fix: compare installed package versions semantically

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 本文件记录 `ShrinkInstaller` 的包内变更。
 
+## [0.2.5] - 2026-09-05
+
+### Fixed
+
+- 按 SemVer 比较已安装版本与目录版本；已安装较新版本不再被误判为旧版本，也不会提供降级操作。
+- 更新内置包目录，使版本与当前 ShrinkSDK 模块清单一致。
+
 ## [0.2.4] - 2026-08-28
 
 ### Changed

Editor/ShrinkPackageVersion.cs

@@ -0,0 +1,117 @@
+#nullable enable
+
+using System;
+
+namespace ShrinkSDK.Installer
+{
+    public enum ShrinkPackageVersionRelation
+    {
+        Unknown,
+        Older,
+        Equal,
+        Newer
+    }
+
+    public static class ShrinkPackageVersion
+    {
+        public static ShrinkPackageVersionRelation Classify(string? installedVersion, string? targetVersion)
+        {
+            return TryCompare(installedVersion, targetVersion, out var comparison)
+                ? comparison < 0
+                    ? ShrinkPackageVersionRelation.Older
+                    : comparison > 0
+                        ? ShrinkPackageVersionRelation.Newer
+                        : ShrinkPackageVersionRelation.Equal
+                : ShrinkPackageVersionRelation.Unknown;
+        }
+
+        public static bool TryCompare(string? left, string? right, out int comparison)
+        {
+            comparison = 0;
+            if (!TryParse(left, out var leftVersion) || !TryParse(right, out var rightVersion))
+                return false;
+
+            for (var index = 0; index < 3; index++)
+            {
+                comparison = leftVersion.Core[index].CompareTo(rightVersion.Core[index]);
+                if (comparison != 0)
+                    return true;
+            }
+
+            comparison = ComparePrerelease(leftVersion.Prerelease, rightVersion.Prerelease);
+            return true;
+        }
+
+        private static bool TryParse(string? raw, out ParsedVersion version)
+        {
+            version = default;
+            if (string.IsNullOrWhiteSpace(raw))
+                return false;
+
+            var value = raw.Trim();
+            if (value.StartsWith("v", StringComparison.OrdinalIgnoreCase))
+                value = value.Substring(1);
+            var buildIndex = value.IndexOf('+');
+            if (buildIndex >= 0)
+                value = value.Substring(0, buildIndex);
+            var prereleaseIndex = value.IndexOf('-');
+            var coreText = prereleaseIndex >= 0 ? value.Substring(0, prereleaseIndex) : value;
+            var prerelease = prereleaseIndex >= 0 ? value.Substring(prereleaseIndex + 1) : string.Empty;
+            var coreParts = coreText.Split('.');
+            if (coreParts.Length is < 1 or > 3)
+                return false;
+
+            var core = new int[3];
+            for (var index = 0; index < coreParts.Length; index++)
+            {
+                if (!int.TryParse(coreParts[index], out core[index]) || core[index] < 0)
+                    return false;
+            }
+
+            if (prereleaseIndex >= 0 && string.IsNullOrWhiteSpace(prerelease))
+                return false;
+            version = new ParsedVersion(core, prerelease);
+            return true;
+        }
+
+        private static int ComparePrerelease(string left, string right)
+        {
+            var leftEmpty = string.IsNullOrEmpty(left);
+            var rightEmpty = string.IsNullOrEmpty(right);
+            if (leftEmpty || rightEmpty)
+                return leftEmpty == rightEmpty ? 0 : leftEmpty ? 1 : -1;
+
+            var leftParts = left.Split('.');
+            var rightParts = right.Split('.');
+            var count = Math.Min(leftParts.Length, rightParts.Length);
+            for (var index = 0; index < count; index++)
+            {
+                var leftNumeric = int.TryParse(leftParts[index], out var leftValue);
+                var rightNumeric = int.TryParse(rightParts[index], out var rightValue);
+                int comparison;
+                if (leftNumeric && rightNumeric)
+                    comparison = leftValue.CompareTo(rightValue);
+                else if (leftNumeric != rightNumeric)
+                    comparison = leftNumeric ? -1 : 1;
+                else
+                    comparison = string.Compare(leftParts[index], rightParts[index], StringComparison.Ordinal);
+                if (comparison != 0)
+                    return comparison;
+            }
+
+            return leftParts.Length.CompareTo(rightParts.Length);
+        }
+
+        private readonly struct ParsedVersion
+        {
+            public ParsedVersion(int[] core, string prerelease)
+            {
+                Core = core;
+                Prerelease = prerelease;
+            }
+
+            public int[] Core { get; }
+            public string Prerelease { get; }
+        }
+    }
+}

