feat: /v1/chat/completion -> /v1/response (#2629)

* feat: /v1/chat/completion -> /v1/response

service/openaicompat/policy.go

@@ -0,0 +1,18 @@
+package openaicompat
+
+import "github.com/QuantumNous/new-api/setting/model_setting"
+
+func ShouldChatCompletionsUseResponsesPolicy(policy model_setting.ChatCompletionsToResponsesPolicy, channelID int, model string) bool {
+	if !policy.IsChannelEnabled(channelID) {
+		return false
+	}
+	return matchAnyRegex(policy.ModelPatterns, model)
+}
+
+func ShouldChatCompletionsUseResponsesGlobal(channelID int, model string) bool {
+	return ShouldChatCompletionsUseResponsesPolicy(
+		model_setting.GetGlobalSettings().ChatCompletionsToResponsesPolicy,
+		channelID,
+		model,
+	)
+}