Data Migration Validation

[tldrwtf]

Description

Verify all data migrations work correctly and backward compatibility is maintained.

Tasks

• Verify TotalSold.json compatibility (ProfitTracker)
• Test auth token migration (TokenStore)
• Validate config.json conversion
• Run migration script (Issue Create Configuration Migration Script #19)
• Verify no data loss

Dependencies

• Issue Implement ProfitTracker (src/data/ProfitTracker.ts) #16 (ProfitTracker)
• Issue Implement TokenStore (src/data/TokenStore.ts) #17 (TokenStore)
• Issue Implement Configuration Loader (src/config/index.ts) #14 (Config Loader)

Priority

P0 - Critical path

Size

M (4-8 hours)

Phase

Phase 6 - Integration & Cutover

Parent Issue

#12