drjones c250ed2f80 feat(wallet): Lightning deposit and withdrawal in the client ...

Deposit shows a scannable QR, because nobody types a 400-character
invoice at a party. The QR encoder is written rather than imported: a CDN
script is a dependency on the outside world, and this box has to work on
a network with no internet.

Its tests caught a real bug — the format-information loop wrote eight
cells down column 8, but the eighth is the dark module, which is fixed.
Overwriting it produces symbols some readers reject.

The deposit and withdraw cards stay hidden unless the server reports a
node, so a play-money deployment does not advertise a deposit it cannot
honour. Settlement is polled and confirmed server-side against the node,
so the client cannot claim a payment that never arrived.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

2026-08-06 04:18:57 +00:00

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