Description

This event is emitted when UI state changes are persisted. UI state includes panel dimensions, collapsed sections, and other layout preferences.

User-scoped event that applies across all workspaces.

Business Rules

• UI state must be valid JSON
• Stale keys should be pruned periodically
• State is versioned for partial restores

Given-When-Then

Given preferences exist, When the Data Analyst updates stored UI state JSON (e.g., panel sizes, collapsed sections), Then User Preferences UI State Updated is recorded.