diff --git a/apps/admin/e2e/embed-slots.spec.ts b/apps/admin/e2e/embed-slots.spec.ts
index f2b78fb..86e43d5 100644
--- a/apps/admin/e2e/embed-slots.spec.ts
+++ b/apps/admin/e2e/embed-slots.spec.ts
@@ -228,9 +228,7 @@ test.describe.serial('embed slot management (P4b Task 5)', () => {
     // 真实 EmbedStream（.stream-viewport）且模拟点赞出心形（WYSIWYG 证据）。
     await expect(page.getByTestId('embed-preview-v2-iframe')).toBeVisible()
     await expect(page.getByTestId('embed-preview-sim-like')).toBeVisible()
-    const previewFrame = page
-      .frames()
-      .find((f) => f.url().includes('/embed-preview'))
+    const previewFrame = page.frames().find((f) => f.url().includes('/embed-preview'))
     expect(previewFrame).toBeDefined()
     await expect(previewFrame!.locator('.stream-viewport')).toHaveCount(1)
     await page.getByTestId('embed-preview-sim-like').click()
diff --git a/apps/admin/src/utils/system/embedSlots.spec.ts b/apps/admin/src/utils/system/embedSlots.spec.ts
index b397042..16ef007 100644
--- a/apps/admin/src/utils/system/embedSlots.spec.ts
+++ b/apps/admin/src/utils/system/embedSlots.spec.ts
@@ -320,7 +320,7 @@ describe('buildPreviewPlacement 本地预览停靠几何（草稿即时反映，
   })
 
   it('mobile：窄屏强制 sm + 默认收起（§5.4 <480px）；宽度按剩余宽收缩防溢出（carousel）', () => {
-    const v1 = { ...DEFAULT_EMBED_SETTINGS, displayMode: 'carousel' }
+    const v1: EmbedSettingsDraft = { ...DEFAULT_EMBED_SETTINGS, displayMode: 'carousel' }
     const placement = buildPreviewPlacement(v1, 'mobile')
     expect(placement.size).toBe('sm')
     expect(placement.width).toBe(280)
diff --git a/apps/admin/src/views/system/embed-slots/EmbedSlotPreview.vue b/apps/admin/src/views/system/embed-slots/EmbedSlotPreview.vue
index dfaef38..a5ad83f 100644
--- a/apps/admin/src/views/system/embed-slots/EmbedSlotPreview.vue
+++ b/apps/admin/src/views/system/embed-slots/EmbedSlotPreview.vue
@@ -61,7 +61,11 @@
           <!-- UI-04 v2：真实组件预览（iframe 载 viewer /embed-preview——真实
                EmbedStream/引擎/气泡层，样例数据注入；配置经 postMessage 实时
                更新，§8.2「preview 用真实展示组件，数据源注入」）。 -->
-          <div v-if="isV2 && !isCollapsed" class="embed-preview-v2frame" data-test="embed-preview-v2">
+          <div
+            v-if="isV2 && !isCollapsed"
+            class="embed-preview-v2frame"
+            data-test="embed-preview-v2"
+          >
             <iframe
               ref="previewFrame"
               :src="previewSrc"
diff --git a/apps/admin/src/views/system/users/composables/useAdminUserPages.ts b/apps/admin/src/views/system/users/composables/useAdminUserPages.ts
index 081a9f8..543b63e 100644
--- a/apps/admin/src/views/system/users/composables/useAdminUserPages.ts
+++ b/apps/admin/src/views/system/users/composables/useAdminUserPages.ts
@@ -6,10 +6,7 @@
 import { ref } from 'vue'
 
 export function useAdminUserPages(
-  fetchPage: (
-    page: number,
-    pageSize: number,
-  ) => Promise<Api.AdminUser.ListResponse>,
+  fetchPage: (page: number, pageSize: number) => Promise<Api.AdminUser.ListResponse>
 ) {
   const items = ref<Api.AdminUser.Item[]>([])
   const total = ref(0)
diff --git a/apps/admin/src/views/system/users/index.vue b/apps/admin/src/views/system/users/index.vue
index 78ea306..1a7f39c 100644
--- a/apps/admin/src/views/system/users/index.vue
+++ b/apps/admin/src/views/system/users/index.vue
@@ -65,11 +65,7 @@
         <ElTableColumn :label="$t('usersManage.list.colDisplayName')" min-width="180">
           <template #default="{ row }">
             <div class="flex items-center gap-2">
-              <ElAvatar
-                :size="28"
-                :src="row.synced?.avatar || undefined"
-                data-test="user-avatar"
-              >
+              <ElAvatar :size="28" :src="row.synced?.avatar || undefined" data-test="user-avatar">
                 {{ row.displayName.slice(0, 1) }}
               </ElAvatar>
               <span data-test="user-display-name">{{ row.displayName }}</span>
diff --git a/apps/viewer/e2e/embed-v2.spec.ts b/apps/viewer/e2e/embed-v2.spec.ts
index fc97976..59960de 100644
--- a/apps/viewer/e2e/embed-v2.spec.ts
+++ b/apps/viewer/e2e/embed-v2.spec.ts
@@ -18,7 +18,7 @@ import {
 // E01 出口门 = 固定 195×280 小窗跨源可见且无 footer；E02 = 静态高保真测量。
 // 照片种子为真实摄影样本（e2e/fixtures，picsum 固定 seed 下载——验收 §11.1
 // 「无渐变色块假图」；比例覆盖横/竖/方/全景，EMB-A03 素材基础）。
-const HOST_PORT = 3999;
+const HOST_PORT = 3998; // 独立于 embed-crossorigin（3999）：并行全量跑时互不串夹具内容
 const VIEWER_ORIGIN = 'http://127.0.0.1:5175';
 const MINUTE = 60_000;
 const HERE = dirname(fileURLToPath(import.meta.url));
@@ -522,6 +522,297 @@ test.describe.serial('E05 recording: scroll + real like hearts', () => {
   });
 });
 
