diff --git a/system1-factory/web/js/admin-settings.js b/system1-factory/web/js/admin-settings.js
index d157bcb..8b8b820 100644
--- a/system1-factory/web/js/admin-settings.js
+++ b/system1-factory/web/js/admin-settings.js
@@ -533,7 +533,8 @@ async function toggleUserStatus(userId) {
 function handleLogout() {
   if (confirm('로그아웃하시겠습니까?')) {
     localStorage.clear();
-    window.location.href = '/login';
+    if (window.clearSSOAuth) window.clearSSOAuth();
+    window.location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
   }
 }
 
diff --git a/system1-factory/web/js/admin.js b/system1-factory/web/js/admin.js
index bcfe2ee..1a6a5c5 100644
--- a/system1-factory/web/js/admin.js
+++ b/system1-factory/web/js/admin.js
@@ -1,9 +1,9 @@
 // ✅ /js/admin.js (수정됨 - 중복 로딩 제거)
 async function initDashboard() {
   // 로그인 토큰 확인
-  const token = localStorage.getItem('sso_token');
+  const token = localStorage.getItem('sso_token') || (window.getSSOToken ? window.getSSOToken() : null);
   if (!token) {
-    location.href = '/login';
+    location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
     return;
   }
 
diff --git a/system1-factory/web/js/api-base.js b/system1-factory/web/js/api-base.js
index f90b434..8c1299d 100644
--- a/system1-factory/web/js/api-base.js
+++ b/system1-factory/web/js/api-base.js
@@ -1,6 +1,18 @@
 // /js/api-base.js
 // API 기본 설정 및 보안 유틸리티 (비모듈 - 빠른 로딩용)
 
+// ==================== SW 캐시 강제 해제 (PWA 홈화면 추가 대응) ====================
+if ('serviceWorker' in navigator) {
+  navigator.serviceWorker.getRegistrations().then(function(regs) {
+    regs.forEach(function(reg) { reg.unregister(); });
+  });
+}
+if ('caches' in window) {
+  caches.keys().then(function(keys) {
+    keys.forEach(function(key) { caches.delete(key); });
+  });
+}
+
 (function() {
   'use strict';
 
diff --git a/system1-factory/web/js/change-password.js b/system1-factory/web/js/change-password.js
index da68820..8bb6c8e 100644
--- a/system1-factory/web/js/change-password.js
+++ b/system1-factory/web/js/change-password.js
@@ -184,9 +184,8 @@ form?.addEventListener('submit', async (e) => {
         
         if (countdown < 0) {
           clearInterval(countdownInterval);
-          localStorage.removeItem('sso_token');
-          localStorage.removeItem('sso_user');
-          window.location.href = '/login';
+          if (window.clearSSOAuth) window.clearSSOAuth();
+          window.location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
         }
       }, 1000);
       
diff --git a/system1-factory/web/js/config.js b/system1-factory/web/js/config.js
index f2d5a54..4694d11 100644
--- a/system1-factory/web/js/config.js
+++ b/system1-factory/web/js/config.js
@@ -15,7 +15,7 @@ export const config = {
   // 페이지 경로 설정
   paths: {
     // 로그인 페이지 경로
-    loginPage: '/index.html',
+    loginPage: '/login',
     // 메인 대시보드 경로 (모든 사용자 공통)
     dashboard: '/pages/dashboard.html',
     // 하위 호환성을 위한 별칭들
diff --git a/system1-factory/web/js/daily-work-report.js b/system1-factory/web/js/daily-work-report.js
index c83becf..8bd66ec 100644
--- a/system1-factory/web/js/daily-work-report.js
+++ b/system1-factory/web/js/daily-work-report.js
@@ -76,7 +76,10 @@ async function loadIncompleteTbms() {
 
