Initial commit

Assets/_Project/Scripts/Code/Sockets/ISocket.cs

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+using UnityEngine;
+
+public interface ISocket
+{
+    Transform GetTransform();
+    SocketType GetSocketType();
+    float GetSocketRadius();  // Changed from size to radius for circular holes
+    bool IsOccupied();
+    GameObject GetOccupyingObject();
+    void SetOccupied(GameObject obj);
+    void Release();
+    bool CanAccept(ISocket otherSocket, bool isJoint = false);
+    Vector3 GetNormal(); // Direction the socket faces
+}
+
+public enum SocketType
+{
+    Regular,        // Standard connection point (hole in a link)
+    JointHost,      // Can host a joint block (pivot/axle)
+    JointEnd,       // End of a joint block that goes into holes
+    Universal,       // Can act as any type
+    ConnectorEnd,   // End of a connector block that goes into holes
+    ConnectorHost  // Can host a connector block (like a link)
+}