fix(0.81): fix yarn constraints failures after release bumps

Mark root monorepo and nx-release-version packages as private with a
fixed version of 1000.0.0, decoupling them from the release versioning.
Add a yarn constraint to enforce this.

Previously, nx release only bumped packages/react-native and
packages/virtualized-lists, leaving these internal packages behind and
causing yarn constraints to fail.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Saadnajmi

package.json

@@ -1,6 +1,7 @@
 {
   "name": "@react-native-macos/monorepo",
-  "version": "0.81.2",
+  "private": true,
+  "version": "1000.0.0",
   "license": "MIT",
   "packageManager": "yarn@4.12.0",
   "scripts": {

packages/nx-release-version/package.json

@@ -1,6 +1,7 @@
 {
   "name": "@react-native-macos/nx-release-version",
-  "version": "0.81.2",
+  "private": true,
+  "version": "1000.0.0",
   "description": "Nx Release Version Actions for React Native macOS",
   "homepage": "https://github.com/microsoft/react-native-macos/tree/HEAD/packages/nx-release-version#readme",
   "license": "MIT",

yarn.config.cjs

@@ -137,6 +137,22 @@ function enforceReactNativeMacosVersionConsistency({Yarn}) {
     }   
 }
 
+/**
+ * Enforce that all private @react-native-macos/ scoped packages use a fixed
+ * version of 1000.0.0, so they are decoupled from release versioning.
+ * @param {Context} context
+ */
+function enforceReactNativeMacosPrivatePackageVersion({Yarn}) {
+    for (const workspace of Yarn.workspaces()) {
+        const isReactNativeMacosScoped = workspace.ident && workspace.ident.startsWith('@react-native-macos/');
+        const isPrivate = workspace.manifest.private;
+
+        if (isReactNativeMacosScoped && isPrivate) {
+            workspace.set('version', '1000.0.0');
+        }
+    }
+}
+
 /**
  * Enforce that all @react-native-macos/ scoped dependencies use the same version
  * as the react-native-macos
@@ -164,6 +180,7 @@ module.exports = defineConfig({
     enforceReactNativeVersionConsistency(ctx);
     enforceReactNativeDependencyConsistency(ctx);
     enforceReactNativeMacosVersionConsistency(ctx);
+    enforceReactNativeMacosPrivatePackageVersion(ctx);
     enforceReactNativeMacOSDependencyConsistency(ctx);
   },
 });