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Creating a Lightning invoice with no Lightning implementation installed failed
at the RPC layer — lnd.createinvoice returned connection-refused and the
Receive screen rendered it as a red error. That reads as the wallet being
broken when the node simply has no Lightning node installed yet.
useLightningRequired() gates the three invoice paths (wallet Receive, the Web5
send/receive sheet, and the app launcher's paywall — both arms there, since
paying an invoice needs a node as much as minting one). With none installed it
raises a modal offering to install one and the caller bails without surfacing
an error at all.
The modal lists the choice rather than assuming LND: LND installs today, Core
Lightning is listed greyed as "Coming soon" so the platform doesn't read as
LND-only. When CLN ships it is two lines — flip `available` and add the id to
LIGHTNING_NODE_APP_IDS.
Detection is install state, NOT reachability, deliberately: an installed node
that is merely stopped or still starting is a different problem ("start it")
and must not be answered with "install a Lightning node".
Also fixes the credentials modal, which painted its own rgba(8,10,18,.98)
navy card instead of the house glass-card — it read as blue against every
other modal. It existed twice (Apps.vue and apps/AppIconGrid.vue); both now
use BaseModal, so they also inherit Esc/focus handling, body scroll lock and
the standard pinned-header/footer scroll contract they were missing. Dead
panel CSS removed from both.
Verified: 4 new tests; full suite 103 files / 826 tests green; npm run build
clean with the new strings present in the built bundle.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>