fix: use React Native DevTools core dependency

Rely on React Native's bundled react-devtools-core instead of asking users to install and version it separately.

Author: V3RON

.changeset/quiet-walls-connect.md

@@ -4,5 +4,4 @@
 
 Add React Native 0.87+ support through a Metro config wrapper and native
 bootstrap entry. React Native apps now wrap their final Metro config and import
-`agent-react-devtools/react-native` from the application entry graph. Install
-`react-devtools-core@^6.1.5` to match React Native's DevTools backend.
+`agent-react-devtools/react-native` from the application entry graph.

README.md

@@ -247,7 +247,7 @@ React Native 0.87 removed the legacy standalone React DevTools auto-connect
 path. Projects must now add the agent bootstrap to Metro explicitly:
 
 ```sh
-npm install --save-dev agent-react-devtools react-devtools-core@^6.1.5
+npm install --save-dev agent-react-devtools
 ```
 
 Both of the following steps are required.

examples/expo-app/package.json

@@ -25,7 +25,6 @@
   "devDependencies": {
     "@types/react": "~19.1.10",
     "agent-react-devtools": "workspace:*",
-    "react-devtools-core": "^6.1.5",
     "typescript": "^5.5.0"
   }
 }

packages/agent-react-devtools/skills/react-devtools/references/setup.md

@@ -63,7 +63,7 @@ React Native 0.87 removed the legacy standalone DevTools auto-connect path.
 The Metro wrapper and entry-graph import below are both mandatory.
 
 ```bash
-npm install --save-dev agent-react-devtools react-devtools-core@^6.1.5
+npm install --save-dev agent-react-devtools
 ```
 
 For bare React Native, wrap the final composed config:

packages/agent-react-devtools/src/__tests__/init.test.ts

@@ -217,7 +217,8 @@ describe('runInit', () => {
 
       const output = log.mock.calls.flat().join('\n');
       expect(output).toContain('React Native 0.87+ requires manual setup');
-      expect(output).toContain('react-devtools-core@^6.1.5');
+      expect(output).toContain('npm install -D agent-react-devtools');
+      expect(output).not.toContain('react-devtools-core');
       expect(output).toContain('withAgentReactDevTools');
       expect(output).toContain("import 'agent-react-devtools/react-native'");
       expect(output).not.toContain('connect to DevTools automatically');

packages/agent-react-devtools/src/init.ts

@@ -364,10 +364,8 @@ export async function runInit(
   if (framework === 'react-native') {
     console.log('\nReact Native 0.87+ requires manual setup.');
     console.log('No files were changed by init.\n');
-    console.log('1. Install compatible dependencies:');
-    console.log(
-      '   npm install -D agent-react-devtools react-devtools-core@^6.1.5\n',
-    );
+    console.log('1. Install agent-react-devtools:');
+    console.log('   npm install -D agent-react-devtools\n');
     console.log('2. Wrap your final Metro config:');
     console.log(
       "   const { withAgentReactDevTools } = require('agent-react-devtools/metro');",