fix(ai-review comment): 顯示審查問題原因

app/comments.test.js

@@ -212,7 +212,8 @@ describe('postFindingsReview', () => {
     );
     assert.match(reviewCalls[0].comments[0].body, /嚴重等級/);
     assert.match(reviewCalls[0].comments[0].body, /審查員.*Rex/s);
-    assert.match(reviewCalls[0].comments[0].body, /問題.*app\/a\.js:10/s);
+    assert.match(reviewCalls[0].comments[0].body, /問題.*未提供問題原因/s);
+    assert.doesNotMatch(reviewCalls[0].comments[0].body, /問題.*app\/a\.js:10/s);
     assert.match(reviewCalls[0].comments[0].body, /建議.*C/s);
   });
 
@@ -242,4 +243,16 @@ describe('postFindingsReview', () => {
     assert.match(reviewCalls[0].comments[0].body, /問題.*命名不清楚/s);
     assert.match(reviewCalls[0].comments[0].body, /建議.*改成具體名稱/s);
   });
+
+  it('uses reviewer reason fields as the problem text instead of the location', async () => {
+    const reviewCalls = [];
+    await postFindingsReview([
+      { level: 'warning', role: 'Leo', location: 'app/a.js:5', description: '這裡缺少空值檢查', suggestion: '先判斷 null 再使用' },
+    ], {
+      postReview: async (args) => { reviewCalls.push(args); },
+    });
+
+    assert.match(reviewCalls[0].comments[0].body, /問題.*這裡缺少空值檢查/s);
+    assert.doesNotMatch(reviewCalls[0].comments[0].body, /問題.*app\/a\.js:5/s);
+  });
 });