save-crystal

named slots, snapshots, and a guard that refuses a bad save

Adventurer live state

Name

Class Knight

Level 1

HP 30 / 30

Gold 0

Played 00:00

arrows

Cell(2,2)

save-crystal — single file, vanilla JS, no network. Records: {schema,savedAt,playedMs,checksum,data}, checksum FNV-1a over canonical data.