chore: checkpoint stable battle and eidolon progression

internal/gameserver/gateway.go

@@ -197,19 +197,27 @@ func watchFreesrData(session *Session) {
 		case <-session.Done():
 			return
 		case <-ticker.C:
+			session.stateMu.Lock()
+			if err := syncPersistedExRanks(session); err != nil {
+				Log("[EX-RANK SYNC] " + err.Error())
+			}
+			session.stateMu.Unlock()
 			stFreesr, _ := statFile("freesr-data.json")
 			if stFreesr.IsZero() || !stFreesr.After(lastModFreesr) {
 				continue
 			}
-			lastModFreesr = stFreesr
-
+			session.stateMu.Lock()
+			if _, active := CURRENT_BATTLE.Load(session.Token); active {
+				session.stateMu.Unlock()
+				continue
+			}
 			if data, err := common.LoadFreesrData(); err == nil {
-				session.SetJSON(data)
-				if err := session.SyncPlayer(); err == nil {
+				if err := reloadPlayerData(session, data); err == nil {
+					lastModFreesr = stFreesr
 					Log("player data updated & live synced to client")
 				}
 			}
+			session.stateMu.Unlock()
 		}
 	}
 }
-