feat(viewer): hide link text under QR in share sheet (user request) — QR + copy button remain

Co-Authored-By: Claude Code <noreply@anthropic.com>

apps/viewer/src/__tests__/album-header.spec.ts

@@ -187,9 +187,7 @@ describe('album header info area (UI-02 V02)', () => {
     await Promise.resolve();
     // 弹层出现：链接文本 + 复制按钮（页面级「已复制」提示已退役）。
     expect(sheetEl()).not.toBeNull();
-    expect(sheetEl()!.querySelector('[data-test="share-sheet-url"]')!.textContent).toBe(
-      'http://localhost:3000/a/tokfixture0000000000aaaa?lang=zh-CN',
-    );
+    // 链接文本已隐藏（2026-09-24）：二维码 + 复制按钮仍在。
     expect(document.querySelector('.share-status')).toBeNull();
 
     const copyBtn = sheetEl()!.querySelector<HTMLButtonElement>('[data-test="share-sheet-copy"]')!;

apps/viewer/src/__tests__/lightbox.spec.ts

@@ -602,9 +602,7 @@ describe('photo lightbox interactions (UI-02 V05)', () => {
     await flushPromises();
     // 弹层出现并携带照片深链（页面级提示已退役）。
     expect(lbSheet()).not.toBeNull();
-    expect(
-      lbSheet()!.querySelector('[data-test="share-sheet-url"]')!.textContent,
-    ).toBe('/a/tok-lb/p/p1?lang=zh-CN');
+    // 链接文本已隐藏（2026-09-24）。
     expect(wrapper.find('.share-status').exists()).toBe(false);
 
     const nativeBtn = lbSheet()!.querySelector<HTMLButtonElement>('[data-test="share-sheet-native"]')!;

apps/viewer/src/components/viewer/ShareSheet.vue

@@ -142,7 +142,7 @@ onBeforeUnmount(() => {
           <canvas ref="qrCanvas" width="188" height="188" aria-hidden="true"></canvas>
         </div>
 
-        <p class="share-sheet-url" data-test="share-sheet-url">{{ url }}</p>
+        <!-- 链接文本已按用户要求隐藏（2026-09-24）——二维码 + 复制按钮保留。 -->
 
         <div class="share-sheet-actions">
           <button
@@ -266,14 +266,6 @@ onBeforeUnmount(() => {
   width: 188px;
   height: 188px;
 }
-.share-sheet-url {
-  margin: 0 0 12px;
-  font-size: 0.75rem;
-  color: #647084;
-  word-break: break-all;
-  text-align: center;
-  user-select: text;
-}
 .share-sheet-actions {
   display: flex;
   gap: 10px;