feat: release v0.26 portable i18n and presentation adapters

contract/bind.go

@@ -380,7 +380,10 @@ func decodeValue(dec *json.Decoder, depth int) (any, error) {
 			object[name] = value
 		}
 		end, err := dec.Token()
-		if err != nil || end != json.Delim('}') {
+		if err != nil {
+			return nil, err
+		}
+		if end != json.Delim('}') {
 			return nil, errors.New("unterminated object")
 		}
 		return object, nil
@@ -394,7 +397,10 @@ func decodeValue(dec *json.Decoder, depth int) (any, error) {
 			items = append(items, v)
 		}
 		end, err := dec.Token()
-		if err != nil || end != json.Delim(']') {
+		if err != nil {
+			return nil, err
+		}
+		if end != json.Delim(']') {
 			return nil, errors.New("unterminated array")
 		}
 		return items, nil

contract/policy_test.go

@@ -3,6 +3,7 @@ package contract
 import (
 	"bytes"
 	"context"
+	"encoding/json"
 	"errors"
 	apierrors "git.yuntuo.hk/k2safe/go-omni/errors"
 	"io"
@@ -10,6 +11,7 @@ import (
 	"net/http/httptest"
 	"strings"
 	"testing"
+	"testing/iotest"
 )
 
 type byteReader struct{ r io.Reader }
@@ -34,6 +36,17 @@ func TestBodyPolicyPropagatesOuterLimit(t *testing.T) {
 	}
 }
 
+func TestJSONClosingDelimiterPreservesReaderCause(t *testing.T) {
+	cause := errors.New("body reader failed")
+	for _, prefix := range []string{"{", "[", `{"value":[]`, `[{}`} {
+		reader := io.MultiReader(byteReader{strings.NewReader(prefix)}, iotest.ErrReader(cause))
+		_, err := decodeValue(json.NewDecoder(reader), 0)
+		if !errors.Is(err, cause) {
+			t.Fatalf("prefix %q: lost reader cause: %v", prefix, err)
+		}
+	}
+}
+
 func TestStrictRequestPolicy(t *testing.T) {
 	type request struct {
 		Name string   `json:"name"`