The current leaderboard, best-first, across all completed iterations so far.
The max iterations this wave may contain (the configured concurrency).
The plan being executed.
Experiments NOT yet dispatched (deterministic default draws from here, priority-ordered).
Index of the wave about to be produced (0-based).
Context handed to IWaveStrategist.proposeNextWave — everything a strategist (deterministic or LLM-backed) needs to decide the next wave.