Digital Dance Studio — System Architecture Complete logical architecture showing identity, profiles CQRS, content CQRS, annotations CQRS, event bus, and data stores Clients WPF MAUI Blazor Shared .NET client library API gateway (YARP)Routing, JWT validation, refresh signaling Subscribes to user change events for refresh signaling Identity IdentityAuth, groups Own PG DB Profiles (CQRS) ProfilesRead + write Profile PG DB Content (CQRS) CatalogWrite + read Transcode worker (FFmpeg) Media deliveryNginx Catalog includes video links Catalog PG DB SeaweedFS Annotations (CQRS) AnnotationsWrite + read Annotations PG DB SeaweedFS Metadata in PG JSON in SeaweedFS Analytics Event bus — MassTransit / RabbitMQvideo.uploaded · video.liked · user.groups.changed · profile.updated · annotation.created · ... Shared .NET contracts DigitalDanceStudio.Shared.Contracts — messages, DTOs, interfaces DigitalDanceStudio.Shared.Client — HTTP client, auth, retry, failover Infrastructure WireGuard Portainer Docker Compose Prometheus Grafana Identity (isolated) App services Workers Data stores Gateway