feat: 完善平台总后台模块

backend/api/internal/models/cnt_content.go

@@ -0,0 +1,16 @@
+package models
+
+import "git.apinb.com/bsm-sdk/core/database"
+
+// CntContent 对应 cnt_content，保存公告与协议内容。
+type CntContent struct {
+	Entity
+	ContentType   string `gorm:"column:content_type;type:varchar(32);not null" json:"content_type"`
+	Title         string `gorm:"column:title;type:varchar(256);not null" json:"title"`
+	Body          string `gorm:"column:body;type:text;not null;default:''" json:"body"`
+	VersionNo     int    `gorm:"column:version_no;not null;default:1" json:"version_no"`
+	PublishStatus string `gorm:"column:publish_status;type:varchar(32);not null;default:'draft'" json:"publish_status"`
+}
+
+func init()                                 { database.AppendMigrate(&CntContent{}) }
+func (table *CntContent) TableName() string { return "cnt_content" }