feat: add codex review failover and suppress output hardening

src/unified-dashboard.test.ts

@@ -1,7 +1,9 @@
 import { describe, expect, it } from 'vitest';
 
+import type { UsageRow } from './dashboard-usage-rows.js';
 import {
   formatStatusHeader,
+  renderUsageTable,
   summarizeWatcherTasks,
 } from './unified-dashboard.js';
 
@@ -57,3 +59,51 @@ describe('formatStatusHeader', () => {
     ).toBe('**📊 에이전트 상태** — 활성 3 / 8 | 감시 2 | 일시정지 1');
   });
 });
+
+describe('renderUsageTable', () => {
+  const claudeRow: UsageRow = {
+    name: 'Claude pro',
+    h5pct: 50,
+    h5reset: '',
+    d7pct: 30,
+    d7reset: '',
+  };
+  const codexRow: UsageRow = {
+    name: 'Codex',
+    h5pct: 40,
+    h5reset: '',
+    d7pct: 25,
+    d7reset: '',
+  };
+
+  it('renders Claude before separator before Codex', () => {
+    const lines = renderUsageTable([claudeRow], [codexRow]);
+
+    const claudeIdx = lines.findIndex((l) => l.includes('Claude'));
+    const sepIdx = lines.findIndex((l) => /^─+$/.test(l));
+    const codexIdx = lines.findIndex((l) => l.includes('Codex'));
+
+    expect(claudeIdx).toBeGreaterThan(-1);
+    expect(sepIdx).toBeGreaterThan(claudeIdx);
+    expect(codexIdx).toBeGreaterThan(sepIdx);
+  });
+
+  it('omits separator when only Claude rows exist', () => {
+    const lines = renderUsageTable([claudeRow], []);
+
+    expect(lines.some((l) => /^─+$/.test(l))).toBe(false);
+    expect(lines.some((l) => l.includes('Claude'))).toBe(true);
+  });
+
+  it('omits separator when only Codex rows exist', () => {
+    const lines = renderUsageTable([], [codexRow]);
+
+    expect(lines.some((l) => /^─+$/.test(l))).toBe(false);
+    expect(lines.some((l) => l.includes('Codex'))).toBe(true);
+  });
+
+  it('returns fallback text when both groups are empty', () => {
+    const lines = renderUsageTable([], []);
+    expect(lines).toEqual(['_조회 불가_']);
+  });
+});