{
  "artifact": "Full-stack four-item Grover trace",
  "chapter": "Full-Stack Algorithm Trace",
  "chapter_url": "https://www.steven-geller.com/playground/quantum/book/83-full-stack-algorithm-trace/",
  "date_modified": "2026-08-14",
  "dependencies": [],
  "expected_exit_code": 0,
  "expected_stdout": "PASS: 83 full-stack Grover baseline=[0.0, 0.0, 1.0, 0.0] alternate=[1.0, 0.0, 0.0, 0.0] no_oracle_success=0.25\n",
  "fixture_sha256": "e6dc44a3a8fb056fcfdd115a325d013cdffea6fdf41297cbeb1eb60dbc5afc4a",
  "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 fixture normalizes every state, returns the marked item with probability one in the ideal one-iteration case, and the report separates query count from compiled gates, shots, and error assumptions.",
  "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."
}