- Session is root (not Mission): Field Session → Mission → Asset → Observation...
- Event Sourcing: never overwrite status, status is projection of history
- Artifact Registry: first-class object with id, type, version, hash, lineage
- Decision Case immutability: Review → Revision → Approved Version (like Git)
- Review Task: Assigned → Reviewed → Approved → Closed
- Processing Graph: nodes not hardcoded chain, swap models without changing rest
- Data Quality as domain: Blur, Duplicate, Bad GPS, Low Resolution, etc.
- Decision Case comparison: show exactly what changed, which evidence, model, human
- Golden Missions + Golden Datasets: two levels
- Domain Event Viewer: timeline (09:42 Mission Created, 09:43 Video Uploaded...)
- KPI: Verified Decision Throughput (verified decisions per day)
- Architecture Principle: 'Produces verified Decision Cases through reproducible
and traceable pipeline'
Updated PR-001 Domain Model:
- Added FieldSession (root)
- Added Artifact interface
- Added Event sourcing types
- Session ID format: session_YYYYMMDD_NNNNNN
- Updated API to include /sessions endpoints
Rationale: Three fundamental objects (Session, Artifact, Event) make the rest
natural. Scalable, auditable, well-suited for public sector traceability requirements.
Bernt
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