refactor(ai-review 統計): 精簡 action log 統計輸出

app/comments.test.js

@@ -3,7 +3,7 @@ import assert from 'node:assert/strict';
 import fs from 'node:fs';
 import os from 'node:os';
 import path from 'node:path';
-import { saveFindings, parseLocation, postNewCriticalComments, postFindingsReview, formatFindingsStats } from './comments.js';
+import { saveFindings, parseLocation, postNewCriticalComments, postFindingsReview, formatFindingsStats, formatFindingsStatsLine } from './comments.js';
 import { FINDINGS_PATH } from './config.js';
 
 describe('saveFindings', () => {
@@ -97,13 +97,15 @@ describe('parseLocation', () => {
 });
 
 describe('formatFindingsStats', () => {
+  const statsFindings = [
+    { level: 'critical', is_new: false },
+    { level: 'warning', is_new: true },
+    { level: 'info' },
+    { level: 'custom', is_new: true },
+  ];
+
   it('formats old and new findings by severity', () => {
-    const stats = formatFindingsStats([
-      { level: 'critical', is_new: false },
-      { level: 'warning', is_new: true },
-      { level: 'info' },
-      { level: 'custom', is_new: true },
-    ]);
+    const stats = formatFindingsStats(statsFindings);
 
     assert.equal(stats, [
       '| 類型 | 🔴 嚴重 | 🟡 警告 | 🔵 建議 |',
@@ -112,6 +114,13 @@ describe('formatFindingsStats', () => {
       '| 新問題 | 0 筆 | 1 筆 | 1 筆 |',
     ].join('\n'));
   });
+
+  it('formats compact one-line stats for action logs', () => {
+    assert.equal(
+      formatFindingsStatsLine(statsFindings),
+      '舊: 嚴重1 / 警告0 / 建議0；新: 嚴重0 / 警告1 / 建議1',
+    );
+  });
 });
 
 describe('postNewCriticalComments', () => {