feat: update smoke profile area handling

internal/smoke/handler/smoke_profile_handler.go

@@ -18,6 +18,7 @@ type upsertSmokeProfileRequest struct {
 	BaselineCigsPerDay *int     `json:"baseline_cigs_per_day"`
 	SmokingYears       *float64 `json:"smoking_years"`
 	PackPriceCent      *int     `json:"pack_price_cent"`
+	Mode               *string  `json:"mode"`
 
 	SmokeMotivations *[]string `json:"smoke_motivations"`
 	QuitMotivations  *[]string `json:"quit_motivations"`
@@ -71,6 +72,13 @@ func (h *SmokeHandler) UpsertProfile(c *gin.Context) {
 			return
 		}
 	}
+	if req.Mode != nil {
+		mode := strings.TrimSpace(*req.Mode)
+		if mode != "" && mode != smokeservice.SmokeModeQuit && mode != smokeservice.SmokeModeRecord {
+			c.JSON(http.StatusBadRequest, model.Error(http.StatusBadRequest, "mode 仅支持 quit 或 record"))
+			return
+		}
+	}
 
 	quitDateProvided := false
 	var quitDate *time.Time
@@ -91,6 +99,7 @@ func (h *SmokeHandler) UpsertProfile(c *gin.Context) {
 		BaselineCigsPerDay: req.BaselineCigsPerDay,
 		SmokingYears:       req.SmokingYears,
 		PackPriceCent:      req.PackPriceCent,
+		Mode:               req.Mode,
 		SmokeMotivations:   req.SmokeMotivations,
 		QuitMotivations:    req.QuitMotivations,
 		WakeUpTime:         req.WakeUpTime,