Local persistence with IndexedDB

[AliiiBenn]

Description

Implement local-first data persistence using IndexedDB to save warehouse state.

Requirements

• All data stored locally in browser
• Persist:
  • Imported products
  • Zone definitions and positions
  • Product placements
  • Floor configurations
• Data persists between sessions
• Use Dexie.js for IndexedDB management

Technical Implementation

• Use Dexie.js for database operations
• Define database schema
• Implement repository pattern for data access

Priority

High - Core functionality

Notes

• No server required
• Data stays on user's machine
• Enables offline usage