Function makeElicitingEngine

packages/hosts/mcp/src/tool-server.test.ts:198–216

(
  request: FormElicitation | UrlElicitation,
  formatResult: (response: {
    action: string;
    content?: Record<string, unknown>;
    meta?: { readonly persist?: string };
  }) => unknown = (r) => r.action,
)

/** Build an engine whose execute triggers one elicitation and returns the handler's result. */
const makeElicitingEngine = (
  request: FormElicitation | UrlElicitation,
  formatResult: (response: {
    action: string;
    content?: Record<string, unknown>;
    meta?: { readonly persist?: string };
  }) => unknown = (r) => r.action,
): ExecutionEngine =>
  makeStubEngine({
    execute: (_code, { onElicitation }) =>
      Effect.gen(function* () {
        const response = yield* onElicitation({
          address: STUB_TOOL_ADDRESS,
          args: {},
          request,
        });
        return { result: formatResult(response) };
      }),
  });

// ---------------------------------------------------------------------------
// Explicit native elicitation mode