fix lint

Author: yhsieh1

packages/b2c-dx-mcp/.mocharc.json

@@ -10,3 +10,4 @@
   ]
 }
 
+

packages/b2c-dx-mcp/bin/run.cmd

@@ -2,3 +2,4 @@
 
 node "%~dp0\run" %*
 
+

packages/b2c-dx-mcp/src/server.ts

@@ -68,11 +68,10 @@ export class B2CDxMcpServer extends McpServer {
       _extra: RequestHandlerExtra<ServerRequest, ServerNotification>,
     ): Promise<CallToolResult> => {
       // TODO: Telemetry - Track timing and send TOOL_CALLED event
-      // const startTime = Date.now();
+      const startTime = Date.now();
       const result = await handler(args);
       // TODO: Telemetry - Send TOOL_CALLED event with { name, runtimeMs, isError: result.isError }
-      const runtimeMs = Date.now() - startTime;
-      void runtimeMs; // Silence unused variable until telemetry is implemented
+      const _runtimeMs = Date.now() - startTime; // Prefixed with _ to indicate intentionally unused until telemetry is implemented
 
       return result;
     };