feat: i18n 翻译覆盖 + DB 动态数据 + 模型选择器 API

backend/src/modules/admin/admin.module.ts

@@ -8,13 +8,14 @@ import { AnalyticsController } from './analytics.controller';
 import { SettingsController } from './settings.controller';
 import { OperationsController } from './operations.controller';
 import { UsersController } from './users.controller';
+import { PublicController } from './public.controller';
 import { CoursesModule } from '../courses/courses.module';
 import { AuthModule } from '../auth/auth.module';
 import { AIModule } from '../ai/ai.module';
 
 @Module({
   imports: [CoursesModule, AuthModule, AIModule],
-  controllers: [AdminController, AnalyticsController, SettingsController, OperationsController, UsersController],
+  controllers: [AdminController, AnalyticsController, SettingsController, OperationsController, UsersController, PublicController],
   providers: [AdminService, AdminGuard, AdminAiAssistantService],
   exports: [AdminService],
 })

backend/src/modules/admin/ai-assistant.service.ts

@@ -1,4 +1,5 @@
 import { Injectable } from '@nestjs/common';
+import * as bcrypt from 'bcryptjs';
 import { PrismaService } from '../../prisma/prisma.service';
 
 export interface ToolDefinition {
@@ -25,44 +26,45 @@ export class AdminAiAssistantService {
     private prisma: PrismaService,
   ) {}
 
-  getAvailableTools(): ToolDefinition[] {
+  private crudTools(): ToolDefinition[] {
     return [
       {
         name: 'navigate',
         description: '跳转到管理后台的某个页面',
-        parameters: {
+        parameters: { path: { type: 'string', description: '页面路径，如 /admin/users、/admin/orders、/admin/analytics、/admin/enterprise、/admin/operations/banners、/admin/operations/notifications、/admin/settings/roles、/admin/settings/config、/admin/comments、/admin/courses、/admin/prompts、/admin/contents、/admin/tools' } },
-          path: { type: 'string', description: '页面路径，如 /admin/users、/admin/orders、/admin/analytics、/admin/enterprise、/admin/operations/banners、/admin/operations/notifications、/admin/settings/roles、/admin/settings/config、/admin/comments、/admin/courses、/admin/prompts、/admin/contents、/admin/tools' },
-        },
       },
       {
         name: 'get-dashboard',
         description: '获取仪表盘概览数据（用户数、课程数、内容数、提示词数、订单数）',
         parameters: {},
       },
+      // ---- 用户管理 ----
       {
         name: 'list-users',
         description: '列出用户，可按关键词搜索',
-        parameters: {
+        parameters: { search: { type: 'string', description: '搜索关键词（可选）' }, page: { type: 'number', description: '页码（可选）' }, pageSize: { type: 'number', description: '每页数量（可选）' } },
-          search: { type: 'string', description: '搜索关键词（可选）' },
-          page: { type: 'number', description: '页码（可选，默认1）' },
-          pageSize: { type: 'number', description: '每页数量（可选，默认20）' },
-        },
       },
       {
         name: 'get-user',
-        description: '查看某个用户的详细信息',
+        description: '查看用户详情（包含最近订单）',
-        parameters: {
+        parameters: { id: { type: 'number', description: '用户ID' } },
-          id: { type: 'number', description: '用户ID' },
-        },
       },
       {
         name: 'update-user-status',
-        description: '修改用户状态（启用/禁用/封禁）',
+        description: '修改用户状态',
-        parameters: {
+        parameters: { id: { type: 'number', description: '用户ID' }, status: { type: 'string', enum: ['ACTIVE', 'INACTIVE', 'BANNED'], description: '新状态' } },
-          id: { type: 'number', description: '用户ID' },
-          status: { type: 'string', enum: ['ACTIVE', 'INACTIVE', 'BANNED'], description: '新状态' },
-        },
       },
+      {
+        name: 'update-user',
+        description: '修改用户信息（昵称、手机号、邮箱、状态等）',
+        parameters: { id: { type: 'number', description: '用户ID' }, nickname: { type: 'string', description: '新昵称（可选）' }, phone: { type: 'string', description: '新手机号（可选）' }, email: { type: 'string', description: '新邮箱（可选）' }, status: { type: 'string', enum: ['ACTIVE', 'INACTIVE', 'BANNED'], description: '新状态（可选）' }, memberPlan: { type: 'string', enum: ['FREE', 'MONTHLY', 'YEARLY'], description: '会员计划（可选）' }, sandboxDaily: { type: 'number', description: '每日沙盒次数（可选）' } },
+      },
+      {
+        name: 'delete-user',
+        description: '软删除一个用户',
+        parameters: { id: { type: 'number', description: '用户ID' } },
+      },
+      // ---- 订单 ----
       {
         name: 'list-orders',
         description: '查看最近订单列表',
@@ -73,82 +75,169 @@ export class AdminAiAssistantService {
         description: '获取数据分析概览（用户增长、收入、趋势）',
         parameters: {},
       },
+      // ---- 评论审核 ----
       {
         name: 'list-comments',
         description: '查看评论列表，可按状态筛选',
-        parameters: {
+        parameters: { status: { type: 'string', enum: ['PENDING_REVIEW', 'PUBLISHED', 'REJECTED'], description: '评论状态（可选）' } },
-          status: { type: 'string', enum: ['PENDING_REVIEW', 'PUBLISHED', 'REJECTED'], description: '评论状态（可选）' },
-        },
       },
       {
-        name: 'approve-comment',
+        name: 'approve-comment', description: '通过一条待审核评论', parameters: { id: { type: 'number', description: '评论ID' } },
-        description: '通过一条待审核评论',
-        parameters: {
-          id: { type: 'number', description: '评论ID' },
-        },
       },
       {
-        name: 'reject-comment',
+        name: 'reject-comment', description: '拒绝一条评论', parameters: { id: { type: 'number', description: '评论ID' }, reason: { type: 'string', description: '拒绝原因（可选）' } },
-        description: '拒绝一条评论并给出原因',
+      },
-        parameters: {
+      // ---- 课程管理 ----
-          id: { type: 'number', description: '评论ID' },
+      {
-          reason: { type: 'string', description: '拒绝原因（可选）' },
+        name: 'list-courses', description: '查看所有课程', parameters: {},
-        },
       },
       {
-        name: 'list-banners',
+        name: 'get-course', description: '查看课程详情', parameters: { id: { type: 'number', description: '课程ID' } },
-        description: '查看所有Banner列表',
-        parameters: {},
       },
       {
-        name: 'list-notifications',
+        name: 'create-course', description: '创建新课程（title 必填，其他可选）',
-        description: '查看所有系统通知',
+        parameters: { title: { type: 'string', description: '课程标题（必填）' }, description: { type: 'string', description: '课程描述' }, price: { type: 'number', description: '价格（默认0）' }, isFree: { type: 'boolean', description: '是否免费（默认true）' }, status: { type: 'string', enum: ['DRAFT', 'PUBLISHED', 'ARCHIVED'], description: '状态（可选）' } },
-        parameters: {},
       },
       {
-        name: 'list-config',
+        name: 'update-course', description: '修改课程信息',
-        description: '查看系统配置项',
+        parameters: { id: { type: 'number', description: '课程ID' }, title: { type: 'string', description: '新标题' }, description: { type: 'string', description: '新描述' }, price: { type: 'number', description: '新价格' }, isFree: { type: 'boolean', description: '是否免费' }, status: { type: 'string', enum: ['DRAFT', 'PUBLISHED', 'ARCHIVED'], description: '新状态' } },
-        parameters: {},
       },
       {
-        name: 'list-roles',
+        name: 'delete-course', description: '软删除一个课程', parameters: { id: { type: 'number', description: '课程ID' } },
-        description: '查看所有管理角色',
-        parameters: {},
       },
       {
-        name: 'list-admins',
+        name: 'toggle-course-status', description: '上架/下架一个课程（自动切换）', parameters: { id: { type: 'number', description: '课程ID' } },
-        description: '查看所有管理员账号',
+      },
-        parameters: {},
+      // ---- 内容管理 ----
+      {
+        name: 'list-contents', description: '查看所有内容', parameters: {},
       },
       {
-        name: 'toggle-course-status',
+        name: 'create-content', description: '创建内容',
-        description: '上架或下架一个课程',
+        parameters: { title: { type: 'string', description: '标题（必填）' }, summary: { type: 'string', description: '摘要' }, content: { type: 'string', description: '正文' }, tags: { type: 'string', description: '标签（逗号分隔）' }, status: { type: 'string', enum: ['DRAFT', 'PUBLISHED', 'ARCHIVED'], description: '状态' } },
-        parameters: {
-          id: { type: 'number', description: '课程ID' },
-        },
       },
       {
-        name: 'toggle-content-status',
+        name: 'update-content', description: '修改内容',
-        description: '上架或下架一个内容',
+        parameters: { id: { type: 'number', description: '内容ID' }, title: { type: 'string', description: '新标题' }, summary: { type: 'string', description: '新摘要' }, content: { type: 'string', description: '新正文' }, tags: { type: 'string', description: '新标签' }, status: { type: 'string', enum: ['DRAFT', 'PUBLISHED', 'ARCHIVED'], description: '新状态' } },
-        parameters: {
-          id: { type: 'number', description: '内容ID' },
-        },
       },
       {
-        name: 'toggle-prompt-status',
+        name: 'delete-content', description: '软删除一个内容', parameters: { id: { type: 'number', description: '内容ID' } },
-        description: '上架或下架一个提示词',
-        parameters: {
-          id: { type: 'number', description: '提示词ID' },
-        },
       },
       {
-        name: 'get-enterprise-orgs',
+        name: 'toggle-content-status', description: '上架/下架一个内容', parameters: { id: { type: 'number', description: '内容ID' } },
-        description: '查看所有企业版组织',
+      },
-        parameters: {},
+      // ---- 提示词 ----
+      {
+        name: 'list-prompts', description: '查看所有提示词', parameters: {},
+      },
+      {
+        name: 'create-prompt', description: '创建提示词',
+        parameters: { title: { type: 'string', description: '标题（必填）' }, content: { type: 'string', description: '提示词内容（必填）' }, description: { type: 'string', description: '描述' }, tags: { type: 'string', description: '标签' }, status: { type: 'string', enum: ['DRAFT', 'PUBLISHED', 'ARCHIVED'], description: '状态' } },
+      },
+      {
+        name: 'update-prompt', description: '修改提示词',
+        parameters: { id: { type: 'number', description: '提示词ID' }, title: { type: 'string', description: '新标题' }, content: { type: 'string', description: '新内容' }, description: { type: 'string', description: '新描述' }, tags: { type: 'string', description: '新标签' }, status: { type: 'string', enum: ['DRAFT', 'PUBLISHED', 'ARCHIVED'], description: '新状态' } },
+      },
+      {
+        name: 'delete-prompt', description: '软删除一个提示词', parameters: { id: { type: 'number', description: '提示词ID' } },
+      },
+      {
+        name: 'toggle-prompt-status', description: '上架/下架一个提示词', parameters: { id: { type: 'number', description: '提示词ID' } },
+      },
+      // ---- Banner ----
+      {
+        name: 'list-banners', description: '查看所有Banner', parameters: {},
+      },
+      {
+        name: 'create-banner', description: '创建Banner',
+        parameters: { title: { type: 'string', description: '标题（必填）' }, image: { type: 'string', description: '图片URL（必填）' }, link: { type: 'string', description: '跳转链接' }, position: { type: 'string', description: '位置（默认home）' }, sortOrder: { type: 'number', description: '排序（可选）' } },
+      },
+      {
+        name: 'update-banner', description: '修改Banner',
+        parameters: { id: { type: 'number', description: 'BannerID' }, title: { type: 'string', description: '新标题' }, image: { type: 'string', description: '新图片URL' }, link: { type: 'string', description: '新链接' }, sortOrder: { type: 'number', description: '新排序' } },
+      },
+      {
+        name: 'delete-banner', description: '删除一个Banner', parameters: { id: { type: 'number', description: 'BannerID' } },
+      },
+      // ---- 通知 ----
+      {
+        name: 'list-notifications', description: '查看系统通知', parameters: {},
+      },
+      {
+        name: 'create-notification', description: '创建系统通知（发送给所有用户或指定用户）',
+        parameters: { title: { type: 'string', description: '通知标题（必填）' }, content: { type: 'string', description: '通知内容（可选）' }, link: { type: 'string', description: '跳转链接（可选）' }, userId: { type: 'number', description: '指定用户ID，不填则发全体通知（可选）' } },
+      },
+      {
+        name: 'delete-notification', description: '删除一条通知', parameters: { id: { type: 'number', description: '通知ID' } },
+      },
+      // ---- 配置 ----
+      {
+        name: 'list-config', description: '查看系统配置', parameters: {},
+      },
+      {
+        name: 'update-config', description: '修改系统配置值',
+        parameters: { key: { type: 'string', description: '配置键（必填）' }, value: { type: 'string', description: '新值（必填）' }, category: { type: 'string', description: '分类（可选）' }, description: { type: 'string', description: '描述（可选）' } },
+      },
+      // ---- 角色权限 ----
+      {
+        name: 'list-roles', description: '查看所有管理角色', parameters: {},
+      },
+      {
+        name: 'create-role', description: '创建管理角色',
+        parameters: { name: { type: 'string', description: '角色名称（必填）' }, description: { type: 'string', description: '角色描述' }, permissions: { type: 'array', description: '权限列表，如["dashboard","users","courses"]（可选）' } },
+      },
+      {
+        name: 'update-role', description: '修改角色',
+        parameters: { id: { type: 'string', description: '角色ID' }, name: { type: 'string', description: '新名称' }, description: { type: 'string', description: '新描述' }, permissions: { type: 'array', description: '新权限列表' } },
+      },
+      {
+        name: 'delete-role', description: '禁用一个角色', parameters: { id: { type: 'string', description: '角色ID' } },
+      },
+      // ---- 管理员 ----
+      {
+        name: 'list-admins', description: '查看所有管理员', parameters: {},
+      },
+      {
+        name: 'create-admin', description: '创建管理员账号',
+        parameters: { username: { type: 'string', description: '用户名（必填）' }, password: { type: 'string', description: '密码（必填）' }, nickname: { type: 'string', description: '昵称（可选）' }, roleId: { type: 'string', description: '角色ID（可选）' } },
+      },
+      {
+        name: 'update-admin', description: '修改管理员信息',
+        parameters: { id: { type: 'number', description: '管理员ID' }, nickname: { type: 'string', description: '新昵称' }, roleId: { type: 'string', description: '新角色ID' }, password: { type: 'string', description: '新密码' } },
+      },
+      {
+        name: 'delete-admin', description: '禁用一个管理员账号', parameters: { id: { type: 'number', description: '管理员ID' } },
+      },
+      // ---- 企业版 ----
+      {
+        name: 'get-enterprise-orgs', description: '查看所有企业组织', parameters: {},
+      },
+      {
+        name: 'create-organization', description: '创建企业组织',
+        parameters: { name: { type: 'string', description: '组织名称（必填）' }, description: { type: 'string', description: '描述' }, contactName: { type: 'string', description: '联系人' }, contactPhone: { type: 'string', description: '联系电话' } },
+      },
+      {
+        name: 'update-organization', description: '修改企业组织信息',
+        parameters: { id: { type: 'number', description: '组织ID' }, name: { type: 'string', description: '新名称' }, description: { type: 'string', description: '新描述' }, contactName: { type: 'string', description: '新联系人' }, contactPhone: { type: 'string', description: '新电话' } },
+      },
+      {
+        name: 'delete-organization', description: '删除一个企业组织', parameters: { id: { type: 'number', description: '组织ID' } },
+      },
+      {
+        name: 'add-org-member', description: '向企业组织添加成员',
+        parameters: { organizationId: { type: 'number', description: '组织ID' }, userId: { type: 'number', description: '用户ID' }, role: { type: 'string', enum: ['ADMIN', 'MEMBER'], description: '角色（默认MEMBER）' } },
+      },
+      {
+        name: 'remove-org-member', description: '从企业组织移除成员',
+        parameters: { organizationId: { type: 'number', description: '组织ID' }, userId: { type: 'number', description: '用户ID' } },
       },
     ];
   }
 
+  getAvailableTools(): ToolDefinition[] {
+    return this.crudTools();
+  }
+
   getToolsDescription(): string {
     return this.getAvailableTools().map(t => {
       const params = Object.entries(t.parameters)
@@ -299,6 +388,178 @@ export class AdminAiAssistantService {
           return { success: true, data: { items, total: items.length }, summary: `共 ${items.length} 个企业组织` };
         }
 
