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/dist/adapter/service-worker/index.js

@@ -0,0 +1,11 @@
+// src/adapter/service-worker/index.ts
+import { handle } from "./handler.js";
+var fire = (app, options = {
+  fetch: void 0
+}) => {
+  addEventListener("fetch", handle(app, options));
+};
+export {
+  fire,
+  handle
+};