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/jsx/children.js

@@ -0,0 +1,21 @@
+// src/jsx/children.ts
+var toArray = (children) => Array.isArray(children) ? children : [children];
+var Children = {
+  map: (children, fn) => toArray(children).map(fn),
+  forEach: (children, fn) => {
+    toArray(children).forEach(fn);
+  },
+  count: (children) => toArray(children).length,
+  only: (_children) => {
+    const children = toArray(_children);
+    if (children.length !== 1) {
+      throw new Error("Children.only() expects only one child");
+    }
+    return children[0];
+  },
+  toArray
+};
+export {
+  Children,
+  toArray
+};