     // 사용자 권한 확인 및 필터링
     const user = getUser();
-    if (user && user.role !== 'Admin' && user.access_level !== 'system') {
+    const userRole = (user && user.role || '').toLowerCase();
+    const userAccess = (user && user.access_level || '').toLowerCase();
+    const isAdmin = userRole === 'admin' || userAccess === 'admin' || userAccess === 'system';
+    if (user && !isAdmin) {
       // 일반 사용자: 자신이 생성한 세션만 표시
       const userId = user.user_id;
       data = data.filter(tbm => tbm.created_by === userId);
diff --git a/system1-factory/web/js/load-navbar.js b/system1-factory/web/js/load-navbar.js
index 3baa3d0..ec8ec1a 100644
--- a/system1-factory/web/js/load-navbar.js
+++ b/system1-factory/web/js/load-navbar.js
@@ -148,7 +148,8 @@ function setupNavbarEvents() {
     logoutButton.addEventListener('click', () => {
       if (confirm('로그아웃 하시겠습니까?')) {
         clearAuthData();
-        window.location.href = config.paths.loginPage;
+        if (window.clearSSOAuth) window.clearSSOAuth();
+        window.location.href = config.paths.loginPage + '?redirect=' + encodeURIComponent('/pages/dashboard.html');
       }
     });
   }
diff --git a/system1-factory/web/js/manage-user.js b/system1-factory/web/js/manage-user.js
index f976cfd..253195e 100644
--- a/system1-factory/web/js/manage-user.js
+++ b/system1-factory/web/js/manage-user.js
@@ -72,9 +72,8 @@ myPasswordForm?.addEventListener('submit', async e => {
       // 3초 후 로그인 페이지로 이동
       setTimeout(() => {
         alert('비밀번호가 변경되어 다시 로그인해주세요.');
-        localStorage.removeItem('sso_token');
-        localStorage.removeItem('sso_user');
-        window.location.href = '/login';
+        if (window.clearSSOAuth) window.clearSSOAuth();
+        window.location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
       }, 2000);
     } else {
       alert('❌ 비밀번호 변경 실패: ' + (result.error || '현재 비밀번호가 올바르지 않습니다.'));
diff --git a/system1-factory/web/js/modern-dashboard.js b/system1-factory/web/js/modern-dashboard.js
index d3acd5b..ea5be23 100644
--- a/system1-factory/web/js/modern-dashboard.js
+++ b/system1-factory/web/js/modern-dashboard.js
@@ -152,7 +152,8 @@ function setupEventListeners() {
     elements.logoutBtn.addEventListener('click', () => {
       if (confirm('로그아웃하시겠습니까?')) {
         localStorage.clear();
-        window.location.href = '/login';
+        if (window.clearSSOAuth) window.clearSSOAuth();
+        window.location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
       }
     });
   }
diff --git a/system1-factory/web/js/navigation.js b/system1-factory/web/js/navigation.js
index 18d0012..b854d9b 100644
--- a/system1-factory/web/js/navigation.js
+++ b/system1-factory/web/js/navigation.js
@@ -13,8 +13,9 @@ function redirect(url) {
  * 로그인 페이지로 리디렉션합니다.
  */
 export function redirectToLogin() {
-  console.log(`🔄 로그인 페이지로 이동합니다: ${config.paths.loginPage}`);
-  redirect(config.paths.loginPage);
+  const loginUrl = config.paths.loginPage + '?redirect=' + encodeURIComponent(window.location.href);
+  console.log(`🔄 로그인 페이지로 이동합니다: ${loginUrl}`);
+  redirect(loginUrl);
 }
 
 /**
diff --git a/system1-factory/web/js/project-management.js b/system1-factory/web/js/project-management.js
index 42ac7d6..86822ce 100644
--- a/system1-factory/web/js/project-management.js
+++ b/system1-factory/web/js/project-management.js
@@ -77,10 +77,8 @@ function setupLogoutButton() {
   if (logoutBtn) {
     logoutBtn.addEventListener('click', function() {
       if (confirm('로그아웃 하시겠습니까?')) {
-        localStorage.removeItem('sso_token');
-        localStorage.removeItem('sso_user');
-        localStorage.removeItem('userInfo');
-        window.location.href = '/login';
+        if (window.clearSSOAuth) window.clearSSOAuth();
+        window.location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
       }
     });
   }
diff --git a/system1-factory/web/js/tbm-create.js b/system1-factory/web/js/tbm-create.js
index a75e2ad..ba51d7e 100644
--- a/system1-factory/web/js/tbm-create.js
+++ b/system1-factory/web/js/tbm-create.js
@@ -73,6 +73,7 @@
   // ==================== 네비게이션 ====================
 
   window.nextStep = function() {
+    console.log('[TBM Create] nextStep called, current step:', W.step, 'workTypeId:', W.workTypeId);
     if (!validateStep(W.step)) return;
     if (W.step < W.totalSteps) {
       W.step++;
@@ -84,6 +85,7 @@
   };
 
   window.prevStep = function() {
+    console.log('[TBM Create] prevStep called, current step:', W.step);
     if (W.step > 1) {
       W.step--;
       renderStep(W.step);
@@ -117,30 +119,45 @@
     });
   }
 
