pub fn mint(ctx: &Ctx, credentials: &AppCredentials) -> Result<String, String>Expand description
Mint a short-lived RS256 JWT for the App: iss is the App id, iat
sits sixty seconds back against clock drift, and exp nine minutes
out, inside the forge’s ten-minute cap.
§Errors
A failure is a one-line detail for the caller to report — an
observation maps it to unknown, an apply to a refusal — never a
token that might be wrong.