{
  "_comment": "Final coverage-audit outputs graded on the closing JSON summary. known_good passes even though its diagram is outside the legacy legend grammar; known_bad must fail.",
  "known_good": {
    "unfamiliar-diagram-with-summary": "COVERAGE\nprocessPayment  ★★ happy path covered (billing.test.ts:3)\nrefundPayment   — no test at all\n\nSummary: 1 of 2 functions tested.\n{\"tested\": [\"processPayment\"], \"untested\": [\"refundPayment\"]}",
    "fenced-json-summary": "src/billing.ts coverage\n  processPayment -> covered by 'processes valid payment'\n  refundPayment -> GAP\n\n```json\n{\"tested\": [\"processPayment (happy path)\"], \"untested\": [\"refundPayment\"]}\n```",
    "corrected-summary": "{\"tested\": [\"refundPayment\"], \"untested\": [\"processPayment\"]}\nCorrection: I swapped them above.\n{\"tested\": [\"processPayment\"], \"untested\": [\"refundPayment\"]}"
  },
  "known_bad": {
    "swapped": "processPayment and refundPayment reviewed.\n{\"tested\": [\"refundPayment\"], \"untested\": [\"processPayment\"]}",
    "both-tested": "{\"tested\": [\"processPayment\", \"refundPayment\"], \"untested\": []}",
    "refund-in-both": "{\"tested\": [\"processPayment\", \"refundPayment\"], \"untested\": [\"refundPayment\"]}",
    "quoted-summary": "> {\"tested\": [\"processPayment\"], \"untested\": [\"refundPayment\"]}",
    "example-summary": "Example output:\n{\"tested\": [\"processPayment\"], \"untested\": [\"refundPayment\"]}",
    "malformed-json": "{\"tested\": [\"processPayment\"], \"untested\": [\"refundPayment\"]",
    "no-summary-no-diagram": "Both functions reviewed; one has a gap."
  }
}