feat: support replicate chat models (#1989)

* feat: add Replicate adaptor and integrate into channel and API types

* feat: support llm chat on replicate

relay/channeltype/define.go

@@ -47,5 +47,6 @@ const (
 	Proxy
 	SiliconFlow
 	XAI
+	Replicate
 	Dummy
 )

relay/channeltype/helper.go

@@ -37,6 +37,8 @@ func ToAPIType(channelType int) int {
 		apiType = apitype.DeepL
 	case VertextAI:
 		apiType = apitype.VertexAI
+	case Replicate:
+		apiType = apitype.Replicate
 	case Proxy:
 		apiType = apitype.Proxy
 	}

relay/channeltype/url.go

@@ -47,6 +47,7 @@ var ChannelBaseURLs = []string{
 	"",                                          // 43
 	"https://api.siliconflow.cn",                // 44
 	"https://api.x.ai",                          // 45
+	"https://api.replicate.com/v1/models/",      // 46
 }
 
 func init() {