Function mcpPost

e2e/cloud/mcp-protocol.test.ts:63–76

(
  url: string | URL,
  init: { readonly bearer?: string; readonly sessionId?: string; readonly body: unknown },
)

};

const mcpPost = (
  url: string | URL,
  init: { readonly bearer?: string; readonly sessionId?: string; readonly body: unknown },
): Promise<Response> =>
  fetch(url, {
    method: "POST",
    headers: {
      accept: JSON_AND_SSE,
      "content-type": "application/json",
      ...(init.bearer ? { authorization: `Bearer ${init.bearer}` } : {}),
      ...(init.sessionId ? { "mcp-session-id": init.sessionId } : {}),
    },
    body: JSON.stringify(init.body),
  });

/** initialize → session id (asserted present) → notifications/initialized. */
const openSession = async (mcpUrl: string, bearer: string): Promise<string> => {