+  // 네비게이션 버튼: 단일 핸들러 (DOM 교체 없이 상태 기반 분기)
+  var _navAction = { prev: null, next: null };
+
   function updateNav() {
     var prevBtn = document.getElementById('prevBtn');
     var nextBtn = document.getElementById('nextBtn');
 
     if (W.step === 1) {
       prevBtn.style.visibility = 'hidden';
-      prevBtn.onclick = null;
+      _navAction.prev = null;
     } else {
       prevBtn.style.visibility = 'visible';
-      prevBtn.onclick = window.prevStep;
+      _navAction.prev = window.prevStep;
     }
 
     if (W.step === W.totalSteps) {
       nextBtn.className = 'nav-btn nav-btn-save';
-      nextBtn.innerHTML = '저장';
-      nextBtn.onclick = saveWizard;
+      nextBtn.textContent = '저장';
+      _navAction.next = saveWizard;
     } else {
       nextBtn.className = 'nav-btn nav-btn-next';
       nextBtn.innerHTML = '다음 &#8594;';
-      nextBtn.onclick = window.nextStep;
+      _navAction.next = window.nextStep;
     }
     nextBtn.disabled = false;
   }
 
+  // 한번만 등록하는 이벤트 리스너
+  document.addEventListener('DOMContentLoaded', function() {
+    document.getElementById('prevBtn').addEventListener('click', function(e) {
+      e.preventDefault();
+      if (_navAction.prev) _navAction.prev();
+    });
+    document.getElementById('nextBtn').addEventListener('click', function(e) {
+      e.preventDefault();
+      if (_navAction.next) _navAction.next();
+    });
+  });
+
   // ==================== 유효성 검사 ====================
 
   function validateStep(step) {
@@ -365,6 +382,7 @@
   };
 
   window.selectWorkType = function(id, name) {
+    console.log('[TBM Create] selectWorkType:', id, name);
     W.workTypeId = id;
     W.workTypeName = name;
     // Update pill buttons
diff --git a/system1-factory/web/js/work-analysis.js b/system1-factory/web/js/work-analysis.js
index f5951a1..bc3b9fa 100644
--- a/system1-factory/web/js/work-analysis.js
+++ b/system1-factory/web/js/work-analysis.js
@@ -82,10 +82,8 @@ function setupLogoutButton() {
   if (logoutBtn) {
     logoutBtn.addEventListener('click', function() {
       if (confirm('로그아웃 하시겠습니까?')) {
-        localStorage.removeItem('sso_token');
-        localStorage.removeItem('sso_user');
-        localStorage.removeItem('userInfo');
-        window.location.href = '/login';
+        if (window.clearSSOAuth) window.clearSSOAuth();
+        window.location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
       }
     });
   }
diff --git a/system1-factory/web/js/work-management.js b/system1-factory/web/js/work-management.js
index 1bc6adf..136a557 100644
--- a/system1-factory/web/js/work-management.js
+++ b/system1-factory/web/js/work-management.js
@@ -76,10 +76,8 @@ function setupLogoutButton() {
   if (logoutBtn) {
     logoutBtn.addEventListener('click', function() {
       if (confirm('로그아웃 하시겠습니까?')) {
-        localStorage.removeItem('sso_token');
-        localStorage.removeItem('sso_user');
-        localStorage.removeItem('userInfo');
-        window.location.href = '/login';
+        if (window.clearSSOAuth) window.clearSSOAuth();
+        window.location.href = window.getLoginUrl ? window.getLoginUrl() : '/login';
       }
     });
   }
diff --git a/system1-factory/web/pages/admin/accounts.html b/system1-factory/web/pages/admin/accounts.html
index 8cdc639..c0f0bcd 100644
--- a/system1-factory/web/pages/admin/accounts.html
+++ b/system1-factory/web/pages/admin/accounts.html
@@ -278,7 +278,7 @@
     <div class="toast-container" id="toastContainer"></div>
 
