diff --git a/apps/viewer/e2e/embed-v2.spec.ts b/apps/viewer/e2e/embed-v2.spec.ts
index 23aeb81..c584176 100644
--- a/apps/viewer/e2e/embed-v2.spec.ts
+++ b/apps/viewer/e2e/embed-v2.spec.ts
@@ -309,44 +309,24 @@ test.describe.serial('E04 interactions: pause, click lock, keyboard, destroy', (
     expect(after).toBeLessThan(resumedAt); // 恢复滚动（translateY 更负）
   });
 
-  test('photo click opens viewer deep link for the clicked photo (§4.1)', async ({ page }) => {
+  test('photo click opens album page in a new tab (user decision 2026-09-24)', async ({ page }) => {
     await openHost(page, { width: 1440, height: 900 });
     const frame = page.locator('iframe[src*="/embed/"][src*="v=2"]');
     await frame.waitFor();
-
-    // 悬停冻结 + 坐标直击当前命中的照片（.first() 可能已滚出视口——flaky 源）。
+    // 悬停冻结（点击防错图语义下稳定命中）。
     const box = await frame.boundingBox();
-    const cx = (box!.x ?? 0) + 90;
-    const cy = (box!.y ?? 0) + 140;
-    await page.mouse.move(cx, cy);
+    await page.mouse.move((box?.x ?? 0) + 90, (box?.y ?? 0) + 140);
     await page.waitForTimeout(400);
-    const embedFrame0 = page.frames().find((f) => f.url().includes('v=2'));
-    expect(embedFrame0).toBeDefined();
-    const photoId = await embedFrame0!.evaluate(([_x, _y]) => {
-      const el = document.elementFromPoint(_x, _y)?.closest('a.stream-photo');
-      return el?.getAttribute('data-photo-id') ?? '';
-    }, [90, 140] as const);
-    expect(photoId).not.toBe('');
-    // 宿主内弹框（用户决策 2026-09-23）：不新开标签，宿主页覆盖层 + 详情 iframe。
-    let popupOpened = false;
-    page.once('popup', () => {
-      popupOpened = true;
-    });
-    await page.mouse.click(cx, cy);
-    const modalFrame = page.locator('iframe[title="PhotoLive photo detail"]');
-    await modalFrame.waitFor({ timeout: 5000 });
-    expect(popupOpened).toBe(false);
-    await expect
-      .poll(async () => {
-        const f = page.frames().find((fr) => (fr.url().includes('/p/') ?? false));
-        return f?.url() ?? '';
-      })
-      .toContain(`/p/${photoId}`);
-    await page.screenshot({ path: `${OUT_ROOT}/actual/server/photo-modal.png` });
-    await page
-      .locator('button[aria-label*="Close photo detail"], button[aria-label*="关闭照片详情"]')
-      .click();
-    await expect(modalFrame).toHaveCount(0);
+    const popupPromise = page.waitForEvent('popup', { timeout: 6000 });
+    await page.mouse.click((box?.x ?? 0) + 90, (box?.y ?? 0) + 140);
+    const popup = await popupPromise;
+    // 新标签打开的是相册页（/a/:token），不含照片深链 /p/。
+    expect(popup.url()).toMatch(/\/a\/[^/]+\?lang=/);
+    expect(popup.url()).not.toContain('/p/');
+    await popup.close();
+    // 宿主内不出现弹框。
+    await page.waitForTimeout(600);
+    expect(await page.locator('iframe[title="PhotoLive photo detail"]').count()).toBe(0);
   });
 
   test('drag beyond 8px cancels click (§4.1)', async ({ page }) => {
diff --git a/apps/viewer/src/pages/EmbedPage.vue b/apps/viewer/src/pages/EmbedPage.vue
index 8414096..2a472cf 100644
--- a/apps/viewer/src/pages/EmbedPage.vue
+++ b/apps/viewer/src/pages/EmbedPage.vue
@@ -18,7 +18,6 @@ import { useRoute } from 'vue-router';
 import { useI18n } from 'vue-i18n';
 import { useEmbedFeed } from '../embed/useEmbedFeed';
 import { clampEmbedIntervalMs, EMBED_CAROUSEL_DEFAULT_MS } from '../embed/feed';
-import { postEmbedMessage } from '../embed/postMessage';
 import EmbedCarousel from './embed/EmbedCarousel.vue';
 import EmbedStream from './embed/EmbedStream.vue';
 
@@ -118,28 +117,13 @@ const albumUrl = computed(() => {
   return url.toString();
 });
 
-/** v2 照片深链构造器（真实 <a> href；受控打开同 openPhoto）。 */
-function streamPhotoUrl(photoId: string): string {
-  const albumToken = feed.album?.publicToken;
-  const base = albumToken ?? '';
-  const url = new URL(`/a/${encodeURIComponent(base)}/p/${encodeURIComponent(photoId)}`, window.location.origin);
-  url.searchParams.set('lang', feed.resolvedLocale ?? 'zh-CN');
-  return url.toString();
-}
-
-function openPhoto(photoId: string): void {
-  const albumToken = feed.album?.publicToken;
-  if (albumToken === undefined) return;
-  const url = new URL(`/a/${encodeURIComponent(albumToken)}/p/${encodeURIComponent(photoId)}`, window.location.origin);
-  url.searchParams.set('lang', feed.resolvedLocale ?? 'zh-CN');
-  // 宿主内弹框（用户决策 2026-09-23）：有父窗（loader 嵌入）→ postMessage
-  // 由宿主弹框内嵌详情页，不跳出当前网站；无父窗（直接打开/预览）→ 新标签
-  // noopener（sandbox allow-popups-to-escape-sandbox 配合）。
-  if (window.parent !== window) {
-    postEmbedMessage({ photoliveEmbed: true, type: 'open-photo', url: url.toString() });
-    return;
-  }
-  window.open(url, '_blank', 'noopener,noreferrer');
+// 用户决策 2026-09-24：点击照片 → 新标签页打开观众页（相册页），不定位到
+// 具体照片、不在当前页弹框——v1 与 v2 统一该语义（此前的宿主内弹框与照片
+// 深链均退役；loader v2 的 open-photo 弹框逻辑保留但不再被触发）。
+function openPhoto(): void {
+  if (albumUrl.value === null) return;
+  // noopener：新标签页不持有 opener（sandbox allow-popups-to-escape-sandbox 配合）。
+  window.open(albumUrl.value, '_blank', 'noopener,noreferrer');
 }
 </script>
 
@@ -151,7 +135,7 @@ function openPhoto(photoId: string): void {
       :photos="feed.status === 'ready' ? feed.photos : []"
       :album-token="feed.album?.publicToken ?? null"
       :album-title="feed.album?.title ?? ''"
-      :photo-url="streamPhotoUrl"
+      :photo-url="() => albumUrl ?? '#'"
       :speed="streamSpeed"
       :reactions="streamReactions"
       :active="feed.active"