chore: initialize standalone UPM package

Runtime/ShrinkNetwork.Integration.App.asmdef

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+{
+  "name": "ShrinkNetwork.Integration.App",
+  "rootNamespace": "ShrinkNetwork.Integration.App",
+  "references": [
+    "ShrinkNetwork.Runtime",
+    "ShrinkApp.Core.Runtime",
+        "ShrinkContext.Core.Runtime",
+    "UniTask"
+  ],
+  "includePlatforms": [],
+  "excludePlatforms": [],
+  "allowUnsafeCode": false,
+  "overrideReferences": false,
+  "autoReferenced": true,
+  "defineConstraints": [],
+  "versionDefines": [],
+  "noEngineReferences": false
+}

Runtime/ShrinkNetwork.Integration.App.asmdef.meta

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+fileFormatVersion: 2
+guid: 6396a2709306e6245892177071b1c3f2
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
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+  assetBundleVariant: 

Runtime/ShrinkNetworkAppComponent.cs

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+#nullable enable
+using System;
+using System.Collections.Generic;
+using Cysharp.Threading.Tasks;
+using ShrinkContext;
+using ShrinkNetwork;
+using UnityEngine;
+
+namespace ShrinkNetwork.Integration.App
+{
+    /// <summary>ShrinkNetwork 组件的配置。</summary>
+    public sealed class ShrinkNetworkAppModuleConfig
+    {
+        /// <summary>是否在激活时自动绑定 loopback 传输并打开默认会话（演示/调试台用）。</summary>
+        public bool BindLoopbackTransport;
+
+        public int LoopbackSessionId = 1;
+
+        /// <summary>可选：把网络服务同时注册进 ShrinkApp 服务容器（兼容旧调试台读取路径）。</summary>
+        public ShrinkApp.ShrinkAppServices? Services;
+    }
+
+    /// <summary>
+    /// ShrinkNetwork 的原生 Cordis 组件（阶段 3）：
+    /// - 提供 <c>shrink.service.network</c> 余效应键（服务实例），依赖者按键注入；
+    /// - 可选的 loopback 传输绑定是**可逆效应**：停用时解绑传输、清理会话并使挂起 RPC 失败——
+    ///   全部由效应回滚完成，而非手写卸载路径；
+    /// - 与经典 ShrinkNetworkAppInstaller（ModuleId "shrink.network"）二选一使用：
+    ///   两者都发布 "app.module.shrink.network"，同时激活会触发供给冲突。
+    /// </summary>
+    public sealed class ShrinkNetworkAppComponent : IShrinkComponent
+    {
+        public const string ServiceKey = "shrink.service.network";
+        public const string ModuleKey = "app.module.shrink.network";
+
+        private static readonly string[] ProvideKeys = { ModuleKey, ServiceKey };
+
+        public string Name => "shrink.network";
+
+        public IReadOnlyList<string> Inject => Array.Empty<string>();
+
+        public IReadOnlyList<string> Provide => ProvideKeys;
+
+        public async UniTask ApplyAsync(ShrinkCtx ctx, object? config)
+        {
+            var moduleConfig = config as ShrinkNetworkAppModuleConfig ?? new ShrinkNetworkAppModuleConfig();
+            var service = ShrinkNetworkRuntime.Default;
+
+            // set 是可逆效应：停用自动撤回服务键，依赖者随之停用
+            ctx.Set(ServiceKey, service);
+            var facade = new ShrinkNetworkAppService(service);
+            moduleConfig.Services?.Register(facade);
+            if (config is ShrinkApp.ShrinkAppServices appServices)
+            {
+                appServices.Register(facade);
+                ctx.EffectInverse(() =>
+                {
+                    appServices.TryUnregister(facade);
+                    return UniTask.CompletedTask;
+                });
+            }
+            ctx.Set(ModuleKey, Name);
+
+            if (moduleConfig.BindLoopbackTransport)
+            {
+                await ctx.EffectAsync(() => BindLoopbackAsync(service, moduleConfig.LoopbackSessionId));
+            }
+        }
+
+        private static async UniTask<Func<UniTask>> BindLoopbackAsync(ShrinkNetworkService service, int sessionId)
+        {
+            var client = new ShrinkLoopbackTransport();
+            var server = new ShrinkLoopbackTransport();
+            client.LinkPeer(server);
+
+            service.BindTransport(client);
+            client.OpenSession(sessionId);
+            await UniTask.CompletedTask;
+
+            return () =>
+            {
+                // 逆操作：关闭会话并解绑传输；BindTransport(null) 触发会话清理与挂起 RPC 失败
+                client.CloseSession(sessionId);
+                service.BindTransport(null);
+                return UniTask.CompletedTask;
+            };
+        }
+    }
+}

Runtime/ShrinkNetworkAppComponent.cs.meta

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Runtime/ShrinkNetworkAppInstaller.cs

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+#nullable enable
+
+using System;
+using System.Linq;
+using Cysharp.Threading.Tasks;
+using ShrinkApp;
+
+namespace ShrinkNetwork.Integration.App
+{
+    [ShrinkAppModuleInstaller]
+    [Obsolete("ClassicHost compatibility only. ContextLoader projects should use ShrinkNetworkAppComponent from a composition root.")]
+    public sealed class ShrinkNetworkAppInstaller : IShrinkAppModuleInstaller
+    {
+        public string ModuleId => "shrink.network";
+        public int Order => -1400;
+        public System.Collections.Generic.IReadOnlyList<string> DependsOn => Array.Empty<string>();
+
+        public void RegisterServices(ShrinkAppContext context)
+        {
+            context.Services.Register(new ShrinkNetworkAppService(ShrinkNetworkRuntime.Default));
+        }
+
+        public UniTask InitializeAsync(ShrinkAppContext context)
+        {
+            return UniTask.CompletedTask;
+        }
+    }
+
+    public sealed class ShrinkNetworkAppService
+    {
+        public ShrinkNetworkAppService(ShrinkNetworkService service)
+        {
+            Service = service ?? throw new ArgumentNullException(nameof(service));
+        }
+
+        public ShrinkNetworkService Service { get; }
+
+        public ShrinkNetworkServiceDiagnosticsSnapshot GetDiagnosticsSnapshot()
+            => Service.GetDiagnosticsSnapshot();
+
+        public System.Collections.Generic.IReadOnlyList<string> GetSessionSummaries()
+        {
+            return Service.Sessions.Values
+                .OrderBy(session => session.SessionId)
+                .Select(session => $"session={session.SessionId}, remote={session.RemoteAddress}, peer={session.PeerKind}")
+                .ToArray();
+        }
+    }
+}

Runtime/ShrinkNetworkAppInstaller.cs.meta

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