chore(backlog): 记录 g02 完成

.ua/backlog.json

@@ -378,7 +378,7 @@
       "title": "新增 image 图片组件（缩略图 + 点击预览）",
       "motivation": "皮肤包缺常规媒体组件，img 缩略图 + 遮罩预览是常规表单/详情页刚需",
       "acceptance": "image({src, alt, width?}) 返回缩略图，点击开遮罩大图（Esc/点击遮罩关闭，reduced-motion 兜底）；manifest/docs/llms-full/README/demo 同步；npm run check 全绿",
-      "status": "open",
+      "status": "done",
       "notes": "自补：组件补充方向"
     },
     {

.ua/iterations.log

@@ -46,3 +46,4 @@
 {"ts":"2026-10-23T18:52:12+08:00","id":"f05","result":"done","commit":"265060f","summary":"ua index 幂等化：剔除 generatedAt 比对且行尾归一化，内容无变化跳写，连续两次 check 后工作区干净"}
 {"ts":"2026-10-23T18:53:33+08:00","id":"f06","result":"done","commit":"a5439fe","summary":"pnpm-lock.yaml 经 pnpm install --lockfile-only 生成入库；ARCHITECTURE.md 目录树补 scripts/、COMMITTING、ITERATION、pnpm-workspace、.ua 明细"}
 {"ts":"2026-10-23T18:55:24+08:00","id":"g01","result":"done","commit":"98f557c","summary":"writeIfChanged 支持归一化比较，llms-full.txt 仅时间戳之差时跳写，docs 双跑工作区干净；backlog 灌入 g01-g03"}
+{"ts":"2026-10-23T18:59:34+08:00","id":"g02","result":"done","commit":"33979b2","summary":"新增 image 组件：缩略图点击/回车开遮罩大图，Esc/点击遮罩关闭并归还焦点；组件 33→34，manifest/docs/README/demo 同步"}