Promoted 2026-07-02 — Twin Cloud OSS backend (spanda-twin-cloud, /v1/twins/*).
Related: twin-cloud.md · hosted-twin-cloud.md
Local digital mission twin evaluation (spanda twin mission) remains Stable separately.
| Gate | Status |
|---|---|
REST /v1/twins/* + RBAC on mutations |
Shipped |
gRPC ListTwins / GetTwin / SyncTwin / PushTwinSnapshot / ImportTwinReplay (proto 1.0.10) |
Shipped |
| File-backed persistence + history ring | Shipped |
CLI spanda twin cloud push\|pull\|list\|sync\|import-replay |
Shipped |
| SDK REST + gRPC (0.5.5+) | Shipped |
Registry spanda-twin-cloud + import twin.cloud |
Shipped |
| Unified legacy + SaaS smoke | scripts/twin_cloud_unified_path.sh |
| Hosted tenant smoke | scripts/hosted_twin_cloud_smoke.sh |
| Field soak (30 days) | ./scripts/twin_cloud_field_soak_init.sh |
# CI / local (soak skipped)
SPANDA_TWIN_CLOUD_SKIP_SOAK=1 ./scripts/twin_cloud_stable_promotion_gate.sh
# Production re-verify after soak
SPANDA_TWIN_CLOUD_SKIP_SOAK=0 ./scripts/twin_cloud_stable_promotion_gate.sh
Hosted managed product (billing, multi-region SLA) remains on the product track — hosted-twin-cloud-product.md.