SIE Blackboard Features
Capability catalogue for SIE Blackboard.
Table of contents
Milestones
- Foundation — implemented today (real service code).
- Near-term — prioritized next (P0, feasibility now).
- Mid-term — planned (P1, feasibility next).
- Future — projected (P2–P3, later).
Milestones express prioritization and engine reality — not delivery commitments.
Capabilities
| Functional component | Representative features | Milestone | Usage scenario |
|---|---|---|---|
| Blackboard lifecycle | Blackboard seal state machine (OPEN → SEALED → BYTE_STABLE); isolation invariant (sealed boards immutable) | Foundation | — |
| Contribution validation | Contribution posting & schema validation against the referenced Panel; rejection of invalid contributions before persistence | Foundation | — |
| Audit ledger | Append-only audit entries, transactional with each mutation; immutable record of every blackboard change | Foundation | — |
| Panel & contribution model | Panel declaration; confidence / provenance envelopes; sealed byte-stable contribution streams | Foundation | — |