fix: Add debounced Undo/Redo system to avoid character-by-character history

- Add debounced state updates for title and content (500ms delay)
- Immediate UI updates with delayed history saving
- Prevent one-letter-per-undo issue
- Add cleanup for debounce timers on unmount

mcp-server/node_modules/@hono/node-server/dist/globals.mjs

@@ -0,0 +1,15 @@
+// src/globals.ts
+import crypto from "crypto";
+var webFetch = global.fetch;
+if (typeof global.crypto === "undefined") {
+  global.crypto = crypto;
+}
+global.fetch = (info, init) => {
+  init = {
+    // Disable compression handling so people can return the result of a fetch
+    // directly in the loader without messing with the Content-Encoding header.
+    compress: false,
+    ...init
+  };
+  return webFetch(info, init);
+};