diff --git a/backend/cmd/server/VERSION b/backend/cmd/server/VERSION
index 630554d9..4b9b35d8 100644
--- a/backend/cmd/server/VERSION
+++ b/backend/cmd/server/VERSION
@@ -1 +1 @@
-0.1.112.4
+0.1.112
diff --git a/backend/internal/handler/openai_gateway_handler.go b/backend/internal/handler/openai_gateway_handler.go
index dda6d2e3..6c5a6779 100644
--- a/backend/internal/handler/openai_gateway_handler.go
+++ b/backend/internal/handler/openai_gateway_handler.go
@@ -47,6 +47,13 @@ func resolveOpenAIForwardDefaultMappedModel(apiKey *service.APIKey, fallbackMode
 	return strings.TrimSpace(apiKey.Group.DefaultMappedModel)
 }
 
+func resolveOpenAIMessagesDispatchMappedModel(apiKey *service.APIKey, requestedModel string) string {
+	if apiKey == nil || apiKey.Group == nil {
+		return ""
+	}
+	return strings.TrimSpace(apiKey.Group.ResolveMessagesDispatchModel(requestedModel))
+}
+
 // NewOpenAIGatewayHandler creates a new OpenAIGatewayHandler
 func NewOpenAIGatewayHandler(
 	gatewayService *service.OpenAIGatewayService,