base_config: configs/jax_ppo/ladder-v2-expert.yaml
warm_start_checkpoint: /mnt/2tbhdd/coolrl-lost-cities-artifacts/ladder-v2/2026-07-05_013223_jax-ppo-ladder-v2-expert/latest

run:
  experiment_name: jax-ppo-league-v1
  seed: 20260705
  artifact_root: /mnt/2tbhdd/coolrl-lost-cities-artifacts/league

league:
  cycles: 5
  league_updates_per_cycle: 500
  snapshot_interval_updates: 250
  mirror_probability: 0.5
  uniform_mix: 0.1
  stalling_anchor_floor: 0.02
  stalling_anchor_cap: 0.05
  pool_max_size: 24
  max_active_pool_members: 12
  exploiter_member_fraction_cap: 0.3333333333333333
  wall_clock_hours: 6.0
  success_exploiter_win_rate: 0.60
  stagnation_window: 5
  stagnation_min_delta: 0.02

evaluation:
  games: 10000
  duplicate: true
  shuffle_bank_seed: 20260704
  batch_games: 8192
  recent_snapshot_evals: 3

exploiter:
  config: configs/jax_ppo/ladder-v2-exploiter.yaml
  updates: 250

guards:
  expert_ci_low: 0.0
  max_steps_rate: 0.02

tracking:
  tracked_summary_path: docs/reports/league-v1-2026-07-05-summary.jsonl
  report_path: docs/reports/league-v1-2026-07-05.md

anchors:
  - name: discard_only
    kind: static
    policy_name: discard_only
    anchor: true
    stalling: true
  - name: heuristic_balanced
    kind: static
    policy_name: heuristic_balanced
    anchor: true
  - name: heuristic_cautious
    kind: static
    policy_name: heuristic_cautious
    anchor: true
    stalling: true
  - name: heuristic_expert
    kind: static
    policy_name: heuristic_expert
    anchor: true
  - name: ladder_v2_gate1_discard
    kind: checkpoint
    config: configs/jax_ppo/ladder-v2-discard-only.yaml
    checkpoint: /mnt/2tbhdd/coolrl-lost-cities-artifacts/ladder-v2/2026-07-05_010429_jax-ppo-ladder-v2-discard-only/latest
    anchor: true
  - name: ladder_v2_gate2_balanced
    kind: checkpoint
    config: configs/jax_ppo/ladder-v2-balanced.yaml
    checkpoint: /mnt/2tbhdd/coolrl-lost-cities-artifacts/ladder-v2/2026-07-05_011827_jax-ppo-ladder-v2-balanced/latest
    anchor: true
  - name: ladder_v2_gate3_expert
    kind: checkpoint
    config: configs/jax_ppo/ladder-v2-expert.yaml
    checkpoint: /mnt/2tbhdd/coolrl-lost-cities-artifacts/ladder-v2/2026-07-05_013223_jax-ppo-ladder-v2-expert/latest
    anchor: true