fix: localize home and split auth setup flow

public/modules/common.js

@@ -1,4 +1,4 @@
-import { redirectToLogin } from './auth-client.js';
+import { redirectToLogin, redirectToSetup } from './auth-client.js';
 
 export function escapeHtml(value) {
   return String(value)
@@ -37,7 +37,11 @@ export async function fetchJson(url, options = {}) {
 
   if (!response.ok) {
     if (response.status === 401 && window.location.pathname !== '/login.html') {
-      redirectToLogin();
+      if (payload.error?.code === 'AUTH_SETUP_REQUIRED') {
+        redirectToSetup();
+      } else {
+        redirectToLogin();
+      }
     }
 
     throw new Error(`${payload.error?.code ?? 'REQUEST_FAILED'}: ${payload.error?.message ?? 'Request failed.'}`);
@@ -87,15 +91,15 @@ export function linkToFile(sourceId, fileId) {
 export function inferEnhancementLabel(source) {
   switch (source?.enhancement?.status) {
     case 'ready':
-      return 'Enhanced';
+      return '已增强';
     case 'running':
-      return 'Running';
+      return '增强中';
     case 'queued':
-      return 'Queued';
+      return '排队中';
     case 'failed':
-      return 'Failed';
+      return '增强失败';
     default:
-      return 'Not ready';
+      return '未增强';
   }
 }
 
@@ -116,7 +120,7 @@ export function inferEnhancementClass(source) {
 export function renderSourceSummaryCard(source, extraActionsHtml = '') {
   const title = escapeHtml(source.displayName || source.originalFilename);
   const originalFilename = escapeHtml(source.originalFilename);
-  const matchedHint = source.matchedBackupName ? 'Task name resolved from Server DB' : 'Task name not mapped yet';
+  const matchedHint = source.matchedBackupName ? '任务名来自 Server DB' : '尚未匹配任务名';
   const progress =
     source.enhancement.totalVolumes > 0
       ? `${source.enhancement.processedVolumes}/${source.enhancement.totalVolumes}`
@@ -127,8 +131,8 @@ export function renderSourceSummaryCard(source, extraActionsHtml = '') {
       <div class="source-main">
         <div>
           <p class="source-name">${title}</p>
-          <p class="source-meta">Database file: ${originalFilename}</p>
-          <p class="source-meta">Source ID: ${escapeHtml(source.id)}</p>
+          <p class="source-meta">数据库文件：${originalFilename}</p>
+          <p class="source-meta">Source ID：${escapeHtml(source.id)}</p>
         </div>
         <span class="status-pill ${inferEnhancementClass(source)}">${inferEnhancementLabel(source)}</span>
       </div>
@@ -137,19 +141,19 @@ export function renderSourceSummaryCard(source, extraActionsHtml = '') {
 
       <div class="card-grid">
         <div class="stat">
-          <span>Uploaded size</span>
+          <span>上传大小</span>
           <strong>${formatBytes(source.fileSize)}</strong>
         </div>
         <div class="stat">
-          <span>Latest snapshot</span>
-          <strong>${escapeHtml(source.latestSnapshot?.timestamp ?? 'None')}</strong>
+          <span>最新快照</span>
+          <strong>${escapeHtml(source.latestSnapshot?.timestamp ?? '无')}</strong>
         </div>
         <div class="stat">
-          <span>Browse</span>
-          <strong>${source.canBrowse ? 'Available' : 'Unavailable'}</strong>
+          <span>目录浏览</span>
+          <strong>${source.canBrowse ? '可用' : '不可用'}</strong>
         </div>
         <div class="stat">
-          <span>Enhancement</span>
+          <span>增强进度</span>
           <strong>${escapeHtml(progress)}</strong>
         </div>
       </div>