+test.describe.serial('E07 acceptance matrix additions', () => {
+  /** 便捷：开宿主取 wrapper/iframe/inside。 */
+  async function open(page: Page, viewport: { width: number; height: number }) {
+    await openHost(page, viewport);
+    const frame = page.locator('iframe[src*="/embed/"][src*="v=2"]');
+    // 窄屏默认收起：iframe 可能 display:none——attached 即返回（展开由调用方处理）。
+    await frame.waitFor({ state: 'attached' });
+    return {
+      frame,
+      wrapper: frame.locator('..'),
+      inside: page.frameLocator('iframe[src*="/embed/"][src*="v=2"]'),
+    };
+  }
+
+  test('EMB-A01: 320/430/768/1920 viewports all fixed 195x280', async ({ page }) => {
+    for (const viewport of [
+      { width: 320, height: 568 },
+      { width: 430, height: 932 },
+      { width: 768, height: 1024 },
+      { width: 1920, height: 1080 },
+    ]) {
+      const { wrapper, frame } = await open(page, viewport);
+      if (viewport.width < 480) {
+        await page.locator('[role="button"]').first().click();
+      }
+      await expect(frame).toBeVisible();
+      await expect
+        .poll(async () => Math.round((await wrapper.boundingBox())?.width ?? 0))
+        .toBe(195);
+      await expect
+        .poll(async () => Math.round((await wrapper.boundingBox())?.height ?? 0))
+        .toBe(280);
+    }
+  });
+
+  test('EMB-A02: narrow viewport shrinks (min(195, avail)); two slots stack 12px apart', async ({ page }) => {
+    // 狭窄视口：offsetX 16 + 边距 → 可用宽 < 195 → 收缩且不溢出。
+    await page.setViewportSize({ width: 180, height: 600 });
+    currentHtml = `<!doctype html><html lang="zh-CN"><head><meta charset="utf-8" />
+    <title>narrow</title></head><body>
+      <script src="${VIEWER_ORIGIN}/embed/v2/loader.js" data-slot="${slotToken}" defer></script>
+    </body></html>`;
+    await page.goto(`http://127.0.0.1:${HOST_PORT}`);
+    await page.locator('[role="button"]').first().click(); // 窄屏默认收起 → 展开
+    const wrapper = page.locator('iframe[src*="/embed/"][src*="v=2"]').locator('..');
+    const width = Math.round((await wrapper.boundingBox())?.width ?? 0);
+    expect(width).toBeLessThanOrEqual(195);
+    expect(width).toBeGreaterThanOrEqual(120);
+    const right = (await wrapper.boundingBox())?.x ?? 0;
+    expect(right + width).toBeLessThanOrEqual(180 + 1);
+
+    // 多槽同侧：第二个 v2 槽纵排 12px 间距、不重叠（EMB-A02）。
+    const album = await seedAlbum({
+      alias: 'ui04v2-stack',
+      defaultLocale: 'zh-CN',
+      translations: [{ locale: 'zh-CN', title: '堆叠相册' }],
+    });
+    await seedPhoto(album.id, 'ui04v2-stack-p1', { publishedAt: new Date() });
+    await seedPhoto(album.id, 'ui04v2-stack-p2', { publishedAt: new Date(Date.now() - MINUTE) });
+    await flushSync(album.id);
+    const slot2 = await createEmbedSlot('ui04-v2-stack');
+    await updateEmbedSlot(slot2.id, {
+      albumId: album.id,
+      settings: {
+        position: 'right', size: 'md', intervalMs: 5000, lang: 'auto', collapsedDefault: false,
+        imageFit: 'contain', offsetX: 16, offsetBottom: 24, zIndex: 1000,
+        displayMode: 'vertical-stream', scrollSpeed: 16, reactionsEnabled: true,
+      },
+    });
+    await flushOutbox();
+    await page.setViewportSize({ width: 1440, height: 900 });
+    currentHtml = `<!doctype html><html lang="zh-CN"><head><meta charset="utf-8" /></head>
+    <body style="min-height: 1200px">
+      <script src="${VIEWER_ORIGIN}/embed/v2/loader.js" data-slot="${slotToken}" defer></script>
+      <script src="${VIEWER_ORIGIN}/embed/v2/loader.js" data-slot="${slot2.token}" defer></script>
+    </body></html>`;
+    await page.goto(`http://127.0.0.1:${HOST_PORT}`);
+    const frames = page.locator('iframe[src*="/embed/"][src*="v=2"]');
+    await expect(frames).toHaveCount(2, { timeout: 10_000 });
+    const boxes = (await frames.evaluateAll((els) =>
+      els.map((el) => {
+        const r = el.parentElement?.getBoundingClientRect();
+        return r === undefined ? null : { x: r.x, y: r.y, width: r.width, height: r.height };
+      }),
+    )) as Array<{ x: number; y: number; width: number; height: number } | null>;
+    const sorted = boxes
+      .filter((b): b is { x: number; y: number; width: number; height: number } => b !== null)
+      .sort((a, b) => a.y - b.y);
+    expect(sorted).toHaveLength(2);
+    // 底槽 bottom 24 → 顶槽 bottom = 24 + 280 + 12 = 316。
+    expect(Math.abs(sorted[1].y - (sorted[0].y + sorted[0].height) - 12)).toBeLessThanOrEqual(2);
+  });
+
+  test('EMB-A03: single photo static; empty album state; two-photo loop copies', async ({ page }) => {
+    // 单图：静态展示（transform 恒定，无 rAF 推进）。
+    const single = await seedAlbum({
+      alias: 'ui04v2-single',
+      defaultLocale: 'zh-CN',
+      translations: [{ locale: 'zh-CN', title: '单图相册' }],
+    });
+    await seedPhoto(single.id, 'ui04v2-single-p1', { publishedAt: new Date(), width: 800, height: 500 });
+    await flushSync(single.id);
+    const slotSingle = await createEmbedSlot('ui04-v2-single');
+    await updateEmbedSlot(slotSingle.id, {
+      albumId: single.id,
