chore: initial commit

Assets/Scripts/Enemies/Navigation/BaseGames.Enemies.Navigation.asmdef

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+{
+  "excludePlatforms": [],
+  "allowUnsafeCode": false,
+  "precompiledReferences": [],
+  "name": "BaseGames.Enemies.Navigation",
+  "defineConstraints": [],
+  "noEngineReferences": false,
+  "versionDefines": [],
+  "rootNamespace": "BaseGames.Enemies.Navigation",
+  "references": [
+    "BaseGames.Enemies",
+    "PathBerserker2d"
+  ],
+  "autoReferenced": true,
+  "overrideReferences": false,
+  "includePlatforms": []
+}

Assets/Scripts/Enemies/Navigation/BaseGames.Enemies.Navigation.asmdef.meta

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Assets/Scripts/Enemies/Navigation/EnemyNavAgent.cs

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+using UnityEngine;
+using PathBerserker2d;
+using BaseGames.Enemies;
+
+namespace BaseGames.Enemies.Navigation
+{
+    /// <summary>
+    /// PathBerserker2d 导航代理包装器（架构 07_EnemyModule §5）。
+    /// 实现 IPathAgent 接口，使 EnemyBase 和 BD Task 无需直接依赖 PB2d 类型。
+    /// PB2d API：UpdatePath(Vector2)、Stop()、TransformBasedMovement.movementSpeed、IsFollowingAPath。
+    /// </summary>
+    [RequireComponent(typeof(NavAgent))]
+    [RequireComponent(typeof(TransformBasedMovement))]
+    public class EnemyNavAgent : MonoBehaviour, IPathAgent
+    {
+        private NavAgent              _navAgent;
+        private TransformBasedMovement _movement;
+
+        /// <summary>正在沿路径移动时为 true。</summary>
+        public bool IsMoving => _navAgent != null && _navAgent.IsFollowingAPath;
+
+        public event System.Action OnNavPathFailed;
+
+        private void Awake()
+        {
+            _navAgent = GetComponent<NavAgent>();
+            _movement  = GetComponent<TransformBasedMovement>();
+        }
+
+        public void RequestMoveTo(Vector2 target)
+        {
+            _navAgent?.UpdatePath(target);
+        }
+
+        public void StopNavigation()
+        {
+            _navAgent?.Stop();
+        }
+
+        public bool IsAtDestination()
+        {
+            if (_navAgent == null) return true;
+            // 已停止 OR 在目标线段上且不再跟随路径
+            return _navAgent.IsIdle;
+        }
+
+        public void SetSpeed(float speed)
+        {
+            if (_movement != null) _movement.movementSpeed = speed;
+        }
+    }
+}
+

Assets/Scripts/Enemies/Navigation/EnemyNavAgent.cs.meta

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Assets/Scripts/Enemies/Navigation/_Placeholder.cs

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+// Placeholder to prevent asmdef-no-scripts warning.
+namespace BaseGames.Enemies.Navigation { }
+

Assets/Scripts/Enemies/Navigation/_Placeholder.cs.meta

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