v0.6.4 merge to main

[crzykidd]

Summary

• Tile icon block split into two rows. Status icons (home, world,
  docker, widget) on top; action icons (Dozzle, edit, chevron) on
  bottom. Frees horizontal space so container names stop truncating.
  icon-sep element and its CSS rule removed.
• Mobile filter bar collapse. Below 640 px the filter bar shows
  only the free-text input plus a "View options" toggle. All other
  controls (group-by, sort, URL-less, auto-refresh, timer) collapse
  into a panel that opens/closes on tap, outside-click, or Esc.
  Desktop layout unchanged.
• Drawer scroll-into-view on mobile. Tapping the chevron on a tile
  near the bottom of the viewport smoothly scrolls the tile to the
  top so the drawer has room to expand. Only fires below 768 px.
• Stack row in the tile drawer. Shown immediately after Host when
  stack_name is set. Conditional — no row if empty.
• Larger mobile touch targets. Tile status icons and drawer action
  buttons get bigger hit boxes below 640 px via @media — visual
  size unchanged on desktop.