Add comprehensive auth scenario test suite

- Add index.test.ts to test all auth scenarios with auth-test.ts client
- Upgrade @modelcontextprotocol/sdk from 1.20.1 to 1.22.0
- All 5 auth scenarios now pass including auth/basic-metadata-var2

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: pcarleton

package-lock.json

@@ -43,7 +43,7 @@
     "vitest": "^4.0.5"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.20.1",
+    "@modelcontextprotocol/sdk": "^1.22.0",
     "commander": "^14.0.2",
     "express": "^5.1.0",
     "lefthook": "^2.0.2",

package.json

@@ -0,0 +1,26 @@
+import {
+  runClientAgainstScenario,
+  SpawnedClientRunner
+} from './test_helpers/testClient.js';
+import path from 'path';
+import { listScenarios } from '../../index.js';
+
+describe('Client Auth Scenarios', () => {
+  const clientPath = path.join(
+    process.cwd(),
+    'examples/clients/typescript/auth-test.ts'
+  );
+
+  // Get all scenarios that start with 'auth/'
+  const authScenarios = listScenarios().filter((name) =>
+    name.startsWith('auth/')
+  );
+
+  // Generate individual test for each auth scenario
+  for (const scenarioName of authScenarios) {
+    test(`${scenarioName} passes`, async () => {
+      const runner = new SpawnedClientRunner(clientPath);
+      await runClientAgainstScenario(runner, scenarioName);
+    });
+  }
+});