Use rv-screen column.display for table header labels

src/components/RecordViewTable.tsx

@@ -85,9 +85,30 @@ interface Props {
   toolbarAction?: React.ReactNode;
 }
 
+// Walks the rv-screen layout to find the rv_table element and returns a
+// key_name → display map for column header labels (the recordview response's
+// output_label is empty for v2 envelope screens).
+function extractColumnLabels(layout: any): Record<string, string> {
+  const out: Record<string, string> = {};
+  const walk = (nodes: any[]): void => {
+    for (const n of nodes ?? []) {
+      const cfg = n?.config;
+      if (cfg?.type === "rv_table" && Array.isArray(cfg.columns)) {
+        for (const c of cfg.columns) {
+          if (c?.key_name && c?.display) out[c.key_name] = c.display;
+        }
+      }
+      if (Array.isArray(n?.children)) walk(n.children);
+    }
+  };
+  walk(Array.isArray(layout) ? layout : []);
+  return out;
+}
+
 export default function RecordViewTable({ viewId, onRowClick, toolbarAction }: Props) {
   const navigate = useNavigate();
   const [rvTemplateUid, setRvTemplateUid] = useState<string | null>(null);
+  const [columnLabels, setColumnLabels]   = useState<Record<string, string>>({});
   const [fields, setFields]               = useState<RecordViewField[]>([]);
   const [rows, setRows]                   = useState<Record<string, unknown>[]>([]);
   const [pagination, setPagination]       = useState({ page: 1, limit: 10, total_count: 0, total_pages: 0 });
@@ -102,8 +123,12 @@ export default function RecordViewTable({ viewId, onRowClick, toolbarAction }: P
   useEffect(() => {
     setLoading(true);
     setRvTemplateUid(null);
+    setColumnLabels({});
     getRVScreen(viewId)
-      .then((rv) => setRvTemplateUid(rv.rv_template_uid))
+      .then((rv) => {
+        setColumnLabels(extractColumnLabels(rv.layout));
+        setRvTemplateUid(rv.rv_template_uid);
+      })
       .catch((err) => { setError(err.message); setLoading(false); });
   }, [viewId]);
 
@@ -262,7 +287,7 @@ export default function RecordViewTable({ viewId, onRowClick, toolbarAction }: P
                     `}
                   >
                     <span className="inline-flex items-center gap-1">
-                      {f.output_label}
+                      {columnLabels[f.field_key] || f.output_label || f.field_key}
                       {isSorted
                         ? (query.sort_dir === "asc"
                           ? <ArrowUp   size={11} className="text-rose-500" />