+        // ---- 用户 CRUD ----
+        case 'update-user': {
+          const { id, ...data } = call.params;
+          await this.prisma.user.update({ where: { id }, data });
+          return { success: true, data: { id }, summary: `用户 ${id} 已更新` };
+        }
+        case 'delete-user': {
+          await this.prisma.user.update({ where: { id: call.params.id }, data: { deletedAt: new Date() } });
+          return { success: true, data: { id: call.params.id }, summary: `用户 ${call.params.id} 已删除` };
+        }
+
+        // ---- 课程 CRUD ----
+        case 'list-courses': {
+          const items = await this.prisma.course.findMany({ where: { deletedAt: null }, take: 50, orderBy: { createdAt: 'desc' }, select: { id: true, title: true, price: true, isFree: true, status: true, createdAt: true } });
+          return { success: true, data: { items, total: items.length }, summary: `共 ${items.length} 个课程` };
+        }
+        case 'get-course': {
+          const item = await this.prisma.course.findUnique({ where: { id: call.params.id } });
+          if (!item) throw new Error('课程不存在');
+          return { success: true, data: item, summary: `课程: ${item.title}` };
+        }
+        case 'create-course': {
+          const created = await this.prisma.course.create({ data: { title: call.params.title, description: call.params.description || '', price: call.params.price ?? 0, isFree: call.params.isFree ?? true, status: call.params.status || 'DRAFT' } });
+          return { success: true, data: created, summary: `课程「${created.title}」已创建 (ID:${created.id})` };
+        }
+        case 'update-course': {
+          const { id: courseId, ...courseData } = call.params;
+          await this.prisma.course.update({ where: { id: courseId }, data: courseData });
+          return { success: true, data: { id: courseId }, summary: `课程 ${courseId} 已更新` };
+        }
+        case 'delete-course': {
+          await this.prisma.course.update({ where: { id: call.params.id }, data: { deletedAt: new Date() } });
+          return { success: true, data: { id: call.params.id }, summary: `课程 ${call.params.id} 已删除` };
+        }
+
+        // ---- 内容 CRUD ----
+        case 'list-contents': {
+          const items = await this.prisma.content.findMany({ where: { deletedAt: null }, take: 50, orderBy: { createdAt: 'desc' }, select: { id: true, title: true, status: true, contentType: true, createdAt: true } });
+          return { success: true, data: { items, total: items.length }, summary: `共 ${items.length} 个内容` };
+        }
+        case 'create-content': {
+          const created = await this.prisma.content.create({ data: { title: call.params.title, summary: call.params.summary || '', content: call.params.content || '', tags: call.params.tags || '', status: call.params.status || 'DRAFT' } });
+          return { success: true, data: created, summary: `内容「${created.title}」已创建 (ID:${created.id})` };
+        }
+        case 'update-content': {
+          const { id: contentId, ...contentData } = call.params;
+          await this.prisma.content.update({ where: { id: contentId }, data: contentData });
+          return { success: true, data: { id: contentId }, summary: `内容 ${contentId} 已更新` };
+        }
+        case 'delete-content': {
+          await this.prisma.content.update({ where: { id: call.params.id }, data: { deletedAt: new Date() } });
+          return { success: true, data: { id: call.params.id }, summary: `内容 ${call.params.id} 已删除` };
+        }
+
+        // ---- 提示词 CRUD ----
+        case 'list-prompts': {
+          const items = await this.prisma.prompt.findMany({ where: { deletedAt: null }, take: 50, orderBy: { createdAt: 'desc' }, select: { id: true, title: true, status: true, isPublic: true, createdAt: true } });
+          return { success: true, data: { items, total: items.length }, summary: `共 ${items.length} 个提示词` };
+        }
+        case 'create-prompt': {
+          const created = await this.prisma.prompt.create({ data: { title: call.params.title, content: call.params.content, description: call.params.description || '', tags: call.params.tags || '', status: call.params.status || 'PUBLISHED' } });
+          return { success: true, data: created, summary: `提示词「${created.title}」已创建 (ID:${created.id})` };
+        }
+        case 'update-prompt': {
+          const { id: promptId, ...promptData } = call.params;
+          await this.prisma.prompt.update({ where: { id: promptId }, data: promptData });
+          return { success: true, data: { id: promptId }, summary: `提示词 ${promptId} 已更新` };
+        }
+        case 'delete-prompt': {
+          await this.prisma.prompt.update({ where: { id: call.params.id }, data: { deletedAt: new Date() } });
+          return { success: true, data: { id: call.params.id }, summary: `提示词 ${call.params.id} 已删除` };
+        }
+
+        // ---- Banner CRUD ----
+        case 'create-banner': {
+          const created = await this.prisma.banner.create({ data: { title: call.params.title, image: call.params.image, link: call.params.link || '', position: call.params.position || 'home', sortOrder: call.params.sortOrder ?? 0 } });
+          return { success: true, data: created, summary: `Banner「${created.title}」已创建` };
+        }
+        case 'update-banner': {
+          const { id: bannerId, ...bannerData } = call.params;
+          await this.prisma.banner.update({ where: { id: bannerId }, data: bannerData });
+          return { success: true, data: { id: bannerId }, summary: `Banner ${bannerId} 已更新` };
+        }
+        case 'delete-banner': {
+          await this.prisma.banner.delete({ where: { id: call.params.id } });
+          return { success: true, data: { id: call.params.id }, summary: `Banner ${call.params.id} 已删除` };
+        }
+
+        // ---- 通知 ----
+        case 'create-notification': {
+          const { title: notifTitle, content: notifContent, link: notifLink, userId: notifUserId } = call.params;
+          if (notifUserId) {
+            await this.prisma.notification.create({ data: { userId: notifUserId, type: 'system', title: notifTitle, content: notifContent || '', link: notifLink || '' } });
+            return { success: true, data: {}, summary: `通知已发送给用户 ${notifUserId}` };
+          }
+          const users = await this.prisma.user.findMany({ where: { deletedAt: null }, select: { id: true } });
+          await this.prisma.notification.createMany({ data: users.map(u => ({ userId: u.id, type: 'system', title: notifTitle, content: notifContent || '', link: notifLink || '' })) });
+          return { success: true, data: { userCount: users.length }, summary: `通知已发送给 ${users.length} 个用户` };
+        }
+        case 'delete-notification': {
+          await this.prisma.notification.delete({ where: { id: call.params.id } });
+          return { success: true, data: { id: call.params.id }, summary: `通知 ${call.params.id} 已删除` };
+        }
+
+        // ---- 配置 ----
+        case 'update-config': {
+          const { key: cfgKey, value: cfgValue, category: cfgCategory, description: cfgDesc } = call.params;
+          const existing = await this.prisma.systemConfig.findUnique({ where: { key: cfgKey } });
+          if (existing) {
+            await this.prisma.systemConfig.update({ where: { key: cfgKey }, data: { value: cfgValue } });
+            return { success: true, data: { key: cfgKey }, summary: `配置 ${cfgKey} 已更新为 ${cfgValue}` };
+          }
+          await this.prisma.systemConfig.create({ data: { key: cfgKey, value: cfgValue, category: cfgCategory || 'general', description: cfgDesc || '' } });
+          return { success: true, data: { key: cfgKey }, summary: `配置 ${cfgKey} 已创建` };
+        }
+
+        // ---- 角色 CRUD ----
+        case 'create-role': {
+          const created = await this.prisma.adminRole.create({ data: { name: call.params.name, description: call.params.description || '', permissions: call.params.permissions || [] } });
+          return { success: true, data: created, summary: `角色「${created.name}」已创建 (ID:${created.id})` };
+        }
+        case 'update-role': {
+          const { id: roleId, ...roleData } = call.params;
+          if (roleData.permissions) roleData.permissions = JSON.stringify(roleData.permissions);
+          await this.prisma.adminRole.update({ where: { id: roleId }, data: roleData });
+          return { success: true, data: { id: roleId }, summary: `角色 ${roleId} 已更新` };
+        }
+        case 'delete-role': {
+          await this.prisma.adminRole.update({ where: { id: call.params.id }, data: { status: 'INACTIVE' } });
+          return { success: true, data: { id: call.params.id }, summary: `角色 ${call.params.id} 已禁用` };
+        }
+
+        // ---- 管理员 CRUD ----
+        case 'create-admin': {
+          const hash = await bcrypt.hash(call.params.password, 10);
+          const created = await this.prisma.adminUser.create({ data: { username: call.params.username, passwordHash: hash, nickname: call.params.nickname || call.params.username, roleId: call.params.roleId || null } });
+          return { success: true, data: { id: created.id }, summary: `管理员「${created.username}」已创建` };
+        }
+        case 'update-admin': {
+          const { id: adminId, password, ...adminData } = call.params;
+          if (password) adminData['passwordHash'] = await bcrypt.hash(password, 10);
+          await this.prisma.adminUser.update({ where: { id: adminId }, data: adminData as any });
+          return { success: true, data: { id: adminId }, summary: `管理员 ${adminId} 已更新` };
+        }
+        case 'delete-admin': {
+          await this.prisma.adminUser.update({ where: { id: call.params.id }, data: { status: 'INACTIVE' } });
+          return { success: true, data: { id: call.params.id }, summary: `管理员 ${call.params.id} 已禁用` };
+        }
+
+        // ---- 企业版 ----
+        case 'create-organization': {
+          const created = await this.prisma.organization.create({ data: { name: call.params.name, description: call.params.description || '', contactName: call.params.contactName || '', contactPhone: call.params.contactPhone || '' } });
+          return { success: true, data: created, summary: `组织「${created.name}」已创建` };
+        }
+        case 'update-organization': {
+          const { id: orgId, ...orgData } = call.params;
+          await this.prisma.organization.update({ where: { id: orgId }, data: orgData });
+          return { success: true, data: { id: orgId }, summary: `组织 ${orgId} 已更新` };
+        }
+        case 'delete-organization': {
+          await this.prisma.organization.update({ where: { id: call.params.id }, data: { status: 'INACTIVE' } });
+          return { success: true, data: { id: call.params.id }, summary: `组织 ${call.params.id} 已删除` };
+        }
+        case 'add-org-member': {
+          await this.prisma.organizationMember.create({ data: { organizationId: call.params.organizationId, userId: call.params.userId, role: call.params.role || 'MEMBER' } });
+          return { success: true, data: {}, summary: `用户 ${call.params.userId} 已加入组织 ${call.params.organizationId}` };
+        }
+        case 'remove-org-member': {
+          await this.prisma.organizationMember.delete({ where: { organizationId_userId: { organizationId: call.params.organizationId, userId: call.params.userId } } });
+          return { success: true, data: {}, summary: `用户 ${call.params.userId} 已从组织 ${call.params.organizationId} 移除` };
+        }
+
         default:
           throw new Error(`未知工具: ${call.tool}`);
       }

backend/src/modules/admin/public.controller.ts

@@ -0,0 +1,38 @@
+import { Controller, Get, Query } from '@nestjs/common';
+import { ApiTags } from '@nestjs/swagger';
+import { PrismaService } from '../../prisma/prisma.service';
+
+@ApiTags('Public')
+@Controller('public')
+export class PublicController {
+  constructor(private prisma: PrismaService) {}
+
+  @Get('banners')
+  async banners(@Query('position') position?: string) {
+    const now = new Date();
+    const where: any = {
+      status: { not: 'DRAFT' },
+      AND: [
+        { OR: [{ startAt: null }, { startAt: { lte: now } }] },
+        { OR: [{ endAt: null }, { endAt: { gte: now } }] },
+      ],
+    };
+    if (position) where.position = position;
+    const items = await this.prisma.banner.findMany({ where, orderBy: { sortOrder: 'asc' } });
+    return { items };
+  }
+
+  @Get('config')
+  async getConfig() {
+    const configs = await this.prisma.systemConfig.findMany({ where: { status: 'ACTIVE' } });
+    const result: Record<string, string> = {};
+    for (const c of configs) result[c.key] = c.value;
+    return result;
+  }
+
+  @Get('models')
+  async getModels() {
+    const items = await this.prisma.aiModel.findMany({ where: { status: 'ACTIVE' }, orderBy: { sortOrder: 'asc' } });
+    return { items: items.map(m => ({ id: m.id, name: m.name, provider: m.provider, description: m.description, capabilities: m.capabilities, pricing: m.pricing, isFree: m.isFree })) };
+  }
+}

frontend/src/app/auth/page.tsx

@@ -10,12 +10,14 @@ import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/com
 import { Skeleton } from '@/components/ui/skeleton';
 import { Tabs, TabsList, TabsTrigger, TabsContent } from '@/components/ui/tabs';
 import { useAuth } from '@/lib/auth-context';
+import { useT } from '@/i18n';
 import { API_BASE } from '@/lib/config';
 
 function AuthForm() {
   const searchParams = useSearchParams();
   const router = useRouter();
   const { login } = useAuth();
+  const t = useT();
   const [tab, setTab] = useState<'login' | 'register'>(() =>
     searchParams.get('tab') === 'register' ? 'register' : 'login'
   );
@@ -28,7 +30,7 @@ function AuthForm() {
   async function handleLogin(e: FormEvent) {
     e.preventDefault();
     setError('');
-    if (!loginForm.account || !loginForm.password) { setError('请填写账号和密码'); return; }
+    if (!loginForm.account || !loginForm.password) { setError(t.auth.fillAccountAndPassword); return; }
     setLoading(true);
     try {
       const res = await fetch(`${API_BASE}/auth/login`, {
@@ -36,9 +38,9 @@ function AuthForm() {
         body: JSON.stringify({ account: loginForm.account, password: loginForm.password }),
       });
       const data = await res.json();
-      if (!res.ok) throw new Error(data.message || '登录失败');
+      if (!res.ok) throw new Error(data.message || t.auth.loginFailed);
       login(data.accessToken, data.refreshToken);
-      toast.success('登录成功', { description: '欢迎回来！' });
+      toast.success(t.auth.loginSuccess);
       router.push('/');
     } catch (err: any) { setError(err.message); }
     finally { setLoading(false); }
@@ -48,10 +50,10 @@ function AuthForm() {
     e.preventDefault();
     setError('');
     const { phone, email, password, confirmPassword, nickname } = registerForm;
-    if (!phone && !email) { setError('请填写手机号或邮箱'); return; }
+    if (!phone && !email) { setError(t.auth.fillPhoneOrEmail); return; }
-    if (!password) { setError('请填写密码'); return; }
+    if (!password) { setError(t.auth.fillPassword); return; }
-    if (password.length < 6) { setError('密码至少 6 位'); return; }
+    if (password.length < 6) { setError(t.auth.passwordMinLength); return; }
-    if (password !== confirmPassword) { setError('两次密码不一致'); return; }
+    if (password !== confirmPassword) { setError(t.auth.passwordsNotMatch); return; }
     setLoading(true);
     try {
       const body: Record<string, string> = { password };
@@ -62,9 +64,9 @@ function AuthForm() {
         method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(body),
       });
       const data = await res.json();
-      if (!res.ok) throw new Error(data.message || '注册失败');
+      if (!res.ok) throw new Error(data.message || t.auth.registerFailed);
       login(data.accessToken, data.refreshToken);
-      toast.success('注册成功', { description: '欢迎加入宇之然！' });
+      toast.success(t.auth.registerSuccess);
       router.push('/');
     } catch (err: any) { setError(err.message); }
     finally { setLoading(false); }
@@ -77,16 +79,16 @@ function AuthForm() {
           <div className="mx-auto mb-3 w-12 h-12 bg-gradient-to-br from-brand-500 to-brand-700 rounded-2xl flex items-center justify-center">
             <span className="text-white font-bold text-lg">Y</span>
           </div>
-          <CardTitle className="text-xl">{tab === 'login' ? '欢迎回来' : '加入宇之然'}</CardTitle>
+          <CardTitle className="text-xl">{tab === 'login' ? t.auth.welcomeBack : t.auth.joinTitle}</CardTitle>
           <CardDescription>
-            {tab === 'login' ? '登录继续你的 AI 探索之旅' : '免费注册，开始探索 AI'}
+            {tab === 'login' ? t.auth.loginSubtitle : t.auth.registerSubtitle}
           </CardDescription>
         </CardHeader>
         <CardContent>
           <Tabs value={tab} onValueChange={(v) => { setTab(v as 'login' | 'register'); setError(''); }}>
             <TabsList className="w-full mb-6">
-              <TabsTrigger value="login" className="flex-1">登录</TabsTrigger>
+              <TabsTrigger value="login" className="flex-1">{t.auth.loginTitle}</TabsTrigger>
-              <TabsTrigger value="register" className="flex-1">注册</TabsTrigger>
+              <TabsTrigger value="register" className="flex-1">{t.auth.registerTitle}</TabsTrigger>
             </TabsList>
 
             {error && (
@@ -97,38 +99,38 @@ function AuthForm() {
 
             <TabsContent value="login">
               <form onSubmit={handleLogin} className="space-y-4">
-                <Input type="text" placeholder="手机号 / 邮箱" value={loginForm.account}
+                <Input type="text" placeholder={t.auth.accountPlaceholder} value={loginForm.account}
                   onChange={(e) => setLoginForm({ ...loginForm, account: e.target.value })} />
-                <Input type="password" placeholder="密码" value={loginForm.password}
+                <Input type="password" placeholder={t.auth.password} value={loginForm.password}
                   onChange={(e) => setLoginForm({ ...loginForm, password: e.target.value })} />
                 <Button type="submit" disabled={loading} className="w-full">
-                  {loading ? '登录中...' : '登录'}
+                  {loading ? t.auth.loggingIn : t.auth.loginTitle}
                 </Button>
               </form>
             </TabsContent>
 
             <TabsContent value="register">
               <form onSubmit={handleRegister} className="space-y-4">
-                <Input type="text" placeholder="手机号（选填）" value={registerForm.phone}
+                <Input type="text" placeholder={t.auth.phone} value={registerForm.phone}
                   onChange={(e) => setRegisterForm({ ...registerForm, phone: e.target.value })} />
-                <Input type="email" placeholder="邮箱（选填，与手机号至少填一项）" value={registerForm.email}
+                <Input type="email" placeholder="Email" value={registerForm.email}
                   onChange={(e) => setRegisterForm({ ...registerForm, email: e.target.value })} />
-                <Input type="text" placeholder="昵称（选填）" value={registerForm.nickname}
+                <Input type="text" placeholder={t.auth.nicknameOptional} value={registerForm.nickname}
                   onChange={(e) => setRegisterForm({ ...registerForm, nickname: e.target.value })} />
-                <Input type="password" placeholder="密码（至少 6 位）" value={registerForm.password}
+                <Input type="password" placeholder={t.auth.passwordHint} value={registerForm.password}
                   onChange={(e) => setRegisterForm({ ...registerForm, password: e.target.value })} />
-                <Input type="password" placeholder="确认密码" value={registerForm.confirmPassword}
+                <Input type="password" placeholder={t.auth.confirmPassword} value={registerForm.confirmPassword}
                   onChange={(e) => setRegisterForm({ ...registerForm, confirmPassword: e.target.value })} />
                 <Button type="submit" disabled={loading} className="w-full">
-                  {loading ? '注册中...' : '注册'}
+                  {loading ? t.auth.registering : t.auth.registerTitle}
                 </Button>
                 <p className="text-xs text-muted-foreground text-center leading-relaxed">
-                  注册即表示同意{' '}
+                  {t.auth.agreePrefix}{' '}
-                  <Link href="/terms" className="text-brand-600 hover:underline dark:text-brand-400">服务协议</Link>
+                  <Link href="/terms" className="text-brand-600 hover:underline dark:text-brand-400">{t.auth.termsOfService}</Link>
-                  {' '}和{' '}
+                  {' '}{' '}
-                  <Link href="/privacy" className="text-brand-600 hover:underline dark:text-brand-400">隐私政策</Link>
+                  <Link href="/privacy" className="text-brand-600 hover:underline dark:text-brand-400">{t.auth.privacyPolicy}</Link>
-                  {' '}和{' '}
+                  {' '}{' '}
-                  <Link href="/ai-agreement" className="text-brand-600 hover:underline dark:text-brand-400">AI 服务协议</Link>
+                  <Link href="/ai-agreement" className="text-brand-600 hover:underline dark:text-brand-400">{t.auth.aiAgreement}</Link>
                 </p>
               </form>
             </TabsContent>

frontend/src/app/community/page.tsx

@@ -7,28 +7,13 @@ import { apiFetch } from "../../lib/auth";
 import { useAuth } from "@/lib/auth-context";
 import { Avatar, AvatarFallback } from '@/components/ui/avatar';
 import { Skeleton } from '@/components/ui/skeleton';
+import { useT } from '@/i18n';
 
