Recover continuous closes at the open-order limit

[jackhai9]

Summary

• classify the observed Binance 90802025 max-open-orders response as a confirmed no-submit rejection
• during continuous close only, load the complete lazy open-order list and cancel up to 100 farthest same-direction Basic orders
• resume the unfinished ladder level without duplicating confirmed submissions

Validation

• npm run build:binance-orderbook-trade
• npm run check:binance-orderbook-trade
• npm test (476 passed)
• git diff --check

Live evidence

• Binance current-orders DOM initially rendered 50 rows and expanded through scrolling to the full list
• read-only inspection confirmed price and direction columns used for filtering and ranking
• no live cancellation was triggered during validation