Import Buffer from node:buffer explicitly

Author: lacolaco

src/server/stdio.ts

@@ -1,3 +1,4 @@
+import type { Buffer } from "node:buffer";
 import process from "node:process";
 import { Readable, Writable } from "node:stream";
 import { ReadBuffer, serializeMessage } from "../shared/stdio.js";

src/shared/stdio.test.ts

@@ -1,3 +1,4 @@
+import { Buffer } from "node:buffer";
 import { JSONRPCMessage } from "../types.js";
 import { ReadBuffer } from "./stdio.js";
 

src/shared/stdio.ts

@@ -1,3 +1,4 @@
+import { Buffer } from "node:buffer";
 import { JSONRPCMessage, JSONRPCMessageSchema } from "../types.js";
 
 /**