{"example_header":"Authorization: Bearer gfavip-session-{your-real-session-token}","expected_response":{"accessToken":"syt_..._...","deviceId":"...","homeServer":"gfavip.com","userId":"@sso_{uuid}:gfavip.com"},"instructions":"Send POST request to /api/auth/matrix-token with Authorization header","message":"SSO Authentication Information","note":"Tokens are obtained from GFAVIP wallet login, NOT constructed manually","sso_validation":"development mode","token_format":"gfavip-session-{randomHex} (256-bit cryptographically random)","validation_endpoint":"https://wallet.gfavip.com/api/auth/validate"}