feat: Implement Room Streaming System

- Add RoomStreamingManager to manage room loading and unloading based on player proximity.
- Create StreamingBudgetConfigSO for memory and performance budgeting of the streaming system.
- Introduce TransitionDirector to handle seamless and atmospheric fade transitions between rooms.
- Develop WorldGraph to represent room connectivity and facilitate neighbor queries and distance calculations.
- Implement RoomNode and RoomEdge classes to structure room data and connections.

Assets/_Game/Scripts/Enemies/States/EnemyKnockUpState.cs

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+namespace BaseGames.Enemies.States
+{
+    /// <summary>
+    /// 击飞腾空状态：施加击飞冲量，播放 KnockUp 动画直至落地/动画结束后恢复 Controlled。
+    ///
+    /// 触发条件：TakeDamage 检测到 DamageFlags.Launch + 伤害 &gt;= launchThreshold。
+    /// 来袭方向由 <see cref="EnemyBase.PendingLaunchDir"/> 提供。
+    /// 若 AnimConfig 无 KnockUp Clip，则通过 <see cref="EnemyBase.ScheduleStateRecovery"/> 按时长兜底恢复。
+    /// </summary>
+    public sealed class EnemyKnockUpState : IEnemyState
+    {
+        public EnemyStateType StateType => EnemyStateType.KnockUp;
+
+        public void Enter(EnemyBase owner)
+        {
+            var cfg = owner.StatsSO?.HitTiers ?? default;
+
+            // 施加击飞冲量
+            owner.Movement?.LaunchKnockup(owner.PendingLaunchDir, cfg.launchHorzForce, cfg.launchUpForce);
+
+            if (owner.Animancer != null && owner.AnimConfig?.KnockUp != null)
+            {
+                var animState = owner.Animancer.Play(owner.AnimConfig.KnockUp);
+                animState.Events(owner).OnEnd = () =>
+                {
+                    if (owner.CurrentState == EnemyStateType.KnockUp)
+                        owner.ForceState(EnemyStateType.Controlled);
+                };
+            }
+            else
+            {
+                // 无 KnockUp 动画：按配置时长自动恢复
+                float duration = cfg.knockUpDuration > 0f ? cfg.knockUpDuration : 0.5f;
+                owner.ScheduleStateRecovery(EnemyStateType.KnockUp, duration);
+            }
+        }
+
+        public void Exit(EnemyBase owner) { }
+    }
+}

Assets/_Game/Scripts/Enemies/States/EnemyKnockUpState.cs.meta

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