usage: pactkit regression [-h] [--record] [--check-record] [--story STORY]
                          [--json]
                          [files ...]

positional arguments:
  files           Changed file paths (default: git diff)

options:
  -h, --help      show this help message and exit
  --record        Record a verification fingerprint after a green regression
                  run
  --check-record  Compare current state against the recorded verification
                  fingerprint
  --story STORY   Story ID for the verification record (default: active story)
  --json          With --check-record: emit the structured decision object