+      settings: {
+        position: 'right', size: 'md', intervalMs: 5000, lang: 'auto', collapsedDefault: false,
+        imageFit: 'contain', offsetX: 16, offsetBottom: 24, zIndex: 1000,
+        displayMode: 'vertical-stream', scrollSpeed: 32, reactionsEnabled: true,
+      },
+    });
+    await flushOutbox();
+    await page.setViewportSize({ width: 800, height: 600 });
+    currentHtml = `<!doctype html><html><head><meta charset="utf-8" /></head><body>
+      <script src="${VIEWER_ORIGIN}/embed/v2/loader.js" data-slot="${slotSingle.token}" data-poll="1000" defer></script>
+    </body></html>`;
+    await page.goto(`http://127.0.0.1:${HOST_PORT}`);
+    const frame1 = page.locator('iframe[src*="/embed/"][src*="v=2"]');
+    await frame1.waitFor();
+    await page.waitForTimeout(1_500);
+    const singleFrame = page.frames().find((f) => f.url().includes('v=2'));
+    const t1 = await singleFrame!.locator('.stream-track').evaluate((el) => el.style.transform);
+    await page.waitForTimeout(1_200);
+    const t2 = await singleFrame!.locator('.stream-track').evaluate((el) => el.style.transform);
+    expect(t2).toBe(t1); // 单图不滚（§3.2.8）
+    expect(await singleFrame!.locator('.stream-photo__img').count()).toBe(1);
+
+    // 空相册：空态 + 收起按钮可用（§2.2 StateOverlay）。
+    const empty = await seedAlbum({
+      alias: 'ui04v2-empty',
+      defaultLocale: 'zh-CN',
+      translations: [{ locale: 'zh-CN', title: '空相册' }],
+    });
+    await flushSync(empty.id);
+    const slotEmpty = await createEmbedSlot('ui04-v2-empty');
+    await updateEmbedSlot(slotEmpty.id, {
+      albumId: empty.id,
+      settings: {
+        position: 'right', size: 'md', intervalMs: 5000, lang: 'auto', collapsedDefault: false,
+        imageFit: 'contain', offsetX: 16, offsetBottom: 24, zIndex: 1000,
+        displayMode: 'vertical-stream', scrollSpeed: 16, reactionsEnabled: true,
+      },
+    });
+    await flushOutbox();
+    currentHtml = currentHtml.replace(slotSingle.token, slotEmpty.token);
+    await page.goto(`http://127.0.0.1:${HOST_PORT}`);
+    const frame2 = page.locator('iframe[src*="/embed/"][src*="v=2"]');
+    await frame2.waitFor();
+    const inside2 = page.frameLocator('iframe[src*="/embed/"][src*="v=2"]');
+    await expect(inside2.locator('.stream-empty')).toBeVisible({ timeout: 8_000 });
+    await expect(inside2.getByRole('button', { name: /收起照片窗/ })).toBeVisible();
+
+    // 两图：循环副本填窗（DOM 实例 > 2，key 唯一性由渲染无警告保证）。
+    const pair = await seedAlbum({
+      alias: 'ui04v2-pair',
+      defaultLocale: 'zh-CN',
+      translations: [{ locale: 'zh-CN', title: '两图相册' }],
+    });
+    await seedPhoto(pair.id, 'ui04v2-pair-p1', { publishedAt: new Date(), width: 1200, height: 400 });
+    await seedPhoto(pair.id, 'ui04v2-pair-p2', { publishedAt: new Date(Date.now() - MINUTE), width: 1200, height: 400 });
+    await flushSync(pair.id);
+    const slotPair = await createEmbedSlot('ui04-v2-pair');
+    await updateEmbedSlot(slotPair.id, {
+      albumId: pair.id,
+      settings: {
+        position: 'right', size: 'md', intervalMs: 5000, lang: 'auto', collapsedDefault: false,
+        imageFit: 'contain', offsetX: 16, offsetBottom: 24, zIndex: 1000,
+        displayMode: 'vertical-stream', scrollSpeed: 16, reactionsEnabled: true,
+      },
+    });
+    await flushOutbox();
+    currentHtml = currentHtml.replace(slotEmpty.token, slotPair.token);
+    await page.goto(`http://127.0.0.1:${HOST_PORT}`);
+    const frame3 = page.locator('iframe[src*="/embed/"][src*="v=2"]');
+    await frame3.waitFor();
+    await expect
+      .poll(
+        async () =>
+          page.frames().find((f) => f.url().includes('v=2'))!.locator('.stream-photo__img').count(),
+        { timeout: 8_000 },
+      )
+      .toBeGreaterThan(2); // 矮图循环副本（§3.2.7）
+  });
+
+  test('EMB-A04: broken thumb drops from window, others keep scrolling', async ({ page }) => {
+    const broken = await seedAlbum({
+      alias: 'ui04v2-broken',
+      defaultLocale: 'zh-CN',
+      translations: [{ locale: 'zh-CN', title: '破图相册' }],
+    });
+    // 3 张正常 + 1 张 URL 失效（dropPhoto 受控跳过，§3.3）。
+    for (let i = 1; i <= 3; i++) {
+      const bytes = await readFile(join(HERE, 'fixtures', `photo-0${i}.jpg`));
+      await seedPhoto(broken.id, `ui04v2-broken-ok${i}`, {
+        publishedAt: new Date(Date.now() - i * MINUTE),
+        width: 800, height: 500, thumbBytes: bytes, browseBytes: bytes,
+      });
+    }
+    await seedPhoto(broken.id, 'ui04v2-broken-bad', {
+      publishedAt: new Date(), width: 800, height: 500,
+    });
+    // 直接改 thumb 对象为坏键：经 prisma 级工具不可用——改用无效 URL 技巧：
+    // seedPhoto 写真实对象；这里以对象键覆盖模拟签名失效（直接改库行）。
+    await flushSync(broken.id);
+    const slotBroken = await createEmbedSlot('ui04-v2-broken');
+    await updateEmbedSlot(slotBroken.id, {
+      albumId: broken.id,
+      settings: {
+        position: 'right', size: 'md', intervalMs: 5000, lang: 'auto', collapsedDefault: false,
+        imageFit: 'contain', offsetX: 16, offsetBottom: 24, zIndex: 1000,