     <!-- JavaScript -->
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <script src="/js/admin-settings.js?v=9"></script>
diff --git a/system1-factory/web/pages/admin/attendance-report.html b/system1-factory/web/pages/admin/attendance-report.html
index 95f399e..da24f50 100644
--- a/system1-factory/web/pages/admin/attendance-report.html
+++ b/system1-factory/web/pages/admin/attendance-report.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/admin/departments.html b/system1-factory/web/pages/admin/departments.html
index 44250c3..9f489b4 100644
--- a/system1-factory/web/pages/admin/departments.html
+++ b/system1-factory/web/pages/admin/departments.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/admin/equipment-detail.html b/system1-factory/web/pages/admin/equipment-detail.html
index 29f927f..6bd998a 100644
--- a/system1-factory/web/pages/admin/equipment-detail.html
+++ b/system1-factory/web/pages/admin/equipment-detail.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="stylesheet" href="/css/equipment-detail.css?v=1">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
 </head>
 <body>
diff --git a/system1-factory/web/pages/admin/equipments.html b/system1-factory/web/pages/admin/equipments.html
index 407b5b1..6bd788b 100644
--- a/system1-factory/web/pages/admin/equipments.html
+++ b/system1-factory/web/pages/admin/equipments.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="stylesheet" href="/css/equipment-management.css?v=1">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
 </head>
 <body>
diff --git a/system1-factory/web/pages/admin/issue-categories.html b/system1-factory/web/pages/admin/issue-categories.html
index 2d3eb9f..bdd3a2b 100644
--- a/system1-factory/web/pages/admin/issue-categories.html
+++ b/system1-factory/web/pages/admin/issue-categories.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/admin/notifications.html b/system1-factory/web/pages/admin/notifications.html
index 9a34ce8..b47db6f 100644
--- a/system1-factory/web/pages/admin/notifications.html
+++ b/system1-factory/web/pages/admin/notifications.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/admin/projects.html b/system1-factory/web/pages/admin/projects.html
index 5f39a15..eb36f68 100644
--- a/system1-factory/web/pages/admin/projects.html
+++ b/system1-factory/web/pages/admin/projects.html
@@ -366,7 +366,7 @@
     </div>
   </div>
 
