refactor(commands): share daemon runtime warning helper

src/commands/daemon-install-runtime-warning.ts

@@ -0,0 +1,20 @@
+import { renderSystemNodeWarning, resolveSystemNodeInfo } from "../daemon/runtime-paths.js";
+
+export type DaemonInstallWarnFn = (message: string, title?: string) => void;
+
+export async function emitNodeRuntimeWarning(params: {
+  env: Record<string, string | undefined>;
+  runtime: string;
+  nodeProgram?: string;
+  warn?: DaemonInstallWarnFn;
+  title: string;
+}): Promise<void> {
+  if (params.runtime !== "node") {
+    return;
+  }
+  const systemNode = await resolveSystemNodeInfo({ env: params.env });
+  const warning = renderSystemNodeWarning(systemNode, params.nodeProgram);
+  if (warning) {
+    params.warn?.(warning, params.title);
+  }
+}