:app binds every :core:model interface to :data in debug and release (AppDataModule, D-085); the
debug fakes module is gone. NavHost over all feature screens with the session gate (S-1, S-2, S-18),
bottom destinations from each screen's own bar, result snackbars, deep links (kvitt://invite and the
/i/<CODE> landing link) and notification taps. :adapter:fcm maps payload v1 to PushEvent and registers
by Firebase Installation ID (firebase-messaging 26, D-087). Push work runs in WorkManager: expedited
sync waited up to 20 s, then the notification from local data or the generic text. WorkManager uses
KvittWorkerFactory, Coil uses :data's ImageLoader, SyncTriggers on start and foreground, update check
in release only. Network security configs (debug cleartext, D-086; pinned-root variant), release
signing from local.properties, notification permission after the first sync.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TQd3pEP9UeN2uifbHknQ7B
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