- Add createDomainEventBatcher with entity type+ID dedup within 50ms window
- Domain-changed overrides all granular events in same batch
- More than 10 unique entities triggers full refresh fallback
- Delete action preserved during coalescing (last-write-wins otherwise)
- Unknown event types trigger full refresh as safety fallback
- Legacy createEventBatcher preserved for backward compatibility
- Add 12 comprehensive tests for all coalescing behaviors
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Install zustand 5.x and immer 11.x dependencies
- Create 6 Zustand slices: navigation, company, selection, ui, communication, social
- Create combined store with devtools + immer middleware
- Create IPC event batcher with 50ms debounce window (schedule/flush/dispose)
- Create typed selector hooks for narrow state subscriptions
- Add 14 unit tests covering store initialization, slice behaviors, and batcher timing
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
ZacharyZhang-NY
