harmos-guest 0.1.3

Harmos guest kit for WebAssembly component plugins.
Documentation 
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package harmos:guest@0.2.0;

interface capabilities {
    /// A carrier refusal: its code beside the encoded Harmos failure it
    /// carries unchanged across the component boundary.
    record refusal {
        code: string,
        failure: list<u8>,
    }

    /// One consumer-owned declaration registered before initialization.
    record registration {
        namespace: string,
        schema: u32,
        payload: list<u8>,
    }
}

/// The host resolves child calls against the original finite attempt or
/// initialized plugin generation, retaining admission and settlement authority.
interface operation-context {
    use capabilities.{refusal};
    child: async func(call: list<u8>) -> result<list<u8>, refusal>;
}

/// SDK lifecycle and ordinary operations share the original retained table.
world plugin {
    import operation-context;
    use capabilities.{registration, refusal as operation-refusal};
    /// Read-only metadata collection; never prepares lifecycle resources.
    export register: func() -> result<list<registration>, string>;
    export operate: async func(command: list<u8>) -> result<list<u8>, operation-refusal>;
}