Function mockFetchRichParams

src/node/services/coderService.test.ts:891–903

(
      params: Array<{
        name: string;
        default_value: string;
        ephemeral?: boolean;
        required?: boolean;
      }>
    )

    // Helper to mock fetch for rich parameters API
    function mockFetchRichParams(
      params: Array<{
        name: string;
        default_value: string;
        ephemeral?: boolean;
        required?: boolean;
      }>
    ) {
      global.fetch = vi.fn().mockResolvedValue({
        ok: true,
        json: () => Promise.resolve(params),
      }) as unknown as typeof fetch;
    }

    it("streams stdout/stderr lines and passes expected args", async () => {
      mockPrefetchCalls();