feat(consumers): migrate consumer groups to UI Registry

frontend/src/components/pages/consumers/column-meta.ts

@@ -0,0 +1,21 @@
+/**
+ * Copyright 2025 Redpanda Data, Inc.
+ *
+ * Use of this software is governed by the Business Source License
+ * included in the file https://github.com/redpanda-data/redpanda/blob/dev/licenses/bsl.md
+ *
+ * As of the Change Date specified in that file, in accordance with
+ * the Business Source License, use of this software will be governed
+ * by the Apache License, Version 2.0
+ */
+
+import type { VariantProps } from 'class-variance-authority';
+import type { tableHeadVariants } from 'components/redpanda-ui/components/table';
+
+type TableHeadVariants = VariantProps<typeof tableHeadVariants>;
+
+/** `columnDef.meta` shape shared by the consumer group tables, derived from the registry's TableHead variants. */
+export type ColumnMeta = {
+  align?: TableHeadVariants['align'];
+  headWidth?: TableHeadVariants['width'];
+};