Update test framework: fix run_tests.py to support all test files, add auto-import-check for test files

node_modules/@modelcontextprotocol/sdk/dist/cjs/examples/client/simpleClientCredentials.d.ts

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+/**
+ * Example demonstrating client_credentials grant for machine-to-machine authentication.
+ *
+ * Supports two authentication methods based on environment variables:
+ *
+ * 1. client_secret_basic (default):
+ *    MCP_CLIENT_ID - OAuth client ID (required)
+ *    MCP_CLIENT_SECRET - OAuth client secret (required)
+ *
+ * 2. private_key_jwt (when MCP_CLIENT_PRIVATE_KEY_PEM is set):
+ *    MCP_CLIENT_ID - OAuth client ID (required)
+ *    MCP_CLIENT_PRIVATE_KEY_PEM - PEM-encoded private key for JWT signing (required)
+ *    MCP_CLIENT_ALGORITHM - Signing algorithm (default: RS256)
+ *
+ * Common:
+ *    MCP_SERVER_URL - Server URL (default: http://localhost:3000/mcp)
+ */
+export {};
+//# sourceMappingURL=simpleClientCredentials.d.ts.map