feat: 渠道类型接口

internal/handler/common_handler.go

@@ -0,0 +1,22 @@
+package handler
+
+import (
+	"gpt-load/internal/channel"
+	"gpt-load/internal/response"
+
+	"github.com/gin-gonic/gin"
+)
+
+// CommonHandler handles common, non-grouped requests.
+type CommonHandler struct{}
+
+// NewCommonHandler creates a new CommonHandler.
+func NewCommonHandler() *CommonHandler {
+	return &CommonHandler{}
+}
+
+// GetChannelTypes returns a list of available channel types.
+func (h *CommonHandler) GetChannelTypes(c *gin.Context) {
+	channelTypes := channel.GetChannels()
+	response.Success(c, channelTypes)
+}