新增摸大红业务并修复后台链接按钮白字

支持分类筛选、搜索、下单支付建群与固定二维码；合并迁移种子数据；后台表格编辑/详情链接恢复主题色可见。

backend/internal/modules/payment/handler.go

@@ -91,6 +91,26 @@ func (h *Handler) Start(c *gin.Context) {
 	response.OK(c, item)
 }
 
+func (h *Handler) StartMohong(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	orderID, ok := parseID(c)
+	if !ok {
+		return
+	}
+	var req StartPaymentRequest
+	_ = c.ShouldBindJSON(&req)
+	item, err := h.service.StartMohong(c.Request.Context(), userID, orderID, req, c.ClientIP())
+	if err != nil {
+		writePaymentError(c, err)
+		return
+	}
+	response.OK(c, item)
+}
+
 func (h *Handler) Query(c *gin.Context) {
 	userID, ok := currentUserID(c)
 	if !ok {
@@ -109,6 +129,24 @@ func (h *Handler) Query(c *gin.Context) {
 	response.OK(c, item)
 }
 
+func (h *Handler) QueryMohong(c *gin.Context) {
+	userID, ok := currentUserID(c)
+	if !ok {
+		response.Unauthorized(c, "缺少用户上下文")
+		return
+	}
+	orderID, ok := parseID(c)
+	if !ok {
+		return
+	}
+	item, err := h.service.QueryMohong(c.Request.Context(), userID, orderID)
+	if err != nil {
+		writePaymentError(c, err)
+		return
+	}
+	response.OK(c, item)
+}
+
 func (h *Handler) QueryRefundStatus(c *gin.Context) {
 	orderID, ok := parseID(c)
 	if !ok {