Interactive Ring (Chang–Roberts) leader election — five processes in a clockwise ring; each forwards only IDs greater than its own. Step through three failure scenarios or take over in free play.

5 nodes · clockwise · highest ID wins leader participant token here crashed
1 · Failure noted
2 · Bid travels
3 · Bid grows
4 · Bid returns
5 · Coordinator
Step 0 / 0

Ready. Five nodes in a ring. P5 is leader.

Scenario timeline—
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leader
P5
alive
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token at
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