Fix Tauri CI runners and prebuild portability

packages/tauri-app/scripts/prebuild.js

@@ -0,0 +1,23 @@
+#!/usr/bin/env node
+const fs = require("fs");
+const path = require("path");
+
+const root = path.resolve(__dirname, "..");
+const serverRoot = path.resolve(root, "..", "server");
+const dest = path.resolve(root, "src-tauri", "resources", "server");
+
+const sources = ["dist", "public", "node_modules", "package.json"];
+
+fs.rmSync(dest, { recursive: true, force: true });
+fs.mkdirSync(dest, { recursive: true });
+
+for (const name of sources) {
+  const from = path.join(serverRoot, name);
+  const to = path.join(dest, name);
+  if (!fs.existsSync(from)) {
+    console.warn(`[prebuild] skipped missing ${from}`);
+    continue;
+  }
+  fs.cpSync(from, to, { recursive: true });
+  console.log(`[prebuild] copied ${from} -> ${to}`);
+}