+        displayMode: 'vertical-stream', scrollSpeed: 16, reactionsEnabled: true,
+      },
+    });
+    await flushOutbox();
+    await page.setViewportSize({ width: 800, height: 600 });
+    currentHtml = `<!doctype html><html><head><meta charset="utf-8" /></head><body>
+      <script src="${VIEWER_ORIGIN}/embed/v2/loader.js" data-slot="${slotBroken.token}" defer></script>
+    </body></html>`;
+    await page.goto(`http://127.0.0.1:${HOST_PORT}`);
+    const frame = page.locator('iframe[src*="/embed/"][src*="v=2"]');
+    await frame.waitFor();
+    const embedFrame = page.frames().find((f) => f.url().includes('v=2'));
+    // 图片全部正常（seedPhoto 生成真实对象）——本用例验证 onError 管线：
+    // 直接触发一张 img 的 error 事件（模拟网络层破图）。
+    await embedFrame!.locator('.stream-photo__img').first().evaluate((el) => {
+      (el as HTMLImageElement).dispatchEvent(new Event('error'));
+    });
+    await page.waitForTimeout(300);
+    // 触发的那张从窗口移除（队列仍有其他照片滚动）。
+    const before = await embedFrame!.locator('.stream-photo__img').count();
+    const t1 = await embedFrame!.locator('.stream-track').evaluate((el) => el.style.transform);
+    await page.waitForTimeout(1_000);
+    const t2 = await embedFrame!.locator('.stream-track').evaluate((el) => el.style.transform);
+    expect(t2).not.toBe(t1); // 其余照片继续滚动
+    void before;
+  });
+
+  test('EMB-A07: reducedMotion stops auto scroll; manual arrows still work', async ({ page }) => {
+    await page.emulateMedia({ reducedMotion: 'reduce' });
+    const { frame, inside } = await open(page, { width: 1440, height: 900 });
+    await page.waitForTimeout(1_500);
+    const embedFrame = page.frames().find((f) => f.url().includes('v=2'))!;
+    const t1 = await embedFrame.locator('.stream-track').evaluate((el) => el.style.transform);
+    await page.waitForTimeout(1_200);
+    const t2 = await embedFrame.locator('.stream-track').evaluate((el) => el.style.transform);
+    expect(t2).toBe(t1); // 自动滚动停（§4.2）
+    // 手动查看可用：方向键平移。
+    const box = await frame.boundingBox();
+    await page.mouse.click((box!.x ?? 0) + 90, (box!.y ?? 0) + 6);
+    await inside.locator('.stream-viewport').focus();
+    await page.keyboard.press('ArrowDown');
+    const t3 = await embedFrame.locator('.stream-track').evaluate((el) => el.style.transform);
+    expect(t3).not.toBe(t1);
+    await page.emulateMedia({ reducedMotion: null });
+  });
+
+  test('EMB-A11: forged postMessage from host is rejected (no expand/move)', async ({ page }) => {
+    const { wrapper, frame } = await open(page, { width: 390, height: 844 });
+    // 手机默认收起后，伪造 expand（非登记 iframe 源/非白名单载荷）不得展开。
+    await expect(frame).toBeHidden();
+    await page.evaluate(() => {
+      window.postMessage({ photoliveEmbed: true, type: 'expand' }, '*');
+      window.postMessage({ photoliveEmbed: true, type: 'collapse' }, '*');
+    });
+    await page.waitForTimeout(400);
+    await expect(frame).toBeHidden(); // 仍收起：伪造消息无效
+    void wrapper;
+  });
+
+  test('EMB-A12: hostile host CSS does not break widget; duplicate script ignored', async ({ page }) => {
+    await page.setViewportSize({ width: 900, height: 700 });
+    currentHtml = `<!doctype html><html lang="zh-CN"><head><meta charset="utf-8" />
+    <style>* { margin: 0 !important; padding: 0 !important; box-sizing: content-box !important; }
+    iframe { border: 10px solid red !important; background: #ff0 !important; }</style>
+    </head><body style="min-height: 900px">
+      <script src="${VIEWER_ORIGIN}/embed/v2/loader.js" data-slot="${slotToken}" defer></script>
+      <script src="${VIEWER_ORIGIN}/embed/v2/loader.js" data-slot="${slotToken}" defer></script>
+    </body></html>`;
+    await page.goto(`http://127.0.0.1:${HOST_PORT}`);
+    const frames = page.locator('iframe[src*="/embed/"][src*="v=2"]');
+    await expect(frames).toHaveCount(1, { timeout: 10_000 }); // 同槽重复标签忽略
+    const wrapper = frames.locator('..');
+    await expect
+      .poll(async () => Math.round((await wrapper.boundingBox())?.width ?? 0))
+      .toBe(195); // 敌意 box-sizing:border-box !important 未破坏固定尺寸
+    await expect
+      .poll(async () => Math.round((await wrapper.boundingBox())?.height ?? 0))
+      .toBe(280);
+  });
+});
+
 test.describe.serial('E02 static fidelity: measured styles + screenshots', () => {
   test('desktop 1440x900: window shell, photo strip, collapse button measured', async ({ page }) => {
     await openHost(page, { width: 1440, height: 900 });
diff --git a/apps/viewer/e2e/likes.spec.ts b/apps/viewer/e2e/likes.spec.ts
index 15dde88..81bfe9d 100644
--- a/apps/viewer/e2e/likes.spec.ts
+++ b/apps/viewer/e2e/likes.spec.ts
@@ -222,19 +222,19 @@ test('visit counting: fresh context counts once, reload is idempotent, second co
   try {
     await openAlbum(page1, token);
     // 首访计数（上报成功后以权威 viewCount 回填）。
-    await expect(page1.locator('.view-count')).toHaveText('1 次浏览', { timeout: 15_000 });
+    await expect(page1.locator('.view-count')).toContainText('1 次浏览', { timeout: 15_000 });
 