Editor/ShrinkPackageVersion.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e6e04e7ab0ec4fbe87bb30cb04f7ce18
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/ShrinkSdkInstallerWindow.cs

@@ -172,16 +172,16 @@ namespace ShrinkSDK.Installer
                 title.style.flexGrow = 1f;
                 titleRow.Add(title);
 
-                var exact = bundle.Packages.Count(IsExactInstalled);
+                var ready = bundle.Packages.Count(IsInstalledAtLeast);
                 var button = new Button(() => BeginInstall(bundle.InstallRoots));
-                if (exact == bundle.Packages.Count)
+                if (ready == bundle.Packages.Count)
                 {
                     button.text = "已完成";
                     button.SetEnabled(false);
                 }
                 else
                 {
-                    button.text = exact > 0 ? "补齐组合" : "安装组合";
+                    button.text = ready > 0 ? "补齐组合" : "安装组合";
                     button.SetEnabled(!IsBusy);
                 }
                 button.style.width = 100f;
@@ -193,9 +193,9 @@ namespace ShrinkSDK.Installer
                 summary.style.marginTop = 5f;
                 card.Add(summary);
 
-                var progress = new Label($"已就绪 {exact}/{bundle.Packages.Count}");
+                var progress = new Label($"已就绪 {ready}/{bundle.Packages.Count}");
                 progress.style.marginTop = 8f;
-                progress.style.color = exact == bundle.Packages.Count
+                progress.style.color = ready == bundle.Packages.Count
                     ? new Color(0.35f, 0.75f, 0.45f)
                     : new Color(0.65f, 0.65f, 0.65f);
                 card.Add(progress);
@@ -266,7 +266,7 @@ namespace ShrinkSDK.Installer
             row.Add(name);
             var status = new Label(GetInstalledStatus(package));
             status.style.fontSize = 10f;
-            status.style.color = IsExactInstalled(package)
+            status.style.color = IsInstalledAtLeast(package)
                 ? new Color(0.35f, 0.75f, 0.45f)
                 : new Color(0.65f, 0.65f, 0.65f);
             row.Add(status);
@@ -278,13 +278,26 @@ namespace ShrinkSDK.Installer
             var button = new Button(() => BeginInstall(new[] { package }));
             if (!_installed.TryGetValue(package.PackageName, out var installed))
                 button.text = "安装 " + package.Version;
-            else if (string.Equals(installed.version, package.Version, StringComparison.Ordinal))
+            else
             {
+                switch (ShrinkPackageVersion.Classify(installed.version, package.Version))
+                {
+                    case ShrinkPackageVersionRelation.Equal:
                         button.text = "已安装 " + installed.version;
                         button.SetEnabled(false);
-            }
+                        break;
-            else
+                    case ShrinkPackageVersionRelation.Newer:
+                        button.text = "较新版本 " + installed.version;
+                        button.SetEnabled(false);
+                        break;
+                    case ShrinkPackageVersionRelation.Older:
+                        button.text = "升级 " + installed.version + " → " + package.Version;
+                        break;
+                    default:
                         button.text = installed.version + " → " + package.Version;
+                        break;
+                }
+            }
 
             if (IsBusy)
                 button.SetEnabled(false);
@@ -326,17 +339,22 @@ namespace ShrinkSDK.Installer
             package.Summary.IndexOf(_searchText, StringComparison.OrdinalIgnoreCase) >= 0 ||
             package.PackageName.IndexOf(_searchText, StringComparison.OrdinalIgnoreCase) >= 0;
 
