Bitcoin / Radfi (dapp-kit granular skill)

Granular skill for the Bitcoin trading hooks of @sodax/dapp-kit v2 — authenticate (BIP322), fund a trading wallet, withdraw, manage UTXOs via the Radfi protocol. queryKey/mutationKey first segment: bitcoin. Dapp-kit-unique — no @sodax/sdk equivalent.

Step 1 — Clarify with user before coding

1. New code or v1 → v2 port?
2. Which stage? Session/auth (useRadfiAuth, useRadfiSession, useTradingWallet), balances (useBitcoinBalance, useTradingWalletBalance), operations (useFundTradingWallet, useRadfiWithdraw), UTXO maintenance (useExpiredUtxos, useRenewUtxos).
3. Session lifecycle handled? useRadfiSession(walletProvider) manages login/refresh/auto-refresh + localStorage persistence; gate trading buttons on isAuthed.

Integration workflow (new v2 code)

1. ../integration/knowledge/ai-rules.md — DO / DO NOT (read first).
2. ../integration/knowledge/architecture.md — hook shapes, mutateAsyncSafe, unwrapResult, queryKey conventions.
3. ../integration/knowledge/features/bitcoin.md — full hook surface, session flow, mutation TVars, return shapes, polling notes.
4. ../integration/knowledge/recipes/bitcoin.md — full worked examples (session, fund, withdraw, UTXO management).
5. Call-shape choice → ../integration/knowledge/recipes/mutation-error-handling.md.

Bitcoin/Radfi-specific anti-patterns (dapp-kit)