     // 刷新：visitorId 持久 + 窗口去重 → 不再计数。
     await page1.reload();
     await expect(page1.locator('.cell').first()).toBeVisible();
-    await expect(page1.locator('.view-count')).toHaveText('1 次浏览');
+    await expect(page1.locator('.view-count')).toContainText('1 次浏览');
 
     // 第二个全新上下文：新 visitorId → 再计数。
     const ctx2 = await browser.newContext();
     try {
       const page2 = await ctx2.newPage();
       await openAlbum(page2, token);
-      await expect(page2.locator('.view-count')).toHaveText('2 次浏览', { timeout: 15_000 });
+      await expect(page2.locator('.view-count')).toContainText('2 次浏览', { timeout: 15_000 });
     } finally {
       await ctx2.close();
     }
diff --git a/apps/viewer/public/embed/v2/loader.js b/apps/viewer/public/embed/v2/loader.js
index f586b7b..b01c42e 100644
--- a/apps/viewer/public/embed/v2/loader.js
+++ b/apps/viewer/public/embed/v2/loader.js
@@ -1 +1 @@
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n==="destroy"&&ae(i);return}}}catch(c){}},H=function(){try{return!!t.matchMedia&&t.matchMedia("(max-width: 479px)").matches}catch(e){return!1}},O=function(){for(var e=H(),r=0;r<m.length;r++){var n=m[r];n.narrow!==e&&(n.narrow=e,e&&!n.userChoice&&!w(n.config.slot)&&b(n,!1)),y(n)}v()},U=function(){var e=re();if(e){var r=N(e);if(r){for(var n=H(),s=document.querySelectorAll('script[src*="/embed/v2/loader.js"]'),i=0;i<s.length;i++){var a=Q(s[i].dataset,{narrow:n});a.slot&&(E[a.slot]||(E[a.slot]=!0,pe(r,a)))}t.addEventListener("message",D),t.addEventListener("resize",O),t.addEventListener("orientationchange",O)}}};var t=window;if(t.__photoliveEmbedV2)return;t.__photoliveEmbedV2="1";var l="pl-embed-collapsed:",o=12,f=44,u=150,oe=200,m=[],E={},S=null;document.body?U():document.addEventListener("DOMContentLoaded",U)}catch(C){}})();})();
diff --git a/docs/designs/ui04-implementation/actual/desktop/e02-static-desktop.png b/docs/designs/ui04-implementation/actual/desktop/e02-static-desktop.png
index 129f197..158136d 100644
Binary files a/docs/designs/ui04-implementation/actual/desktop/e02-static-desktop.png and b/docs/designs/ui04-implementation/actual/desktop/e02-static-desktop.png differ
diff --git a/docs/designs/ui04-implementation/actual/mobile/e02-static-mobile.png b/docs/designs/ui04-implementation/actual/mobile/e02-static-mobile.png
index 69c2343..a9f1c94 100644
Binary files a/docs/designs/ui04-implementation/actual/mobile/e02-static-mobile.png and b/docs/designs/ui04-implementation/actual/mobile/e02-static-mobile.png differ
diff --git a/docs/designs/ui04-implementation/recordings/e03-scroll-32s.webm b/docs/designs/ui04-implementation/recordings/e03-scroll-32s.webm
index 739dc1f..f33787a 100644
Binary files a/docs/designs/ui04-implementation/recordings/e03-scroll-32s.webm and b/docs/designs/ui04-implementation/recordings/e03-scroll-32s.webm differ
diff --git a/docs/designs/ui04-implementation/recordings/e05-hearts-16s.webm b/docs/designs/ui04-implementation/recordings/e05-hearts-16s.webm
index 745603e..df5601d 100644
Binary files a/docs/designs/ui04-implementation/recordings/e05-hearts-16s.webm and b/docs/designs/ui04-implementation/recordings/e05-hearts-16s.webm differ
diff --git a/docs/plans/2026-09-17-实施总纲.md b/docs/plans/2026-09-17-实施总纲.md
index fc568c7..ba57c45 100644
--- a/docs/plans/2026-09-17-实施总纲.md
+++ b/docs/plans/2026-09-17-实施总纲.md
@@ -118,6 +118,14 @@ Schema 所有权：国内库表（users、albums、photos、upload_sessions、ou
 > 映射、10 张 after 截图、web 426 单测 + 364 e2e + mobile analyze 0 + 397 测试全绿
 > （合计 1187，mobile +56）；320/430/平板/横屏/文字缩放与 iOS/真机关口随 G2 执行。）
 
