refactor: simplify model prefix checks and update message role for o-series models

controller/channel-test.go

@@ -186,7 +186,7 @@ func buildTestRequest(model string) *dto.GeneralOpenAIRequest {
 		return testRequest
 	}
 	// 并非Embedding 模型
-	if strings.HasPrefix(model, "o1") || strings.HasPrefix(model, "o3") {
+	if strings.HasPrefix(model, "o") {
 		testRequest.MaxCompletionTokens = 10
 	} else if strings.Contains(model, "thinking") {
 		if !strings.Contains(model, "claude") {