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/@prisma/get-platform/dist/logger.d.ts

@@ -0,0 +1,8 @@
+export declare const tags: {
+    warn: string;
+};
+export declare const should: {
+    warn: () => boolean;
+};
+export declare function log(...data: any[]): void;
+export declare function warn(message: any, ...optionalParams: any[]): void;