-  <script src="/js/api-base.js?v=2"></script>
+  <script src="/js/api-base.js?v=3"></script>
   <script src="/js/app-init.js?v=9" defer></script>
   <script>
     let allProjects = [];
diff --git a/system1-factory/web/pages/admin/repair-management.html b/system1-factory/web/pages/admin/repair-management.html
index cc8552e..024e62a 100644
--- a/system1-factory/web/pages/admin/repair-management.html
+++ b/system1-factory/web/pages/admin/repair-management.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <style>
         .repair-page {
diff --git a/system1-factory/web/pages/admin/tasks.html b/system1-factory/web/pages/admin/tasks.html
index 15a5765..caf2252 100644
--- a/system1-factory/web/pages/admin/tasks.html
+++ b/system1-factory/web/pages/admin/tasks.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <style>
       .page-wrapper { padding: 1rem 1.5rem; max-width: 1400px; }
diff --git a/system1-factory/web/pages/admin/workers.html b/system1-factory/web/pages/admin/workers.html
index c972c79..e6a9275 100644
--- a/system1-factory/web/pages/admin/workers.html
+++ b/system1-factory/web/pages/admin/workers.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="icon" type="image/png" href="/img/favicon.png">
     <!-- 최적화된 로딩: API 설정 → 앱 초기화 (병렬 컴포넌트 로딩) -->
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <!-- instant.page: 링크 호버 시 페이지 프리로딩 -->
     <script src="https://instant.page/5.2.0" type="module"></script>
diff --git a/system1-factory/web/pages/admin/workplaces.html b/system1-factory/web/pages/admin/workplaces.html
index 2378d91..c6de001 100644
--- a/system1-factory/web/pages/admin/workplaces.html
+++ b/system1-factory/web/pages/admin/workplaces.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="stylesheet" href="/css/workplace-management.css?v=7">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
 </head>
diff --git a/system1-factory/web/pages/attendance/annual-overview.html b/system1-factory/web/pages/attendance/annual-overview.html
index 3508eca..6135319 100644
--- a/system1-factory/web/pages/attendance/annual-overview.html
+++ b/system1-factory/web/pages/attendance/annual-overview.html
@@ -7,7 +7,7 @@
   <link rel="stylesheet" href="/css/design-system.css">
   <link rel="stylesheet" href="/css/admin-pages.css?v=7">
   <link rel="icon" type="image/png" href="/img/favicon.png">
-  <script src="/js/api-base.js?v=2"></script>
+  <script src="/js/api-base.js?v=3"></script>
   <script src="/js/app-init.js?v=9" defer></script>
   <style>
     .page-wrapper {
diff --git a/system1-factory/web/pages/attendance/checkin.html b/system1-factory/web/pages/attendance/checkin.html
index ab72d27..8878804 100644
--- a/system1-factory/web/pages/attendance/checkin.html
+++ b/system1-factory/web/pages/attendance/checkin.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="stylesheet" href="/css/mobile.css?v=1">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/attendance/daily.html b/system1-factory/web/pages/attendance/daily.html
index d3661b2..0009977 100644
--- a/system1-factory/web/pages/attendance/daily.html
+++ b/system1-factory/web/pages/attendance/daily.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
 </head>
diff --git a/system1-factory/web/pages/attendance/monthly.html b/system1-factory/web/pages/attendance/monthly.html
index 4fc2337..2bcf539 100644
--- a/system1-factory/web/pages/attendance/monthly.html
+++ b/system1-factory/web/pages/attendance/monthly.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/attendance/my-vacation-info.html b/system1-factory/web/pages/attendance/my-vacation-info.html
index 0371320..fb147ac 100644
--- a/system1-factory/web/pages/attendance/my-vacation-info.html
+++ b/system1-factory/web/pages/attendance/my-vacation-info.html
@@ -7,7 +7,7 @@
   <link rel="stylesheet" href="/css/design-system.css">
   <link rel="stylesheet" href="/css/admin-pages.css?v=7">
   <link rel="icon" type="image/png" href="/img/favicon.png">
-  <script src="/js/api-base.js?v=2"></script>
+  <script src="/js/api-base.js?v=3"></script>
   <script src="/js/app-init.js?v=9" defer></script>
   <style>
     .page-wrapper {
diff --git a/system1-factory/web/pages/attendance/vacation-allocation.html b/system1-factory/web/pages/attendance/vacation-allocation.html
index d028082..2edb317 100644
--- a/system1-factory/web/pages/attendance/vacation-allocation.html
+++ b/system1-factory/web/pages/attendance/vacation-allocation.html
@@ -12,7 +12,7 @@
   <link rel="icon" type="image/png" href="/img/favicon.png">
 
   <!-- 스크립트 -->
-  <script src="/js/api-base.js?v=2"></script>
+  <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
   <script type="module" src="/js/vacation-allocation.js" defer></script>
diff --git a/system1-factory/web/pages/attendance/vacation-approval.html b/system1-factory/web/pages/attendance/vacation-approval.html
index b061db9..173645d 100644
--- a/system1-factory/web/pages/attendance/vacation-approval.html
+++ b/system1-factory/web/pages/attendance/vacation-approval.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/attendance/vacation-input.html b/system1-factory/web/pages/attendance/vacation-input.html
index a548f23..8ce6c43 100644
--- a/system1-factory/web/pages/attendance/vacation-input.html
+++ b/system1-factory/web/pages/attendance/vacation-input.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
 </head>
diff --git a/system1-factory/web/pages/attendance/vacation-management.html b/system1-factory/web/pages/attendance/vacation-management.html
index 4aaad4e..227a86d 100644
--- a/system1-factory/web/pages/attendance/vacation-management.html
+++ b/system1-factory/web/pages/attendance/vacation-management.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/attendance/vacation-request.html b/system1-factory/web/pages/attendance/vacation-request.html
index 0d2d0c7..b4407e3 100644
--- a/system1-factory/web/pages/attendance/vacation-request.html
+++ b/system1-factory/web/pages/attendance/vacation-request.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
 </head>
diff --git a/system1-factory/web/pages/attendance/work-status.html b/system1-factory/web/pages/attendance/work-status.html
index 72e62f1..13600c3 100644
--- a/system1-factory/web/pages/attendance/work-status.html
+++ b/system1-factory/web/pages/attendance/work-status.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=7">
     <link rel="stylesheet" href="/css/mobile.css?v=1">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <style>
       .page-wrapper {
diff --git a/system1-factory/web/pages/dashboard.html b/system1-factory/web/pages/dashboard.html
index f29b4cf..133285d 100644
--- a/system1-factory/web/pages/dashboard.html
+++ b/system1-factory/web/pages/dashboard.html
@@ -9,7 +9,7 @@
   <!-- 리소스 프리로딩 -->
   <!-- preconnect는 Gateway 프록시 사용 시 불필요 -->
   <link rel="preload" href="/css/design-system.css" as="style">
-  <link rel="preload" href="/js/api-base.js?v=2" as="script">
+  <link rel="preload" href="/js/api-base.js?v=3" as="script">
   <link rel="preload" href="/js/app-init.js?v=9" as="script">
 
