fix(monthly-comparison): 버튼 깜빡임 제거 + 뱃지 색상 구별

- bottomActions: HTML에서 기본 hidden (JS 로드 전 깜빡임 방지)
- 검토완료: 초록 배경, 확인완료: 진한 초록, 확인요청: 파랑, 수정요청: 주황

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

system1-factory/web/css/monthly-comparison.css

@@ -209,10 +209,10 @@
     font-size: 0.65rem; font-weight: 600;
     padding: 2px 8px; border-radius: 10px;
 }
-.mc-worker-status-badge.confirmed { background: #dcfce7; color: #166534; }
-.mc-worker-status-badge.admin_checked { background: #dbeafe; color: #1e40af; }
+.mc-worker-status-badge.confirmed { background: #166534; color: white; }
+.mc-worker-status-badge.admin_checked { background: #dcfce7; color: #166534; }
 .mc-worker-status-badge.pending { background: #fef3c7; color: #92400e; }
-.mc-worker-status-badge.review_sent { background: #e0e7ff; color: #3730a3; }
+.mc-worker-status-badge.review_sent { background: #dbeafe; color: #1e40af; }
 .mc-worker-status-badge.change_request { background: #fff7ed; color: #c2410c; }
 .mc-worker-status-badge.rejected { background: #fef2f2; color: #991b1b; }
 .mc-worker-reject-reason {

system1-factory/web/pages/attendance/monthly-comparison.html

@@ -73,7 +73,7 @@
               <div class="ds-skeleton"></div>
             </div>
 
-            <div class="mc-bottom-actions" id="bottomActions">
+            <div class="mc-bottom-actions hidden" id="bottomActions">
               <button type="button" class="mc-confirm-btn" id="confirmBtn" onclick="confirmMonth()">
                 <i class="fas fa-check-circle mr-2"></i>확인 완료
               </button>
@@ -164,7 +164,7 @@
 
     <script src="/static/js/tkfb-core.js?v=2026033108"></script>
     <script src="/js/api-base.js?v=2026031701"></script>
-    <script src="/js/monthly-comparison.js?v=2026040105"></script>
+    <script src="/js/monthly-comparison.js?v=2026040106"></script>
     <script>initAuth();</script>
 </body>
 </html>