-        private bool IsExactInstalled(ShrinkSdkPackageEntry package) =>
+        private bool IsInstalledAtLeast(ShrinkSdkPackageEntry package) =>
             _installed.TryGetValue(package.PackageName, out var installed) &&
-            string.Equals(installed.version, package.Version, StringComparison.Ordinal);
+            ShrinkPackageVersion.Classify(installed.version, package.Version) is
+                ShrinkPackageVersionRelation.Equal or ShrinkPackageVersionRelation.Newer;
 
         private string GetInstalledStatus(ShrinkSdkPackageEntry package)
         {
             if (!_installed.TryGetValue(package.PackageName, out var installed))
                 return "未安装 · " + package.Version;
-            return string.Equals(installed.version, package.Version, StringComparison.Ordinal)
+            return ShrinkPackageVersion.Classify(installed.version, package.Version) switch
-                ? "已安装 " + installed.version
+            {
-                : "已安装 " + installed.version + " · 固定 " + package.Version;
+                ShrinkPackageVersionRelation.Equal => "已安装 " + installed.version,
+                ShrinkPackageVersionRelation.Newer => "已安装较新版本 " + installed.version,
+                ShrinkPackageVersionRelation.Older => "可升级 " + installed.version + " → " + package.Version,
+                _ => "已安装 " + installed.version + " · 目标 " + package.Version
+            };
         }
 
         private bool IsBusy => _listRequest != null || _resolvePending || _listRetryPending;

Editor/ShrinkSdkPackageCatalog.cs

@@ -67,67 +67,70 @@ namespace ShrinkSDK.Installer
 
         internal static readonly ShrinkSdkPackageEntry ContextCore = Package(
             "Context 核心", "可逆效应、响应式依赖与组件生命周期，是框架的组合基础。",
-            "com.cneicy.shrink-context-core", "0.1.0", ShrinkSdkPackageLayer.Context, true);
+            "com.cneicy.shrink-context-core", "0.2.0", ShrinkSdkPackageLayer.Context, true);
         internal static readonly ShrinkSdkPackageEntry ContextAppAdapter = Package(
             "Context 应用适配", "用 ContextLoader 承载 ShrinkApp 组合根和运行时诊断。",
-            "com.cneicy.shrink-context-app-adapter", "0.1.5", ShrinkSdkPackageLayer.Context, true);
+            "com.cneicy.shrink-context-app-adapter", "0.2.0", ShrinkSdkPackageLayer.Context, true);
         internal static readonly ShrinkSdkPackageEntry ContextEventBusAdapter = Package(
             "Context 事件适配", "把事件订阅纳入 Context 的安装与自动撤回。",
             "com.cneicy.shrink-context-eventbus-adapter", "0.1.1", ShrinkSdkPackageLayer.Context, true);
 
         internal static readonly ShrinkSdkPackageEntry AppCore = Package(
             "应用宿主", "统一启动、服务门面与应用生命周期。",
-            "com.cneicy.shrink-app-core", "0.1.4", ShrinkSdkPackageLayer.Host, true);
+            "com.cneicy.shrink-app-core", "0.2.0", ShrinkSdkPackageLayer.Host, true);
         internal static readonly ShrinkSdkPackageEntry StarterBasic = Package(
             "基础应用起步包", "默认 Context 组合根，包含命令、存档、网络及其集成。",
-            "com.cneicy.shrink-app-starter-basic", "0.2.2", ShrinkSdkPackageLayer.Host, true);
+            "com.cneicy.shrink-app-starter-basic", "0.3.0", ShrinkSdkPackageLayer.Host, true);
 
