Phase 1. Struct-form BlurFloat overlay (was the legacy positional overload);
DialogWarningHeader care header; centered DialogActionFooter (Create Backup +
Close) replacing the StyledButtons + separator; full i18n — title/destination/
button reuse existing backup_* keys, plus two new keys (backup_warn one-line care
line, backup_overwrite_confirm) added in en + 8 langs. No change to backupWallet.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
DanS
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