Canvas: keyboard layer, minimap and interaction hint bar#2807

opened21d agobyDDvorinka
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Three small additions that make the canvas feel like an editor:

  • Keyboard: F fit-view, 0 reset zoom, +/- zoom, Esc deselect — all on top of useReactFlow.
  • <MiniMap> — one component, big payoff on large environments.
  • A persistent hint strip: "Click to inspect · Double-click to open · Right-click for actions · F to fit" — makes the above discoverable.

Happy to PR these together or separately.