         internal static readonly ShrinkSdkPackageEntry Command = Package(
             "命令系统", "命令路由、参数、权限与自动注册。",
-            "com.cneicy.shrink-command", "0.2.0", ShrinkSdkPackageLayer.Feature, true);
+            "com.cneicy.shrink-command", "0.3.0", ShrinkSdkPackageLayer.Feature, true);
         internal static readonly ShrinkSdkPackageEntry DataSaver = Package(
             "存档系统", "异步存档、设置、备份恢复与数据观察。",
-            "com.cneicy.shrink-datasaver", "2.2.2", ShrinkSdkPackageLayer.Feature, true);
+            "com.cneicy.shrink-datasaver", "2.3.0", ShrinkSdkPackageLayer.Feature, true);
         internal static readonly ShrinkSdkPackageEntry EventBus = Package(
             "事件总线", "类型安全事件、请求结果、调度与代码生成。",
-            "com.cneicy.shrink-eventbus", "2.0.1", ShrinkSdkPackageLayer.Feature, true);
+            "com.cneicy.shrink-eventbus", "2.1.0", ShrinkSdkPackageLayer.Feature, true);
         internal static readonly ShrinkSdkPackageEntry EventBusEntities = Package(
             "Entities 事件适配", "将事件总线接入 Unity Entities。",
             "com.cneicy.shrink-eventbus-entities", "0.1.1", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry ModFramework = Package(
             "模组框架", "Context 托管的模组生命周期、热替换与外部 DLL 加载。",
-            "com.cneicy.shrink-mod-framework", "0.2.4", ShrinkSdkPackageLayer.Feature, true);
+            "com.cneicy.shrink-mod-framework", "0.3.0", ShrinkSdkPackageLayer.Feature, true);
         internal static readonly ShrinkSdkPackageEntry Network = Package(
             "网络系统", "消息、RPC、权限、序列化与多种传输层。",
-            "com.cneicy.shrink-network", "0.2.1", ShrinkSdkPackageLayer.Feature, true);
+            "com.cneicy.shrink-network", "0.3.0", ShrinkSdkPackageLayer.Feature, true);
         internal static readonly ShrinkSdkPackageEntry Tutorial = Package(
             "引导系统", "可复用的步骤式引导、遮罩、锚点与进度存储。",
-            "com.cneicy.shrink-tutorial", "0.1.2", ShrinkSdkPackageLayer.Feature);
+            "com.cneicy.shrink-tutorial", "0.2.0", ShrinkSdkPackageLayer.Feature);
 
         internal static readonly ShrinkSdkPackageEntry CommandApp = Package(
             "命令 - 应用集成", "以原生 Context 组件向应用宿主发布命令服务。",
-            "com.cneicy.shrink-command-integration-app", "0.1.3", ShrinkSdkPackageLayer.Integration, true);
+            "com.cneicy.shrink-command-integration-app", "0.2.0", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry CommandEventBus = Package(
             "命令 - 事件集成", "通过事件总线执行命令并发布执行状态。",
-            "com.cneicy.shrink-command-integration-eventbus", "0.1.2", ShrinkSdkPackageLayer.Integration, true);
+            "com.cneicy.shrink-command-integration-eventbus", "0.2.0", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry CommandNetwork = Package(
             "命令 - 网络集成", "通过网络 RPC 执行远程命令。",
-            "com.cneicy.shrink-command-integration-network", "0.1.1", ShrinkSdkPackageLayer.Integration, true);
+            "com.cneicy.shrink-command-integration-network", "0.2.0", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry DataSaverApp = Package(
             "存档 - 应用集成", "以原生 Context 组件向应用宿主发布存档服务。",
-            "com.cneicy.shrink-datasaver-integration-app", "0.1.3", ShrinkSdkPackageLayer.Integration, true);
+            "com.cneicy.shrink-datasaver-integration-app", "0.2.0", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry DataSaverEventBus = Package(
             "存档 - 事件集成", "通过事件总线请求读写并观察存档变化。",
-            "com.cneicy.shrink-datasaver-integration-eventbus", "2.1.3", ShrinkSdkPackageLayer.Integration, true);
+            "com.cneicy.shrink-datasaver-integration-eventbus", "2.2.0", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry NetworkApp = Package(
             "网络 - 应用集成", "以原生 Context 组件向应用宿主发布网络服务。",
-            "com.cneicy.shrink-network-integration-app", "0.1.3", ShrinkSdkPackageLayer.Integration, true);
+            "com.cneicy.shrink-network-integration-app", "0.2.0", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry NetworkEventBus = Package(
             "网络 - 事件集成", "把网络消息与事件请求桥接为可撤回的 Context 组件。",
-            "com.cneicy.shrink-network-integration-eventbus", "0.1.3", ShrinkSdkPackageLayer.Integration, true);
+            "com.cneicy.shrink-network-integration-eventbus", "0.2.0", ShrinkSdkPackageLayer.Integration, true);
         internal static readonly ShrinkSdkPackageEntry SharedCodeGen = Package(
             "共享代码生成", "各功能包使用的编译期注册表基础设施。",
             "com.cneicy.shrink-shared-codegen", "0.1.0", ShrinkSdkPackageLayer.Tooling);
+        internal static readonly ShrinkSdkPackageEntry RuntimeAbstractions = Package(
+            "运行时抽象", "Unity 与其他 .NET 宿主共用的平台服务合同。",
+            "com.cneicy.shrink-runtime-abstractions", "0.1.0", ShrinkSdkPackageLayer.Tooling);
 
