feat: P1 合盘/星座/问答与测测完整设计包及模拟器取证工具

落地 synastry/star/ask API 与 H5 页面，补齐 cece-frontend-re complete-design 证据文档，并加入 Android 模拟器截图抓取脚本。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/internal/model/mood.go

@@ -0,0 +1,17 @@
+package model
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+// Mood is a daily mood check-in.
+type Mood struct {
+	ID        uuid.UUID `json:"id"`
+	UserID    uuid.UUID `json:"user_id"`
+	Day       string    `json:"day"`
+	Score     *int      `json:"score,omitempty"`
+	Note      *string   `json:"note,omitempty"`
+	CreatedAt time.Time `json:"created_at"`
+}