replace all ocurrences of encoding/json with json-iterator so we get rid of HTML escaping and hopefully get faster too.

sdk/helpers.go

@@ -3,8 +3,12 @@ package sdk
 import (
 	"slices"
 	"time"
+
+	jsoniter "github.com/json-iterator/go"
 )
 
+var json = jsoniter.ConfigFastest
+
 func appendUnique[I comparable](arr []I, item ...I) []I {
 	for _, item := range item {
 		if slices.Contains(arr, item) {

sdk/metadata.go

@@ -2,7 +2,6 @@ package sdk
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
 	"strings"
 	"sync"