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/conninfo.mjs

@@ -0,0 +1,17 @@
+// src/conninfo.ts
+var getConnInfo = (c) => {
+  const bindings = c.env.server ? c.env.server : c.env;
+  const address = bindings.incoming.socket.remoteAddress;
+  const port = bindings.incoming.socket.remotePort;
+  const family = bindings.incoming.socket.remoteFamily;
+  return {
+    remote: {
+      address,
+      port,
+      addressType: family === "IPv4" ? "IPv4" : family === "IPv6" ? "IPv6" : void 0
+    }
+  };
+};
+export {
+  getConnInfo
+};