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/jose/dist/webapi/lib/aesgcmkw.js

@@ -0,0 +1,16 @@
+import { encrypt } from './encrypt.js';
+import { decrypt } from './decrypt.js';
+import { encode as b64u } from '../util/base64url.js';
+export async function wrap(alg, key, cek, iv) {
+    const jweAlgorithm = alg.slice(0, 7);
+    const wrapped = await encrypt(jweAlgorithm, cek, key, iv, new Uint8Array());
+    return {
+        encryptedKey: wrapped.ciphertext,
+        iv: b64u(wrapped.iv),
+        tag: b64u(wrapped.tag),
+    };
+}
+export async function unwrap(alg, key, encryptedKey, iv, tag) {
+    const jweAlgorithm = alg.slice(0, 7);
+    return decrypt(jweAlgorithm, key, encryptedKey, iv, tag, new Uint8Array());
+}