feat(network): 基于 TSRPC 的网络同步模块 (#318)

- network-protocols: 共享协议包，使用 TSRPC CLI 生成完整类型验证
- network: 浏览器客户端，提供 NetworkPlugin、NetworkService 和同步系统
- network-server: Node.js 服务端，提供 GameServer 和房间管理

packages/network/src/components/NetworkIdentity.ts

@@ -0,0 +1,70 @@
+import { Component, ECSComponent, Serialize, Serializable, Property } from '@esengine/ecs-framework';
+
+/**
+ * 网络身份组件
+ * Network identity component
+ *
+ * 标识一个实体在网络上的唯一身份。
+ * Identifies an entity's unique identity on the network.
+ */
+@ECSComponent('NetworkIdentity')
+@Serializable({ version: 1, typeId: 'NetworkIdentity' })
+export class NetworkIdentity extends Component {
+    /**
+     * 网络实体 ID
+     * Network entity ID
+     */
+    @Serialize()
+    @Property({ type: 'integer', label: 'Net ID', readOnly: true })
+    public netId: number = 0;
+
+    /**
+     * 所有者客户端 ID
+     * Owner client ID
+     */
+    @Serialize()
+    @Property({ type: 'integer', label: 'Owner ID', readOnly: true })
+    public ownerId: number = 0;
+
+    /**
+     * 是否为本地玩家拥有
+     * Is owned by local player
+     */
+    public bIsLocalPlayer: boolean = false;
+
+    /**
+     * 是否有权限控制
+     * Has authority
+     */
+    public bHasAuthority: boolean = false;
+
+    /**
+     * 预制体类型
+     * Prefab type
+     */
+    @Serialize()
+    @Property({ type: 'string', label: 'Prefab Type' })
+    public prefabType: string = '';
+
+    /**
+     * 同步间隔 (ms)
+     * Sync interval in milliseconds
+     */
+    @Serialize()
+    @Property({ type: 'number', label: 'Sync Interval', min: 16 })
+    public syncInterval: number = 100;
+
+    /**
+     * 上次同步时间
+     * Last sync time
+     */
+    public lastSyncTime: number = 0;
+
+    /**
+     * 检查是否需要同步
+     * Check if sync is needed
+     */
+    public needsSync(now: number): boolean {
+        return now - this.lastSyncTime >= this.syncInterval;
+    }
+}

packages/network/src/components/NetworkTransform.ts

@@ -0,0 +1,100 @@
+import { Component, ECSComponent, Serialize, Serializable, Property } from '@esengine/ecs-framework';
+
+/**
+ * 网络变换组件
+ * Network transform component
+ *
+ * 同步实体的位置和旋转。支持插值平滑。
+ * Syncs entity position and rotation with interpolation smoothing.
+ */
+@ECSComponent('NetworkTransform', { requires: ['NetworkIdentity'] })
+@Serializable({ version: 1, typeId: 'NetworkTransform' })
+export class NetworkTransform extends Component {
+    /**
+     * 目标位置 X
+     * Target position X
+     */
+    public targetX: number = 0;
+
+    /**
+     * 目标位置 Y
+     * Target position Y
+     */
+    public targetY: number = 0;
+
+    /**
+     * 目标旋转
+     * Target rotation
+     */
+    public targetRotation: number = 0;
+
+    /**
+     * 当前位置 X
+     * Current position X
+     */
+    public currentX: number = 0;
+
+    /**
+     * 当前位置 Y
+     * Current position Y
+     */
+    public currentY: number = 0;
+
+    /**
+     * 当前旋转
+     * Current rotation
+     */
+    public currentRotation: number = 0;
+
+    /**
+     * 插值速度
+     * Interpolation speed
+     */
+    @Serialize()
+    @Property({ type: 'number', label: 'Lerp Speed', min: 0.1, max: 50 })
+    public lerpSpeed: number = 10;
+
+    /**
+     * 是否启用插值
+     * Enable interpolation
+     */
+    @Serialize()
+    @Property({ type: 'boolean', label: 'Interpolate' })
+    public bInterpolate: boolean = true;
+
+    /**
+     * 同步间隔 (ms)
+     * Sync interval in milliseconds
+     */
+    @Serialize()
+    @Property({ type: 'number', label: 'Sync Interval', min: 16 })
+    public syncInterval: number = 50;
+
+    /**
+     * 上次同步时间
+     * Last sync time
+     */
+    public lastSyncTime: number = 0;
+
+    /**
+     * 设置目标位置
+     * Set target position
+     */
+    public setTarget(x: number, y: number, rotation?: number): void {
+        this.targetX = x;
+        this.targetY = y;
+        if (rotation !== undefined) {
+            this.targetRotation = rotation;
+        }
+    }
+
+    /**
+     * 立即跳转到目标位置
+     * Snap to target position immediately
+     */
+    public snap(): void {
+        this.currentX = this.targetX;
+        this.currentY = this.targetY;
+        this.currentRotation = this.targetRotation;
+    }
+}