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Expand SnowBridge to own ingest + in-process transform; drop dbt

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SnowBridge now owns machine-data ingest, in-process .NET transformation,
and direct writes to curated tables in Snowflake. Collapses the previous
ingest/transform split into a single service; no dbt, no external
orchestrator, no Snowflake landing tier. Keeps the in-house .NET pattern
consistent with ScadaBridge and OtOpcUa.

The "Snowflake dbt Transform Layer" roadmap workstream merges into
SnowBridge (7 → 6 workstreams); Year 2 canonical-state-based OEE moves
with it. Canonical model still has three surfaces — the third is
renamed from "dbt curated layer" to "SnowBridge curated layer in
Snowflake"; mechanics unchanged.
This commit is contained in:
Joseph Doherty
2026-04-24 14:53:16 -04:00
parent 22a86974f6
commit 98bf2d0da4
15 changed files with 130 additions and 124 deletions
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schemas/docs/overview.md
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@@ -12,7 +12,7 @@ Three OT/IT systems consume the same canonical model:
- **OtOpcUa** equipment namespace — exposes raw signals over OPC UA
- **Redpanda + Protobuf** event topics — canonical event shape on the wire
- **dbt curated layer in Snowflake** — analytics model
- **SnowBridge curated layer in Snowflake** — analytics model (SnowBridge writes curated rows directly; no separate dbt layer)
Without a central source, they would drift. With one repo, every consumer pulls a versioned snapshot and validates against it. Drift becomes a CI failure, not a production incident.