Address review feedback: move getDefaultServerParameters to test file

- Moved getDefaultServerParameters from stdio.ts to stdio.test.ts since it's only used in tests
- Reverted unrelated changes to inMemory.ts and inMemory.test.ts
- Kept the core Windows compatibility fix for stdio tests

Co-authored-by: HoberMin <99346635+HoberMin@users.noreply.github.com>

src/client/stdio.test.ts

@@ -1,5 +1,14 @@
 import { JSONRPCMessage } from "../types.js";
-import { StdioClientTransport, getDefaultServerParameters } from "./stdio.js";
+import { StdioClientTransport, StdioServerParameters } from "./stdio.js";
+
+// Configure default server parameters based on OS
+// Uses 'more' command for Windows and 'tee' command for Unix/Linux
+const getDefaultServerParameters = (): StdioServerParameters => {
+  if (process.platform === "win32") {
+    return { command: "more" };
+  }
+  return { command: "/usr/bin/tee" };
+};
 
 const serverParameters = getDefaultServerParameters();