Function harnessIsAuthed

packages/acp-adapter/src/server.ts:113–116

* Inline auth gate — moved out of `KimiAuthFacade.hasUsableToken()` so * the SDK doesn't have to carry an ACP-specific convenience method. * Mirrors the original semantics exactly: any provider with `hasToken` * set counts as authed.

(harness: KimiHarness)

 * set counts as authed.
 */
async function harnessIsAuthed(harness: KimiHarness): Promise<boolean> {
  const status = await harness.auth.status();
  return status.providers.some((entry) => entry.hasToken === true);
}

/**
 * Agent-side ACP handler. Routes `initialize` + `session/new` + `session/cancel`