axis 1 (random): 64 points, seed 0xa11ce
distinct total_pips across 64 points: 33
axis 2 (optimize): best total_pips = 0.0000
lineage: persisted family id = eurusd-tune-0
round-trip: family eurusd-tune-0 kind=Sweep members=64
re-run mints fresh id = eurusd-tune-1

OK: random tune -> optimize -> persisted+round-tripped lineage family.
