Function pollLoop

packages/client/lib/sentinel/index.spec.ts:1266–1280

(phase: 'outage' | 'recovery', rounds: number)

      const pollResults: Array<{ phase: 'outage' | 'recovery'; status: 'success' | 'timeout' | 'error' }> = [];
      const pollLoop = async (phase: 'outage' | 'recovery', rounds: number) => {
        for (let i = 0; i < rounds; i++) {
          try {
            await timedGet();
            pollResults.push({ phase, status: 'success' });
          } catch (err) {
            const message = (err as { message?: string })?.message;
            pollResults.push({
              phase,
              status: message === '1s Timeout' ? 'timeout' : 'error'
            });
          }
          await setTimeout(3000);
        }
      };

      // Match the issue's periodic GET calls while outage is active.
      await pollLoop('outage', 3);