- Market tab now calls GET /grandexchange/orders (all public orders) instead of
/my/grandexchange/orders (own orders only), fixing the empty exchange issue
- Fix capture_prices reading "type" field instead of wrong "order" field
- Add proper pagination to all GE queries via _get_paginated
- Separate My Orders (active own orders) from Trade History (transaction log)
- Add GEHistoryEntry type matching GeOrderHistorySchema (order_id, seller, buyer, sold_at)
- Add /api/exchange/my-orders and /api/exchange/sell-history endpoints
- Exchange page now has 4 tabs: Market, My Orders, Trade History, Price History
