Sync Scheduler

When multiple property slots mutate rapidly within a single user gesture (or batch data load), triggering a full UI re-render pass for every individual setter call would cause severe performance degradation and layout thrashing.

SvSyncScheduler solves this by coalescing and deduplicating target and method calls within the browser event loop:

Views and persistent objects register deferred sync requests with SvSyncScheduler:

// Schedule a deferred method execution
SvSyncScheduler.shared().scheduleTargetAndMethod(view, "syncFromNode");

Regardless of how many times scheduleTargetAndMethod(view, "syncFromNode") is invoked during the current event loop, view.syncFromNode() executes exactly once when the scheduler flushes.

• Notification Center: Asynchronous weak observation dispatch.
• Broadcaster: Synchronous event broadcasting.