feat: restore database from backup and fix date formatting in restore script

index.html

@@ -10,7 +10,6 @@
     <link rel="stylesheet" href="/src/styles/modal.css" />
     <link rel="stylesheet" href="/src/styles/dashboard.css" />
     <link rel="stylesheet" href="/src/styles/table.css" />
-    <link rel="stylesheet" href="/src/styles/guide.css" />
     <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/chartjs-plugin-datalabels@2.0.0"></script>
   </head>
@@ -20,7 +19,7 @@
       <header class="main-header">
         <div class="header-container" id="nav-container">
           <div class="brand">
-            <h1>HM <span>IT 자산관리 시스템</span></h1>
+            <h1>HM <span>ITAM</span></h1>
           </div>
           
           <!-- Navigation (GNB + LNB in same row) -->
@@ -29,9 +28,6 @@
           </nav>
 
           <div class="header-actions">
-            <button id="btn-open-guide-header" class="btn btn-outline" title="사용 가이드 열기">
-              <i data-lucide="book-open"></i> 가이드
-            </button>
             <button id="btn-download-template" class="btn btn-outline" title="통합 양식 다운로드">
               <i data-lucide="download"></i> 양식
             </button>