Monitor TWAP

GET /orders/twap and WebSocket twap-details return per-order monitoring data, Returns per-order monitoring data

• Order-level: total/filled/remaining USD value, status, estimated and actual completion time, remaining chunks count

• Chunk-level: each chunk's status (PENDING → SCHEDULED → EXECUTING → COMPLETED/FAILED/CANCELLED), scheduled vs actual execution time, planned USD size, and error message if failed

• Fill-level: individual fills per chunk with asset name, price, size, and execution timestamp