perf(mp-weixin): 照片分两层，详情页移入 pages-poi 分包

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微信主包上限 2 MB，30 张 800×600 照片单独就 2.6 MB，
整包 3.2 MB，上传被拒（错误码 80051）。

按使用场景把照片拆成两层：
- 主包缩略图 400×300 q75（678 KB），供地图、行程、打卡卡片使用，
  这些场景最大只显示 192rpx（≈288 px @DPR3），800×600 是过剩
- 分包大图 800×600 q66（1832 KB），供详情页 hero 使用，
  随 pages-poi 分包按需下载

两层都保持 4:3，PoiImage 的 aspectFill 行为不变，视觉表现与之前一致。

详情页从 pages/poi/detail 移到 pages-poi/detail：主包页面无法引用
分包资源，hero 要用大图，页面就必须在分包内。新增
coverPhotoFullUrlFor() 供分包内页面取大图，占位图仍指向主包。

verify-weixin-output.mjs 增加防回归检查：分包注册、两层照片数量
一致、主包与各分包实际体积（留 64 KB 余量）。包体再超限会在
verify 阶段失败，不必等上传才发现。

process-poi-photos.mjs 重写为双层产出，幂等，末尾报告包体占用并
在超限时退出非零。原图改从 src/photo-intake/ 读取（不提交仓库）。

改造后：主包 1522 KB、分包 pages-poi 1847 KB，均在 2048 KB 内。
mp-weixin 与 H5 均编译通过，97 个测试通过，vue-tsc 与 ESLint 无错。

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This commit is contained in:

周瑞哲

2026-08-03 09:21:23 +08:00

parent 9e8c7bf908

commit f8ad5e1faf

72 changed files with 327 additions and 108 deletions

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