{
 "baseline": "this directory (record run A)",
 "candidate": "record run B: second independent record from a fresh export of the same tree, same venv; not committed",
 "differences": [],
 "equal": true,
 "exclusions": [
  "JSON keys: created_at, finished, generated_at, runtime_seconds, scan_id, started, timestamp",
  "JSON keys ending in: _seconds, _ms",
  "run directory names / run ids (<timestamp>-<8 hex>, benchmark.py create_benchmark_run, run.py create_scan_run) -> <RUN_ID>",
  "trace/events.jsonl as a whole (timings); never copied",
  "the export's absolute root path -> <ROOT>; the children's TMPDIR -> <TMP>",
  "suite: only the outcome per test id is kept (junit durations dropped)",
  "env.json is a provenance record (commit, freeze hash, instrument checks), not compared"
 ],
 "raw_bytes_identical": "all 15 files incl. env.json (diff -r empty)"
}