[
  {
    "stage_index": 1,
    "name": "Node Selection & Readiness Check",
    "action_type": "setup",
    "description": "Identify unblocked nodes whose inbound dependency edges have succeeded."
  },
  {
    "stage_index": 2,
    "name": "Transition Execution",
    "action_type": "dispatch",
    "description": "Execute node payload and produce candidate next state."
  },
  {
    "stage_index": 3,
    "name": "Predicate Edge Evaluation",
    "action_type": "output_validation",
    "description": "Evaluate boolean edge predicates to determine transition route."
  },
  {
    "stage_index": 4,
    "name": "Fallback Routing on Failure",
    "action_type": "retry",
    "description": "If node execution fails, route through dedicated error/fallback recovery edges."
  }
]