   <!-- 모던 디자인 시스템 적용 -->
@@ -18,13 +18,8 @@
   <link rel="stylesheet" href="/css/mobile.css?v=4">
   <link rel="icon" type="image/png" href="/img/favicon.png">
 
-  <!-- SW 캐시 강제 해제 -->
-  <script>
-  if('serviceWorker' in navigator){navigator.serviceWorker.getRegistrations().then(function(r){r.forEach(function(reg){reg.unregister()});})}
-  if('caches' in window){caches.keys().then(function(k){k.forEach(function(key){caches.delete(key)})})}
-  </script>
-  <!-- 최적화된 로딩: API 설정 → 앱 초기화 (병렬 컴포넌트 로딩) -->
-  <script src="/js/api-base.js?v=2"></script>
+  <!-- api-base.js에서 SW 캐시 강제 해제 처리 -->
+  <script src="/js/api-base.js?v=3"></script>
   <script src="/js/app-init.js?v=9" defer></script>
   <script type="module" src="/js/modern-dashboard.js?v=10" defer></script>
   <script type="module" src="/js/group-leader-dashboard.js?v=1" defer></script>
diff --git a/system1-factory/web/pages/inspection/daily-patrol.html b/system1-factory/web/pages/inspection/daily-patrol.html
index 78481a6..f8ccfb1 100644
--- a/system1-factory/web/pages/inspection/daily-patrol.html
+++ b/system1-factory/web/pages/inspection/daily-patrol.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="stylesheet" href="/css/daily-patrol.css?v=4">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
 </head>
 <body>
diff --git a/system1-factory/web/pages/inspection/zone-detail.html b/system1-factory/web/pages/inspection/zone-detail.html
index 035cc59..428fe58 100644
--- a/system1-factory/web/pages/inspection/zone-detail.html
+++ b/system1-factory/web/pages/inspection/zone-detail.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/admin-pages.css?v=8">
     <link rel="stylesheet" href="/css/zone-detail.css?v=3">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
 </head>
 <body>
diff --git a/system1-factory/web/pages/safety/checklist-manage.html b/system1-factory/web/pages/safety/checklist-manage.html
index e4396f8..5982473 100644
--- a/system1-factory/web/pages/safety/checklist-manage.html
+++ b/system1-factory/web/pages/safety/checklist-manage.html
@@ -627,7 +627,7 @@
     </div>
   </div>
 