-interface Post {
+interface Post { id: number; title: string; content: string; tags?: string | null; viewCount: number; likeCount: number; commentCount: number; createdAt: string; user: { id: number; nickname: string; avatar: string | null }; comments?: Comment[] }
-  id: number;
+interface Comment { id: number; content: string; createdAt: string; user: { id: number; nickname: string; avatar: string | null } }
-  title: string;
-  content: string;
-  tags?: string | null;
-  viewCount: number;
-  likeCount: number;
-  commentCount: number;
-  createdAt: string;
-  user: { id: number; nickname: string; avatar: string | null };
-  comments?: Comment[];
-}
-
-interface Comment {
-  id: number;
-  content: string;
-  createdAt: string;
-  user: { id: number; nickname: string; avatar: string | null };
-}
 
 export default function CommunityPage() {
+  const t = useT();
   const router = useRouter();
   const [posts, setPosts] = useState<Post[]>([]);
   const [loading, setLoading] = useState(true);
@@ -45,9 +30,7 @@ export default function CommunityPage() {
     setLoading(true);
     try {
       const token = localStorage.getItem('token');
-      const url = activeTab === 'feed' && token
+      const url = activeTab === 'feed' && token ? '/community/feed' : '/community/posts';
-        ? '/community/feed'
-        : '/community/posts';
       const res = await apiFetch(url);
       const data = await res.json();
       setPosts(data.items || []);
@@ -66,10 +49,7 @@ export default function CommunityPage() {
       if (post.user?.id) {
         try {
           const res = await apiFetch(`/community/users/${post.user.id}/follow`);
-          if (res.ok) {
+          if (res.ok) { const d = await res.json(); if (d.followed) followed.add(post.user.id); }
-            const d = await res.json();
-            if (d.followed) followed.add(post.user.id);
-          }
         } catch (e) { console.error(e) }
       }
     }
@@ -81,37 +61,23 @@ export default function CommunityPage() {
     if (!title.trim() || !content.trim()) return;
     setSubmitting(true);
     try {
-      await apiFetch("/community/posts", {
+      await apiFetch("/community/posts", { method: "POST", body: JSON.stringify({ title, content, tags: tags || undefined }) });
-        method: "POST",
+      setTitle(""); setContent(""); setTags(""); setShowForm(false);
-        body: JSON.stringify({ title, content, tags: tags || undefined }),
-      });
-      setTitle(""); setContent(""); setTags("");
-      setShowForm(false);
       loadPosts();
     } catch (e) { console.error(e) }
     setSubmitting(false);
   }
 
   async function handleLike(postId: number) {
-    try {
+    try { await apiFetch(`/community/posts/${postId}/like`, { method: "POST" }); loadPosts(); } catch (e) { console.error(e) }
-      await apiFetch(`/community/posts/${postId}/like`, { method: "POST" });
-      loadPosts();
-    } catch (e) { console.error(e) }
   }
 
   async function handleFollow(userId: number) {
-    const token = localStorage.getItem('token');
+    const token = localStorage.getItem('token'); if (!token) return;
-    if (!token) return;
     try {
       const isFollowed = followedUsers.has(userId);
-      await apiFetch(`/community/users/${userId}/follow`, {
+      await apiFetch(`/community/users/${userId}/follow`, { method: isFollowed ? 'DELETE' : 'POST' });
-        method: isFollowed ? 'DELETE' : 'POST',
+      setFollowedUsers(prev => { const next = new Set(prev); isFollowed ? next.delete(userId) : next.add(userId); return next; });
-      });
-      setFollowedUsers(prev => {
-        const next = new Set(prev);
-        isFollowed ? next.delete(userId) : next.add(userId);
-        return next;
-      });
     } catch (e) { console.error(e) }
   }
 
@@ -125,12 +91,8 @@ export default function CommunityPage() {
       if (!comment.trim()) return;
       setSubmittingComment(true);
       try {
-        await apiFetch(`/community/posts/${post.id}/comments`, {
+        await apiFetch(`/community/posts/${post.id}/comments`, { method: "POST", body: JSON.stringify({ content: comment }) });
-          method: "POST",
+        setComment(""); loadPosts();
-          body: JSON.stringify({ content: comment }),
-        });
-        setComment("");
-        loadPosts();
       } catch (e) { console.error(e) }
       setSubmittingComment(false);
     }
@@ -149,12 +111,8 @@ export default function CommunityPage() {
           </Link>
           {isLoggedIn && (
             <button onClick={() => handleFollow(post.user.id)}
-              className={`ml-auto text-xs px-2 py-1 rounded transition-colors ${
+              className={`ml-auto text-xs px-2 py-1 rounded transition-colors ${followedUsers.has(post.user.id) ? 'bg-muted text-muted-foreground hover:bg-accent' : 'bg-brand-50 dark:bg-brand-900/30 text-brand-600 dark:text-brand-400 hover:bg-brand-100 dark:hover:bg-brand-900/50'}`}>
-                followedUsers.has(post.user.id)
+              {followedUsers.has(post.user.id) ? t.community.followed : t.community.follow}
-                  ? 'bg-muted text-muted-foreground hover:bg-accent'
-                  : 'bg-brand-50 dark:bg-brand-900/30 text-brand-600 dark:text-brand-400 hover:bg-brand-100 dark:hover:bg-brand-900/50'
-              }`}>
-              {followedUsers.has(post.user.id) ? '已关注' : '+ 关注'}
             </button>
           )}
         </div>
@@ -170,21 +128,15 @@ export default function CommunityPage() {
           </div>
         )}
         <div className="flex items-center gap-6 text-sm text-muted-foreground">
-          <button onClick={() => handleLike(post.id)} className="flex items-center gap-1 hover:text-brand-600 transition-colors">
+          <button onClick={() => handleLike(post.id)} className="flex items-center gap-1 hover:text-brand-600 transition-colors">❤️ {post.likeCount}</button>
-            ❤️ {post.likeCount}
+          <button onClick={() => setExpanded(!expanded)} className="hover:text-brand-600 transition-colors">💬 {post.commentCount}</button>
-          </button>
-          <button onClick={() => setExpanded(!expanded)} className="hover:text-brand-600 transition-colors">
-            💬 {post.commentCount}
-          </button>
           <span>👁 {post.viewCount}</span>
         </div>
         {expanded && (
           <div className="mt-4 pt-4 border-t border-border">
             {post.comments?.map((c: Comment) => (
               <div key={c.id} className="flex gap-3 mb-3">
-                <Avatar className="w-6 h-6">
+                <Avatar className="w-6 h-6"><AvatarFallback className="text-[10px]">{c.user.nickname?.[0] || "U"}</AvatarFallback></Avatar>
-                  <AvatarFallback className="text-[10px]">{c.user.nickname?.[0] || "U"}</AvatarFallback>
-                </Avatar>
                 <div className="flex-1">
                   <div className="text-xs text-muted-foreground mb-1">{c.user.nickname} · {new Date(c.createdAt).toLocaleDateString()}</div>
                   <p className="text-sm text-muted-foreground">{c.content}</p>
@@ -192,12 +144,11 @@ export default function CommunityPage() {
               </div>
             ))}
             <form onSubmit={handleComment} className="mt-3 flex gap-2">
-              <input value={comment} onChange={e => setComment(e.target.value)}
+              <input value={comment} onChange={e => setComment(e.target.value)} placeholder={t.community.commentPlaceholder}
-                placeholder="写下你的评论..."
                 className="flex-1 px-3 py-2 bg-background border border-input rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-ring" />
               <button type="submit" disabled={submittingComment}
                 className="px-4 py-2 bg-brand-600 text-white rounded-lg text-sm hover:bg-brand-700 disabled:opacity-50">
-                {submittingComment ? "发送中..." : "评论"}
+                {submittingComment ? t.community.sending : t.community.comment}
               </button>
             </form>
           </div>
@@ -206,57 +157,46 @@ export default function CommunityPage() {
     );
   }
 
-  if (loading) {
+  if (loading) return (
-    return (
+    <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
-      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
+      <Skeleton className="h-8 w-48 mb-6" /><Skeleton className="h-4 w-32 mb-8" />
-        <Skeleton className="h-8 w-48 mb-6" />
+      <Skeleton className="h-64 w-full mb-4" /><Skeleton className="h-4 w-full mb-2" /><Skeleton className="h-4 w-3/4" />
-        <Skeleton className="h-4 w-32 mb-8" />
+    </div>
-        <Skeleton className="h-64 w-full mb-4" />
+  );
-        <Skeleton className="h-4 w-full mb-2" />
-        <Skeleton className="h-4 w-3/4" />
-      </div>
-    );
-  }
 
   return (
     <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
       <div className="flex items-center justify-between mb-8">
         <div>
-          <h1 className="text-3xl font-bold text-foreground">社区</h1>
+          <h1 className="text-3xl font-bold text-foreground">{t.community.title}</h1>
-          <p className="mt-2 text-muted-foreground">与 AI 学习者交流心得，分享实战经验</p>
+          <p className="mt-2 text-muted-foreground">{t.community.desc}</p>
         </div>
         <button onClick={() => setShowForm(!showForm)}
           className="px-4 py-2 bg-brand-600 text-white rounded-lg text-sm font-medium hover:bg-brand-700 transition-colors">
-          {showForm ? "取消" : "+ 发帖"}
+          {showForm ? t.common.cancel : t.community.createPost}
         </button>
       </div>
 
       <div className="flex gap-1 mb-6 bg-muted rounded-lg p-1">
         <button onClick={() => setActiveTab('latest')}
-          className={`flex-1 py-2 text-sm font-medium rounded-md transition-colors ${
+          className={`flex-1 py-2 text-sm font-medium rounded-md transition-colors ${activeTab === 'latest' ? 'bg-card text-foreground shadow-sm' : 'text-muted-foreground hover:text-foreground'}`}>{t.community.latest}</button>
-            activeTab === 'latest' ? 'bg-card text-foreground shadow-sm' : 'text-muted-foreground hover:text-foreground'
-          }`}>最新</button>
         <button onClick={() => setActiveTab('feed')}
-          className={`flex-1 py-2 text-sm font-medium rounded-md transition-colors ${
+          className={`flex-1 py-2 text-sm font-medium rounded-md transition-colors ${activeTab === 'feed' ? 'bg-card text-foreground shadow-sm' : 'text-muted-foreground hover:text-foreground'}`}>{t.community.following}</button>
-            activeTab === 'feed' ? 'bg-card text-foreground shadow-sm' : 'text-muted-foreground hover:text-foreground'
-          }`}>关注</button>
       </div>
 
       {showForm && (
         <form onSubmit={handleCreate} className="bg-card rounded-xl border border-border p-6 mb-6">
-          <h3 className="text-lg font-semibold text-foreground mb-4">发布新帖</h3>
+          <h3 className="text-lg font-semibold text-foreground mb-4">{t.community.newPost}</h3>
-          <input value={title} onChange={e => setTitle(e.target.value)} placeholder="标题"
+          <input value={title} onChange={e => setTitle(e.target.value)} placeholder={t.community.postTitle}
             className="w-full px-3 py-2 bg-background border border-input rounded-lg text-sm mb-3 focus:outline-none focus:ring-2 focus:ring-ring" />
-          <textarea value={content} onChange={e => setContent(e.target.value)}
+          <textarea value={content} onChange={e => setContent(e.target.value)} placeholder={t.community.contentPlaceholder} rows={4}
-            placeholder="分享你的 AI 学习心得、实战经验..." rows={4}
             className="w-full px-3 py-2 bg-background border border-input rounded-lg text-sm mb-3 focus:outline-none focus:ring-2 focus:ring-ring resize-none" />
-          <input value={tags} onChange={e => setTags(e.target.value)}
+          <input value={tags} onChange={e => setTags(e.target.value)} placeholder={t.community.tagsPlaceholder}
-            placeholder="标签（逗号分隔，如：AI,提示词）"
             className="w-full px-3 py-2 bg-background border border-input rounded-lg text-sm mb-3 focus:outline-none focus:ring-2 focus:ring-ring" />
           <div className="flex justify-end">
             <button type="submit" disabled={submitting}
               className="px-4 py-2 bg-brand-600 text-white rounded-lg text-sm font-medium hover:bg-brand-700 disabled:opacity-50">
-              {submitting ? "发布中..." : "发布"}
+              {submitting ? t.community.publishing : t.community.publish}
             </button>
           </div>
         </form>
@@ -264,7 +204,7 @@ export default function CommunityPage() {
 
       {posts.length === 0 ? (
         <div className="text-center py-20 text-muted-foreground">
-          <p>{activeTab === 'feed' ? '关注更多用户，发现精彩内容' : '还没有帖子，来发第一帖吧！'}</p>
+          <p>{activeTab === 'feed' ? t.community.feedEmpty : t.community.postsEmpty}</p>
         </div>
       ) : (
         <div>{posts.map(post => <PostCard key={post.id} post={post} />)}</div>

frontend/src/app/courses/page.tsx

@@ -5,13 +5,11 @@ import Link from 'next/link';
 import { Card } from '@/components/ui/card';
 import { Badge } from '@/components/ui/badge';
 import { Skeleton } from '@/components/ui/skeleton';
-import { BookOpen, Users } from 'lucide-react';
+import { BookOpen } from 'lucide-react';
 import { API_BASE } from '@/lib/config';
+import { useT } from '@/i18n';
 
-interface Course {
+interface Course { id: number; title: string; description: string; cover: string | null; isFree: boolean; chapters?: { lessons: any[] }[] }
-  id: number; title: string; description: string; cover: string | null;
-  isFree: boolean; chapters?: { lessons: any[] }[];
-}
 
 function CourseSkeleton() {
   return (
@@ -25,6 +23,7 @@ function CourseSkeleton() {
 }
 
 export default function CoursesPage() {
+  const t = useT();
   const [courses, setCourses] = useState<Course[]>([]);
   const [loading, setLoading] = useState(true);
 
@@ -37,18 +36,16 @@ export default function CoursesPage() {
   return (
     <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
       <div className="mb-10">
-        <h1 className="text-3xl font-bold text-foreground">专题</h1>
+        <h1 className="text-3xl font-bold text-foreground">{t.courses.title}</h1>
-        <p className="mt-2 text-muted-foreground">系统化探索 AI，从入门到精通</p>
+        <p className="mt-2 text-muted-foreground">{t.courses.desc}</p>
       </div>
 
       {loading ? (
-        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">{[1,2,3,4,5,6].map(i => <CourseSkeleton key={i} />)}</div>
-          {[1,2,3,4,5,6].map(i => <CourseSkeleton key={i} />)}
-        </div>
       ) : courses.length === 0 ? (
         <div className="text-center py-20 text-muted-foreground">
           <BookOpen className="w-12 h-12 mx-auto mb-4 opacity-30" />
-          <p>暂无专题内容</p>
+          <p>{t.courses.empty}</p>
         </div>
       ) : (
         <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
@@ -63,15 +60,15 @@ export default function CoursesPage() {
                   </div>
                 )}
                 <div className="p-5">
-                  <Badge variant={course.isFree ? 'success' : 'destructive'} className="mb-3">
+                  <Badge variant={course.isFree ? 'secondary' : 'destructive'} className="mb-3">
-                    {course.isFree ? '免费' : '付费'}
+                    {course.isFree ? t.courses.free : t.courses.paid}
                   </Badge>
                   <h3 className="font-semibold group-hover:text-brand-600 transition-colors mb-2">{course.title}</h3>
                   <p className="text-sm text-muted-foreground line-clamp-2">{course.description}</p>
                   {course.chapters && (
                     <div className="flex items-center gap-2 mt-3 text-xs text-muted-foreground">
-                      <Users className="w-3.5 h-3.5" />
+                      <BookOpen className="w-3.5 h-3.5" />
-                      <span>{course.chapters.reduce((s, ch) => s + (ch.lessons?.length || 0), 0)} 模块</span>
+                      <span>{t.courses.moduleCount.replace('{n}', String(course.chapters.reduce((s, ch) => s + (ch.lessons?.length || 0), 0)))}</span>
                     </div>
                   )}
                 </div>

frontend/src/app/dashboard/page.tsx

@@ -6,56 +6,18 @@ import { Progress } from '@/components/ui/progress';
 import Link from 'next/link';
 import { apiFetch, isLoggedIn, clearTokens } from '../../lib/auth';
 import { useRouter } from 'next/navigation';
+import { useT } from '@/i18n';
 
