feat: make Unity integration optional

Development~/UnityProject/Assets/ConsumerTests/ConsumerTests.cs

@@ -0,0 +1,44 @@
+using System.Collections;
+using System.Threading;
+using Cysharp.Threading.Tasks;
+using NUnit.Framework;
+using ShrinkEventBus;
+using UnityEngine.TestTools;
+
+namespace EventBusConsumer
+{
+    internal readonly struct Ping : IShrinkEvent { }
+
+    [ShrinkEventSubscriber]
+    internal sealed class Subscriber
+    {
+        public int SyncHits;
+        public int AsyncHits;
+        [ShrinkSubscribe] private void OnPing(Ping value) => SyncHits++;
+        [ShrinkSubscribe] private async UniTask OnPingAsync(Ping value, CancellationToken token)
+        {
+            await UniTask.Yield(cancellationToken: token);
+            AsyncHits++;
+        }
+    }
+
+    public sealed class ConsumerTests
+    {
+        [UnityTest]
+        public IEnumerator ConsumerAssemblyGeneratesBindingsAndDisposesThem()
+        {
+            using var host = new ShrinkEventBusHost();
+            var bus = host.CreateBus(ShrinkBusKey.Game, ShrinkBusOptions.Inline());
+            var target = new Subscriber();
+            Assert.IsInstanceOf<IShrinkGeneratedSubscriber>(target);
+            var binding = host.Attach(target, ShrinkBusKey.Game);
+            yield return bus.PostAsync(new Ping()).ToCoroutine();
+            Assert.AreEqual(1, target.SyncHits);
+            Assert.AreEqual(1, target.AsyncHits);
+            binding.Dispose();
+            yield return bus.PostAsync(new Ping()).ToCoroutine();
+            Assert.AreEqual(1, target.SyncHits);
+            Assert.AreEqual(1, target.AsyncHits);
+        }
+    }
+}

Development~/UnityProject/Assets/ConsumerTests/EventBus.Consumer.Tests.asmdef

@@ -0,0 +1,14 @@
+{
+  "name": "EventBus.Consumer.Tests",
+  "references": [
+    "ShrinkEventBus.Runtime",
+    "UniTask"
+  ],
+  "optionalUnityReferences": [
+    "TestAssemblies"
+  ],
+  "defineConstraints": [
+    "UNITY_INCLUDE_TESTS"
+  ],
+  "autoReferenced": false
+}

Development~/UnityProject/Packages/manifest.json

@@ -1,13 +1,4 @@
 {
-  "scopedRegistries": [
-    {
-      "name": "ShrinkSDK",
-      "url": "https://git.crash.work/api/packages/ShrinkSDK/npm/",
-      "scopes": [
-        "com.cneicy"
-      ]
-    }
-  ],
   "dependencies": {
     "com.unity.test-framework": "1.1.33",
     "com.cneicy.shrink-eventbus": "file:../../..",