Add debug message in GetToken function

auth/token.go

@@ -2,6 +2,7 @@ package auth
 
 import (
 	"encoding/json"
+	"log/slog"
 	"net/http"
 	"time"
 
@@ -57,8 +58,14 @@ func GetToken(params *GetTokenParams) (*Token, error) {
 	}
 	defer res.Body.Close()
 
+	body := make([]byte, res.ContentLength)
+	if _, err := res.Body.Read(body); err != nil {
+		return nil, err
+	}
+
 	var token Token
-	if err := json.NewDecoder(res.Body).Decode(&token); err != nil {
+	if err := json.Unmarshal(body, &token); err != nil {
+		slog.Debug("failed to decode token", slog.Any("error", err), slog.String("body", string(body)))
 		return nil, err
 	}