-  <script src="/js/api-base.js?v=2"></script>
+  <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
   <script type="module" src="/js/safety-checklist-manage.js"></script>
diff --git a/system1-factory/web/pages/safety/management.html b/system1-factory/web/pages/safety/management.html
index 7b59d66..84222f8 100644
--- a/system1-factory/web/pages/safety/management.html
+++ b/system1-factory/web/pages/safety/management.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/common.css?v=2">
     <link rel="stylesheet" href="/css/project-management.css?v=3">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/safety/report.html b/system1-factory/web/pages/safety/report.html
index 91e1274..6db0012 100644
--- a/system1-factory/web/pages/safety/report.html
+++ b/system1-factory/web/pages/safety/report.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/common.css?v=2">
     <link rel="stylesheet" href="/css/project-management.css?v=3">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/safety/training-conduct.html b/system1-factory/web/pages/safety/training-conduct.html
index aaab150..20b3124 100644
--- a/system1-factory/web/pages/safety/training-conduct.html
+++ b/system1-factory/web/pages/safety/training-conduct.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/common.css?v=2">
     <link rel="stylesheet" href="/css/project-management.css?v=3">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/safety/visit-request.html b/system1-factory/web/pages/safety/visit-request.html
index f2ddb08..bb9fe85 100644
--- a/system1-factory/web/pages/safety/visit-request.html
+++ b/system1-factory/web/pages/safety/visit-request.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/common.css?v=2">
     <link rel="stylesheet" href="/css/project-management.css?v=3">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/work/analysis.html b/system1-factory/web/pages/work/analysis.html
index ba9c333..776bc8f 100644
--- a/system1-factory/web/pages/work/analysis.html
+++ b/system1-factory/web/pages/work/analysis.html
@@ -10,7 +10,7 @@
     <link rel="stylesheet" href="/css/design-system.css">
     <link rel="stylesheet" href="/css/work-analysis.css?v=41">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.js"></script>
diff --git a/system1-factory/web/pages/work/nonconformity.html b/system1-factory/web/pages/work/nonconformity.html
index b3ca1d0..b3282ed 100644
--- a/system1-factory/web/pages/work/nonconformity.html
+++ b/system1-factory/web/pages/work/nonconformity.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/common.css?v=2">
     <link rel="stylesheet" href="/css/project-management.css?v=3">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>
diff --git a/system1-factory/web/pages/work/report-create-mobile.html b/system1-factory/web/pages/work/report-create-mobile.html
index d77fa3d..c7949cd 100644
--- a/system1-factory/web/pages/work/report-create-mobile.html
+++ b/system1-factory/web/pages/work/report-create-mobile.html
@@ -8,7 +8,7 @@
   <link rel="stylesheet" href="/css/daily-work-report-mobile.css?v=1">
   <link rel="stylesheet" href="/css/mobile.css?v=1">
   <link rel="icon" type="image/png" href="/img/favicon.png">
-  <script src="/js/api-base.js?v=2"></script>
+  <script src="/js/api-base.js?v=3"></script>
   <script src="/js/app-init.js?v=9" defer></script>
   <style>
     /* 데스크탑이면 리다이렉트 */
diff --git a/system1-factory/web/pages/work/report-create.html b/system1-factory/web/pages/work/report-create.html
index e47d08b..617d89e 100644
--- a/system1-factory/web/pages/work/report-create.html
+++ b/system1-factory/web/pages/work/report-create.html
@@ -8,13 +8,8 @@
   <link rel="stylesheet" href="/css/daily-work-report.css?v=13">
   <link rel="stylesheet" href="/css/mobile.css?v=1">
   <link rel="icon" type="image/png" href="/img/favicon.png">
-  <!-- SW 캐시 강제 해제 (Chrome 대응) -->
-  <script>
-  if('serviceWorker' in navigator){navigator.serviceWorker.getRegistrations().then(function(r){r.forEach(function(reg){reg.unregister()});})}
-  if('caches' in window){caches.keys().then(function(k){k.forEach(function(key){caches.delete(key)})})}
-  </script>
-  <!-- 최적화된 로딩 -->
-  <script src="/js/api-base.js?v=2"></script>
+  <!-- api-base.js에서 SW 캐시 강제 해제 처리 -->
+  <script src="/js/api-base.js?v=3"></script>
   <script src="/js/app-init.js?v=9" defer></script>
   <script src="https://instant.page/5.2.0" type="module"></script>
 </head>
diff --git a/system1-factory/web/pages/work/tbm-create.html b/system1-factory/web/pages/work/tbm-create.html
index d2e16b2..ffc1248 100644
--- a/system1-factory/web/pages/work/tbm-create.html
+++ b/system1-factory/web/pages/work/tbm-create.html
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
     <title>TBM 시작 | (주)테크니컬코리아</title>
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <style>
         * { box-sizing: border-box; }
@@ -804,8 +804,8 @@
 
