Regenerates delegation-ledger.{json,md} (at the package root, or --out)
from the harness's stable full-matrix results (priv/harness/results-1.2.5.json
by default). Pass --results results.json to use freshly generated local results.
mix live_interaction_contracts.ledger
mix live_interaction_contracts.ledger --results results.json
mix live_interaction_contracts.ledger --out ./docs