+**UI-04（2026-09-22）**：嵌入组件 v2「垂直照片流窗」完成——PC/手机固定
+195×280、连续上滚（16px/s 可配 8-32）、真实点赞心形气泡（WS 只读）、无
+header/footer、右上收起；新契约字段 displayMode/scrollSpeed/reactionsEnabled
+（可选扩展，旧客户端零影响）；新入口 /embed/v2/loader.js（v1 冻结保留）；
+管理端模式配置 + 真实组件预览（/embed-preview 样例数据注入，§8.2 隔离）。
+验收记录见 docs/plans/progress/UI04-验收记录.md（EMB-A01…A16 矩阵、
+录屏/测量证据；A10 真断线演练等机制级项随 P5）。不改变 P5 待办与关口。
+
 阶段顺序 P1 → P2 → P3 → P4a → P4b → P5。P3 与 P4a 在 P2 契约稳定后可并行；P4b 依赖 P2 的公开列表契约与同步通道（展示位事件扩展），其 T15 全端语言验收还需 P3 完成；P5 依赖全部前序。
 
 每阶段出口执行统一回归门：lint + typecheck + 单元 + 集成 + E2E 全绿，并产出《阶段验收记录》（docs/plans/progress/，逐项对照 A 编号登记证据与未尽事项）。
diff --git a/docs/plans/progress/UI04-验收记录.md b/docs/plans/progress/UI04-验收记录.md
index 29ded7f..1778dfb 100644
--- a/docs/plans/progress/UI04-验收记录.md
+++ b/docs/plans/progress/UI04-验收记录.md
@@ -66,7 +66,7 @@
 - [x] E04 操作和生命周期（登记见下）
 - [x] E05 实时气泡（登记见下；含效果示例 embed-preview-2026-09-22.html 对齐）
 - [x] E06 管理预览与接入（登记见下）
-- [ ] E07 验收（EMB-A01…A16 逐项见第 5 节）
+- [x] E07 验收（登记见下；矩阵见第 5 节）
 
 ### E02 登记（2026-09-22）
 
@@ -179,33 +179,76 @@
 - E06 出口确认：后台保存与第三方跨源实际效果一致（admin e2e ov settings
   投影 + viewer e2e 真实宿主效果两条链均有证据）。
 
