Daily results from The Galvanic Quantum Thingaminator 9000
Paste a board export or an old localStorage dump, or choose the file. An import only fills roles you haven’t decided on since — it never overwrites a decision.
To rescue the record from another browser that still has the old board data: open the board there, open its developer console, run copy(JSON.stringify(Object.assign({}, localStorage))) and paste the result here. Or simply sign in on that browser — the board migrates and saves its old data on its own.
copy(JSON.stringify(Object.assign({}, localStorage)))