Function ensureEnvelope

src/proxy/envelope.js:48–57

* Wrap `body` in a GEP-A2A envelope unless it already is one. * * When the caller hands us a pre-built envelope, sender_id is still forced * to the proxy's own node_id: callers must not be able to impersonate * another node through the proxy (same rule as the ATP passthrough routes). * * @para

(messageType, body, senderId)

 * @returns {object} Full protocol envelope
 */
function ensureEnvelope(messageType, body, senderId) {
  const b = body || {};
  const isEnvelope = b.protocol === PROTOCOL_NAME
    && typeof b.message_type === 'string'
    && b.payload && typeof b.payload === 'object';
  if (isEnvelope) {
    return { ...b, sender_id: senderId || b.sender_id || null };
  }
  return buildEnvelope(messageType, b, senderId);
}

module.exports = { buildEnvelope, ensureEnvelope, PROTOCOL_NAME, PROTOCOL_VERSION };