feat: add Alby JS SDK client interop improvements
- Add NwcBudgetRenewal constants (daily/weekly/monthly/yearly/never)
- Add case-insensitive NwcTransactionState helpers (isSettled, isPending,
isFailed, isAccepted) for JS SDK lowercase state interop
- Add URI test using Alby JS SDK test vector (69effe7b... pubkey)
- Add JS SDK interop tests: lowercase transaction states in responses,
notifications, and list_transactions; empty get_budget response;
all budget renewal periods; structured transaction metadata;
full 13-method get_info response
https://claude.ai/code/session_01JFogiwyR4CPVP8cRznqahJ
Claude
83a6feeca4