From eea1239346e048e667a0a4c0893a93cbf2b4cae6 Mon Sep 17 00:00:00 2001
From: $zhangzhaokang <$zhangzhaokang@bytedance.com>
Date: Sat, 4 Jul 2026 10:32:23 +0800
Subject: [PATCH] fix(loop-sync): honor json output flag

---
 tools/loop-sync/dist/cli.js        |  2 +-
 tools/loop-sync/src/cli.ts         |  4 ++--
 tools/loop-sync/test/sync.test.mjs | 27 ++++++++++++++++++++++++++-
 3 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/tools/loop-sync/dist/cli.js b/tools/loop-sync/dist/cli.js
index c63e210..4525d89 100644
--- a/tools/loop-sync/dist/cli.js
+++ b/tools/loop-sync/dist/cli.js
@@ -27,7 +27,7 @@ function parseArgs(argv) {
         else if (!a.startsWith('-'))
             targetDir = a;
     }
-    return { targetDir, autoFix, dryRun, verbose, help };
+    return { targetDir, autoFix, dryRun, verbose, help, json };
 }
 async function main() {
     const args = parseArgs(process.argv.slice(2));
diff --git a/tools/loop-sync/src/cli.ts b/tools/loop-sync/src/cli.ts
index ee19f77..da1e490 100644
--- a/tools/loop-sync/src/cli.ts
+++ b/tools/loop-sync/src/cli.ts
@@ -25,7 +25,7 @@ function parseArgs(argv: string[]): SyncOptions {
     else if (!a.startsWith('-')) targetDir = a;
   }
 
-  return { targetDir, autoFix, dryRun, verbose, help };
+  return { targetDir, autoFix, dryRun, verbose, help, json };
 }
 
 async function main() {
@@ -86,4 +86,4 @@ Docs: https://github.com/cobusgreyling/loop-engineering/tree/main/tools/loop-syn
   }
 }
 
-main();
\ No newline at end of file
+main();
diff --git a/tools/loop-sync/test/sync.test.mjs b/tools/loop-sync/test/sync.test.mjs
index 0c27eaa..3ec4cfa 100644
--- a/tools/loop-sync/test/sync.test.mjs
+++ b/tools/loop-sync/test/sync.test.mjs
@@ -2,9 +2,13 @@ import { test, describe, beforeEach, afterEach } from 'node:test';
 import assert from 'node:assert/strict';
 import path from 'node:path';
 import { mkdir, writeFile, rm } from 'node:fs/promises';
+import { execFile } from 'node:child_process';
+import { promisify } from 'node:util';
 import { runSync, formatReport } from '../dist/sync.js';
 
 const testDir = path.join(process.cwd(), '.test-tmp');
+const exec = promisify(execFile);
+const CLI = path.resolve('dist/cli.js');
 
 async function setupTestDir() {
   await mkdir(testDir, { recursive: true });
@@ -112,4 +116,25 @@ describe('formatReport', () => {
     assert.match(formatted, /AGENTS\.md/);
     assert.match(formatted, /missing/i);
   });
-});
\ No newline at end of file
+});
+
+describe('cli', () => {
+  beforeEach(setupTestDir);
+  afterEach(cleanupTestDir);
+
+  test('emits JSON when --json is provided', async () => {
+    let stdout;
+    try {
+      ({ stdout } = await exec('node', [CLI, testDir, '--json']));
+    } catch (err) {
+      stdout = err.stdout;
+      assert.equal(err.code, 2);
+    }
+    const report = JSON.parse(stdout);
+
+    assert.equal(typeof report.score, 'number');
+    assert.ok(['healthy', 'warning', 'critical'].includes(report.level));
+    assert.ok(Array.isArray(report.issues));
+    assert.ok(Array.isArray(report.suggestions));
+  });
+});