{"name":"SWAP Auth Middleware","version":"1.0.0","status":"online","endpoints":{"health":"GET /health","btc":{"challenge":"POST /auth/btc/challenge","login":"POST /auth/btc/login"},"bsv":{"status":"GET /auth/bsv/status","login":"POST /auth/bsv/login (requires BRC-103)"},"refresh":"POST /auth/refresh","logout":"POST /auth/logout"}}