chore: checkpoint pi lab rust integration work

packages/pi-mnote/extensions/mnote-mcp/index.ts

@@ -10,7 +10,6 @@
  */
 
 import { execFileSync } from "node:child_process";
-import { existsSync } from "node:fs";
 import path from "node:path";
 import { fileURLToPath } from "node:url";
 
@@ -62,9 +61,6 @@ function executeMcpRequest(params: {
   tool?: string;
   arguments?: Record<string, unknown>;
 }): Record<string, unknown> {
-  if (!existsSync(MCP_CLIENT_PATH)) {
-    throw new Error(`MNote MCP client 不存在: ${MCP_CLIENT_PATH}`);
-  }
   const requestJson = JSON.stringify({
     server: params.server,
     mode: params.mode,