chore(backlog): 记录 g76 完成

.ua/backlog.json

@@ -964,6 +964,14 @@
       "acceptance": "整组 tabindex=0 可聚焦，keydown 每轮渲染重挂，重渲染后焦点归还并继续连按；补 focus-visible 光环；npm run check 全绿",
       "status": "done",
       "notes": "自补：无障碍；重渲染策略保持不变（星标少，开销可忽略）"
+    },
+    {
+      "id": "g76",
+      "title": "文字头像补 role=img 使名称可播报",
+      "motivation": "无 src 的文字头像只是带 aria-label 的 span，普通元素上的 aria-label 不保证被读屏当名称读出来，等于没有可访问名",
+      "acceptance": "文字头像容器补 role=img，与有 src 时的 img alt 语义对齐；npm run check 全绿",
+      "status": "done",
+      "notes": "自补：无障碍；title 仍保留供鼠标悬浮提示"
     }
   ]
 }

.ua/iterations.log

@@ -120,3 +120,4 @@
 {"ts":"2026-10-26T12:42:29+08:00","id":"g73","result":"done","commit":"ebd5793","summary":"表格底栏分页加 role=navigation 与 aria-label，页码行数改 role=status aria-live 播报"}
 {"ts":"2026-10-26T12:43:37+08:00","id":"g74","result":"done","commit":"640c286","summary":"modal/drawer 生成唯一标题 id 并挂 aria-labelledby，读屏能念出对话框名称"}
 {"ts":"2026-10-26T12:44:42+08:00","id":"g75","result":"done","commit":"b77eb18","summary":"评分组件补 tabindex 与每轮键绑定、重渲染后归还焦点，方向键可连按，补 focus-visible 光环"}
+{"ts":"2026-10-26T12:45:27+08:00","id":"g76","result":"done","commit":"45a00f6","summary":"文字头像容器补 role=img，aria-label 才会被读屏当作可访问名播报"}