[robustness] Font atlas has no eviction/repack; ShelfPlace fails permanently once full
Build the Flatpak with crafter-build's Flatpak output instead of the CrafterBuild base app
A ledger entry that is not an object ends run and seats with an error
run --scratch keeps a seat ledger that seats never reads
Ledger::Save is public, unused and overwrites the shared ledger
A pass's credit-error mark ignores a grant seen since the pass started
Settle ignores the ledger entry Ledger::Add returns
A paid seat within one lens cost of its budget is neither placed nor out