✨ feat: refactor environment variable initialization and introduce new constant types for API and context keys

relay/common/relay_utils.go

@@ -6,7 +6,7 @@ import (
 	_ "image/gif"
 	_ "image/jpeg"
 	_ "image/png"
-	"one-api/common"
+	"one-api/constant"
 	"strings"
 )
 
@@ -15,9 +15,9 @@ func GetFullRequestURL(baseURL string, requestURL string, channelType int) strin
 
 	if strings.HasPrefix(baseURL, "https://gateway.ai.cloudflare.com") {
 		switch channelType {
-		case common.ChannelTypeOpenAI:
+		case constant.ChannelTypeOpenAI:
 			fullRequestURL = fmt.Sprintf("%s%s", baseURL, strings.TrimPrefix(requestURL, "/v1"))
-		case common.ChannelTypeAzure:
+		case constant.ChannelTypeAzure:
 			fullRequestURL = fmt.Sprintf("%s%s", baseURL, strings.TrimPrefix(requestURL, "/openai/deployments"))
 		}
 	}