Support llama.cpp router mode for openai endpoints

pkg/instance/instance.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"time"
 
+	"llamactl/pkg/backends"
 	"llamactl/pkg/config"
 )
 
@@ -117,6 +118,14 @@ func (i *Instance) WaitForHealthy(timeout int) error {
 	return i.process.waitForHealthy(timeout)
 }
 
+func (i *Instance) GetBackendType() backends.BackendType {
+	opts := i.GetOptions()
+	if opts == nil {
+		return backends.BackendTypeUnknown
+	}
+	return opts.BackendOptions.BackendType
+}
+
 // GetOptions returns the current options
 func (i *Instance) GetOptions() *Options {
 	if i.options == nil {