{
  "formal_acceptance": false,
  "actual_healthy_stream_proven": false,
  "proposal_adopted": false,
  "synthetic_control": true,
  "derived_from_original_sha256": "f7e5ad9fbaaf547816b83745d62b28bad893ac8ad0de324458d2ac4c6d6802c5",
  "proposal_sha256": "0fa718fbe28e7e0c341b1718cde76838d43a9dadb00bc5f41f29a41074aad824",
  "explicit_fixture_modifications": [
    {
      "record_index": 4,
      "field": "step_update.tool_info.output",
      "from": "sandbox-exec: sandbox_apply: Operation not permitted\r\n",
      "to": "",
      "reason": "Synthetic control only. Never classify this modified stream as actual healthy provider evidence."
    }
  ],
  "positive_control_recovered_reads": 5,
  "negative_cases": [
    {
      "case": "user_input_ERROR",
      "rejected": true,
      "reason": "Antigravity malformed user input"
    },
    {
      "case": "user_input_tool_info",
      "rejected": true,
      "reason": "Antigravity malformed user input"
    },
    {
      "case": "user_input_error",
      "rejected": true,
      "reason": "Antigravity malformed user input"
    },
    {
      "case": "user_input_bool_index",
      "rejected": true,
      "reason": "Antigravity malformed user input"
    },
    {
      "case": "unknown_step",
      "rejected": true,
      "reason": "Antigravity unknown step"
    },
    {
      "case": "duplicate_init",
      "rejected": true,
      "reason": "Antigravity malformed init"
    },
    {
      "case": "outside_init_cwd",
      "rejected": true,
      "reason": "Antigravity malformed init"
    },
    {
      "case": "failed_terminal",
      "rejected": true,
      "reason": "Antigravity terminal result不足"
    },
    {
      "case": "restore_actual_shell_denial",
      "rejected": true,
      "reason": "Antigravity shell permission denied"
    }
  ],
  "remaining_required": "Fresh healthy actual CLI1.3.3 stream, full submitted-suite validation, independent Opus review and ordinary integration before adoption."
}