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/middleware/jwt/index.js

@@ -0,0 +1,9 @@
+// src/middleware/jwt/index.ts
+import { jwt, verifyWithJwks, verify, decode, sign } from "./jwt.js";
+export {
+  decode,
+  jwt,
+  sign,
+  verify,
+  verifyWithJwks
+};