#343 Demo: IoT Firmware Fleet Rollout

## Overview Safe, staggered firmware updates for device fleets with automatic rollback. ## Workflow Steps 1. Select batch of 100 devices 2. Push firmware update (HTTP to device management API) 3. Wait for heartbeat signals from devices 4. Check error rate 5. If error rate < 1%: Proceed to next batch (1000) 6. If error rate > 1%: Trigger rollback workflow 7. Repeat until complete ## Tools Required - tools.http.request ✅ (device API) - tools.workflow.execute ✅ (rollback sub-workflow) - IoT Platform App ❌ (marketplace - AWS IoT, Azure IoT) ## DSL Operators ForEachOperator (batching), WaitForEventOperator (heartbeat), ConditionalOperator, ParallelOperator ## Mock Implementation - Mock device management API - Simulate heartbeats via events - Calculate error rates in Python task ## Durable Advantages - Maintains rollout cursor - Orchestrates complex rollback - Reliable batch progression