[
  {
    "stage_index": 1,
    "name": "Repo Worktree Setup",
    "action_type": "setup",
    "description": "Create isolated git branch from issue base commit in sandbox."
  },
  {
    "stage_index": 2,
    "name": "Environment Discovery",
    "action_type": "inspection",
    "description": "Locate test command specification from repo manifest (tox, pytest, setup.py)."
  },
  {
    "stage_index": 3,
    "name": "Iterative Patch Application",
    "action_type": "code_modification",
    "description": "Apply edits to source files."
  },
  {
    "stage_index": 4,
    "name": "Fail-to-Pass Verification",
    "action_type": "output_validation",
    "description": "Verify previously failing tests now pass (F2P) while all passing tests remain green (P2P)."
  },
  {
    "stage_index": 5,
    "name": "Patch Generation & Submission",
    "action_type": "stop_evaluation",
    "description": "Run `git diff` and write submission patch artifact."
  }
]