Release v2026.8.2.3
Multi-arch container image:
ghcr.io/canvascoding/canvas-notebook@sha256:a473409f5857ffd15d6c9750b0c799408da9aa91259b1f919718e430dc558b41
Fixes:
- Remove legacy auto-update units when managed mode is active
- Clean up unused Docker images after successful updates
- Add missing next_attempt_at column for team membership sync state