Function withLogging

src/mcpTools.ts:73–98

* Wraps a tool function with entry/exit logging

(
  toolName: string,
  extras: RequestHandlerExtra<ServerRequest, ServerNotification>,
  toolFn: (client: DocumentEngineClient, params: T) => Promise<R>,
  server: McpServer,
  client: DocumentEngineClient,
  params: T
)

 * Wraps a tool function with entry/exit logging
 */
async function withLogging<T, R>(
  toolName: string,
  extras: RequestHandlerExtra<ServerRequest, ServerNotification>,
  toolFn: (client: DocumentEngineClient, params: T) => Promise<R>,
  server: McpServer,
  client: DocumentEngineClient,
  params: T
): Promise<R> {
  let messagePrefix = `[${toolName}]`;
  if (extras.sessionId) messagePrefix += `[s=${extras.sessionId}]`;
  if (extras.requestId) messagePrefix += `[r=${extras.requestId}]`;

  logger.info(server, `${messagePrefix} START`, params);

  try {
    const result = await toolFn(client, params);
    logger.debug(server, `${messagePrefix} END`, result);
    logger.info(server, `${messagePrefix} END`);
    return result;
  } catch (error) {
    logger.error(server, `${messagePrefix} END`, {
      error: error instanceof Error ? error.message : String(error),
    });
    throw error;
  }
}

/**
 * Creates a tool handler with automatic logging