iter(g16): image 加载失败占位

2026-10-26 10:57:58 +08:00
parent e781e72320
commit a036b0abfd
9 changed files with 39 additions and 12 deletions
@@ -484,6 +484,14 @@
      "acceptance": "showToast 悬停时暂停倒计时、移出后按剩余时长继续；duration 语义不变；manifest 与 demo 说明同步；npm run check 全绿",
      "status": "done",
      "notes": "自补：既有组件可用性细节"
+    },
+    {
+      "id": "g16",
+      "title": "image 加载失败占位",
+      "motivation": "图片地址失效时显示破图图标，观感差且无提示；需要统一的失败占位兜底",
+      "acceptance": "img 加载失败自动替换为虚线占位块，fallback 可自定义文案；样式只消费 --ua-* 令牌；manifest/demo 同步；npm run check 全绿",
+      "status": "open",
+      "notes": "自补：既有组件可用性细节"
    }
  ]
 }