{
  "date": "2026-10-27",
  "fixture": "Authored synthetic payment service; no customer data",
  "gitlab_thread": "https://gitlab.localhost:9443/null-alpha/review-fixture/-/merge_requests/3#note_68",
  "before": "7648fb510c1be1df38bf6ac5b17ca8d46fcc7b08",
  "after": "da4273bcdd220135ff12198412d2b052dddefab3",
  "model": "gpt-6.1-sol via official Codex CLI and pinned PR-Agent",
  "actual_model_calls": 2,
  "findings_before": 2,
  "findings_after": 0,
  "local_tests_after": 8,
  "gitlab_ci_run": false,
  "bot_approval": false,
  "merged": false,
  "feedback": "Author thumbs-up and useful reply read back by Null",
  "comment_presentation": "Comments edited after model generation to remove metadata and shorten labels; diagnoses preserved",
  "policy_change": "Agent instructions narrowed to substantial risks before the second review; not a controlled quality benchmark",
  "capture": "Native 2x GitLab screenshots and actual screencast; edited 60-second montage, not real-time latency",
  "limitations": [
    "Test GitLab is local and unavailable to public visitors",
    "AI review does not establish absence of defects",
    "Assignment shown in UI; the two bounded demo reviews were explicitly initiated through Null API",
    "No public customer pilot or production performance claim"
  ],
  "source_sha256": {
    "before/payments.py": "55061541dd3bd7048ddf12516c938530bbe4ec134a416e214ef3d81c2fab1490",
    "before/test_payments.py": "02d6fe0f58a3d4de763f0209d720201d1ca6b250bc871c307d5c475e7b9b1352",
    "after/payments.py": "ea84d28c4a212ee299f2b83c78a37441252add507aa28b3de101015a01558b87",
    "after/test_payments.py": "9af337058b19b69a0ac2e7986200df5243a3ebce1f66cba80b070f71d539fc3c"
  }
}