fix(tbm): "내 TBM 아님" 근본 수정 — currentUser 로드 + id 호환

- tbm-mobile.js: localStorage('sso_user') → getCurrentUser() 전환
- isMySession: currentUser.id도 비교 (tkfb-core가 id만 설정)
- tbm-create.js: leaderId fallback (allWorkers 미로드 대응 + String 비교)
- 마이그레이션: NULL leader_user_id → created_by로 복구

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

system1-factory/web/js/tbm-create.js

@@ -41,12 +41,14 @@
       W.sessionDate = window.TbmUtils.getTodayKST();
       var user = window.TbmState.getUser();
       if (user) {
-        if (user.user_id) {
-          var worker = window.TbmState.allWorkers.find(function(w) { return w.user_id === user.user_id; });
+        var uid = user.user_id || user.id;
+        if (uid) {
+          var worker = window.TbmState.allWorkers.find(function(w) { return String(w.user_id) === String(uid); });
           if (worker) {
             W.leaderId = worker.user_id;
             W.leaderName = worker.worker_name;
           } else {
+            W.leaderId = uid;
             W.leaderName = user.name || '';
           }
         } else {