Merge pull request #5036 from trodemaster/fix/darwin-lock-main-thread

fix(darwin): pin main goroutine to OS thread 0 for VZ GUI

Author: jandubois

cmd/limactl/main_darwin_gui.go

@@ -0,0 +1,16 @@
+//go:build darwin
+
+// SPDX-FileCopyrightText: Copyright The Lima Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+import "runtime"
+
+func init() {
+	// Lock the main goroutine to the initial process thread before main() runs.
+	// VZVirtualMachineView requires GUI operations on the initial thread; without
+	// this, Go's scheduler may migrate the goroutine before hostagent starts.
+	// Assumes no other package init() triggers a scheduling point before this runs.
+	runtime.LockOSThread()
+}