-interface Stats {
+interface Stats { inProgressCourses: number; completedLessons: number; favoritePrompts: number; studyDays: number; todayLearned: number }
-  inProgressCourses: number;
+interface UserInfo { nickname: string; avatar: string | null; memberPlan: string; memberExpire: string | null; sandboxDaily: number; joinedAt: string }
-  completedLessons: number;
+interface CourseProgress { course: { id: number; title: string; cover: string | null }; progress: number; completedCount: number; totalCount: number; recentLessons: { id: number; title: string; completed: boolean; progress: number; updatedAt: string }[] }
-  favoritePrompts: number;
+interface RecentRecord { lessonId: number; lessonTitle: string; courseId: number; courseTitle: string; completed: boolean; progress: number; updatedAt: string }
-  studyDays: number;
+interface PromptFavorite { id: number; promptId: number; title: string; description: string | null; model: string | null; viewCount: number; likeCount: number; favoritedAt: string }
-  todayLearned: number;
-}
-
-interface UserInfo {
-  nickname: string;
-  avatar: string | null;
-  memberPlan: string;
-  memberExpire: string | null;
-  sandboxDaily: number;
-  joinedAt: string;
-}
-
-interface CourseProgress {
-  course: { id: number; title: string; cover: string | null };
-  progress: number;
-  completedCount: number;
-  totalCount: number;
-  recentLessons: { id: number; title: string; completed: boolean; progress: number; updatedAt: string }[];
-}
-
-interface RecentRecord {
-  lessonId: number;
-  lessonTitle: string;
-  courseId: number;
-  courseTitle: string;
-  completed: boolean;
-  progress: number;
-  updatedAt: string;
-}
-
-interface PromptFavorite {
-  id: number;
-  promptId: number;
-  title: string;
-  description: string | null;
-  model: string | null;
-  viewCount: number;
-  likeCount: number;
-  favoritedAt: string;
-}
 
 type Tab = 'progress' | 'favorites' | 'profile';
 
 export default function DashboardPage() {
+  const t = useT();
   const router = useRouter();
   const [activeTab, setActiveTab] = useState<Tab>('progress');
   const [loading, setLoading] = useState(true);
@@ -70,149 +32,97 @@ export default function DashboardPage() {
   const [saveMsg, setSaveMsg] = useState('');
 
   useEffect(() => {
-    if (!isLoggedIn()) {
+    if (!isLoggedIn()) { router.push('/auth'); return; }
-      router.push('/auth');
-      return;
-    }
     loadAll();
   }, []);
 
   async function loadAll() {
-    setLoading(true);
+    setLoading(true); setError('');
-    setError('');
     try {
       const [statsRes, progressRes, favRes, profileRes] = await Promise.all([
-        apiFetch('/dashboard/stats'),
+        apiFetch('/dashboard/stats'), apiFetch('/dashboard/progress'), apiFetch('/dashboard/favorites'), apiFetch('/dashboard/profile'),
-        apiFetch('/dashboard/progress'),
-        apiFetch('/dashboard/favorites'),
-        apiFetch('/dashboard/profile'),
       ]);
-
+      if (!statsRes.ok || !progressRes.ok || !favRes.ok || !profileRes.ok) throw new Error(t.dashboard.loadFailed);
-      if (!statsRes.ok || !progressRes.ok || !favRes.ok || !profileRes.ok) {
-        throw new Error('加载数据失败');
-      }
-
       const statsData = await statsRes.json();
+      setStats(statsData.stats); setUserInfo(statsData.user);
       const progressData = await progressRes.json();
-      const favData = await favRes.json();
-      const profileData = await profileRes.json();
-
-      setStats(statsData.stats);
-      setUserInfo(statsData.user);
       setCourses(progressData.courses || []);
       setRecentRecords(progressData.recentRecords || []);
-      setFavorites(favData || []);
+      setFavorites((await favRes.json()) || []);
-      setNickname(profileData.nickname || '');
+      setNickname((await profileRes.json()).nickname || '');
     } catch (e: any) {
-      if (e.message?.includes('401') || e.message?.includes('Unauthorized')) {
+      if (e.message?.includes('401') || e.message?.includes('Unauthorized')) { clearTokens(); router.push('/auth'); }
-        clearTokens();
+      setError(e.message || t.dashboard.loadFailed);
-        router.push('/auth');
+    } finally { setLoading(false); }
-      }
-      setError(e.message || '加载失败');
-    } finally {
-      setLoading(false);
-    }
   }
 
   async function handleSaveProfile() {
-    setSaving(true);
+    setSaving(true); setSaveMsg('');
-    setSaveMsg('');
     try {
-      const res = await apiFetch('/dashboard/profile', {
+      const res = await apiFetch('/dashboard/profile', { method: 'PUT', body: JSON.stringify({ nickname }) });
-        method: 'PUT',
+      if (!res.ok) throw new Error(t.dashboard.saveFailed);
-        body: JSON.stringify({ nickname }),
+      setSaveMsg(t.dashboard.saveSuccess);
-      });
-      if (!res.ok) throw new Error('保存失败');
-      setSaveMsg('保存成功');
       setUserInfo(prev => prev ? { ...prev, nickname } : prev);
-    } catch {
+    } catch { setSaveMsg(t.dashboard.saveFailed); }
-      setSaveMsg('保存失败');
+    finally { setSaving(false); setTimeout(() => setSaveMsg(''), 2000); }
-    } finally {
-      setSaving(false);
-      setTimeout(() => setSaveMsg(''), 2000);
-    }
   }
 
-  function handleLogout() {
+  function handleLogout() { clearTokens(); router.push('/'); }
-    clearTokens();
-    router.push('/');
-  }
 
-  if (loading) {
+  if (loading) return (
-    return (
+    <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
-      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
+      <Skeleton className="h-8 w-48 mb-2" /><Skeleton className="h-5 w-72 mb-8" />
-        <Skeleton className="h-8 w-48 mb-2" />
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4 mb-8">{[1,2,3,4].map(i => <Skeleton key={i} className="h-24 rounded-xl" />)}</div>
-        <Skeleton className="h-5 w-72 mb-8" />
+      <Skeleton className="h-64 rounded-xl" />
-        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4 mb-8">
+    </div>
-          {[1,2,3,4].map(i => <Skeleton key={i} className="h-24 rounded-xl" />)}
+  );
-        </div>
-        <Skeleton className="h-64 rounded-xl" />
-      </div>
-    );
-  }
 
-  if (error) {
+  if (error) return (
-    return (
+    <div className="max-w-7xl mx-auto px-4 py-20 text-center">
-      <div className="max-w-7xl mx-auto px-4 py-20 text-center">
+      <p className="text-red-500 mb-4">{error}</p>
-        <p className="text-red-500 mb-4">{error}</p>
+      <button onClick={loadAll} className="px-4 py-2 bg-brand-600 text-white rounded-lg hover:bg-brand-700">{t.common.retry}</button>
-        <button onClick={loadAll} className="px-4 py-2 bg-brand-600 text-white rounded-lg hover:bg-brand-700">
+    </div>
-          重试
+  );
-        </button>
-      </div>
-    );
-  }
 
   const tabs: { key: Tab; label: string }[] = [
-    { key: 'progress', label: '学习进度' },
+    { key: 'progress', label: t.dashboard.tabProgress },
-    { key: 'favorites', label: '收藏夹' },
+    { key: 'favorites', label: t.dashboard.tabFavorites },
-    { key: 'profile', label: '个人设置' },
+    { key: 'profile', label: t.dashboard.tabProfile },
+  ];
+
+  const statItems = [
+    { label: t.dashboard.inProgressCourses, value: stats?.inProgressCourses ?? 0 },
+    { label: t.dashboard.completedLessons, value: stats?.completedLessons ?? 0 },
+    { label: t.dashboard.favoritePrompts, value: stats?.favoritePrompts ?? 0 },
+    { label: t.dashboard.studyDays, value: stats?.studyDays ?? 0 },
+    { label: t.dashboard.todayLearned, value: stats?.todayLearned ?? 0 },
   ];
 
   return (
     <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
       <div className="flex items-start justify-between mb-8">
         <div>
-          <h1 className="text-3xl font-bold text-foreground">我的学习</h1>
+          <h1 className="text-3xl font-bold text-foreground">{t.dashboard.title}</h1>
-          <p className="mt-2 text-muted-foreground">掌握你的学习进度和统计</p>
+          <p className="mt-2 text-muted-foreground">{t.dashboard.desc}</p>
         </div>
-        <button
+        <button onClick={handleLogout} className="text-sm text-muted-foreground hover:text-red-500 transition-colors mt-1">{t.common.logout}</button>
-          onClick={handleLogout}
-          className="text-sm text-muted-foreground hover:text-red-500 transition-colors mt-1"
-        >
-          退出登录
-        </button>
       </div>
 
-      {stats && (
+      <div className="grid grid-cols-2 md:grid-cols-5 gap-4 mb-8">
-        <div className="grid grid-cols-2 md:grid-cols-5 gap-4 mb-8">
+        {statItems.map((item) => (
-          {[
+          <div key={item.label} className="bg-card rounded-xl border border-border p-4 text-center">
-            { label: '学习中课程', value: stats.inProgressCourses },
+            <div className="text-2xl font-bold text-brand-600">{item.value}</div>
-            { label: '已完成课时', value: stats.completedLessons },
+            <div className="text-xs text-muted-foreground mt-1">{item.label}</div>
-            { label: '收藏提示词', value: stats.favoritePrompts },
+          </div>
-            { label: '学习天数', value: stats.studyDays },
+        ))}
-            { label: '今日学习', value: stats.todayLearned },
+      </div>
-          ].map((item) => (
-            <div key={item.label} className="bg-card rounded-xl border border-border p-4 text-center">
-              <div className="text-2xl font-bold text-brand-600">{item.value}</div>
-              <div className="text-xs text-muted-foreground mt-1">{item.label}</div>
-            </div>
-          ))}
-        </div>
-      )}
 
       <div className="flex gap-6 flex-col lg:flex-row">
         <div className="lg:w-48 flex-shrink-0">
           <nav className="flex lg:flex-col gap-1">
             {tabs.map((tab) => (
-              <button
+              <button key={tab.key} onClick={() => setActiveTab(tab.key)}
-                key={tab.key}
+                className={`px-4 py-2.5 text-sm font-medium rounded-lg text-left transition-colors ${activeTab === tab.key ? 'bg-accent text-accent-foreground' : 'text-muted-foreground hover:bg-accent'}`}>
-                onClick={() => setActiveTab(tab.key)}
-                className={`px-4 py-2.5 text-sm font-medium rounded-lg text-left transition-colors ${
-                  activeTab === tab.key
-                    ? 'bg-accent text-accent-foreground'
-                    : 'text-muted-foreground hover:bg-accent'
-                }`}
-              >
                 {tab.label}
               </button>
             ))}
@@ -224,51 +134,32 @@ export default function DashboardPage() {
             <div>
               {courses.length === 0 ? (
                 <div className="bg-card rounded-xl border border-border p-12 text-center">
-                  <p className="text-muted-foreground mb-4">还没有学习记录</p>
+                  <p className="text-muted-foreground mb-4">{t.dashboard.noLearningRecords}</p>
-                  <Link href="/courses" className="inline-flex px-4 py-2 bg-brand-600 text-white rounded-lg text-sm hover:bg-brand-700">
+                  <Link href="/courses" className="inline-flex px-4 py-2 bg-brand-600 text-white rounded-lg text-sm hover:bg-brand-700">{t.dashboard.browseCourses}</Link>
-                    浏览课程
-                  </Link>
                 </div>
               ) : (
                 <div className="space-y-6">
                   {courses.map((entry) => (
                     <div key={entry.course.id} className="bg-card rounded-xl border border-border p-6">
-                      <Link href={`/courses/${entry.course.id}`} className="text-lg font-semibold text-foreground hover:text-brand-600">
+                      <Link href={`/courses/${entry.course.id}`} className="text-lg font-semibold text-foreground hover:text-brand-600">{entry.course.title}</Link>
-                        {entry.course.title}
-                      </Link>
                       <div className="mt-3">
                         <div className="flex items-center justify-between text-sm text-muted-foreground mb-1.5">
-                          <span>学习进度</span>
+                          <span>{t.dashboard.learningProgress}</span>
-                          <span>{entry.completedCount}/{entry.totalCount} 课时 ({entry.progress}%)</span>
+                          <span>{t.dashboard.lessonCount.replace('{completed}', String(entry.completedCount)).replace('{total}', String(entry.totalCount)).replace('{progress}', String(entry.progress))}</span>
                         </div>
                         <Progress value={entry.progress} className="h-2" />
                       </div>
-                      {entry.recentLessons.length > 0 && (
-                        <div className="mt-4 pt-4 border-t border-border">
-                          <div className="text-xs text-muted-foreground mb-2">最近学习</div>
-                          <div className="space-y-1.5">
-                            {entry.recentLessons.map((lesson) => (
-                              <div key={lesson.id} className="flex items-center gap-2 text-sm">
-                                <span className={`w-1.5 h-1.5 rounded-full ${lesson.completed ? 'bg-green-500' : 'bg-brand-300'}`} />
-                                <span className="text-muted-foreground">{lesson.title}</span>
-                              </div>
-                            ))}
-                          </div>
-                        </div>
-                      )}
                     </div>
                   ))}
-
                   {recentRecords.length > 0 && (
                     <div className="bg-card rounded-xl border border-border p-6">
-                      <h3 className="text-base font-semibold text-foreground mb-4">最近学习记录</h3>
+                      <h3 className="text-base font-semibold text-foreground mb-4">{t.dashboard.recentLearning}</h3>
                       <div className="space-y-3">
                         {recentRecords.map((r, i) => (
                           <div key={i} className="flex items-center justify-between text-sm">
                             <div className="flex items-center gap-2">
                               <span className={`w-1.5 h-1.5 rounded-full ${r.completed ? 'bg-green-500' : 'bg-brand-300'}`} />
-                              <span className="text-muted-foreground">{r.lessonTitle}</span>
+                              <span className="text-muted-foreground">{r.lessonTitle} - {r.courseTitle}</span>
-                              <span className="text-muted-foreground">- {r.courseTitle}</span>
                             </div>
                             <span className="text-xs text-muted-foreground">{new Date(r.updatedAt).toLocaleDateString()}</span>
                           </div>
@@ -285,25 +176,19 @@ export default function DashboardPage() {
             <div>
               {favorites.length === 0 ? (
                 <div className="bg-card rounded-xl border border-border p-12 text-center">
-                  <p className="text-muted-foreground mb-4">还没有收藏的提示词</p>
+                  <p className="text-muted-foreground mb-4">{t.dashboard.noFavorites}</p>
-                  <Link href="/prompts" className="inline-flex px-4 py-2 bg-brand-600 text-white rounded-lg text-sm hover:bg-brand-700">
+                  <Link href="/prompts" className="inline-flex px-4 py-2 bg-brand-600 text-white rounded-lg text-sm hover:bg-brand-700">{t.dashboard.browsePrompts}</Link>
-                    浏览提示词
-                  </Link>
                 </div>
               ) : (
                 <div className="grid gap-4">
                   {favorites.map((fav) => (
-                    <Link
+                    <Link key={fav.id} href="/prompts" className="block bg-card rounded-xl border border-border p-5 hover:border-brand-200 transition-colors">
-                      key={fav.id}
-                      href={`/prompts`}
-                      className="block bg-card rounded-xl border border-border p-5 hover:border-brand-200 transition-colors"
-                    >
                       <h3 className="font-semibold text-foreground">{fav.title}</h3>
                       {fav.description && <p className="text-sm text-muted-foreground mt-1 line-clamp-2">{fav.description}</p>}
                       <div className="flex items-center gap-4 mt-3 text-xs text-muted-foreground">
-                        {fav.model && <span>模型: {fav.model}</span>}
+                        {fav.model && <span>{t.dashboard.modelLabel.replace('{model}', fav.model)}</span>}
-                        <span>{fav.viewCount} 次浏览</span>
+                        <span>{t.dashboard.viewCount.replace('{n}', String(fav.viewCount))}</span>
-                        <span>{fav.likeCount} 赞</span>
+                        <span>{t.dashboard.likeCount.replace('{n}', String(fav.likeCount))}</span>
                         <span className="ml-auto">{new Date(fav.favoritedAt).toLocaleDateString()}</span>
                       </div>
                     </Link>
@@ -315,45 +200,34 @@ export default function DashboardPage() {
 
           {activeTab === 'profile' && (
             <div className="bg-card rounded-xl border border-border p-6">
-              <h3 className="text-base font-semibold text-foreground mb-6">个人资料</h3>
+              <h3 className="text-base font-semibold text-foreground mb-6">{t.dashboard.profile}</h3>
               <div className="space-y-5 max-w-md">
                 <div>
-                  <label className="block text-sm font-medium text-foreground mb-1">昵称</label>
+                  <label className="block text-sm font-medium text-foreground mb-1">{t.dashboard.nicknameLabel}</label>
-                  <input
+                  <input type="text" value={nickname} onChange={e => setNickname(e.target.value)}
-                    type="text"
-                    value={nickname}
-                    onChange={e => setNickname(e.target.value)}
                     className="w-full px-3 py-2 border border-border rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-brand-500 focus:border-transparent"
-                    placeholder="输入昵称"
+                    placeholder={t.dashboard.nicknamePlaceholder} />
-                  />
                 </div>
                 <div>
-                  <label className="block text-sm font-medium text-foreground mb-1">会员计划</label>
+                  <label className="block text-sm font-medium text-foreground mb-1">{t.dashboard.memberPlan}</label>
-                  <p className="text-sm text-muted-foreground">{userInfo?.memberPlan === 'FREE' ? '免费用户' : userInfo?.memberPlan}</p>
+                  <p className="text-sm text-muted-foreground">{userInfo?.memberPlan === 'FREE' ? t.dashboard.freeUser : userInfo?.memberPlan}</p>
                 </div>
                 {userInfo?.memberExpire && (
                   <div>
-                    <label className="block text-sm font-medium text-foreground mb-1">会员到期</label>
+                    <label className="block text-sm font-medium text-foreground mb-1">{t.dashboard.memberExpire}</label>
                     <p className="text-sm text-muted-foreground">{new Date(userInfo.memberExpire).toLocaleDateString()}</p>
                   </div>
                 )}
                 <div>
-                  <label className="block text-sm font-medium text-foreground mb-1">注册时间</label>
+                  <label className="block text-sm font-medium text-foreground mb-1">{t.dashboard.joinDate}</label>
                   <p className="text-sm text-muted-foreground">{userInfo?.joinedAt ? new Date(userInfo.joinedAt).toLocaleDateString() : '-'}</p>
                 </div>
                 <div>
-                  <button
+                  <button onClick={handleSaveProfile} disabled={saving}
-                    onClick={handleSaveProfile}
+                    className="px-6 py-2 bg-brand-600 text-white rounded-lg text-sm font-medium hover:bg-brand-700 disabled:opacity-50">
-                    disabled={saving}
+                    {saving ? t.common.loading : t.settings.saveChanges}
-                    className="px-6 py-2 bg-brand-600 text-white rounded-lg text-sm font-medium hover:bg-brand-700 disabled:opacity-50"
-                  >
-                    {saving ? '保存中...' : '保存'}
                   </button>
-                  {saveMsg && (
+                  {saveMsg && <span className={`ml-3 text-sm ${saveMsg === t.dashboard.saveSuccess ? 'text-green-600' : 'text-red-500'}`}>{saveMsg}</span>}
-                    <span className={`ml-3 text-sm ${saveMsg === '保存成功' ? 'text-green-600' : 'text-red-500'}`}>
-                      {saveMsg}
-                    </span>
-                  )}
                 </div>
               </div>
             </div>

frontend/src/app/notifications/page.tsx

@@ -5,29 +5,17 @@ import Link from 'next/link';
 import { apiFetch } from '@/lib/auth';
 import { Button } from '@/components/ui/button';
 import { Skeleton } from '@/components/ui/skeleton';
+import { useT } from '@/i18n';
 
-interface Notification {
+interface Notification { id: number; type: 'like' | 'comment' | 'follow' | 'system'; title: string; content?: string; link?: string; relatedId?: number; isRead: boolean; createdAt: string }
-  id: number;
-  type: 'like' | 'comment' | 'follow' | 'system';
-  title: string;
-  content?: string;
-  link?: string;
-  relatedId?: number;
-  isRead: boolean;
-  createdAt: string;
-}
 
 function NotificationIcon({ type }: { type: string }) {
-  const icons: Record<string, string> = {
+  const icons: Record<string, string> = { like: '❤️', comment: '💬', follow: '👤', system: '🔔' };
-    like: '❤️',
-    comment: '💬',
-    follow: '👤',
-    system: '🔔',
-  };
   return <span className="text-lg">{icons[type] || '🔔'}</span>;
 }
 
 export default function NotificationsPage() {
+  const t = useT();
   const [notifications, setNotifications] = useState<Notification[]>([]);
   const [unreadCount, setUnreadCount] = useState(0);
   const [loading, setLoading] = useState(true);
@@ -35,11 +23,7 @@ export default function NotificationsPage() {
   const load = useCallback(async () => {
     try {
       const res = await apiFetch('/notifications');
-      if (res.ok) {
+      if (res.ok) { const data = await res.json(); setNotifications(data.items || []); setUnreadCount(data.unread || 0); }
-        const data = await res.json();
-        setNotifications(data.items || []);
-        setUnreadCount(data.unread || 0);
-      }
     } catch (e) { console.error(e) }
     setLoading(false);
   }, []);
@@ -64,11 +48,8 @@ export default function NotificationsPage() {
 
   if (loading) return (
     <div className="max-w-3xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
-      <Skeleton className="h-8 w-48 mb-6" />
+      <Skeleton className="h-8 w-48 mb-6" /><Skeleton className="h-4 w-32 mb-8" />
-      <Skeleton className="h-4 w-32 mb-8" />
+      <Skeleton className="h-64 w-full mb-4" /><Skeleton className="h-4 w-full mb-2" /><Skeleton className="h-4 w-3/4" />
-      <Skeleton className="h-64 w-full mb-4" />
-      <Skeleton className="h-4 w-full mb-2" />
-      <Skeleton className="h-4 w-3/4" />
     </div>
   );
 
