refactor: restructure interaction system into clean layers

src/Features/Interactions/Contracts/IInteractionHandler.cs

@@ -1,6 +1,6 @@
 namespace Game.Features.Interactions.Contracts;
 
-public interface IInteractionService
+public interface IInteractionHandler
 {
     InteractionResult TryInteract(InteractionRequest request);
 }

src/Features/Interactions/Contracts/IInteractionRegistry.cs

@@ -0,0 +1,8 @@
+namespace Game.Features.Interactions.Contracts;
+
+public interface IInteractionRegistry
+{
+    void Register(IInteractionTarget target);
+    void Unregister(InteractionTargetId targetId);
+    bool TryGetTarget(InteractionTargetId targetId, out IInteractionTarget target);
+}

src/Features/Interactions/Contracts/IInteractionRegistry.cs.uid

@@ -0,0 +1 @@
+uid://baejppnflmpnn

src/Features/Interactions/Contracts/IInteractionTarget.cs

@@ -1,8 +1,12 @@
+using Game.Features.Players.Contracts;
+
 namespace Game.Features.Interactions.Contracts;
 
 public interface IInteractionTarget
 {
-    InteractionTargetId Id { get; }
+    InteractionTargetId InteractionTargetId { get; }
     bool CanInteract { get; }
     InteractionPrompt Prompt { get; }
+
+    InteractionResult Execute(PlayerId playerId);
 }

src/Features/Interactions/Contracts/IInteractionWorld.cs

@@ -1,6 +0,0 @@
-namespace Game.Features.Interactions.Contracts;
-
-public interface IInteractionWorld
-{
-    InteractionResult TryInteract(InteractionRequest request);
-}

src/Features/Interactions/Contracts/IInteractionWorld.cs.uid

@@ -1 +0,0 @@
-uid://d7k1x6m4v9q2b

src/Features/Interactions/Contracts/InteractionTargetId.cs

@@ -1,8 +1,10 @@
-using System;
+using Game.Shared.Domain;
 
 namespace Game.Features.Interactions.Contracts;
 
-public readonly record struct InteractionTargetId(Guid Value)
+public readonly record struct InteractionTargetId(InstanceId Value)
 {
+    public static InteractionTargetId From(InstanceId value) => new(value);
+
     public override string ToString() => Value.ToString();
 }