feat(sync): full code sync from release

backend/internal/pkg/errors/errors_test.go

@@ -166,3 +166,18 @@ func TestToHTTP(t *testing.T) {
 		})
 	}
 }
+
+func TestToHTTP_MetadataDeepCopy(t *testing.T) {
+	md := map[string]string{"k": "v"}
+	appErr := BadRequest("BAD_REQUEST", "invalid").WithMetadata(md)
+
+	code, body := ToHTTP(appErr)
+	require.Equal(t, http.StatusBadRequest, code)
+	require.Equal(t, "v", body.Metadata["k"])
+
+	md["k"] = "changed"
+	require.Equal(t, "v", body.Metadata["k"])
+
+	appErr.Metadata["k"] = "changed-again"
+	require.Equal(t, "v", body.Metadata["k"])
+}

backend/internal/pkg/errors/http.go

@@ -16,6 +16,16 @@ func ToHTTP(err error) (statusCode int, body Status) {
 		return http.StatusOK, Status{Code: int32(http.StatusOK)}
 	}
 
-	cloned := Clone(appErr)
-	return int(cloned.Code), cloned.Status
+	body = Status{
+		Code:    appErr.Code,
+		Reason:  appErr.Reason,
+		Message: appErr.Message,
+	}
+	if appErr.Metadata != nil {
+		body.Metadata = make(map[string]string, len(appErr.Metadata))
+		for k, v := range appErr.Metadata {
+			body.Metadata[k] = v
+		}
+	}
+	return int(appErr.Code), body
 }