- Enhance `Neo.grid.Container` to support `footerToolbar_` config, mirroring `headerToolbar`. - Enhance `Neo.data.proxy.Stream` to fire `progress` events (bytes loaded vs total) when `Content-Length` is available. - Create `DevIndex.view.home.StatusToolbar` containing: - `Neo.component.Progress` linked to the stream proxy. - "Visible Rows" label (moved from Controls panel). - Update `DevIndex.view.home.GridContainer` to use the new footer toolbar. - Remove the row count label from `DevIndex.view.home.ControlsContainer`.