# Shared resource envelope per run (identical across arms; reviewer sessions in arm D draw from the same envelope).
model: claude-opus-5-5
effort: null            # Claude Code CLI default effort (not overridden; recorded as 'default')
concurrency_per_node: 2
budget:
  max_budget_usd: 4.00
  wall_seconds: 1500
  max_turns_per_session: 80
  max_gate_cycles: 3
  max_review_cycles: 1
  min_continuation_usd: 0.25
list_prices_per_mtok: {input: 4.0, output: 20.0, cache_read: 0.20, cache_write: 5.0}   # claude-opus-5-5 list prices (skill cache 2026-10-06); used only to estimate cost of sessions killed before their result line