记录 P2 第二阶段包预览验证

Packages/com.flowscope.gamecore/README.md

@@ -10,14 +10,24 @@ Add the package to the consuming project's `Packages/manifest.json`:
 
 ```json
 {
+  "scopedRegistries": [
+    {
+      "name": "Unity NuGet",
+      "url": "https://unitynuget-registry.openupm.com",
+      "scopes": [
+        "org.nuget"
+      ]
+    }
+  ],
   "dependencies": {
     "com.cysharp.r3": "https://github.com/Cysharp/R3.git?path=src/R3.Unity/Assets/R3.Unity#1.3.0",
-    "com.flowscope.gamecore": "ssh://git@192.168.9.108:2222/Developer/BombGameFramework.git?path=/Packages/com.flowscope.gamecore#codex/pre-p2-architecture-fixes"
+    "com.flowscope.gamecore": "ssh://git@git.zz.com:2222/Developer/FlowScope.git?path=/Packages/com.flowscope.gamecore#v0.2.0-preview.1",
+    "org.nuget.r3": "1.3.0"
   }
 }
 ```
 
-`com.cysharp.r3` must be declared by the consuming project because Unity Package Manager does not support Git dependencies inside a package's `package.json`.
+`com.cysharp.r3` and `org.nuget.r3` must be declared by the consuming project. Unity Package Manager can install Git packages from the project manifest, but Git dependencies declared inside another package's `package.json` are not resolved reliably. `org.nuget.r3` supplies the core R3 and BCL DLLs required by `R3.Unity`.
 
 ## Assembly Boundaries
 
@@ -26,4 +36,3 @@ Add the package to the consuming project's `Packages/manifest.json`:
 - `FlowScope.Editor` is Editor-only and only provides read-only diagnostics.
 
 Runtime must not depend on Addressables, Editor, Samples, or Tests.
-