskBatchResult {
+  batch_id: string;
+  count: number;
+  success: boolean;
+}
+
+export interface DouyuTaskItem {
+  id: number;
+  batch_id: string;
+  account_id: number;
+  account_username: string;
+  account_uid: string;
+  account_nickname: string;
+  task_type: string;
+  status: string;
+  message: string;
+  result: Record<string, unknown> | null;
+  created_by: number;
+  created_at: string | null;
+  finished_at: string | null;
+}
+
+export interface DouyuGoodsItem {
+  id: number;
+  commodity_id: string;
+  name: string;
+  score: number | null;
+  status: string;
+  raw: Record<string, unknown> | null;
+  updated_at: string | null;
+}
+
 // ==================== Huya ====================
 
 export interface HuyaAccountItem {