feat: 邮箱注册验证 + 9项功能修复与优化

【认证系统】
- 新增邮箱验证码注册/登录流程 (sendEmailCode / verifyEmail / forgotPassword / resetPassword)
- register-email 现在需要验证码
- 服务端新增 email_verification_codes 表 + patch-email-verification.js
- App.tsx 登录后 emailVerified 检查提醒
- keyServerClient token 显式传递修复 401 错误

【电商模块】
- 自动推进: 策划完成后自动生成分镜图/视频
- 模特图选项 (性别/年龄/种族/体型/场景) 注入 AI 提示词
- 任务持久化指纹修复 (图片数量替代 blob URL)
- 新增「视频换装」入口 (happyhorse-1.0-video-edit)

【剧本评分】
- 新增 .docx/.doc Word 文档支持 (ZIP解压+XML提取)
- 历史记录支持点击查看/恢复评测结果

【画布】
- ReactFlow 节点禁止内置拖拽避免冲突
- 连接线拖拽弹窗优化 (预览线不消失, 弹窗跟踪鼠标)

【页面修复】
- 首页轮播图改为 aspect-ratio: 16/9 解决尺寸问题
- 资产库新增悬停删除按钮
- scriptEvalClient 改用服务端 /api/ai/chat 端点
- TokenUsagePage 未登录跳过 API 调用

src/App.tsx

@@ -20,6 +20,7 @@ import { reportError } from "./utils/errorReporting";
 import { initNotificationPermission } from "./utils/generationNotifier";
 import PageTransition from "./components/PageTransition";
 import ToastContainer from "./components/toast/ToastContainer";
+import { toast } from "./components/toast/toastStore";
 import { aiGenerationClient } from "./api/aiGenerationClient";
 import { keyServerClient } from "./api/keyServerClient";
 import { notificationClient } from "./api/notificationClient";
@@ -32,8 +33,10 @@ import {
 } from "./api/serverConnection";
 import { webGenerationGateway, type CreatePreviewTaskInput } from "./api/webGenerationGateway";
 import { translateTaskError } from "./utils/translateTaskError";
+import { recoverAndResumeTasks } from "./services/backgroundTaskRunner";
 import AppShell from "./components/AppShell";
 const NotFoundPage = lazy(() => import("./components/NotFoundPage"));
+const CompliancePage = lazy(() => import("./features/compliance/CompliancePage"));
 import { cloneWorkflow, createBlankWorkflow } from "./data/workflows";
 const AgentPage = lazy(() => import("./features/agent/AgentPage"));
 const AssetsPage = lazy(() => import("./features/assets/AssetsPage"));
@@ -56,7 +59,6 @@ const WatermarkRemovalPage = lazy(() => import("./features/watermark-removal/Wat
 const SubtitleRemovalPage = lazy(() => import("./features/subtitle-removal/SubtitleRemovalPage"));
 const ScriptTokensPage = lazy(() => import("./features/script-tokens/ScriptTokensPage"));
 const TokenUsagePage = lazy(() => import("./features/script-tokens/TokenUsagePage"));
-const SettingsPage = lazy(() => import("./features/settings/SettingsPage"));
 const WorkbenchPage = lazy(() => import("./features/workbench/WorkbenchPage"));
 import type { WorkbenchResultActionPayload } from "./features/workbench/WorkbenchPage";
 import {
@@ -103,7 +105,6 @@ const VIEW_KEYS = new Set<WebViewKey>([
   "ecommerce",
   "scriptTokens",
   "tokenUsage",
-  "settings",
   "imageWorkbench",
   "resolutionUpscale",
   "watermarkRemoval",
@@ -116,17 +117,23 @@ const VIEW_KEYS = new Set<WebViewKey>([
   "communityCaseAdd",
   "report",
   "providerHealth",
+  "userAgreement",
+  "privacyPolicy",
   "not-found",
 ]);
 
-const PUBLIC_VIEW_SET = new Set<WebViewKey>(["home", "login", "community", "more", "not-found"]);
+const PUBLIC_VIEW_SET = new Set<WebViewKey>(["home", "login", "community", "more", "userAgreement", "privacyPolicy", "not-found"]);
 
 function normalizeViewKey(rawView: string): WebViewKey {
   const normalized =
     rawView === "profile" || rawView === "auth"
       ? "login"
-      : rawView === "ecommerceHub"
-        ? "ecommerce"
+        : rawView === "ecommerceHub"
+          ? "ecommerce"
+        : rawView === "terms" || rawView === "agreement" || rawView === "user-agreement"
+          ? "userAgreement"
+        : rawView === "privacy" || rawView === "privacy-policy"
+          ? "privacyPolicy"
         : rawView === "community-review"
           ? "communityReview"
           : rawView === "community-case-add"
@@ -321,6 +328,11 @@ function App() {
     }
   }, []); // eslint-disable-line react-hooks/exhaustive-deps
 
+  // ── Recover background tasks on app start ──────────
+  useEffect(() => {
+    recoverAndResumeTasks();
+  }, []);
+
   const navItems = useMemo<WebNavItem[]>(
     () => [
       { key: "home", label: "首页", hint: "项目入口", icon: <HomeOutlined /> },
@@ -838,6 +850,10 @@ function App() {
       setSession(nextSession);
       await hydrateAccountData(nextSession);
 
+      if (nextSession.user.email && !nextSession.user.emailVerified) {
+        toast.info("邮箱尚未验证，部分功能可能受限，请在登录页通过邮箱验证码完成验证");
+      }
+
       const action = pendingAction;
       closeLoginPrompt();
       if (action) {
@@ -1112,8 +1128,6 @@ function App() {
             onSelectView={handleSetView}
           />
         );
-      case "settings":
-        return <SettingsPage />;
       case "imageWorkbench":
         return (
           <ImageWorkbenchPage
@@ -1153,6 +1167,10 @@ function App() {
         return <ReportPage />;
       case "providerHealth":
         return <ProviderHealthPage session={session} onOpenLogin={handleOpenLogin} />;
+      case "userAgreement":
+        return <CompliancePage kind="agreement" />;
+      case "privacyPolicy":
+        return <CompliancePage kind="privacy" />;
       case "communityReview":
         return (
           <CommunityReviewPage