@@ -76,54 +57,39 @@ export default function NotificationsPage() {
     <div className="max-w-3xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
       <div className="flex items-center justify-between mb-8">
         <div>
-          <h1 className="text-3xl font-bold text-foreground">通知</h1>
+          <h1 className="text-3xl font-bold text-foreground">{t.notifications.title}</h1>
           <p className="mt-2 text-muted-foreground">
-            {unreadCount > 0 ? `你有 ${unreadCount} 条未读通知` : '暂无未读通知'}
+            {unreadCount > 0 ? t.notifications.unreadCount.replace('{n}', String(unreadCount)) : t.notifications.noUnread}
           </p>
         </div>
         {unreadCount > 0 && (
-          <Button variant="outline" size="sm" onClick={markAllRead}>
+          <Button variant="outline" size="sm" onClick={markAllRead}>{t.notifications.markAllRead}</Button>
-            全部已读
-          </Button>
         )}
       </div>
 
       <div className="space-y-2">
         {notifications.map(n => (
-          <div key={n.id}
+          <div key={n.id} className={`flex items-start gap-4 p-4 rounded-xl border transition-colors ${n.isRead ? 'bg-card border-border' : 'bg-brand-50 dark:bg-brand-900/20 border-brand-200 dark:border-brand-800'}`}>
-            className={`flex items-start gap-4 p-4 rounded-xl border transition-colors ${
-              n.isRead
-                ? 'bg-card border-border'
-                : 'bg-brand-50 dark:bg-brand-900/20 border-brand-200 dark:border-brand-800'
-            }`}>
             <div className="mt-1"><NotificationIcon type={n.type} /></div>
             <div className="flex-1 min-w-0">
               {n.link ? (
-                <Link href={n.link} onClick={() => { if (!n.isRead) markRead(n.id); }}
+                <Link href={n.link} onClick={() => { if (!n.isRead) markRead(n.id); }} className="text-sm font-medium text-foreground hover:text-brand-600">{n.title}</Link>
-                  className="text-sm font-medium text-foreground hover:text-brand-600">
-                  {n.title}
-                </Link>
               ) : (
                 <p className="text-sm font-medium text-foreground">{n.title}</p>
               )}
               {n.content && <p className="text-xs text-muted-foreground mt-1 line-clamp-2">{n.content}</p>}
-              <p className="text-xs text-muted-foreground mt-1">
+              <p className="text-xs text-muted-foreground mt-1">{new Date(n.createdAt).toLocaleString('zh-CN')}</p>
-                {new Date(n.createdAt).toLocaleString('zh-CN')}
-              </p>
             </div>
             {!n.isRead && (
-              <button onClick={() => markRead(n.id)}
+              <button onClick={() => markRead(n.id)} className="text-xs text-muted-foreground hover:text-foreground shrink-0 px-2 py-1 rounded hover:bg-accent">{t.notifications.markRead}</button>
-                className="text-xs text-muted-foreground hover:text-foreground shrink-0 px-2 py-1 rounded hover:bg-accent">
-                已读
-              </button>
             )}
           </div>
         ))}
         {notifications.length === 0 && (
           <div className="text-center py-20 text-muted-foreground">
             <p className="text-4xl mb-4">🔔</p>
-            <p>暂无通知</p>
+            <p>{t.notifications.emptyTitle}</p>
-            <p className="text-sm mt-1">点赞、评论或关注你的人会出现在这里</p>
+            <p className="text-sm mt-1">{t.notifications.emptyDesc}</p>
           </div>
         )}
       </div>

frontend/src/app/page.tsx

@@ -1,22 +1,24 @@
+'use client';
+
 import Link from 'next/link';
 import { HomePageClient } from './home-client';
 import { ArrowRight, Sparkles, BookOpen, Bot, Compass, Zap } from 'lucide-react';
-
+import { useT } from '@/i18n';
-const stats = [
-  { value: '50+', label: 'AI 专题' },
-  { value: '200+', label: '精选提示词' },
-  { value: '30+', label: 'AI 工具评测' },
-  { value: '10,000+', label: '探索者' },
-];
-
-const features = [
-  { icon: Compass, title: '分领域指南', desc: '按职业和场景分类内容，学即所用，精准提升 AI 应用能力' },
-  { icon: Bot, title: 'AI 沙盒实战', desc: '内置 AI 对话沙盒，边学边练，在实践中掌握提示词技巧' },
-  { icon: BookOpen, title: '提示词库', desc: '精选 200+ 提示词模板，覆盖办公、编程、创作等场景' },
-  { icon: Zap, title: '持续更新', desc: '紧跟大模型迭代，内容实时更新，始终走在 AI 前沿' },
-];
 
 export default function HomePage() {
+  const t = useT();
+  const stats = [
+    { value: '50+', label: t.home.statTopics },
+    { value: '200+', label: t.home.statPrompts },
+    { value: '30+', label: t.home.statTools },
+    { value: '10,000+', label: t.home.statExplorers },
+  ];
+  const features = [
+    { icon: Compass, title: t.home.featureGuide, desc: t.home.featureGuideDesc },
+    { icon: Bot, title: t.home.featureSandbox, desc: t.home.featureSandboxDesc },
+    { icon: BookOpen, title: t.home.featurePrompts, desc: t.home.featurePromptsDesc },
+    { icon: Zap, title: t.home.featureUpdate, desc: t.home.featureUpdateDesc },
+  ];
   return (
     <HomePageClient>
       {/* Hero */}
@@ -30,33 +32,25 @@ export default function HomePage() {
           <div className="text-center max-w-3xl mx-auto animate-fade-in-up">
             <span className="inline-flex items-center gap-1.5 px-4 py-1.5 text-sm font-medium text-brand-700 dark:text-brand-300 bg-brand-100 dark:bg-brand-900/50 rounded-full mb-8 border border-brand-200 dark:border-brand-800">
               <Sparkles className="w-3.5 h-3.5" />
-              免费 AI 知识社区
+              {t.home.badge}
             </span>
             <h1 className="text-4xl md:text-6xl font-bold tracking-tight leading-tight">
               <span className="bg-gradient-to-r from-brand-600 via-brand-500 to-blue-500 bg-clip-text text-transparent">
-                让每个人
+                {t.home.heroHighlight}
               </span>
-              <br />都能用好 AI
+              <br />{t.home.heroRest}
             </h1>
             <p className="mt-6 text-lg md:text-xl text-muted-foreground leading-relaxed max-w-2xl mx-auto">
-              宇之然 AI 是面向大众的 AI 工具与知识社区
+              {t.home.desc}
-              <br className="hidden sm:block" />
-              涵盖 AI 通识、提示词工程、沙盒实战、模型百科
             </p>
             <div className="mt-10 flex flex-col sm:flex-row gap-4 justify-center">
-              <Link
+              <Link href="/courses" className="inline-flex items-center justify-center gap-2 px-8 py-3 text-base font-medium text-white bg-brand-600 rounded-xl hover:bg-brand-700 transition-all shadow-lg shadow-brand-200/50 dark:shadow-brand-900/30 hover:shadow-xl hover:-translate-y-0.5 active:scale-[0.98]">
-                href="/courses"
-                className="inline-flex items-center justify-center gap-2 px-8 py-3 text-base font-medium text-white bg-brand-600 rounded-xl hover:bg-brand-700 transition-all shadow-lg shadow-brand-200/50 dark:shadow-brand-900/30 hover:shadow-xl hover:-translate-y-0.5 active:scale-[0.98]"
-              >
                 <BookOpen className="w-5 h-5" />
-                开始探索
+                {t.home.startExplore}
                 <ArrowRight className="w-4 h-4" />
               </Link>
-              <Link
+              <Link href="/auth?tab=register" className="inline-flex items-center justify-center gap-2 px-8 py-3 text-base font-medium text-foreground bg-card border border-border rounded-xl hover:bg-accent transition-all hover:-translate-y-0.5 active:scale-[0.98] shadow-sm">
-                href="/auth?tab=register"
+                {t.home.freeRegister}
-                className="inline-flex items-center justify-center gap-2 px-8 py-3 text-base font-medium text-foreground bg-card border border-border rounded-xl hover:bg-accent transition-all hover:-translate-y-0.5 active:scale-[0.98] shadow-sm"
-              >
-                免费注册
               </Link>
             </div>
           </div>
@@ -83,8 +77,8 @@ export default function HomePage() {
       <section className="py-20">
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
           <div className="text-center mb-16">
-            <h2 className="text-3xl font-bold">为什么选择宇之然？</h2>
+            <h2 className="text-3xl font-bold">{t.home.whyTitle}</h2>
-            <p className="mt-4 text-lg text-muted-foreground">四大核心优势，助你快速掌握 AI</p>
+            <p className="mt-4 text-lg text-muted-foreground">{t.home.whyDesc}</p>
           </div>
           <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
             {features.map((feat) => (
@@ -105,18 +99,18 @@ export default function HomePage() {
         <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
           <div className="flex items-center justify-between mb-10">
             <div>
-              <h2 className="text-3xl font-bold">热门专题</h2>
+              <h2 className="text-3xl font-bold">{t.home.popularTopics}</h2>
-              <p className="mt-2 text-muted-foreground">从入门到精通，系统探索 AI</p>
+              <p className="mt-2 text-muted-foreground">{t.home.popularDesc}</p>
             </div>
             <Link href="/courses" className="hidden sm:inline-flex items-center gap-1 text-brand-600 hover:text-brand-700 font-medium text-sm group">
-              查看全部 <ArrowRight className="w-4 h-4 group-hover:translate-x-0.5 transition-transform" />
+              {t.common.viewAll} <ArrowRight className="w-4 h-4 group-hover:translate-x-0.5 transition-transform" />
             </Link>
           </div>
           <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
             {[
-              { title: 'AI 通识：零基础入门', lessons: '12 模块', students: '1,280', tag: '免费', gradient: 'from-brand-500 to-blue-500', desc: '面向零基础用户，带你了解 AI 的基本概念、发展历程和实际应用。' },
+              { title: 'AI 通识：零基础入门', students: '1,280', tag: t.courses.free, gradient: 'from-brand-500 to-blue-500', desc: '面向零基础用户，带你了解 AI 的基本概念、发展历程和实际应用。' },
-              { title: '提示词工程从入门到精通', lessons: '20 模块', students: '860', tag: '热门', gradient: 'from-violet-500 to-purple-500', desc: '系统学习提示词编写技巧，掌握与 AI 高效沟通的方法。' },
+              { title: '提示词工程从入门到精通', students: '860', tag: '热门', gradient: 'from-violet-500 to-purple-500', desc: '系统学习提示词编写技巧，掌握与 AI 高效沟通的方法。' },
-              { title: '用 AI 提升 10 倍办公效率', lessons: '15 模块', students: '2,150', tag: '推荐', gradient: 'from-amber-500 to-orange-500', desc: '学习使用 AI 工具处理文档、数据分析、演示制作等日常工作。' },
+              { title: '用 AI 提升 10 倍办公效率', students: '2,150', tag: '推荐', gradient: 'from-amber-500 to-orange-500', desc: '学习使用 AI 工具处理文档、数据分析、演示制作等日常工作。' },
             ].map((course) => (
               <div key={course.title} className="group bg-card rounded-xl border border-border overflow-hidden hover:shadow-xl transition-all hover:-translate-y-1">
                 <div className={`h-2 bg-gradient-to-r ${course.gradient}`} />
@@ -127,14 +121,7 @@ export default function HomePage() {
                   <h3 className="text-lg font-semibold mb-2 group-hover:text-brand-600 transition-colors">{course.title}</h3>
                   <p className="text-sm text-muted-foreground mb-4 line-clamp-2">{course.desc}</p>
                   <div className="flex items-center gap-4 text-sm text-muted-foreground">
-                    <span className="flex items-center gap-1">
+                    <span className="flex items-center gap-1"><BookOpen className="w-4 h-4" />{t.home.moduleCount.replace('{n}', course.students)}</span>
-                      <BookOpen className="w-4 h-4" />
-                      {course.lessons}
-                    </span>
-                    <span className="flex items-center gap-1">
-                      <span className="text-lg leading-none">·</span>
-                      {course.students} 人关注
-                    </span>
                   </div>
                 </div>
               </div>
@@ -143,73 +130,14 @@ export default function HomePage() {
         </div>
       </section>
 
-      {/* AI Sandbox Preview */}
-      <section className="py-20">
-        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
-          <div className="flex items-center justify-between mb-10">
-            <div>
-              <h2 className="text-3xl font-bold">AI 沙盒</h2>
-              <p className="mt-2 text-muted-foreground">在线体验 AI 对话，边学边练</p>
-            </div>
-            <Link href="/sandbox" className="hidden sm:inline-flex items-center gap-1 text-brand-600 hover:text-brand-700 font-medium text-sm group">
-              打开沙盒 <ArrowRight className="w-4 h-4 group-hover:translate-x-0.5 transition-transform" />
-            </Link>
-          </div>
-          <div className="bg-card border border-border rounded-2xl overflow-hidden shadow-xl">
-            <div className="flex items-center gap-1.5 px-4 pt-3 pb-2 border-b border-border">
-              <div className="flex gap-1.5">
-                <span className="w-3 h-3 rounded-full bg-red-400" />
-                <span className="w-3 h-3 rounded-full bg-yellow-400" />
-                <span className="w-3 h-3 rounded-full bg-green-400" />
-              </div>
-              <span className="ml-2 text-xs text-muted-foreground">AI 沙盒 - 在线体验</span>
-            </div>
-            <div className="p-4 space-y-4 bg-muted/30 dark:bg-muted/10">
-              <div className="flex items-start gap-3">
-                <span className="w-7 h-7 bg-brand-600 rounded-lg flex items-center justify-center text-white text-xs font-bold shrink-0">Y</span>
-                <div className="bg-card dark:bg-card rounded-xl rounded-tl-none px-3 py-2.5 text-sm shadow-sm max-w-[80%]">
-                  你好！我是宇之然 AI 助手。你可以问我任何问题，我会尽力帮你解答。试试问我关于 AI、编程、写作等方面的问题吧！
-                </div>
-              </div>
-              <div className="flex items-start gap-3 justify-end">
-                <div className="bg-brand-50 dark:bg-brand-900/30 rounded-xl rounded-tr-none px-3 py-2.5 text-sm max-w-[80%]">
-                  帮我用 Python 写一个 Fibonacci 函数
-                </div>
-                <span className="w-7 h-7 bg-muted-foreground/20 rounded-lg flex items-center justify-center text-xs font-bold shrink-0">我</span>
-              </div>
-              <div className="flex items-center gap-2 text-xs text-muted-foreground pl-9">
-                <span className="w-2 h-2 bg-brand-500 rounded-full animate-pulse" />
-                正在输入...
-              </div>
-            </div>
-            <div className="border-t border-border p-3 bg-card">
-              <div className="flex gap-2">
-                <input
-                  type="text"
-                  placeholder="输入你的问题..."
-                  readOnly
-                  className="flex-1 bg-muted border-0 rounded-lg px-3 py-2 text-sm placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-brand-500"
-                />
-                <button className="px-4 py-2 bg-brand-600 text-white text-sm font-medium rounded-lg hover:bg-brand-700 transition-colors cursor-default">
-                  发送
-                </button>
-              </div>
-            </div>
-          </div>
-        </div>
-      </section>
-
       {/* CTA */}
       <section className="py-20 bg-gradient-to-r from-brand-600 to-brand-800 dark:from-brand-900 dark:to-brand-950 relative overflow-hidden">
         <div className="absolute inset-0 bg-[url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHZpZXdCb3g9IjAgMCA0MCA0MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cGF0aCBkPSJNMjAgMjB2MTBoLTEwVjIwaDEwek0yMCAwaDEwdjEwSDIwVjB6IiBmaWxsPSIjZmZmIiBmaWxsLW9wYWNpdHk9IjAuMDMiLz48L3N2Zz4=')] opacity-50" />
         <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 text-center relative">
-          <h2 className="text-3xl font-bold text-white mb-4">准备好开启 AI 之旅了吗？</h2>
+          <h2 className="text-3xl font-bold text-white mb-4">{t.home.ctaTitle}</h2>
-          <p className="text-brand-100/80 dark:text-brand-200/80 mb-8 text-lg">立即注册，免费探索所有内容</p>
+          <p className="text-brand-100/80 dark:text-brand-200/80 mb-8 text-lg">{t.home.ctaDesc}</p>
-          <Link
+          <Link href="/auth?tab=register" className="inline-flex items-center gap-2 px-8 py-3 text-base font-medium text-brand-600 bg-white rounded-xl hover:bg-brand-50 transition-all hover:-translate-y-0.5 active:scale-[0.98] shadow-xl">
-            href="/auth?tab=register"
+            {t.home.freeRegister}
-            className="inline-flex items-center gap-2 px-8 py-3 text-base font-medium text-brand-600 bg-white rounded-xl hover:bg-brand-50 transition-all hover:-translate-y-0.5 active:scale-[0.98] shadow-xl"
-          >
-            免费注册
             <ArrowRight className="w-4 h-4" />
           </Link>
         </div>

frontend/src/components/admin-ai-assistant.tsx

@@ -14,25 +14,63 @@ interface Message {
 
 const AVAILABLE_TOOLS_DESC = `可用工具列表（需要执行操作时，返回 JSON：{"tool":"工具名","params":{...},"description":"简述"}）：
 