         internal static readonly IReadOnlyList<ShrinkSdkPackageEntry> Packages = new[]
         {
@@ -137,7 +140,7 @@ namespace ShrinkSDK.Installer
             CommandApp, CommandEventBus, CommandNetwork,
             DataSaverApp, DataSaverEventBus,
             NetworkApp, NetworkEventBus, EventBusEntities,
-            SharedCodeGen
+            SharedCodeGen, RuntimeAbstractions
         };
 
         internal static readonly IReadOnlyList<ShrinkSdkPackageBundle> Bundles = new[]

Tests.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 238fc591f33a45dca54d074857959f87
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Editor.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: a5027bfa9e76434983f82652539bc42a
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Editor/ShrinkInstaller.Editor.Tests.asmdef

@@ -0,0 +1,22 @@
+{
+  "name": "ShrinkInstaller.Editor.Tests",
+  "rootNamespace": "ShrinkSDK.Installer.Tests",
+  "references": [
+    "ShrinkInstaller.Editor"
+  ],
+  "includePlatforms": [
+    "Editor"
+  ],
+  "excludePlatforms": [],
+  "allowUnsafeCode": false,
+  "overrideReferences": false,
+  "autoReferenced": false,
+  "defineConstraints": [
+    "UNITY_INCLUDE_TESTS"
+  ],
+  "versionDefines": [],
+  "noEngineReferences": false,
+  "optionalUnityReferences": [
+    "TestAssemblies"
+  ]
+}

Tests/Editor/ShrinkInstaller.Editor.Tests.asmdef.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 00a17f283465481592e764466d9c980d
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Tests/Editor/ShrinkPackageVersionTests.cs

@@ -0,0 +1,22 @@
+#nullable enable
+
+using NUnit.Framework;
+
+namespace ShrinkSDK.Installer.Tests
+{
+    public sealed class ShrinkPackageVersionTests
+    {
+        [TestCase("1.10.0", "1.9.0", ShrinkPackageVersionRelation.Newer)]
+        [TestCase("2.1.0", "2.1.0", ShrinkPackageVersionRelation.Equal)]
+        [TestCase("2.0.9", "2.1.0", ShrinkPackageVersionRelation.Older)]
+        [TestCase("1.0.0", "1.0.0-preview.9", ShrinkPackageVersionRelation.Newer)]
+        [TestCase("1.0.0-preview.10", "1.0.0-preview.2", ShrinkPackageVersionRelation.Newer)]
+        [TestCase("1.0.0+build.2", "1.0.0+build.1", ShrinkPackageVersionRelation.Equal)]
+        [TestCase("git+https://example.invalid/package", "1.0.0", ShrinkPackageVersionRelation.Unknown)]
+        public void Classify_UsesSemanticVersionOrdering(string installed, string target,
+            ShrinkPackageVersionRelation expected)
+        {
+            Assert.AreEqual(expected, ShrinkPackageVersion.Classify(installed, target));
+        }
+    }
+}

Tests/Editor/ShrinkPackageVersionTests.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 9152d73a7f3141429d048528d92b1ecf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
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+  assetBundleVariant: 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.cneicy.shrink-installer",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "displayName": "ShrinkSDK 包管理",
   "description": "基于 UI Toolkit 的 ShrinkSDK 固定版本包管理器，提供安装状态、Context 分层与推荐组合。",
   "unity": "2022.3",