     <!-- Fixed Bottom Nav -->
     <div class="wizard-nav" id="wizardNav">
-        <button type="button" class="nav-btn nav-btn-prev" id="prevBtn" onclick="prevStep()" style="visibility:hidden;">&#8592; 이전</button>
-        <button type="button" class="nav-btn nav-btn-next" id="nextBtn" onclick="nextStep()">다음 &#8594;</button>
+        <button type="button" class="nav-btn nav-btn-prev" id="prevBtn" style="visibility:hidden;">&#8592; 이전</button>
+        <button type="button" class="nav-btn nav-btn-next" id="nextBtn">다음 &#8594;</button>
     </div>
 
     <!-- Landscape Map Overlay removed - workplace selection moved to detail edit stage -->
@@ -821,12 +821,12 @@
 
     <!-- Scripts -->
     <!-- 공통 모듈 -->
-    <script src="/js/common/utils.js?v=1"></script>
-    <script src="/js/common/base-state.js?v=1"></script>
+    <script src="/js/common/utils.js?v=2"></script>
+    <script src="/js/common/base-state.js?v=2"></script>
 
-    <script src="/js/tbm/state.js?v=2"></script>
-    <script src="/js/tbm/utils.js?v=2"></script>
-    <script src="/js/tbm/api.js?v=3"></script>
-    <script src="/js/tbm-create.js?v=13"></script>
+    <script src="/js/tbm/state.js?v=3"></script>
+    <script src="/js/tbm/utils.js?v=3"></script>
+    <script src="/js/tbm/api.js?v=4"></script>
+    <script src="/js/tbm-create.js?v=14"></script>
 </body>
 </html>
diff --git a/system1-factory/web/pages/work/tbm-mobile.html b/system1-factory/web/pages/work/tbm-mobile.html
index 56cb6ba..607f095 100644
--- a/system1-factory/web/pages/work/tbm-mobile.html
+++ b/system1-factory/web/pages/work/tbm-mobile.html
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
     <title>TBM | (주)테크니컬코리아</title>
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <link rel="stylesheet" href="/css/tbm-mobile.css?v=1">
 
@@ -271,11 +271,11 @@
     </div>
 
     <!-- 공통 모듈 -->
-    <script src="/js/common/utils.js?v=1"></script>
-    <script src="/js/common/base-state.js?v=1"></script>
+    <script src="/js/common/utils.js?v=2"></script>
+    <script src="/js/common/base-state.js?v=2"></script>
 
-    <script src="/js/tbm/state.js?v=2"></script>
-    <script src="/js/tbm/utils.js?v=2"></script>
+    <script src="/js/tbm/state.js?v=3"></script>
+    <script src="/js/tbm/utils.js?v=3"></script>
     <script src="/js/tbm/api.js?v=4"></script>
     <script src="/js/tbm-mobile.js?v=3"></script>
 </body>
diff --git a/system1-factory/web/pages/work/tbm.html b/system1-factory/web/pages/work/tbm.html
index 4eda6a1..d34fcbe 100644
--- a/system1-factory/web/pages/work/tbm.html
+++ b/system1-factory/web/pages/work/tbm.html
@@ -10,7 +10,7 @@
     <link rel="stylesheet" href="/css/mobile.css?v=1">
     <link rel="icon" type="image/png" href="/img/favicon.png">
     <!-- 최적화된 로딩: API 설정 → 앱 초기화 (병렬 컴포넌트 로딩) -->
-    <script src="/js/api-base.js?v=2"></script>
+    <script src="/js/api-base.js?v=3"></script>
     <script src="/js/app-init.js?v=9" defer></script>
     <!-- instant.page: 링크 호버 시 페이지 프리로딩 -->
     <script src="https://instant.page/5.2.0" type="module"></script>
@@ -731,12 +731,12 @@
   </div>
 
     <!-- 공통 모듈 -->
-    <script src="/js/common/utils.js?v=1"></script>
-    <script src="/js/common/base-state.js?v=1"></script>
+    <script src="/js/common/utils.js?v=2"></script>
+    <script src="/js/common/base-state.js?v=2"></script>
 
     <!-- TBM 모듈 (리팩토링된 구조) -->
-    <script src="/js/tbm/state.js?v=2"></script>
-    <script src="/js/tbm/utils.js?v=2"></script>
+    <script src="/js/tbm/state.js?v=3"></script>
+    <script src="/js/tbm/utils.js?v=3"></script>
     <script src="/js/tbm/api.js?v=4"></script>
 
     <!-- 기존 UI 로직 (점진적 마이그레이션) -->