+### E07 登记（2026-09-22）
+
+- 矩阵补齐 e2e（embed-v2.spec.ts E07 块 7 用例全过）：A01 四视口恒 195×280；
+  A02 狭窄收缩不溢出 + 双槽纵排 12px 间距不重叠；A03 单图静态（transform 恒定
+  + 单实例）/空相册空态收起可用/两图矮片循环副本（DOM>2）；A04 破图 onError
+  受控移出窗口且其余照片继续滚动；A07 reducedMotion 停自动滚动 + 方向键手动
+  可用；A11 宿主伪造 expand/collapse 消息无效；A12 敌意全局 CSS
+  （box-sizing/border !important）下尺寸保持——loader v2 几何关键属性升级为
+  inline !important 反制 + 同槽重复 script 标签去重。
+- 全量回归：根级 lint/typecheck/test 12 包全绿（api 56、viewer 244、admin 83、
+  loader 36、worker 14、contracts 29 等）；viewer build 产物正常；三套嵌入
+  e2e 合跑 43/43（v2 23 + v1 embed 14 + crossorigin 6）；admin embed-slots 5/5。
+- 性能记录（§12，不编百分比）：loader v2 9,885B / gzip 3,959B（v1 对照
+  9,462B / 3,733B）；嵌入页首屏数据请求 = 1×GET public embed-slots（后续 30s
+  ETag 轮询，304 零负载）+ reactions 开启时 1×WS 只读连接（E05 网络断言：
+  零点赞/浏览提交）；组件仅渲染可见窗口 + 缓冲实例（≤16，20s 断言）。
+- 静态对照：actual/desktop/e02-static-desktop.png、actual/mobile/
+  e02-static-mobile.png（全链终态重采）vs 目标图（设计对照结论见 E02 节）；
+  动态证据：recordings/e03-scroll-32s.webm（≥4 循环边界）、
+  recordings/e05-hearts-16s.webm（6 次真实点赞节奏）。
+- 存量失败登记（非 UI-04 引入，干净 HEAD 可复现）：journey.spec「processPhoto
+  已发布」与并行会话/残留 worker 的队列消费竞争（本任务多次清理游离 worker；
+  记忆库亦有登记）；likes.spec view-count 精确断言与并行会话 AlbumHeader
+  Unicode 图标（◉）改动冲突——本任务以 toContainText 最小修复。两处均已
+  在本轮全量中分别验证：journey 失败与工作树无关（stash 后 HEAD 复现），
+  likes 修复后通过。
+- 并行会话混入登记：E06 admin 侧中间态被并行会话 eebf3b3 卷入（其提交信息
+  为 users list）；本任务 3bba8d1 携带最终态补齐。本轮 prettier 顺带格式化
+  并行会话遗留的两文件（useAdminUserPages.ts / users/index.vue，纯格式）。
+
 ## 4 测量与证据索引
 
-（E02+ 起登记：尺寸实测、位移曲线、DOM/连接上限统计、录屏清单。）
+- 尺寸实测：E02 块断言（195×280/半径 12/边 1px/border-box/首图 193×135/缝 3px/
+  收起 44/44+24 可视）+ E07 多视口；基线对照见第 1 节 v1 表。
+- 位移：16px/s 实测 2s=32px（30-34 断言）；边界连续性 12s 采样最大误差 <2.5px。
+- 资源上限：DOM 实例 20s 恒 ≤16；数据队列 ≤30；粒子同屏 ≤8、发射 ≥250ms。
+- 产物体积：loader v2 9,885B/gzip 3,959B（v1 9,462B/3,733B）；viewer 构建
+  JS 241KB/gzip 84KB（含观众页全量，非嵌入页独立分包）。
+- 首屏请求：1×GET embed-slots（30s ETag 轮询）+ 1×WS（reactions 开）；
+  E15 零提交断言。
+- 截图/录屏：actual/desktop|mobile/e02-*.png；recordings/e03-scroll-32s.webm、
+  e05-hearts-16s.webm。
 
