Function clamp

app/tools/render-table.tsx:53–69

(
  columns: Column[],
  rows: string[][],
)

    ),
});

type Column = z.infer<typeof schema>["columns"][number];

// Cap the native Table block at 100 rows (header included) and 20 cols.
const MAX_COLUMNS = 20;
const MAX_DATA_ROWS = 99;

/** Clamp to platform limits, recording what was dropped. */
export function clamp(
  columns: Column[],
  rows: string[][],
): { cols: Column[]; dataRows: string[][]; notes: string[] } {
  const cols = columns.slice(0, MAX_COLUMNS);
  const dataRows = rows.slice(0, MAX_DATA_ROWS);
  const notes: string[] = [];
  if (columns.length > MAX_COLUMNS) {
    notes.push(
      `only the first ${MAX_COLUMNS} of ${columns.length} columns shown`,
    );
  }