{
  "artifact": "Cross-backend platform acceptance suite",
  "chapter": "Software and Developer-Platform Diligence",
  "chapter_url": "https://www.steven-geller.com/playground/quantum/book/75-software-and-developer-platform-diligence/",
  "date_modified": "2026-08-14",
  "dependencies": [],
  "expected_exit_code": 0,
  "expected_stdout": "PASS: 75 platform suite base=portable-tooling invalid=['a:provenance'] deviation1.5pp=reproducible-platform\n",
  "fixture_sha256": "bd24b7f09b7cf4750cb7dece3b4337fc43eb862f2a947e7b8519166413743ecd",
  "manifest_test_command": "python3 tools/validate_briefs.py --briefs data/editorial_briefs_64_87.json --from 64 --through 87 --check-rewritten-sources --execute-artifacts",
  "pass_condition": "The same task and validation rule run through two declared interfaces; failures preserve provenance; a wrapper-only result is distinguished from owned technical capability.",
  "python_requires": ">=3.11",
  "run_command": "python3 fixture.py",
  "schema_version": "1.1.0",
  "test_method": "Run the isolated fixture; require exit code 0 and exact stdout."
}