v0.2.0

Highlights

• WebSocket streaming end-to-end between sentinel, server, and proctor.
• Proctor image streamer with sentinel selection and base64 frames.
• Release automation matured with docker, k8s, and CI consolidation.

Added

• Sentinel WebSocket client plus screen capture and fragmentation for large frames.
• Server WebSocket communication, cache/frame listener work, and protocol docs.
• Proctor UI for sentinel selection and streamed image display.
• Docs: Nix/CI guidance, WebSocket lifecycle, media spec, and sprint reviews.

Changed

• Server stack refactor from Kotlin to Java with coverage in CI.
• CI: merged PR checks, archive workflow fixes, and docker image conventions.
• Deployment: nix-generated k8s manifests and docker build/test scripts.

Fixed

• WebSocket frame RSV handling and PNG encoding dimensions.
• Server startup schema creation for fresh databases.