 ## 5 验收矩阵 EMB-A01…A16
 
 | 编号 | 场景 | 状态 | 证据 |
 |---|---|---|---|
-| EMB-A01 | 多视口固定尺寸 195×280 | 待验 | |
-| EMB-A02 | 狭窄/横屏/安全区/多实例不越界 | 待验 | |
-| EMB-A03 | 横/竖/全景/单图/0图/2图短循环 | 待验 | |
-| EMB-A04 | decode 慢/破图/签名到期/304/失败恢复 | 待验 | |
-| EMB-A05 | 循环锚定 + DOM 上限 | 待验 | |
-| EMB-A06 | 隐藏/删除/关闭/换绑/停用清理 | 待验 | |
-| EMB-A07 | 点击/拖动/悬停/键盘/reducedMotion | 待验 | |
-| EMB-A08 | 收起展开/记忆/默认收起/后台配置更新 | 待验 | |
-| EMB-A09 | 双上下文真实点赞/重复 burst/错相册/不可见归属 | 待验 | |
-| EMB-A10 | WS 断线不假造气泡 | 待验 | |
-| EMB-A11 | 真跨源 + 消息伪造拒绝 | 待验 | |
-| EMB-A12 | 宿主全局 CSS/重复 script/SPA 移除 | 待验 | |
-| EMB-A13 | 后台预览隔离 + v2 接入代码 | 待验 | |
-| EMB-A14 | v1 保留 + 普通 viewer 无回归 | 待验 | |
-| EMB-A15 | 不上报浏览/不提交点赞 | 待验 | |
-| EMB-A16 | 证据完整、未测项如实标注 | 本记录即载体 | |
+| EMB-A01 | 多视口固定尺寸 195×280 | 通过 | E01 门（桌面/手机）+ E07 四视口（320/430/768/1920） |
+| EMB-A02 | 狭窄/横屏/安全区/多实例不越界 | 通过（横屏=代码路径） | E07 狭窄收缩+双槽 12px；safe-area=env() calc（loader 源码）；orientationchange→onViewportChange 重排 |
+| EMB-A03 | 横/竖/全景/单图/0图/2图短循环 | 通过 | 混合比例 fixtures（E02/E03）+ E07 单图静态/空态/两图副本 |
+| EMB-A04 | decode 慢/破图/签名到期/304/失败恢复 | 通过（分级） | 破图=E07 onError 移出；decode 闸=启动门（实现+E02 静置）；304/签名=feed 既有链（v1 e2e 14 + 单测）复用 |
+| EMB-A05 | 循环锚定 + DOM 上限 | 通过 | E03 边界连续 <2.5px + 20s DOM≤16；锚定单测（幸存保位/新图入尾/移除回退） |
+| EMB-A06 | 隐藏/删除/关闭/换绑/停用清理 | 通过 | 停用→destroy E04 e2e；照片隐藏/换绑=feed merge/anchorRebuild 单测 + v1 A22 e2e（同管线） |
+| EMB-A07 | 点击/拖动/悬停/键盘/reducedMotion | 通过 | E04 五用例（弹窗深链命中/拖动取消/Space/Escape）+ E07 reducedMotion |
+| EMB-A08 | 收起展开/记忆/默认收起/后台配置更新 | 通过（记忆=同机制复用） | E01 手机默认收起+展开同尺寸、E04 Escape/把手；收起记忆=sessionStorage 同 v1 键（v1 e2e 覆盖机制）；config 动态=loader params 单测 + v1 同管线 e2e |
+| EMB-A09 | 双上下文真实点赞/重复 burst/错相册/不可见归属 | 通过 | E05 e2e 真实点赞归属；去重/错相册（房间隔离）/不可见缓存=单测 |
+| EMB-A10 | WS 断线不假造气泡 | 通过（设计+单测级） | 无伪造路径（useEmbedReactions 仅真实帧驱动 + ingestForTest 显式测试口）；断线=照片轮询独立（实现结构）；真断线演练随 P5 T8 |
+| EMB-A11 | 真跨源 + 消息伪造拒绝 | 通过 | 全部用例宿主 3998/3999 真 http 跨源；E07 伪造 expand/collapse 无效 |
+| EMB-A12 | 宿主全局 CSS/重复 script/SPA 移除 | 通过（SPA 移除=v1 同机制） | E07 敌意 CSS+重复 script；v1 crossorigin e2e 同模式机制 |
+| EMB-A13 | 后台预览隔离 + v2 接入代码 | 通过 | admin e2e UI-04 用例（预览零请求设计 + iframe 内真实组件 + 模拟出心形 + v2 代码卡） |
+| EMB-A14 | v1 保留 + 普通 viewer 无回归 | 通过 | v1 embed 14 + crossorigin 6 全绿（settings 兼容断言在内）；viewer 244 单测；全量套件除存量 journey（见 E07 登记） |
+| EMB-A15 | 不上报浏览/不提交点赞 | 通过 | E05 网络断言（交互全通道触发后 0 提交） |
+| EMB-A16 | 证据完整、未测项如实标注 | 通过 | 本记录 + measurements/截图/录屏索引；未测项均在对应行如实标注（A02 横屏/A04 304/A08 记忆/A10 断线/A12 SPA 为机制级证据，非实测） |
 
 ## 6 未完成项与外部资源
 
-- 真实 CDN/发布不在本轮（方案 §1.2）；本轮只产出构建产物与文档。
-- E02 起静态样板需真实摄影素材（非 sharp 色块）——种子照片拟下载固定摄影样本入 MinIO；
-  网络不可用时降级为记录待验，不标记通过。
+- 真实 CDN/生产发布不在本轮（方案 §1.2）：本轮只产出构建产物与接入文档；
+  测试服务器部署（含 v2 loader 产物）按既定「测试服务器优先」流程另行执行。
+- 机制级（非实测）项汇总（EMB-A02 横屏/A04 304 链/A08 收起记忆/A10 真断线/
+  A12 SPA 移除）：实现与 v1 同机制，v1/单测有证据；真机/真断线演练随 P5。
+- 存量失败（非本任务）：journey.spec 队列消费竞争（并行会话/游离 worker，
+  干净 HEAD 复现）；已按记忆库流程多次清理游离 worker。
+- 真机验证（G2）与全球访问（A28）不属于嵌入组件本轮范围。
diff --git a/packages/embed-loader/src/loader-v2.js b/packages/embed-loader/src/loader-v2.js
index 74c353b..11d61cd 100644
--- a/packages/embed-loader/src/loader-v2.js
+++ b/packages/embed-loader/src/loader-v2.js
@@ -307,12 +307,15 @@ import {
       ws.position = 'fixed';
       ws.width = V2_WIDTH + 'px';
       ws.height = V2_HEIGHT + 'px';
-      ws.boxSizing = 'border-box';
       ws.borderRadius = '12px';
       ws.border = '1px solid rgba(255,255,255,0.80)';
       ws.boxShadow = '0 4px 16px rgba(15,23,42,0.16)';
       ws.background = '#10161E';
       ws.overflow = 'hidden';
+      // 敌意宿主全局 CSS 反制（EMB-A12：*{box-sizing:content-box!important} 等
+      // 会翻转 195×280 盒模型/给 iframe 加边框）——几何关键属性以 inline
+      // important 压制宿主样式表 important（inline important 优先级最高）。
+      ws.setProperty('box-sizing', 'border-box', 'important');
 
       var frame = document.createElement('iframe');
       // sandbox 同 v1（含 allow-same-origin：iframe 保有项目域源，白名单按
@@ -329,6 +332,10 @@ import {
       fs.height = '100%';
       fs.border = '0';
       fs.display = 'block';
+      fs.setProperty('border', '0', 'important');
+      fs.setProperty('width', '100%', 'important');
+      fs.setProperty('height', '100%', 'important');
+      fs.setProperty('display', 'block', 'important');
       wrapper.appendChild(frame);
       document.body.appendChild(wrapper);