-- **get-dashboard**: 获取仪表盘概览数据（用户数、课程数、内容数、提示词数、订单数）
+=== 查看 ===
-- **list-users**: 列出用户，可按关键词搜索（参数: search, page, pageSize）
+- **get-dashboard**: 仪表盘概览
-- **get-user**: 查看用户详情（参数: id）
+- **get-analytics-overview**: 数据分析概览
-- **update-user-status**: 修改用户状态（参数: id, status: ACTIVE|INACTIVE|BANNED）
+- **list-users**: 用户列表（search?, page?, pageSize?）
-- **list-orders**: 查看最近订单列表
+- **get-user**: 用户详情（id）
-- **get-analytics-overview**: 获取数据分析概览（用户增长、收入、趋势）
+- **list-orders**: 订单列表
-- **list-comments**: 查看评论（参数: status: PENDING_REVIEW|PUBLISHED|REJECTED）
+- **list-courses**: 课程列表 / **get-course**: 课程详情（id）
-- **approve-comment**: 通过评论（参数: id）
+- **list-contents**: 内容列表
-- **reject-comment**: 拒绝评论（参数: id, reason?）
+- **list-prompts**: 提示词列表
-- **list-banners**: 查看所有Banner
+- **list-comments**: 评论列表（status?）
-- **list-notifications**: 查看系统通知
+- **list-banners**: Banner列表
-- **list-config**: 查看系统配置
+- **list-notifications**: 通知列表
-- **list-roles**: 查看管理角色
+- **list-config**: 配置列表
-- **list-admins**: 查看管理员
+- **list-roles**: 角色列表
-- **get-enterprise-orgs**: 查看企业版组织
+- **list-admins**: 管理员列表
-- **toggle-course-status**: 切换课程上下架（参数: id）
+- **get-enterprise-orgs**: 企业组织列表
-- **toggle-content-status**: 切换内容上下架（参数: id）
+
-- **toggle-prompt-status**: 切换提示词上下架（参数: id）
+=== 创建 ===
-- **navigate**: 跳转到某个管理页面（参数: path — 如 /admin/users, /admin/orders, /admin/analytics, /admin/enterprise, /admin/operations/banners, /admin/operations/notifications, /admin/settings/roles, /admin/settings/config, /admin/comments, /admin/courses, /admin/prompts, /admin/contents, /admin/tools）
+- **create-course**: 创建课程（title必填, description?, price?, isFree?, status?）
+- **create-content**: 创建内容（title必填, summary?, content?, tags?, status?）
+- **create-prompt**: 创建提示词（title必填, content必填, description?, tags?, status?）
+- **create-banner**: 创建Banner（title必填, image必填, link?, position?, sortOrder?）
+- **create-notification**: 创建通知（title必填, content?, link?, userId?）
+- **create-role**: 创建角色（name必填, description?, permissions?）
+- **create-admin**: 创建管理员（username必填, password必填, nickname?, roleId?）
+- **create-organization**: 创建企业组织（name必填, description?, contactName?, contactPhone?）
+
+=== 修改 ===
+- **update-user**: 修改用户（id, nickname?, phone?, email?, status?, memberPlan?, sandboxDaily?）
+- **update-user-status**: 修改用户状态（id, status: ACTIVE|INACTIVE|BANNED）
+- **update-course**: 修改课程（id, title?, description?, price?, isFree?, status?）
+- **update-content**: 修改内容（id, title?, summary?, content?, tags?, status?）
+- **update-prompt**: 修改提示词（id, title?, content?, description?, tags?, status?）
+- **update-banner**: 修改Banner（id, title?, image?, link?, sortOrder?）
+- **update-config**: 修改配置（key必填, value必填, category?, description?）
+- **update-role**: 修改角色（id, name?, description?, permissions?）
+- **update-admin**: 修改管理员（id, nickname?, roleId?, password?）
+- **update-organization**: 修改企业组织（id, name?, description?, contactName?, contactPhone?）
+- **toggle-course-status**: 切换课程上下架（id）
+- **toggle-content-status**: 切换内容上下架（id）
+- **toggle-prompt-status**: 切换提示词上下架（id）
+
+=== 删除 ===
+- **delete-user**: 删除用户（id）
+- **delete-course**: 删除课程（id）
+- **delete-content**: 删除内容（id）
+- **delete-prompt**: 删除提示词（id）
+- **delete-banner**: 删除Banner（id）
+- **delete-notification**: 删除通知（id）
+- **delete-role**: 禁用角色（id）
+- **delete-admin**: 禁用管理员（id）
+- **delete-organization**: 删除组织（id）
+- **add-org-member**: 添加组织成员（organizationId, userId, role?）
+- **remove-org-member**: 移除组织成员（organizationId, userId）
+
+=== 导航 ===
+- **navigate**: 跳转到页面（path: /admin/users等）
 
 当用户请求执行操作时，先调用对应工具。工具执行完毕后会用自然语言总结结果。`;
 

frontend/src/components/layout/footer.tsx

@@ -1,35 +1,37 @@
 import Link from 'next/link';
+import { useT } from '@/i18n';
 
 export function Footer() {
+  const t = useT();
   return (
     <footer className="border-t border-border bg-muted/30">
       <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12 md:py-16">
         <div className="grid grid-cols-2 md:grid-cols-4 gap-8">
           <div className="col-span-2 md:col-span-1">
             <h3 className="text-lg font-bold bg-gradient-to-r from-brand-600 to-brand-400 bg-clip-text text-transparent mb-4">宇之然 AI</h3>
-            <p className="text-sm text-muted-foreground">让每个人都能用好 AI</p>
+            <p className="text-sm text-muted-foreground">{t.footer.tagline}</p>
           </div>
           <div>
-            <h4 className="text-sm font-semibold mb-3">探索</h4>
+            <h4 className="text-sm font-semibold mb-3">{t.footer.explore}</h4>
             <ul className="space-y-2.5">
-              <li><Link href="/courses" className="text-sm text-muted-foreground hover:text-foreground transition-colors">专题</Link></li>
+              <li><Link href="/courses" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.nav.courses}</Link></li>
-              <li><Link href="/sandbox" className="text-sm text-muted-foreground hover:text-foreground transition-colors">AI 沙盒</Link></li>
+              <li><Link href="/sandbox" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.nav.sandbox}</Link></li>
-              <li><Link href="/prompts" className="text-sm text-muted-foreground hover:text-foreground transition-colors">提示词库</Link></li>
+              <li><Link href="/prompts" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.nav.prompts}</Link></li>
-              <li><Link href="/models" className="text-sm text-muted-foreground hover:text-foreground transition-colors">模型百科</Link></li>
+              <li><Link href="/models" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.footer.models}</Link></li>
-              <li><Link href="/tools" className="text-sm text-muted-foreground hover:text-foreground transition-colors">AI 工具</Link></li>
+              <li><Link href="/tools" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.footer.aiTools}</Link></li>
             </ul>
           </div>
           <div>
-            <h4 className="text-sm font-semibold mb-3">关于</h4>
+            <h4 className="text-sm font-semibold mb-3">{t.footer.about}</h4>
             <ul className="space-y-2.5">
-              <li><Link href="/about" className="text-sm text-muted-foreground hover:text-foreground transition-colors">关于我们</Link></li>
+              <li><Link href="/about" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.footer.aboutUs}</Link></li>
-              <li><Link href="/privacy" className="text-sm text-muted-foreground hover:text-foreground transition-colors">隐私政策</Link></li>
+              <li><Link href="/privacy" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.footer.privacy}</Link></li>
-              <li><Link href="/terms" className="text-sm text-muted-foreground hover:text-foreground transition-colors">服务协议</Link></li>
+              <li><Link href="/terms" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.footer.terms}</Link></li>
-              <li><Link href="/ai-agreement" className="text-sm text-muted-foreground hover:text-foreground transition-colors">AI 服务协议</Link></li>
+              <li><Link href="/ai-agreement" className="text-sm text-muted-foreground hover:text-foreground transition-colors">{t.footer.aiAgreement}</Link></li>
             </ul>
           </div>
           <div>
-            <h4 className="text-sm font-semibold mb-3">联系方式</h4>
+            <h4 className="text-sm font-semibold mb-3">{t.footer.contact}</h4>
             <ul className="space-y-2.5">
               <li className="text-sm text-muted-foreground">邮箱：contact@yuzhiran.com</li>
               <li className="text-sm text-muted-foreground">北京宇之然科技中心</li>
@@ -38,7 +40,7 @@ export function Footer() {
         </div>
         <div className="mt-10 pt-8 border-t border-border">
           <div className="flex flex-col md:flex-row items-center justify-between gap-2 text-xs text-muted-foreground">
-            <p>&copy; {new Date().getFullYear()} 北京宇之然科技中心 版权所有</p>
+            <p>{t.footer.copyright.replace('{year}', String(new Date().getFullYear()))}</p>
             <p>
               <a href="https://beian.miit.gov.cn/" target="_blank" rel="noopener noreferrer" className="hover:text-foreground transition-colors">
                 ICP 备案号：京ICP备XXXXXXXX号

frontend/src/components/layout/header.tsx

@@ -9,19 +9,7 @@ import { ThemeToggle } from '@/components/ui/theme-toggle';
 import { Search, Menu, X, Bell, Languages } from 'lucide-react';
 import { apiFetch } from '@/lib/auth';
 import { useAuth } from '@/lib/auth-context';
-import { useLang } from '@/i18n';
+import { useLang, useT } from '@/i18n';
-
-const navItems = [
-  { href: '/', label: '首页' },
-  { href: '/courses', label: '专题' },
-  { href: '/sandbox', label: '沙盒' },
-  { href: '/skills', label: '技能' },
-  { href: '/models', label: '模型' },
-  { href: '/prompts', label: '提示词' },
-  { href: '/contents', label: '文章' },
-  { href: '/tools', label: 'AI 工具' },
-  { href: '/community', label: '社区' },
-];
 
 function NotificationBellComponent() {
   const [count, setCount] = useState(0);
@@ -63,6 +51,19 @@ export function Header() {
   const [scrolled, setScrolled] = useState(false);
   const { isLoggedIn, logout } = useAuth();
   const { lang, setLang } = useLang();
+  const t = useT();
+
+  const navItems = [
+    { href: '/', label: t.nav.home },
+    { href: '/courses', label: t.nav.courses },
+    { href: '/sandbox', label: t.nav.sandbox },
+    { href: '/skills', label: t.discover?.skills || '技能' },
+    { href: '/models', label: t.discover?.models || '模型' },
+    { href: '/prompts', label: t.nav.prompts },
+    { href: '/contents', label: t.discover?.articles || '文章' },
+    { href: '/tools', label: t.nav.tools },
+    { href: '/community', label: t.nav.community },
+  ];
 
   function isActive(href: string) {
     if (href === '/') return pathname === '/';
@@ -112,7 +113,7 @@ export function Header() {
               <Input
                 name="q"
                 type="text"
-                placeholder="搜索..."
+                placeholder={t.common.search}
                 className="w-36 lg:w-48 pl-8 h-9 text-sm bg-muted/50 border-0 focus-visible:ring-1"
               />
             </form>
@@ -128,23 +129,23 @@ export function Header() {
               <>
                 <NotificationBellComponent />
                 <Button variant="default" size="sm" asChild>
-                  <Link href="/dashboard">控制台</Link>
+                  <Link href="/dashboard">{t.nav?.my || '控制台'}</Link>
                 </Button>
                 <Button
                   variant="outline"
                   size="sm"
                   onClick={() => { logout(); window.location.href = '/'; }}
                 >
-                  退出
+                  {t.common.logout}
                 </Button>
               </>
             ) : (
               <>
                 <Button variant="ghost" size="sm" asChild>
-                  <Link href="/auth">登录</Link>
+                  <Link href="/auth">{t.common.login}</Link>
                 </Button>
                 <Button variant="default" size="sm" asChild>
-                  <Link href="/auth?tab=register">注册</Link>
+                  <Link href="/auth?tab=register">{t.common.register}</Link>
                 </Button>
               </>
             )}
@@ -187,19 +188,19 @@ export function Header() {
               {isLoggedIn ? (
                 <>
                   <Button className="w-full" size="sm" asChild>
-                    <Link href="/dashboard" onClick={() => setMobileOpen(false)}>控制台</Link>
+                    <Link href="/dashboard" onClick={() => setMobileOpen(false)}>{t.nav?.my || '控制台'}</Link>
                   </Button>
                   <Button variant="outline" size="sm" className="w-full" onClick={() => { logout(); window.location.href = '/'; }}>
-                    退出
+                    {t.common.logout}
                   </Button>
                 </>
               ) : (
                 <>
                   <Button variant="outline" className="w-full" size="sm" asChild>
-                    <Link href="/auth" onClick={() => setMobileOpen(false)}>登录</Link>
+                    <Link href="/auth" onClick={() => setMobileOpen(false)}>{t.common.login}</Link>
                   </Button>
                   <Button className="w-full" size="sm" asChild>
-                    <Link href="/auth?tab=register" onClick={() => setMobileOpen(false)}>注册</Link>
+                    <Link href="/auth?tab=register" onClick={() => setMobileOpen(false)}>{t.common.register}</Link>
                   </Button>
                 </>
               )}

frontend/src/components/ui/model-selector.tsx

@@ -1,7 +1,8 @@
 'use client';
 
-import { useState } from 'react';
+import { useState, useEffect } from 'react';
-import { AVAILABLE_MODELS, type ModelOption } from '@/lib/models';
+import { AVAILABLE_MODELS as FALLBACK_MODELS, type ModelOption } from '@/lib/models';
+import { API_BASE } from '@/lib/config';
 
 interface ModelSelectorProps {
   value: string;
@@ -11,7 +12,25 @@ interface ModelSelectorProps {
 
 export function ModelSelector({ value, onChange, className = '' }: ModelSelectorProps) {
   const [open, setOpen] = useState(false);
-  const selected = AVAILABLE_MODELS.find(m => m.id === value) || AVAILABLE_MODELS[0];
+  const [models, setModels] = useState<ModelOption[]>(FALLBACK_MODELS);
+
+  useEffect(() => {
+    fetch(`${API_BASE}/public/models`)
+      .then(r => r.json())
+      .then(data => {
+        if (data.items?.length) {
+          setModels(data.items.map((m: any) => ({
+            id: m.id,
+            label: m.name,
+            provider: m.provider,
+            desc: m.description || '',
+          })));
+        }
+      })
+      .catch(() => {});
+  }, []);
+
+  const selected = models.find(m => m.id === value) || models[0];
 
   return (
     <div className={`relative ${className}`}>
@@ -27,7 +46,7 @@ export function ModelSelector({ value, onChange, className = '' }: ModelSelector
         <>
           <div className="fixed inset-0 z-10" onClick={() => setOpen(false)} />
           <div className="absolute right-0 top-full mt-1 z-20 w-64 bg-card border border-border rounded-xl shadow-lg overflow-hidden">
-            {AVAILABLE_MODELS.map(m => (
+            {models.map(m => (
               <button key={m.id} onClick={() => { onChange(m.id); setOpen(false); }}
                 className={`w-full text-left px-4 py-3 hover:bg-accent transition-colors flex items-center gap-3 ${m.id === value ? 'bg-accent' : ''}`}>
                 <span className={`w-2 h-2 rounded-full shrink-0 ${m.id === value ? 'bg-brand-600' : 'bg-muted-foreground/30'}`} />

frontend/src/i18n/locales/en.ts

@@ -1,205 +1,35 @@
 import type { Translations } from './zh'
 
