Refactor server handlers and routing to use a handler struct

server/cmd/llamactl.go

@@ -13,7 +13,16 @@ import (
 // @license.url https://opensource.org/license/mit/
 // @basePath /api/v1
 func main() {
-	r := llamactl.SetupRouter()
+
+	// Initialize the instance manager
+	instanceManager := llamactl.NewInstanceManager()
+
+	// Create a new handler with the instance manager
+	handler := llamactl.NewHandler(instanceManager)
+
+	// Setup the router with the handler
+	r := llamactl.SetupRouter(handler)
+
 	// Start the server with the router
 	fmt.Println("Starting llamactl on port 8080...")
 	http.ListenAndServe(":8080", r)