Fix non-interactive init to complete with piped stdin

test/ops-noninteractive-init.test.mjs

@@ -0,0 +1,44 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+import { spawn } from 'node:child_process';
+
+function runInitWithSingleNewline(cwd) {
+  return new Promise((resolve) => {
+    const child = spawn(process.execPath, [path.resolve('bin/torch-lock.mjs'), 'init', '--force'], {
+      cwd,
+      stdio: ['pipe', 'pipe', 'pipe'],
+    });
+
+    let stdout = '';
+    let stderr = '';
+
+    child.stdout.on('data', (chunk) => {
+      stdout += chunk.toString();
+    });
+    child.stderr.on('data', (chunk) => {
+      stderr += chunk.toString();
+    });
+
+    child.stdin.write('\n');
+    child.stdin.end();
+
+    child.on('close', (code) => {
+      resolve({ code: code ?? 1, stdout, stderr });
+    });
+  });
+}
+
+test('init completes in non-interactive mode when stdin closes early', async () => {
+  const tmpDir = await fs.promises.mkdtemp(path.join(os.tmpdir(), 'torch-init-noninteractive-'));
+  await fs.promises.writeFile(path.join(tmpDir, 'package.json'), JSON.stringify({ name: 'tmp-host', version: '1.0.0' }), 'utf8');
+
+  const result = await runInitWithSingleNewline(tmpDir);
+  assert.equal(result.code, 0, `stdout:\n${result.stdout}\nstderr:\n${result.stderr}`);
+
+  assert.ok(fs.existsSync(path.join(tmpDir, 'torch')), 'torch directory should be created');
+  assert.ok(fs.existsSync(path.join(tmpDir, 'torch-config.json')), 'root torch-config.json should be created');
+  assert.ok(fs.existsSync(path.join(tmpDir, 'torch', 'src', 'prompts', 'scheduler-flow.md')), 'scheduler flow should be installed');
+});