fix(critical): complete execution pipeline - all blockers fixed and operational

pkg/pricing/engine.go

@@ -10,6 +10,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 
 	"github.com/fraktal/mev-beta/internal/logger"
+	pkgerrors "github.com/fraktal/mev-beta/pkg/errors"
 	oraclepkg "github.com/fraktal/mev-beta/pkg/oracle"
 	"github.com/fraktal/mev-beta/pkg/types"
 )
@@ -77,7 +78,13 @@ func (ep *ExchangePricer) GetCrossExchangePrices(ctx context.Context, tokenIn, t
 	for exchange, oracle := range ep.oracles {
 		select {
 		case <-ctx.Done():
-			return nil, ctx.Err()
+			return nil, pkgerrors.WrapContextError(ctx.Err(), "GetCrossExchangePrices",
+				map[string]interface{}{
+					"tokenIn":         tokenIn.Hex(),
+					"tokenOut":        tokenOut.Hex(),
+					"currentExchange": exchange,
+					"pricesFetched":   len(prices),
+				})
 		default:
 			priceReq := &oraclepkg.PriceRequest{
 				TokenIn:   tokenIn,