amphro
After a game finishes, the round list in the sidebar shows all rounds played. Clicking a round entry should jump the board to that game state (same as the dev-panel scrubber, but player-facing). Currently the dev panel has a ◀/▶ scrubber (only visible when dev panel is open). This would expose that capability inline in the rounds list. Implementation note: `jumpToRound(idx)` already exists in Game.tsx — it's just a matter of wiring a click handler on each round entry and making the cursor indicate it's interactive.