fix(審查流程): 修正 bot 跳過、JSON 驗證與排除比對邊界

src/test/json.test.js

@@ -77,6 +77,18 @@ describe('json helpers', () => {
     assert.equal(fs.readFileSync(fullPath, 'utf8'), '[]\n');
   });
 
+  it('rejects repaired JSON that is not an array', async () => {
+    const fullPath = path.join(workspace, '.gitea/ai-review/findings.json');
+    fs.mkdirSync(path.dirname(fullPath), { recursive: true });
+    fs.writeFileSync(fullPath, '{broken', 'utf8');
+
+    await assert.rejects(
+      () => validateJSONArrayFile(fullPath, '.gitea/ai-review/findings.json', async () => '{"ok":true}'),
+      /不是 JSON 陣列/,
+    );
+    assert.equal(fs.readFileSync(fullPath, 'utf8'), '{broken');
+  });
+
   it('reads a valid JSON file whose size equals the maximum limit', async () => {
     const fullPath = path.join(workspace, '.gitea/ai-review/findings.json');
     fs.mkdirSync(path.dirname(fullPath), { recursive: true });