Add Optimistic Sync

This skill adds optimisticSync for non-blocking operations where only the final value matters and rapid changes coalesce.

What This Skill Does

Implements optimistic updates for continuous/rapid operations like:

• Toggle buttons (like, favorite, bookmark)
• Switches and checkboxes
• Sliders and ratings
• Settings that users may change rapidly

The UI updates immediately on every interaction, but only the final value is synced to the server.

Instructions

Step 1: Identify the Operation