feat(h5): allow guest access without login and retain history only for WeChat

h5/server.js

@@ -267,7 +267,7 @@ function scoreProfile(rec) {
 }
 
 /* 检测成功:用 SkinScore.buildViewModel 计算并补全记录字段(复用同一份公式) */
-function fillSuccess(rec, fpJson) {
+function fillSuccess(rec, fpJson, persist = true) {
   // Observation only: do not block, re-shoot, retry or alter scoring based on it.
   rec.capture_quality = CaptureDiagnostics.assess(fpJson);
   const vm = SkinScore.buildViewModel(fpJson.result, {
@@ -299,7 +299,7 @@ function fillSuccess(rec, fpJson) {
   rec.essence_line = vm.essence ? vm.essence.text : null;
   rec.trigger = (vm.essence && vm.essence.triggers) ? vm.essence.triggers.join(',') : null;
   rec.notes = vm.notes || [];
-  rec.raw_file = dumpRaw(fpJson);
+  rec.raw_file = persist ? dumpRaw(fpJson) : null;
 }
 
 /* 检测失败:补失败字段 */
@@ -311,7 +311,7 @@ function fillFailure(rec, code) {
 }
 
 /* 执行一次检测:计时调用 Face++,按结果补全记录(成功/失败都落库)。返回 Face++ 原始返回 */
-async function runDetect(rec, front, left, right) {
+async function runDetect(rec, front, left, right, persist = true) {
   rec.detect_status = '检测中';
   rec.updated_at = nowIso();
   const t0 = Date.now();
@@ -325,7 +325,7 @@ async function runDetect(rec, front, left, right) {
     fillFailure(rec, 'INTERNAL_ERROR');
   } else {
     try {
-      fillSuccess(rec, fpJson);
+      fillSuccess(rec, fpJson, persist);
     } catch (e) { // 评分异常按检测失败落库,但不改写 C 端成功响应(原始结果仍透传)
       console.log(`[analyze] 评分异常: ${e.message}`);
       fillFailure(rec, 'INTERNAL_ERROR');
@@ -372,10 +372,13 @@ async function callFacepp(front, left, right) {
 }
 
 async function handleAnalyze(req, res) {
+  res.setHeader('Cache-Control', 'no-store');
   let rec = null; // 记录:正脸照片校验通过后创建(此前失败无从落库)
+  let persist = false;
   try {
     const owner = accounts.session(req);
     if (!owner) return sendJson(res, 401, { ok: false, message: '请先登录后检测' });
+    persist = owner.kind === 'wechat';
     if (!accounts.sameOrigin(req)) return sendJson(res, 403, { ok: false, message: '请求来源不匹配' });
     const body = JSON.parse((await readBody(req, 20 * 1024 * 1024)).toString('utf8'));
     // 三个 image 字段先做类型检查:非字符串视为缺失(左/右图缺失时仅发正脸,接口自动降级为单视图)
@@ -394,7 +397,7 @@ async function handleAnalyze(req, res) {
     /* ── 记录落库:生成 record_id → 写照片 → 落一条 detect_status=检测中 ── */
     const profile = normalizeProfile(body.profile);
     const recordId = newRecordId();
-    const photos = writePhotos(recordId, { front, left, right });
+    const photos = persist ? writePhotos(recordId, { front, left, right }) : {};
     rec = {
       record_id: recordId,
       owner_id: owner.id,
@@ -420,11 +423,13 @@ async function handleAnalyze(req, res) {
       retry_of: null, retry_count: 0
     };
     rec.capture_diagnostics = CaptureDiagnostics.normalize(body.capture_diagnostics);
-    appendRecord(rec);
-    console.log(`[record] 新检测记录 ${recordId}(${rec.shoot_status},照片${Object.keys(photos).length}/3)`);
+    if (persist) {
+      appendRecord(rec);
+      console.log(`[record] 新检测记录 ${recordId}(${rec.shoot_status},照片${Object.keys(photos).length}/3)`);
+    }
 
-    const fpJson = await runDetect(rec, front, left, right);
-    updateRecord(rec);
+    const fpJson = await runDetect(rec, front, left, right, persist);
+    if (persist) updateRecord(rec);
 
     if (fpJson.error_message) {
       const code = fpJson.error_message.split(':')[0];
@@ -458,10 +463,12 @@ async function handleAnalyze(req, res) {
     try {
       snapshotVm = SkinScore.buildViewModel(result, payload.side, scoreProfile(rec));
       presentation = rec.presentation || ReportUI.build(snapshotVm, result);
-      accounts.storeReport(owner.id, { id: recordId, created_at: rec.created_at,
-        version: '2026-10-09', profile, vm: snapshotVm, presentation, payload,
-        photos: [front, left, right].map(b64 => b64 ? toDataUrl(b64) : null) });
-      reportSaved = true;
+      if (persist) {
+        accounts.storeReport(owner.id, { id: recordId, created_at: rec.created_at,
+          version: '2026-10-09', profile, vm: snapshotVm, presentation, payload,
+          photos: [front, left, right].map(b64 => b64 ? toDataUrl(b64) : null) });
+        reportSaved = true;
+      }
     } catch (e) { console.error('[report] 完整报告保存失败:', e.message); }
     res.writeHead(200, { 'Content-Type': 'application/json; charset=utf-8' });
     res.end(JSON.stringify({
@@ -475,7 +482,7 @@ async function handleAnalyze(req, res) {
       }
     }));
   } catch (e) {
-    if (rec) { // 记录已创建但流程异常:按检测失败补全,便于后台看到这条调用
+    if (rec && persist) { // 仅微信检测失败记录落库；游客不保留异常记录。
       fillFailure(rec, e.message === 'TOO_LARGE' ? 'IMAGE_FILE_TOO_LARGE' : 'NETWORK_ERROR');
       rec.updated_at = nowIso();
       updateRecord(rec);