fix(ci): make portless optional for windows installs

scripts/start-dev.js

@@ -0,0 +1,35 @@
+import { existsSync } from 'node:fs';
+import { join } from 'node:path';
+import { spawn } from 'node:child_process';
+
+const isWindows = process.platform === 'win32';
+const usePortless = process.env.PORTLESS !== '0' && !isWindows;
+const binDir = join(process.cwd(), 'node_modules', '.bin');
+const executableSuffix = isWindows ? '.cmd' : '';
+const portlessBin = join(binDir, `portless${executableSuffix}`);
+const viteBin = join(binDir, `vite${executableSuffix}`);
+
+const command = usePortless && existsSync(portlessBin) ? portlessBin : viteBin;
+const args =
+  command === portlessBin
+    ? ['5chan', 'vite']
+    : ['--host', '5chan.localhost', '--port', '1355', '--strictPort'];
+
+if (command !== portlessBin && process.env.PORTLESS !== '0') {
+  console.warn('portless unavailable on this platform, using vite directly on http://5chan.localhost:1355');
+}
+
+const child = spawn(command, args, {
+  stdio: 'inherit',
+  env: process.env,
+});
+
+child.on('exit', (code, signal) => {
+  if (signal) {
+    process.kill(process.pid, signal);
+    return;
+  }
+
+  process.exit(code ?? 0);
+});
+