 const en: Translations = {
-  common: {
+  common: { loading: 'Loading...', save: 'Save', cancel: 'Cancel', delete: 'Delete', confirm: 'Confirm', search: 'Search', back: 'Back', login: 'Login', register: 'Register', logout: 'Logout', retry: 'Retry', noData: 'No data', viewAll: 'View all' },
-    loading: 'Loading...',
+  nav: { home: 'Home', courses: 'Courses', prompts: 'Prompts', sandbox: 'AI Sandbox', discover: 'Discover', my: 'My', tools: 'Tools', community: 'Community' },
-    save: 'Save',
+  home: { badge: 'Free AI Learning Community', heroHighlight: 'Empower Everyone', heroRest: 'to Master AI', desc: 'AI knowledge, prompt engineering, sandbox practice & model encyclopedia', startExplore: 'Get Started', freeRegister: 'Register Free', statTopics: 'AI Topics', statPrompts: 'Curated Prompts', statTools: 'AI Tool Reviews', statExplorers: 'Explorers', whyTitle: 'Why Yuzhiran?', whyDesc: 'Four core advantages to master AI fast', featureGuide: 'Guided Learning', featureGuideDesc: 'Content organized by role and scenario', featureSandbox: 'AI Sandbox', featureSandboxDesc: 'Built-in AI sandbox to learn by doing', featurePrompts: 'Prompt Library', featurePromptsDesc: '200+ curated prompt templates', featureUpdate: 'Always Up-to-date', featureUpdateDesc: 'Content updated as AI evolves', popularTopics: 'Popular Topics', popularDesc: 'From beginner to expert, explore AI systematically', moduleCount: '{n} modules', studentCount: '{n} learners', openSandbox: 'Open Sandbox', ctaTitle: 'Ready to Start Your AI Journey?', ctaDesc: 'Register now and explore everything for free' },
-    cancel: 'Cancel',
+  auth: { loginTitle: 'Login', registerTitle: 'Register', phone: 'Phone', password: 'Password', nickname: 'Nickname', welcomeBack: 'Welcome back', loginSubtitle: 'Log in to continue your AI journey', joinTitle: 'Join Yuzhiran', registerSubtitle: 'Register for free and explore AI', accountPlaceholder: 'Phone / Email', loggingIn: 'Logging in...', nicknameOptional: 'Nickname (optional)', passwordHint: 'Password (min 6 characters)', confirmPassword: 'Confirm password', registering: 'Registering...', agreePrefix: 'By registering, you agree to our', termsOfService: 'Terms of Service', privacyPolicy: 'Privacy Policy', aiAgreement: 'AI Service Agreement', fillAccountAndPassword: 'Please enter account and password', fillPhoneOrEmail: 'Please enter phone or email', fillPassword: 'Please enter password', passwordMinLength: 'Password must be at least 6 characters', passwordsNotMatch: 'Passwords do not match', loginFailed: 'Login failed', registerFailed: 'Registration failed', loginSuccess: 'Login successful', registerSuccess: 'Registration successful' },
-    delete: 'Delete',
+  dashboard: { title: 'My Learning', desc: 'Track your learning progress and stats', inProgressCourses: 'Courses in Progress', completedLessons: 'Lessons Completed', favoritePrompts: 'Favorite Prompts', studyDays: 'Study Days', todayLearned: "Today's Learning", tabProgress: 'Progress', tabFavorites: 'Favorites', tabProfile: 'Profile', noLearningRecords: 'No learning records yet', browseCourses: 'Browse Courses', learningProgress: 'Learning Progress', lessonCount: '{completed}/{total} lessons ({progress}%)', noFavorites: 'No favorite prompts yet', browsePrompts: 'Browse Prompts', profile: 'Profile', nicknameLabel: 'Nickname', nicknamePlaceholder: 'Enter nickname', memberPlan: 'Membership', freeUser: 'Free User', memberExpire: 'Membership Expires', joinDate: 'Joined', saveSuccess: 'Saved successfully', saveFailed: 'Save failed', loadFailed: 'Failed to load data' },
-    confirm: 'Confirm',
+  community: { title: 'Community', desc: 'Share AI learning experiences with others', createPost: '+ New Post', latest: 'Latest', following: 'Following', newPost: 'New Post', postTitle: 'Title', contentPlaceholder: 'Share your AI learning experience...', tagsPlaceholder: 'Tags (comma-separated)', publishing: 'Publishing...', publish: 'Publish', feedEmpty: 'Follow more users to discover great content', postsEmpty: 'No posts yet — be the first!', commentPlaceholder: 'Write a comment...', sending: 'Sending...', comment: 'Comment', followed: 'Following', follow: '+ Follow' },
-    search: 'Search',
+  notifications: { title: 'Notifications', unreadCount: 'You have {n} unread notifications', noUnread: 'No unread notifications', markAllRead: 'Mark all read', markRead: 'Read', emptyTitle: 'No notifications', emptyDesc: 'Likes, comments and follows will appear here' },
-    back: 'Back',
+  my: { desc: 'Manage your profile and favorites', learningProgress: 'Learning Progress', learningProgressDesc: 'View your course progress', favorites: 'My Favorites', favoritesDesc: 'Saved prompts and courses', memberCenter: 'Membership', memberDesc: 'Manage subscription and benefits', settings: 'Settings', settingsDesc: 'Account settings and preferences', analyticsDesc: 'Knowledge mastery analysis based on conversations', pathDesc: 'Master AI skills systematically' },
-    login: 'Login',
+  settings: { title: 'Settings', desc: 'Manage your account preferences', personalInfo: 'Personal Info', nicknameLabel: 'Nickname', emailLabel: 'Email', saveChanges: 'Save Changes', saveSuccess: 'Saved successfully', accountSecurity: 'Account Security' },
-    register: 'Register',
+  myLearning: { back: 'Back', title: 'My Learning', desc: 'Track your course learning progress', empty: 'No courses taken yet', browseCourses: 'Browse Courses', lessonCount: '{completed}/{total} lessons completed' },
-    logout: 'Logout',
+  favorites: { back: 'Back', title: 'My Favorites', desc: 'Saved prompts and courses', empty: 'No favorites yet', browsePrompts: 'Browse Prompts' },
-    retry: 'Retry',
+  courses: { title: 'Courses', desc: 'Explore AI systematically from beginner to expert', empty: 'No courses available', free: 'Free', paid: 'Paid', moduleCount: '{n} modules' },
-    noData: 'No data',
+  search: { title: 'Search Results', placeholder: 'Search courses, prompts, tools, articles...', emptyHint: 'Enter keywords to search', noResults: 'No results found for "{q}"', resultsCount: '{n} results found', groupCourse: 'Courses', groupPrompt: 'Prompts', groupTool: 'AI Tools', groupContent: 'Articles' },
-    viewAll: 'View all',
+  tools: { title: 'AI Tools', desc: 'Curated AI tools to boost your productivity' },
-  },
+  discover: { desc: 'Explore trending content and curated picks', hotCourses: 'Hot Courses', hotPrompts: 'Trending Prompts', hotPosts: 'Popular Discussions' },
-  nav: {
+  footer: { tagline: 'Empowering Everyone to Master AI', explore: 'Explore', about: 'About', aboutUs: 'About Us', privacy: 'Privacy Policy', terms: 'Terms of Service', aiAgreement: 'AI Service Agreement', contact: 'Contact', copyright: '© {year} Yuzhiran Technology Center. All rights reserved.', models: 'Models', aiTools: 'AI Tools', articles: 'Articles', skills: 'Skills' },
-    home: 'Home',
+  models: { title: 'AI Model Encyclopedia', desc: 'Compare mainstream LLMs to find the best fit', tableName: 'Model', tableProvider: 'Provider', tableCapabilities: 'Capabilities', tableContext: 'Context', tableMaxOutput: 'Max Output', tablePricing: 'Pricing', free: 'Free', recommended: 'Recommended', pricingFree: 'Free', pricingMixed: 'Free/Paid', pricingPaid: 'Paid' },
-    courses: 'Courses',
+  error: { title: 'Something went wrong', desc: 'Page failed to load. Please try again.', reload: 'Reload' },
-    prompts: 'Prompts',
+  notFound: { title: '404', desc: 'Page not found', backToHome: 'Back to Home' },
-    sandbox: 'AI Sandbox',
+  share: { missingToken: 'Missing share token', invalidLink: 'Invalid share link', notAvailable: 'Shared content not available', expired: 'This share link may have expired', goToSandbox: 'Go to AI Sandbox', backToSandbox: 'AI Sandbox', modelInfo: 'Model: {model} · {date}' },
-    discover: 'Discover',
+  path: { back: 'Back', totalProgress: 'Total Progress', taskCount: '{completed}/{total} tasks' },
-    my: 'My',
+  sandbox: { title: 'AI Sandbox', subtitle: 'Experience AI conversations online', placeholder: 'Ask me anything...', send: 'Send', sending: 'Sending', newChat: 'New Chat', history: 'History', searchHistory: 'Search history...', noHistory: 'No history', sceneGeneral: 'General', sceneCoding: 'Coding', sceneWriting: 'Writing', sceneStudy: 'Study', sceneEnglish: 'English', modelGeneral: 'General', modelDeepSeek: 'DeepSeek V4 Flash', advancedParams: 'Advanced', temperature: 'Temperature', topP: 'Top P', maxTokens: 'Max Tokens', helpful: 'Helpful', notHelpful: 'Not Helpful', runInCodeSandbox: 'Run in Code Sandbox', shareToCommunity: 'Share to Community', copyShareLink: 'Copy Link', linkCopied: 'Link copied', loginForMore: 'Login for more', dailyQuota: 'Used {used} today, {remaining} remaining', aiReplyDisclaimer: 'AI replies are for reference only.', loginForMoreQuota: 'Login for more daily quota and models.', justNow: 'just now', minutesAgo: '{n}m ago', hoursAgo: '{n}h ago' },
-    tools: 'Tools',
+  learning: { analytics: 'Learning Analytics', analyticsDesc: 'Analyze your learning based on AI conversations', path: 'Learning Path', pathDesc: 'Master AI skills systematically', totalSessions: 'AI Sessions', domainsCovered: 'Domains Covered', avgMastery: 'Avg Mastery', knowledgeDomains: 'Knowledge Domains', weakAreas: 'Weak Areas', weakDesc: 'Consider strengthening these areas:', recommendations: 'Recommendations', recDesc: 'Based on your weak areas', toStrengthen: 'To Strengthen', conversations: '{count} conversations', clickToGo: 'Go' },
-    community: 'Community',
+  member: { title: 'Membership', desc: 'Manage your subscription', currentPlan: 'Current Plan', freeUser: 'You are on the Free plan', monthly: 'Monthly', yearly: 'Yearly', monthlyPrice: '¥29.9/month', yearlyPrice: '¥199/year', expires: 'Expires: {date}', benefits: 'All courses + unlimited sandbox + premium prompts + ad-free', orderHistory: 'Order History', noOrders: 'No orders yet', processing: 'Processing...', planFree: 'Free', planMonthly: 'Monthly', planYearly: 'Yearly', priceMonthly: '¥29.9', priceYearly: '¥199', perMonth: '/mo', perYear: '/yr', popular: 'Popular', featureSandbox: 'AI Sandbox', featureSandboxFree: '10/day', featureSandboxPro: '100/day', featureSandboxUnlimited: 'Unlimited', featureModels: 'Models', featureModelsFree: '1 model', featureModelsPro: '2 models', featureModelsPremium: 'All models', featurePrompts: 'Prompts', featurePromptsFree: 'Basic', featurePromptsPro: 'All', featurePromptsPremium: 'All + Exclusive', featureCourses: 'Courses', featureCoursesFree: 'Partial', featureCoursesPro: 'All', featureCoursesPremium: 'All', featureAds: 'Ads', featureAdsFree: 'Ads', featureAdsPro: 'Ad-free', featureAdsPremium: 'Ad-free', dailyQuota: 'Daily Quota', used: '{n} used', subscribe: 'Subscribe', currentPlan_badge: 'Current' },
-  },
+  compare: { title: 'Compare Lab', desc: 'Compare how different models respond', placeholder: 'Enter a question or prompt to compare...', startCompare: 'Start Compare', comparing: 'Comparing...', backToSandbox: 'Back to Sandbox', noResponse: 'No response' },
-  sandbox: {
+  codeSandbox: { title: 'Code Sandbox', run: 'Run', runShortcut: 'Run (⌘⏎)', template: 'Template...', blank: 'Blank', react: 'React (CDN)', chart: 'Chart (Chart.js)', three: '3D (Three.js)', console: 'Console' },
-    title: 'AI Sandbox',
+  skills: { title: 'Skills', desc: 'Composable AI learning skill modules', search: 'Search skills...', allCategories: 'All Categories', allDifficulties: 'All Levels', beginner: 'Beginner', intermediate: 'Intermediate', advanced: 'Advanced', tasks: 'Practice Tasks', starters: 'Try These', prerequisites: 'Prerequisites', apply: 'Use This Skill', categories: { basic: 'Basic', technical: 'Technical', creative: 'Creative', education: 'Education', advanced: 'Advanced', career: 'Career' } },
-    subtitle: 'Experience AI conversations online, learn by doing',
+  promptWorkshop: { title: 'Prompt Workshop', desc: 'Write, test, and optimize your prompts', editor: 'Prompt Editor', test: 'Test Prompt', testing: 'Testing...', clear: 'Clear', saveToLibrary: 'Save to Library', saveSuccess: 'Saved successfully!', variables: 'Variables', role: 'Role', task: 'Task', outputFormat: 'Output Format', constraints: 'Constraints', insert: 'Insert', testResult: 'Test Result', saveDialogTitle: 'Save Prompt', saveTitle: 'Title *', saveDesc: 'Description', saveTags: 'Tags', saveTagsPlaceholder: 'e.g. programming,Python,debug', saving: 'Saving...' },
-    placeholder: 'Type your question...',
+  assistant: { title: 'AI Assistant', greeting: 'Hi! I can help you explore and use this site. Try asking:', placeholder: 'Ask me anything...', error: 'Error: {message}', loginPrompt: '📝 Log in to unlock the full AI experience.\n\nClick "Login" or "Register" in the top right corner.' },
-    send: 'Send',
-    sending: 'Sending...',
-    newChat: 'New Chat',
-    history: 'History',
-    searchHistory: 'Search history...',
-    noHistory: 'No history yet',
-    sceneGeneral: 'General',
-    sceneCoding: 'Coding',
-    sceneWriting: 'Writing',
-    sceneStudy: 'Study',
-    sceneEnglish: 'English',
-    modelGeneral: 'General',
-    modelDeepSeek: 'DeepSeek V4 Flash',
-    advancedParams: 'Advanced',
-    temperature: 'Temperature',
-    topP: 'Top P',
-    maxTokens: 'Max Tokens',
-    helpful: 'Helpful',
-    notHelpful: 'Not helpful',
-    runInCodeSandbox: 'Run in Code Sandbox',
-    shareToCommunity: 'Share to Community',
-    copyShareLink: 'Copy Share Link',
-    linkCopied: 'Link copied',
-    loginForMore: 'Login for more',
-    dailyQuota: '{used} used today, {remaining} remaining',
-    aiReplyDisclaimer: 'AI replies are for reference only.',
-    loginForMoreQuota: 'Login to get more usage and models.',
-    justNow: 'just now',
-    minutesAgo: '{n} min ago',
-    hoursAgo: '{n} hour ago',
-  },
-  auth: {
-    loginTitle: 'Login',
-    registerTitle: 'Register',
-    phone: 'Phone',
-    password: 'Password',
-    nickname: 'Nickname',
-  },
-  learning: {
-    analytics: 'Learning Analytics',
-    analyticsDesc: 'Analyze your learning progress from AI sandbox conversations',
-    path: 'Learning Path',
-    pathDesc: 'Master AI skills systematically, step by step',
-    totalSessions: 'AI Conversations',
-    domainsCovered: 'Domains Covered',
-    avgMastery: 'Avg Mastery',
-    knowledgeDomains: 'Knowledge Domains',
-    weakAreas: 'Weak Areas',
-    weakDesc: 'You have less engagement in these areas. Consider strengthening:',
-    recommendations: 'Recommendations',
-    recDesc: 'Based on your weak areas, we recommend:',
-    toStrengthen: 'Needs work',
-    conversations: '{count} conversations',
-    clickToGo: 'Click to visit',
-  },
-  member: {
-    title: 'Membership',
-    desc: 'Manage your subscription',
-    currentPlan: 'Current Plan',
-    freeUser: 'You are on the free plan',
-    monthly: 'Monthly',
-    yearly: 'Yearly',
-    monthlyPrice: 'Subscribe ¥29.9/month',
-    yearlyPrice: 'Subscribe ¥199/year',
-    expires: 'Expires: {date}',
-    benefits: 'All courses + unlimited sandbox + exclusive prompts + ad-free',
-    orderHistory: 'Order History',
-    noOrders: 'No orders yet',
-    processing: 'Processing...',
-    planFree: 'Free',
-    planMonthly: 'Monthly',
-    planYearly: 'Yearly',
-    priceMonthly: '¥29.9',
-    priceYearly: '¥199',
-    perMonth: '/mo',
-    perYear: '/yr',
-    popular: 'Most Popular',
-    featureSandbox: 'AI Sandbox',
-    featureSandboxFree: '10/day',
-    featureSandboxPro: '100/day',
-    featureSandboxUnlimited: 'Unlimited',
-    featureModels: 'Models',
-    featureModelsFree: '1 model',
-    featureModelsPro: '2 models',
-    featureModelsPremium: 'All models',
-    featurePrompts: 'Prompts',
-    featurePromptsFree: 'Basic',
-    featurePromptsPro: 'All',
-    featurePromptsPremium: 'All + Exclusive',
-    featureCourses: 'Courses',
-    featureCoursesFree: 'Some free',
-    featureCoursesPro: 'All',
-    featureCoursesPremium: 'All',
-    featureAds: 'Ads',
-    featureAdsFree: 'Yes',
-    featureAdsPro: 'Ad-free',
-    featureAdsPremium: 'Ad-free',
-    dailyQuota: 'Daily Quota Usage',
-    used: '{n} used',
-    subscribe: 'Subscribe',
-    currentPlan_badge: 'Current Plan',
-  },
-  compare: {
-    title: 'Compare Lab',
-    desc: 'Compare model responses side by side',
-    placeholder: 'Enter your prompt to compare...',
-    startCompare: 'Compare',
-    comparing: 'Comparing...',
-  },
-  codeSandbox: {
-    title: 'Code Sandbox',
-    run: 'Run',
-    runShortcut: 'Run (⌘⏎)',
-    template: 'Template...',
-    blank: 'Blank',
-    react: 'React (CDN)',
-    chart: 'Chart.js',
-    three: 'Three.js',
-    console: 'Console Output',
-  },
-  skills: {
-    title: 'Skill Library',
-    desc: 'Composable AI learning skill modules',
-    search: 'Search skills...',
-    allCategories: 'All Categories',
-    allDifficulties: 'All Levels',
-    beginner: 'Beginner',
-    intermediate: 'Intermediate',
-    advanced: 'Advanced',
-    tasks: 'Practice Tasks',
-    starters: 'Try these questions',
-    prerequisites: 'Prerequisites',
-    apply: 'Use this skill',
-    categories: {
-      basic: 'Basic',
-      technical: 'Technical',
-      creative: 'Creative',
-      education: 'Education',
-      advanced: 'Advanced',
-      career: 'Career',
-    },
-  },
-  promptWorkshop: {
-    title: 'Prompt Workshop',
-    desc: 'Write, test, and optimize your prompts',
-    editor: 'Prompt Editor',
-    test: 'Test Prompt',
-    testing: 'Testing...',
-    clear: 'Clear',
-    saveToLibrary: 'Save to Library',
-    saveSuccess: 'Saved!',
-    variables: 'Variables',
-    role: 'Role',
-    task: 'Task',
-    outputFormat: 'Output Format',
-    constraints: 'Constraints',
-    insert: 'Insert',
-    testResult: 'Test Result',
-    saveDialogTitle: 'Save Prompt',
-    saveTitle: 'Title *',
-    saveDesc: 'Description',
-    saveTags: 'Tags',
-    saveTagsPlaceholder: 'Separate by commas, e.g. coding,Python,debug',
-    saving: 'Saving...',
-  },
-  assistant: {
-    title: 'AI Assistant',
-    greeting: 'Hi! I\'m the Yuzhiran AI assistant. I can help you learn about and use this site. Try asking:',
-    placeholder: 'Type your question...',
-  },
 }
 
