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/fast-uri/tsconfig.json

@@ -0,0 +1,9 @@
+{
+    "compilerOptions": {
+        "allowJs": true,
+        "checkJs": true,
+        "strict": true,
+        "noImplicitAny": true,
+        "target": "es2015"
+    }
+}