Historical sample output: join-evidence.py with Python 3.12.3 against the supplied CSV files, recorded 2026-10-12.
 The rows below are that output.
If a later run differs, investigate input/source differences before changing the record.

joined
request_id,account,action,result,note
Q7,lea,read,allowed,read right
Q9,ida,list,allowed,list right
unmatched_requests
Q8
evidence_without_request
duplicate_request_ids