Allow three OAuth consent levels and cache agent permission checks

apps/api/scripts/test-isolated.cjs

@@ -82,6 +82,7 @@ async function main() {
           'test/admin-integration.test.ts',
           'test/mcp.test.ts',
           'test/oauth-duration.test.ts',
+          'test/oauth-permissions.test.ts',
           'test/database-migrations.test.ts',
           'test/connection-repayment-integration.test.ts',
         ];