test(ai-review): 補日誌 input/output/result helper 與誤報裁決、usage 解析、parseBot 健壯性測試

app/findings.test.js

@@ -211,6 +211,20 @@ describe('findings exclusions', () => {
     assert.deepEqual(result.map(f => f.location), ['a.js:1']); // a 失敗→保守保留；b 誤報→剔除
   });
 
+  it('keeps findings when the defender returns malformed verdicts (conservative)', async () => {
+    const findings = [
+      { level: 'warning', role: 'Mage', location: 'a.js:1', problem: 'p', suggestion: 's' },
+      { level: 'warning', role: 'Leo', location: 'b.js:2', problem: 'p', suggestion: 's' },
+    ];
+    // 回傳 null / 無 verdict 欄位 / 非預期結構 → 皆非 false_positive，保守保留
+    const responses = [null, { foo: 'bar' }];
+    let i = 0;
+    const chatFn = async () => responses[i++ % responses.length];
+
+    const result = await filterFalsePositivesWithAI(findings, [], chatFn);
+    assert.equal(result.length, 2);
+  });
+
   it('logs exclusions file metadata and repo state when loading exclusions', () => {
     const fullPath = path.join(workspace, EXCLUSIONS_PATH);
     fs.mkdirSync(path.dirname(fullPath), { recursive: true });