Add recovery Excel export and automatic account detection

tests/rendered-html.test.mjs

@@ -13,6 +13,8 @@ test("builds the KOC LOOP product shell", async () => {
   assert.match(adminApp, /KOC LOOP/);
   assert.match(adminApp, /内容分发闭环/);
   assert.match(adminApp, /分发工作台/);
+  assert.match(adminApp, /formatShanghaiToday/);
+  assert.doesNotMatch(adminApp, /7月27日/);
   assert.match(adminApp, /获取KOC领取链接/);
   assert.match(layout, /KOC LOOP｜内容分发闭环/);
   assert.doesNotMatch(adminApp, /codex-preview|Your site is taking shape/);
@@ -114,6 +116,8 @@ test("issues external task links and supports one-to-one note submissions", asyn
   assert.match(partnerRoute, /微信号或手机号/);
   assert.match(partnerRoute, /extractXhsPublishUrl/);
   assert.match(partnerRoute, /小红书长链或短链/);
+  assert.match(partnerRoute, /请填写发布链接/);
+  assert.doesNotMatch(partnerRoute, /请填写发布账号昵称和发布链接/);
   assert.match(partnerRoute, /没有找到领取记录/);
   assert.match(partnerRoute, /publicImageAssets/);
   assert.match(partnerRoute, /withPartnerCors/);
@@ -224,6 +228,28 @@ test("supports task collection schedules and latest public metrics", async () =>
   assert.match(deployConfig, /"crons":\["0 2 \* \* \*"\]/);
 });
 
+test("exports complete task recovery data to Excel with embedded images", async () => {
+  const [adminApp, exportRoute, workbook] = await Promise.all([
+    readFile(new URL("../app/admin-app.tsx", import.meta.url), "utf8"),
+    readFile(new URL("../app/api/recovery-export/route.ts", import.meta.url), "utf8"),
+    readFile(new URL("../lib/recovery-workbook.ts", import.meta.url), "utf8"),
+  ]);
+
+  assert.match(adminApp, /导出全部数据/);
+  assert.match(adminApp, /\/api\/recovery-export/);
+  assert.match(adminApp, /图片和截图已嵌入表格/);
+  assert.match(exportRoute, /小红书昵称/);
+  assert.match(exportRoute, /曝光量-实际（第7天）/);
+  assert.match(exportRoute, /阅读量-实际（第7天）/);
+  assert.match(exportRoute, /publish_screenshot_key/);
+  assert.match(exportRoute, /screenshot_key/);
+  assert.match(exportRoute, /image_assets/);
+  assert.match(exportRoute, /isAdminRequest/);
+  assert.match(workbook, /xl\/drawings\/drawing1\.xml/);
+  assert.match(workbook, /xl\/media\/image/);
+  assert.match(workbook, /oneCellAnchor/);
+});
+
 test("supports anonymous partner delegation without creating a second data flow", async () => {
   const [
     adminApp,