fix(web): set stable table utility column widths

- assign fixed widths to selection columns so shared colgroup sizing keeps checkbox cells compact.
- size id columns in redemption and user tables to keep split headers aligned with body rows.

web/default/src/features/keys/components/api-keys-columns.tsx

@@ -92,6 +92,7 @@ export function useApiKeysColumns(): ColumnDef<ApiKey>[] {
       ),
       enableSorting: false,
       enableHiding: false,
+      size: 40,
       meta: { label: t('Select') },
     },
     {

web/default/src/features/redemption-codes/components/redemptions-columns.tsx

@@ -59,6 +59,7 @@ export function useRedemptionsColumns(): ColumnDef<Redemption>[] {
       ),
       enableSorting: false,
       enableHiding: false,
+      size: 40,
     },
     {
       accessorKey: 'id',
@@ -71,6 +72,7 @@ export function useRedemptionsColumns(): ColumnDef<Redemption>[] {
           <TableId value={row.getValue('id') as number} className='w-[60px]' />
         )
       },
+      size: 80,
     },
     {
       accessorKey: 'name',

web/default/src/features/system-settings/models/model-ratio-table-columns.tsx

@@ -71,6 +71,7 @@ export function buildModelRatioColumns({
       ),
       enableSorting: false,
       enableHiding: false,
+      size: 40,
       meta: { label: t('Select') },
     },
     {

web/default/src/features/users/components/users-columns.tsx

@@ -66,6 +66,7 @@ export function useUsersColumns(): ColumnDef<User>[] {
       ),
       enableSorting: false,
       enableHiding: false,
+      size: 40,
       meta: { label: t('Select') },
     },
     {
@@ -78,6 +79,7 @@ export function useUsersColumns(): ColumnDef<User>[] {
           <TableId value={row.getValue('id') as number} className='w-[60px]' />
         )
       },
+      size: 80,
       meta: { label: t('ID'), mobileHidden: true },
     },
     {