feat(多人游戏): 实现多人游戏状态同步和单机/多人模式切换

添加多人游戏状态管理，包括连接状态和玩家名称同步
修改WorldManager和EntityBase以支持多人游戏逻辑
在Starter面板中实现单机和多人游戏启动功能

scripts/Tools/Managers/MultiplayerState.gd

@@ -20,9 +20,12 @@ static var stateColorMap = {
 	ConnectionState.CONNECTED_CLIENT: Color.GREEN,
 }
 
+static var isMultiplayer: bool = false
 static var state: ConnectionState = ConnectionState.DISCONNECTED
 static var playerName: String
 
+static var connection: ENetMultiplayerPeer
+
 static var maxPlayer: int = 10
 
 static func isConnected():

scripts/Tools/Managers/WorldManager.gd

@@ -1,7 +1,7 @@
 extends Node2D
 class_name WorldManager
 
-static var rootNode: Node2D
+static var rootNode: WorldManager
 static var tree: SceneTree
 static var runningTime: int = 0
 static var peer: ENetMultiplayerPeer
@@ -10,11 +10,12 @@ func _ready():
 	tree = get_tree()
 	rootNode = self
 	ComponentManager.init()
-	peer = ENetMultiplayerPeer.new()
 func _physics_process(delta):
 	runningTime += delta * 1000
-	if EntityBase.mobCount() == 0 and runningTime > 3000:
-		UIState.setPanel("MakeFeed")
+	if multiplayer.is_server() or not MultiplayerState.isMultiplayer:
+		if EntityBase.mobCount() == 0 and runningTime > 3000:
+			Wave.next()
+			UIState.setPanel("MakeFeed")
 
 static func getTime():
 	return runningTime