fix: preserve full photo framing in personal posters and covers

src/pages/users/shareCard.wpy

@@ -9,7 +9,7 @@
     </view>
     <view class="personal-stage">
       <image v-if="poster" class="personal-poster" src="{{poster}}" mode="widthFix" @tap="preview" @error="posterImageFailed"></image>
-      <view v-else class="personal-fallback"><view class="fallback-brand"><image src="/pages/users/assets/fulian-logo.png" mode="aspectFit"></image><text>福恋</text></view><image v-if="profile.photo" class="fallback-photo" src="{{profile.photo}}" mode="aspectFill"></image><view v-else class="fallback-photo fallback-blank"><image src="/pages/users/assets/fulian-logo.png" mode="aspectFit"></image><text>期待认真相识</text></view><view class="fallback-name">{{profile.nickname || '我的卡片'}}</view><view class="fallback-details">{{profile.details}}</view><view class="fallback-intro">{{profile.introduction || '上福恋认真找对象'}}</view><view class="fallback-footer">{{posterError || profileError ? '海报暂未生成' : '正在准备你的个人海报'}}</view></view>
+      <view v-else class="personal-fallback"><view class="fallback-brand"><image src="/pages/users/assets/fulian-logo.png" mode="aspectFit"></image><text>福恋</text></view><image v-if="profile.photo" class="fallback-photo" src="{{profile.photo}}" mode="aspectFit"></image><view v-else class="fallback-photo fallback-blank"><image src="/pages/users/assets/fulian-logo.png" mode="aspectFit"></image><text>期待认真相识</text></view><view class="fallback-name">{{profile.nickname || '我的卡片'}}</view><view class="fallback-details">{{profile.details}}</view><view class="fallback-intro">{{profile.introduction || '上福恋认真找对象'}}</view><view class="fallback-footer">{{posterError || profileError ? '海报暂未生成' : '正在准备你的个人海报'}}</view></view>
     </view>
     <view v-if="generating || (profileLoading && !poster)" class="asset-status card-status">{{profileLoading ? '正在读取个人资料' : posterStage}}</view>
     <view v-else-if="posterError || profileError" class="asset-error card-status"><text>{{posterError || profileError}}</text><button class="text-button" @tap="refreshPoster">重新生成</button></view>

src/utils/sharing-cache.js

@@ -1,6 +1,6 @@
 import {boundedCall, fileAccess} from './sharing-runtime'
 
-const VERSION = 'v5'
+const VERSION = 'v6'
 const MAX_AGE = 24 * 60 * 60 * 1000
 const INDEX = 'fulian-sharing-cache-' + VERSION
 

src/utils/sharing.js

@@ -34,10 +34,18 @@ function textLines(ctx,text,x,y,width,lineHeight,limit) {
   }
   ctx.fillText(line,x,y+row*lineHeight)
 }
+export function photoPlacement(iw,ih,w,h){
+  // Keep the whole source visible: a center cover crop can remove faces,
+  // especially when a portrait/group photo is placed in a landscape slot.
+  const scale=Math.min(w/iw,h/ih)
+  const width=iw*scale,height=ih*scale
+  return {x:(w-width)/2,y:(h-height)/2,width,height}
+}
 function photoFill(ctx,image,x,y,w,h,r=0){
   ctx.save();if(r){roundRect(ctx,x,y,w,h,r);ctx.clip()}
-  const scale=Math.max(w/image.width,h/image.height),sw=w/scale,sh=h/scale
-  ctx.drawImage(image,(image.width-sw)/2,(image.height-sh)/2,sw,sh,x,y,w,h);ctx.restore()
+  ctx.fillStyle='#FFF1F4';ctx.fillRect(x,y,w,h)
+  const fit=photoPlacement(image.width,image.height,w,h)
+  ctx.drawImage(image,0,0,image.width,image.height,x+fit.x,y+fit.y,fit.width,fit.height);ctx.restore()
 }
 async function canvasFor(page,id,width,height,job){
   check(job)

tools/sharing/VALIDATION-20261102.md

@@ -84,3 +84,11 @@ Node v24.19.0：六组分享回归退出0。check-photo 增加随机排除当前
 Node v16.20.2 在 .release-build/invitation-card-candidate 执行 tools/build/build.cjs，退出0，89模板编译完成。改动仍在功能分支，未更新 main 验收包。
 
 2026-11-03 用户确认后端修复生效但线上换图未变化。核实上一交付前端 main f82dab2 仍固定优选，随机换图代码尚在功能分支。本轮补齐前端交付，合并后从 main 编译；多张合格照片排除当前项，缓存保留新选择。
+
+## 2026-11-03 个人照片防裁头适配
+
+用户反馈横向照片框居中裁剪导致头部出框。本轮采用完整照片等比例适配：保留全部源图，按海报/分享封面尺寸自动缩放居中，空余处填充福恋浅玫瑰背景；加载预览也改为 aspectFit。未引入人脸检测，不声称识别人脸；此方案直接避免照片框裁掉源图中的头部，无法恢复原图本身已缺失的内容。缓存升级v6使旧裁剪海报失效。
+
+Node24几何检查覆盖竖图/横图/方图在686×470和264×364目标框内等比例完整显示，通过；check-photo/check-cache/check-image-path退出0，diff检查通过。后端无本轮修改。分支 feature/card-photo-framing，未上传发布。
+
+2026-11-03 用户确认生成正式验收包。照片适配功能分支编译退出0，按授权合并本地 main 后重新编译。制品目录 releases/20261103-card-photo-framing，未上传部署。

tools/sharing/check-cache.cjs

@@ -8,7 +8,7 @@ async function render(h,name='shareCard'){const page=h.page(name);page.hook('onR
  h.files.delete(changed.cover);const missing=await render(h);assert(missing.poster!==changed.poster,'missing file must regenerate')
  h.storage.set('token','synthetic-other-token');h.storage.set('user_id',43);h.state.profile.id=43
  const other=await render(h);assert(other.poster.includes('-43-personal-'));assert(!other.poster.includes('-42-personal-'))
- const index=h.storage.get('fulian-sharing-cache-v5');index['43-personal'].savedAt=Date.now()-2*24*3600*1000;h.storage.set('fulian-sharing-cache-v5',index)
+ const index=h.storage.get('fulian-sharing-cache-v6');index['43-personal'].savedAt=Date.now()-2*24*3600*1000;h.storage.set('fulian-sharing-cache-v6',index)
  const expired=await render(h);assert(expired.poster!==other.poster)
  h.flags.copyFail=true;const disk=await render(h,'myShare');assert(disk.poster&&!disk.cached);assert(!disk.generating)
  for(const flag of ['imageInfoHang','imageHang','canvasHang','exportHang','requestHang']){