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/deno/conninfo.js

@@ -0,0 +1,14 @@
+// src/adapter/deno/conninfo.ts
+var getConnInfo = (c) => {
+  const { remoteAddr } = c.env;
+  return {
+    remote: {
+      address: remoteAddr.hostname,
+      port: remoteAddr.port,
+      transport: remoteAddr.transport
+    }
+  };
+};
+export {
+  getConnInfo
+};