Expense Store

State management store that holds expense form state, cached expense type definitions with their validation rules, and the list of submitted expenses with their approval statuses. Supports offline caching of expense types so forms remain usable without connectivity.

Feature: Travel Expense Registration

expense-store

• Manage expense form state including selected types and amounts
• Cache expense type definitions and mutual-exclusivity rules locally
• Store submitted expenses with approval status for offline access
• Provide reactive state updates to UI components on expense changes
• Persist draft expenses for recovery after app interruption