 export default en

frontend/src/i18n/locales/zh.ts

@@ -1,203 +1,33 @@
 const zh = {
-  common: {
+  common: { loading: '加载中...', save: '保存', cancel: '取消', delete: '删除', confirm: '确认', search: '搜索', back: '返回', login: '登录', register: '注册', logout: '退出登录', retry: '重试', noData: '暂无数据', viewAll: '查看全部' },
-    loading: '加载中...',
+  nav: { home: '首页', courses: '课程', prompts: '提示词库', sandbox: 'AI 沙盒', discover: '发现', my: '我的', tools: '工具', community: '社区' },
-    save: '保存',
+  home: { badge: '免费 AI 知识社区', heroHighlight: '让每个人', heroRest: '都能用好 AI', desc: '涵盖 AI 通识、提示词工程、沙盒实战、模型百科', startExplore: '开始探索', freeRegister: '免费注册', statTopics: 'AI 专题', statPrompts: '精选提示词', statTools: 'AI 工具评测', statExplorers: '探索者', whyTitle: '为什么选择宇之然？', whyDesc: '四大核心优势，助你快速掌握 AI', featureGuide: '分领域指南', featureGuideDesc: '按职业和场景分类内容，学即所用', featureSandbox: 'AI 沙盒实战', featureSandboxDesc: '内置 AI 对话沙盒，边学边练', featurePrompts: '提示词库', featurePromptsDesc: '精选 200+ 提示词模板', featureUpdate: '持续更新', featureUpdateDesc: '紧跟大模型迭代，内容实时更新', popularTopics: '热门专题', popularDesc: '从入门到精通，系统探索 AI', moduleCount: '{n} 模块', studentCount: '{n} 人关注', openSandbox: '打开沙盒', ctaTitle: '准备好开启 AI 之旅了吗？', ctaDesc: '立即注册，免费探索所有内容' },
-    cancel: '取消',
+  auth: { loginTitle: '登录', registerTitle: '注册', phone: '手机号', password: '密码', nickname: '昵称', welcomeBack: '欢迎回来', loginSubtitle: '登录继续你的 AI 探索之旅', joinTitle: '加入宇之然', registerSubtitle: '免费注册，开始探索 AI', accountPlaceholder: '手机号 / 邮箱', loggingIn: '登录中...', nicknameOptional: '昵称（选填）', passwordHint: '密码（至少 6 位）', confirmPassword: '确认密码', registering: '注册中...', agreePrefix: '注册即表示同意', termsOfService: '服务协议', privacyPolicy: '隐私政策', aiAgreement: 'AI 服务协议', fillAccountAndPassword: '请填写账号和密码', fillPhoneOrEmail: '请填写手机号或邮箱', fillPassword: '请填写密码', passwordMinLength: '密码至少 6 位', passwordsNotMatch: '两次密码不一致', loginFailed: '登录失败', registerFailed: '注册失败', loginSuccess: '登录成功', registerSuccess: '注册成功' },
-    delete: '删除',
+  dashboard: { title: '我的学习', desc: '掌握你的学习进度和统计', inProgressCourses: '学习中课程', completedLessons: '已完成课时', favoritePrompts: '收藏提示词', studyDays: '学习天数', todayLearned: '今日学习', tabProgress: '学习进度', tabFavorites: '收藏夹', tabProfile: '个人设置', noLearningRecords: '还没有学习记录', browseCourses: '浏览课程', learningProgress: '学习进度', lessonCount: '{completed}/{total} 课时 ({progress}%)', noFavorites: '还没有收藏的提示词', browsePrompts: '浏览提示词', profile: '个人资料', nicknameLabel: '昵称', nicknamePlaceholder: '输入昵称', memberPlan: '会员计划', freeUser: '免费用户', memberExpire: '会员到期', joinDate: '注册时间', saveSuccess: '保存成功', saveFailed: '保存失败', loadFailed: '加载数据失败' },
-    confirm: '确认',
+  community: { title: '社区', desc: '与 AI 学习者交流心得', createPost: '+ 发帖', latest: '最新', following: '关注', newPost: '发布新帖', postTitle: '标题', contentPlaceholder: '分享你的 AI 学习心得、实战经验...', tagsPlaceholder: '标签（逗号分隔）', publishing: '发布中...', publish: '发布', feedEmpty: '关注更多用户，发现精彩内容', postsEmpty: '还没有帖子，来发第一帖吧！', commentPlaceholder: '写下你的评论...', sending: '发送中...', comment: '评论', followed: '已关注', follow: '+ 关注' },
-    search: '搜索',
+  notifications: { title: '通知', unreadCount: '你有 {n} 条未读通知', noUnread: '暂无未读通知', markAllRead: '全部已读', markRead: '已读', emptyTitle: '暂无通知', emptyDesc: '点赞、评论或关注你的人会出现在这里' },
-    back: '返回',
+  my: { desc: '管理你的个人信息和收藏', learningProgress: '学习进度', learningProgressDesc: '查看你的课程学习进度', favorites: '我的收藏', favoritesDesc: '提示词、课程等收藏内容', memberCenter: '会员中心', memberDesc: '管理会员订阅和权益', settings: '设置', settingsDesc: '账号设置和安全偏好', analyticsDesc: '基于对话的知识掌握度分析', pathDesc: '分阶段系统掌握 AI 技能' },
-    login: '登录',
+  settings: { title: '设置', desc: '管理你的账号偏好', personalInfo: '个人信息', nicknameLabel: '昵称', emailLabel: '邮箱', saveChanges: '保存修改', saveSuccess: '保存成功', accountSecurity: '账号安全' },
-    register: '注册',
+  myLearning: { back: '返回我的', title: '学习进度', desc: '跟踪你的课程学习进度', empty: '还没有学习任何课程', browseCourses: '去选课', lessonCount: '已完成 {completed}/{total} 课时' },
-    logout: '退出登录',
+  favorites: { back: '返回我的', title: '我的收藏', desc: '收藏的提示词和课程内容', empty: '还没有收藏任何内容', browsePrompts: '浏览提示词' },
-    retry: '重试',
+  courses: { title: '专题', desc: '系统化探索 AI，从入门到精通', empty: '暂无专题内容', free: '免费', paid: '付费', moduleCount: '{n} 模块' },
-    noData: '暂无数据',
+  search: { title: '搜索结果', placeholder: '搜索专题、提示词、工具、文章...', emptyHint: '输入关键词搜索', noResults: '未找到与 "{q}" 相关的结果', resultsCount: '找到 {n} 个结果', groupCourse: '专题', groupPrompt: '提示词', groupTool: 'AI 工具', groupContent: '文章' },
-    viewAll: '查看全部',
+  tools: { title: 'AI 工具库', desc: '收录优质 AI 工具，助力工作效率提升' },
-  },
+  discover: { desc: '探索热门内容和精选推荐', hotCourses: '热门课程', hotPrompts: '热门提示词', hotPosts: '热门讨论' },
-  nav: {
+  footer: { tagline: '让每个人都能用好 AI', explore: '探索', about: '关于', aboutUs: '关于我们', privacy: '隐私政策', terms: '服务协议', aiAgreement: 'AI 服务协议', contact: '联系方式', copyright: '© {year} 北京宇之然科技中心 版权所有', models: '模型百科', aiTools: 'AI 工具', articles: '文章', skills: '技能' },
-    home: '首页',
+  models: { title: 'AI 模型百科', desc: '收录主流大语言模型，全面对比各项参数', tableName: '模型名称', tableProvider: '提供商', tableCapabilities: '能力', tableContext: '上下文', tableMaxOutput: '最大输出', tablePricing: '价格', free: '免费', recommended: '推荐', pricingFree: '免费', pricingMixed: '免费/付费', pricingPaid: '付费' },
-    courses: '课程',
+  error: { title: '出错了', desc: '页面加载失败，请稍后重试', reload: '重新加载' },
-    prompts: '提示词库',
+  notFound: { title: '404', desc: '页面未找到', backToHome: '返回首页' },
-    sandbox: 'AI 沙盒',
+  share: { missingToken: '缺少分享参数', invalidLink: '分享链接无效', notAvailable: '分享内容不可用', expired: '该分享链接可能已过期或不存在', goToSandbox: '前往 AI 沙盒', backToSandbox: 'AI 沙盒', modelInfo: '模型: {model} · {date}' },
-    discover: '发现',
+  path: { back: '返回我的', totalProgress: '总进度', taskCount: '{completed}/{total} 任务' },
-    my: '我的',
+  sandbox: { title: 'AI 沙盒', subtitle: '在线体验 AI 对话，边学边练', placeholder: '输入你的问题...', send: '发送', sending: '发送中', newChat: '新对话', history: '历史记录', searchHistory: '搜索历史...', noHistory: '暂无历史记录', sceneGeneral: '通用对话', sceneCoding: '编程助手', sceneWriting: '写作助手', sceneStudy: '学习辅导', sceneEnglish: '英语学习', modelGeneral: '通用模式', modelDeepSeek: 'DeepSeek V4 Flash', advancedParams: '高级参数', temperature: 'Temperature', topP: 'Top P', maxTokens: 'Max Tokens', helpful: '有用', notHelpful: '没用', runInCodeSandbox: '在代码沙盒中运行', shareToCommunity: '分享到社区', copyShareLink: '复制分享链接', linkCopied: '链接已复制', loginForMore: '登录使用更多', dailyQuota: '今日已用 {used} 次，剩余 {remaining} 次', aiReplyDisclaimer: 'AI 回复由人工智能生成，仅供参考。', loginForMoreQuota: '登录后可获得更多使用次数和更多模型选择。', justNow: '刚刚', minutesAgo: '{n} 分钟前', hoursAgo: '{n} 小时前' },
-    tools: '工具',
+  learning: { analytics: '学情分析', analyticsDesc: '基于 AI 沙盒对话分析你的学习情况', path: '学习路径', pathDesc: '从入门到精通，系统掌握 AI 技能', totalSessions: 'AI 对话次数', domainsCovered: '涉及知识领域', avgMastery: '平均掌握度', knowledgeDomains: '知识领域覆盖', weakAreas: '薄弱环节', weakDesc: '以下领域你较少涉及，建议加强学习：', recommendations: '推荐学习', recDesc: '根据你的薄弱环节推荐以下内容', toStrengthen: '待加强', conversations: '{count} 次对话', clickToGo: '点击前往' },
-    community: '社区',
+  member: { title: '会员中心', desc: '管理你的会员订阅', currentPlan: '当前会员', freeUser: '你当前是免费用户', monthly: '月卡会员', yearly: '年卡会员', monthlyPrice: '开通月卡 ¥29.9/月', yearlyPrice: '开通年卡 ¥199/年', expires: '到期时间：{date}', benefits: '会员权益：全部课程 + 不限次沙箱 + 专属提示词库 + 去广告', orderHistory: '订单记录', noOrders: '暂无订单记录', processing: '处理中...', planFree: '免费', planMonthly: '月卡', planYearly: '年卡', priceMonthly: '¥29.9', priceYearly: '¥199', perMonth: '/月', perYear: '/年', popular: '最受欢迎', featureSandbox: 'AI 沙盒', featureSandboxFree: '10 次/日', featureSandboxPro: '100 次/日', featureSandboxUnlimited: '不限次', featureModels: '模型选择', featureModelsFree: '1 个模型', featureModelsPro: '2 个模型', featureModelsPremium: '全部模型', featurePrompts: '提示词库', featurePromptsFree: '基础', featurePromptsPro: '全部', featurePromptsPremium: '全部 + 专属', featureCourses: '课程学习', featureCoursesFree: '部分免费', featureCoursesPro: '全部', featureCoursesPremium: '全部', featureAds: '广告', featureAdsFree: '有广告', featureAdsPro: '去广告', featureAdsPremium: '去广告', dailyQuota: '日配额用量', used: '已用 {n} 次', subscribe: '开通', currentPlan_badge: '当前方案' },
-  },
+  compare: { title: '对比实验室', desc: '同题对比不同模型的表现', placeholder: '输入你想对比的问题或提示词...', startCompare: '开始对比', comparing: '对比中...', backToSandbox: '返回沙箱', noResponse: '无响应' },
-  sandbox: {
+  codeSandbox: { title: '代码沙盒', run: '运行', runShortcut: '运行 (⌘⏎)', template: '模板...', blank: '空白', react: 'React (CDN)', chart: '图表 (Chart.js)', three: '3D (Three.js)', console: '控制台输出' },
-    title: 'AI 沙盒',
+  skills: { title: '技能库', desc: '可组合的 AI 学习技能模块', search: '搜索技能...', allCategories: '全部分类', allDifficulties: '全部难度', beginner: '入门', intermediate: '中级', advanced: '高级', tasks: '练习任务', starters: '试试这些问题', prerequisites: '前置技能', apply: '使用此技能', categories: { basic: '基础', technical: '技术', creative: '创意', education: '教育', advanced: '进阶', career: '职业' } },
-    subtitle: '在线体验 AI 对话，边学边练',
+  promptWorkshop: { title: '提示词工坊', desc: '编写、测试、优化你的提示词', editor: '提示词编辑', test: '测试提示词', testing: '测试中...', clear: '清空', saveToLibrary: '保存到提示词库', saveSuccess: '保存成功！', variables: '变量设置', role: '角色', task: '任务', outputFormat: '输出格式', constraints: '约束条件', insert: '插入', testResult: '测试结果', saveDialogTitle: '保存提示词', saveTitle: '标题 *', saveDesc: '描述', saveTags: '标签', saveTagsPlaceholder: '用逗号分隔，如：编程,Python,调试', saving: '保存中...' },
-    placeholder: '输入你的问题...',
+  assistant: { title: 'AI 助手', greeting: '你好！我是宇之然 AI 助手，可以帮你了解和使用本站功能。试试下面的问题：', placeholder: '输入你的问题...', error: '出错啦：{message}', loginPrompt: '📝 登录后可体验完整 AI 对话功能。\n\n点击右上角「登录」或「注册」即可开始使用，解锁 AI 助手的全部能力。' },
-    send: '发送',
-    sending: '发送中',
-    newChat: '新对话',
-    history: '历史记录',
-    searchHistory: '搜索历史...',
-    noHistory: '暂无历史记录',
-    sceneGeneral: '通用对话',
-    sceneCoding: '编程助手',
-    sceneWriting: '写作助手',
-    sceneStudy: '学习辅导',
-    sceneEnglish: '英语学习',
-    modelGeneral: '通用模式',
-    modelDeepSeek: 'DeepSeek V4 Flash',
-    advancedParams: '高级参数',
-    temperature: 'Temperature',
-    topP: 'Top P',
-    maxTokens: 'Max Tokens',
-    helpful: '有用',
-    notHelpful: '没用',
-    runInCodeSandbox: '在代码沙盒中运行',
-    shareToCommunity: '分享到社区',
-    copyShareLink: '复制分享链接',
-    linkCopied: '链接已复制',
-    loginForMore: '登录使用更多',
-    dailyQuota: '今日已用 {used} 次，剩余 {remaining} 次',
-    aiReplyDisclaimer: 'AI 回复由人工智能生成，仅供参考。',
-    loginForMoreQuota: '登录后可获得更多使用次数和更多模型选择。',
-    justNow: '刚刚',
-    minutesAgo: '{n} 分钟前',
-    hoursAgo: '{n} 小时前',
-  },
-  auth: {
-    loginTitle: '登录',
-    registerTitle: '注册',
-    phone: '手机号',
-    password: '密码',
-    nickname: '昵称',
-  },
-  learning: {
-    analytics: '学情分析',
-    analyticsDesc: '基于 AI 沙盒对话分析你的学习情况',
-    path: '学习路径',
-    pathDesc: '从入门到精通，系统掌握 AI 技能',
-    totalSessions: 'AI 对话次数',
-    domainsCovered: '涉及知识领域',
-    avgMastery: '平均掌握度',
-    knowledgeDomains: '知识领域覆盖',
-    weakAreas: '薄弱环节',
-    weakDesc: '以下领域你较少涉及，建议加强学习：',
-    recommendations: '推荐学习',
-    recDesc: '根据你的薄弱环节推荐以下内容',
-    toStrengthen: '待加强',
-    conversations: '{count} 次对话',
-    clickToGo: '点击前往',
-  },
-  member: {
-    title: '会员中心',
-    desc: '管理你的会员订阅',
-    currentPlan: '当前会员',
-    freeUser: '你当前是免费用户',
-    monthly: '月卡会员',
-    yearly: '年卡会员',
-    monthlyPrice: '开通月卡 ¥29.9/月',
-    yearlyPrice: '开通年卡 ¥199/年',
-    expires: '到期时间：{date}',
-    benefits: '会员权益：全部课程 + 不限次沙箱 + 专属提示词库 + 去广告',
-    orderHistory: '订单记录',
-    noOrders: '暂无订单记录',
-    processing: '处理中...',
-    planFree: '免费',
-    planMonthly: '月卡',
-    planYearly: '年卡',
-    priceMonthly: '¥29.9',
-    priceYearly: '¥199',
-    perMonth: '/月',
-    perYear: '/年',
-    popular: '最受欢迎',
-    featureSandbox: 'AI 沙盒',
-    featureSandboxFree: '10 次/日',
-    featureSandboxPro: '100 次/日',
-    featureSandboxUnlimited: '不限次',
-    featureModels: '模型选择',
-    featureModelsFree: '1 个模型',
-    featureModelsPro: '2 个模型',
-    featureModelsPremium: '全部模型',
-    featurePrompts: '提示词库',
-    featurePromptsFree: '基础',
-    featurePromptsPro: '全部',
-    featurePromptsPremium: '全部 + 专属',
-    featureCourses: '课程学习',
-    featureCoursesFree: '部分免费',
-    featureCoursesPro: '全部',
-    featureCoursesPremium: '全部',
-    featureAds: '广告',
-    featureAdsFree: '有广告',
-    featureAdsPro: '去广告',
-    featureAdsPremium: '去广告',
-    dailyQuota: '日配额用量',
-    used: '已用 {n} 次',
-    subscribe: '开通',
-    currentPlan_badge: '当前方案',
-  },
-  compare: {
-    title: '对比实验室',
-    desc: '同题对比不同模型的表现',
-    placeholder: '输入你想对比的问题或提示词...',
-    startCompare: '开始对比',
-    comparing: '对比中...',
-  },
-  codeSandbox: {
-    title: '代码沙盒',
-    run: '运行',
-    runShortcut: '运行 (⌘⏎)',
-    template: '模板...',
-    blank: '空白',
-    react: 'React (CDN)',
-    chart: '图表 (Chart.js)',
-    three: '3D (Three.js)',
-    console: '控制台输出',
-  },
-  skills: {
-    title: '技能库',
-    desc: '可组合的 AI 学习技能模块',
-    search: '搜索技能...',
-    allCategories: '全部分类',
-    allDifficulties: '全部难度',
-    beginner: '入门',
-    intermediate: '中级',
-    advanced: '高级',
-    tasks: '练习任务',
-    starters: '试试这些问题',
-    prerequisites: '前置技能',
-    apply: '使用此技能',
-    categories: {
-      basic: '基础',
-      technical: '技术',
-      creative: '创意',
-      education: '教育',
-      advanced: '进阶',
-      career: '职业',
-    },
-  },
-  promptWorkshop: {
-    title: '提示词工坊',
-    desc: '编写、测试、优化你的提示词',
-    editor: '提示词编辑',
-    test: '测试提示词',
-    testing: '测试中...',
-    clear: '清空',
-    saveToLibrary: '保存到提示词库',
-    saveSuccess: '保存成功！',
-    variables: '变量设置',
-    role: '角色',
-    task: '任务',
-    outputFormat: '输出格式',
-    constraints: '约束条件',
-    insert: '插入',
-    testResult: '测试结果',
-    saveDialogTitle: '保存提示词',
-    saveTitle: '标题 *',
-    saveDesc: '描述',
-    saveTags: '标签',
-    saveTagsPlaceholder: '用逗号分隔，如：编程,Python,调试',
-    saving: '保存中...',
-  },
-  assistant: {
-    title: 'AI 助手',
-    greeting: '你好！我是宇之然 AI 助手，可以帮你了解和使用本站功能。试试下面的问题：',
-    placeholder: '输入你的问题...',
-  },
 }
 
 export type Translations = typeof zh