feat(app): 美搭配 v2（衣橱+精选30件）/发型 v2（男女分栏+换发色修复）/美学诊断两页——多 Agent 一轮交付

- fix(tryon): 鸿蒙 http.multiFormDataList 真机发空包（400 请上传图片）→ TryonApi 手工构造 multipart，真机验证通过；换发型/换发色/换装全链路 MEIDA_TRYON 打点
- feat(hair): 60 款发型视觉分类男女（26/34）Segment 分栏；双图对比、8 色圆点、吸底应用发色
- feat(fitting): FittingRoomPage 预览+试穿黑胶囊+我的衣橱（preferences+filesDir 持久化）+精选衣橱（rawfile 30 件+manifest）+品类过滤+双槽位生成
- feat(diagnosis): 紫渐变落地页+五字段填写页（@Prop 修选择器回填）+预填跳 ReportCreatePage
- chore(theme): 9 个色板 token 收口；首页入口改版

app/entry/src/main/ets/pages/ReportCreatePage.ets

@@ -105,6 +105,26 @@ struct ReportCreatePage {
     if (cached !== undefined && cached !== '') {
       this.lastReportId = cached
     }
+    // 美学诊断填写页（DiagnosisFormPage）预填进入（需求 v2 §3.6）：只填四字段，
+    // 核心诉求/心理风格仍由用户在本页补齐；无参数时行为与旧直达完全一致。
+    const params = router.getParams() as Record<string, Object> | undefined
+    if (params !== undefined) {
+      if (typeof params['gender'] === 'string' && params['gender'].length > 0) {
+        this.gender = params['gender'] as string
+      }
+      if (typeof params['birthday'] === 'string' && params['birthday'].length >= 8) {
+        const d = new Date(params['birthday'] as string)
+        if (!isNaN(d.getTime())) {
+          this.birthday = d
+        }
+      }
+      if (typeof params['height_cm'] === 'string' && (params['height_cm'] as string).length > 0) {
+        this.heightInput = params['height_cm'] as string
+      }
+      if (typeof params['weight_kg'] === 'string' && (params['weight_kg'] as string).length > 0) {
+        this.weightInput = params['weight_kg'] as string
+      }
+    }
   }
 
   private validateForm(): boolean {