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/ajv/dist/compile/jtd/parse.d.ts

@@ -0,0 +1,4 @@
+import type Ajv from "../../core";
+import { SchemaObjectMap } from "./types";
+import { SchemaEnv } from "..";
+export default function compileParser(this: Ajv, sch: SchemaEnv, definitions: SchemaObjectMap): SchemaEnv;