Stephen Munyi portfolio — visual sources Portrait: Stephen Munyi's supplied profile/headshot.jpg. Used for this portfolio. Project interfaces: owner-supplied project screenshots. Captions distinguish UI artifacts from deployed capabilities. HCB image: unaltered product rendering from SwiftPower_EMS_Deck.pptx, ppt/media/image13.jpg. No claim of physical enclosure design authorship. Deck figures: SwiftPower_Smart_Metering_Deck_v2.pptx, slides 6 (telemetry), 7 (prepaid vending) and 8 (connectivity). Original diagram positions, labels and embedded artwork extracted into SVG; typography normalized for readability. These are product architecture views and do not establish deployment of all proposed components. Technical diagrams: composed for Stephen Munyi from project evidence. Planned diagrams are labelled separately. AWS architecture images: Copyright Amazon.com, Inc. or its affiliates. Used unmodified from the PNG data in AWS Labs aws-icons-for-plantuml: https://github.com/awslabs/aws-icons-for-plantuml https://github.com/awslabs/aws-icons-for-plantuml/blob/main/LICENSE Image license: CC BY-ND 2.0 — https://creativecommons.org/licenses/by-nd/2.0/ Sources under dist/: Compute/EC2.puml; Containers/ElasticKubernetesService.puml; Containers/ElasticContainerRegistry.puml; Database/RDS.puml; Storage/SimpleStorageService.puml; NetworkingContentDelivery/ElasticLoadBalancing.puml. AWS architecture assets: https://aws.amazon.com/architecture/icons/ Icons identify evidenced or explicitly planned AWS services; they do not imply AWS endorsement or use of all services in the deployed pilot.