feat(delivery): integrate PostgreSQL delivery

server/internal/handler/delivery.go

@@ -15,12 +15,22 @@ import (
 	"gorm.io/gorm"
 )
 
-type DeliveryHandler struct{ service *service.DeliveryService }
+type DeliveryHandler struct {
+	service *service.DeliveryService
+}
+
+type PostgreSQLDeliveryHandler struct {
+	service *service.PostgreSQLDeliveryService
+}
 
 func NewDeliveryHandler(s *service.DeliveryService) *DeliveryHandler {
 	return &DeliveryHandler{service: s}
 }
 
+func NewPostgreSQLDeliveryHandler(s *service.PostgreSQLDeliveryService) *PostgreSQLDeliveryHandler {
+	return &PostgreSQLDeliveryHandler{service: s}
+}
+
 type DeliveryCallbackHandler struct {
 	service *service.DeliveryService
 	token   string
@@ -108,6 +118,30 @@ func (h *DeliveryHandler) CreateMySQL(c *gin.Context) {
 	c.JSON(status, gin.H{"task": task, "idempotent_replay": existing})
 }
 
+// CreatePostgreSQL submits a standalone or primary/replica PostgreSQL delivery.
+func (h *PostgreSQLDeliveryHandler) CreatePostgreSQL(c *gin.Context) {
+	claims, ok := CurrentClaims(c)
+	if !ok {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "missing current user"})
+		return
+	}
+	var req service.PostgreSQLDeliveryInput
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	task, existing, err := h.service.CreateTask(c.Request.Context(), claims.UserID, claims.IsAdmin, c.GetHeader("Idempotency-Key"), req)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	status := http.StatusAccepted
+	if existing {
+		status = http.StatusOK
+	}
+	c.JSON(status, gin.H{"task": task, "idempotent_replay": existing})
+}
+
 // List 获取交付任务列表
 // @Summary      获取交付任务列表
 // @Description  返回当前用户可见的交付任务列表（管理员可见全部）