` | One row = one week. Exposes `weekNumber` via snippet. |
-| `HeadCell` | `| ` | Weekday column header. |
-| `Cell` | ` | ` | One grid cell. Owns flags: selected / disabled / today / … |
-| `Day` | `` | Focusable day. Handles click + keyboard. |
+| `PrevButton` | ` |