feat(settings): 增加全局表格分页配置,支持自定义

backend/internal/service/setting_service_public_test.go

@@ -62,3 +62,18 @@ func TestSettingService_GetPublicSettings_ExposesRegistrationEmailSuffixWhitelis
 	require.NoError(t, err)
 	require.Equal(t, []string{"@example.com", "@foo.bar"}, settings.RegistrationEmailSuffixWhitelist)
 }
+
+func TestSettingService_GetPublicSettings_ExposesTablePreferences(t *testing.T) {
+	repo := &settingPublicRepoStub{
+		values: map[string]string{
+			SettingKeyTableDefaultPageSize:  "50",
+			SettingKeyTablePageSizeOptions: "[20,50,100]",
+		},
+	}
+	svc := NewSettingService(repo, &config.Config{})
+
+	settings, err := svc.GetPublicSettings(context.Background())
+	require.NoError(t, err)
+	require.Equal(t, 50, settings.TableDefaultPageSize)
+	require.Equal(t, []int{20, 50, 100}, settings.TablePageSizeOptions)
+}