feat: 모바일 UX 대폭 개선 + PWA 구현 + 로그인 루프 수정

- 모바일 하단 네비: 메뉴 제거, 4개 핵심 기능(홈/TBM/작업보고/출근) SVG 아이콘
- 모바일 사이드바 스킵: 768px 이하에서 사이드바 미로드, 레이아웃 오프셋 해결
- 모바일 헤더: 햄버거 메뉴 숨김, 본문 margin/overflow 정리
- TBM 모바일: 풀스크린 모달, 저장 버튼 하단 고정, 터치 UX 개선
- PWA: manifest.json, sw.js(network-first), 앱 아이콘, iOS 메타태그, 킬스위치
- 로그인 무한루프 수정: 토큰 만료 검증, 쿠키 정리, loginPage 경로 수정
- 신고 메뉴 tkreport 리다이렉트: navbar + sidebar cross-system-link 적용
- TBM API: 작업장별 안전점검 체크리스트 조회 엔드포인트 추가
- 안전점검 체크리스트 관리 UI 개선
- tkuser: 이슈유형 관리 기능 추가

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

system1-factory/api/models/tbmModel.js

@@ -97,22 +97,36 @@ const TbmModel = {
           w.worker_name as leader_name,
           w.job_type as leader_job_type,
           w.phone_number as leader_phone,
-          p.project_name,
-          p.job_no,
-          p.site,
-          wt.name as work_type_name,
-          wt.category as work_type_category,
-          t.task_name,
-          t.description as task_description,
           u.username as created_by_username,
-          u.name as created_by_name
+          u.name as created_by_name,
+          COUNT(DISTINCT ta.worker_id) as team_member_count,
+          first_p.project_name,
+          first_p.job_no,
+          first_wt.name as work_type_name,
+          first_wt.category as work_type_category,
+          first_t.task_name,
+          first_t.description as task_description,
+          first_wp.workplace_name as work_location,
+          first_wc.category_name as workplace_category_name
         FROM tbm_sessions s
         LEFT JOIN workers w ON s.leader_id = w.worker_id
-        LEFT JOIN projects p ON s.project_id = p.project_id
-        LEFT JOIN work_types wt ON s.work_type_id = wt.id
-        LEFT JOIN tasks t ON s.task_id = t.task_id
         LEFT JOIN users u ON s.created_by = u.user_id
+        LEFT JOIN tbm_team_assignments ta ON s.session_id = ta.session_id
+        LEFT JOIN (
+          SELECT * FROM tbm_team_assignments
+          WHERE (session_id, assignment_id) IN (
+            SELECT session_id, MIN(assignment_id)
+            FROM tbm_team_assignments
+            GROUP BY session_id
+          )
+        ) first_ta ON s.session_id = first_ta.session_id
+        LEFT JOIN projects first_p ON first_ta.project_id = first_p.project_id
+        LEFT JOIN work_types first_wt ON first_ta.work_type_id = first_wt.id
+        LEFT JOIN tasks first_t ON first_ta.task_id = first_t.task_id
+        LEFT JOIN workplaces first_wp ON first_ta.workplace_id = first_wp.workplace_id
+        LEFT JOIN workplace_categories first_wc ON first_ta.workplace_category_id = first_wc.category_id
         WHERE s.session_id = ?
+        GROUP BY s.session_id
       `;
 
       const [rows] = await db.query(sql, [sessionId]);
@@ -174,6 +188,23 @@ const TbmModel = {
     }
   },
 
+  /**
+   * TBM 세션 삭제 (draft 상태만 가능)
+   */
+  deleteSession: async (sessionId, callback) => {
+    try {
+      const db = await getDb();
+      // draft 상태인 세션만 삭제 허용
+      const [result] = await db.query(
+        `DELETE FROM tbm_sessions WHERE session_id = ? AND status = 'draft'`,
+        [sessionId]
+      );
+      callback(null, result);
+    } catch (err) {
+      callback(err);
+    }
+  },
+
   // ==================== 팀 구성 관련 ====================
 
   /**