Veri modeli

Migrations: services/control-plane/migrations/ (0001–0012).

Tablolar

Tablo	Not
`tenants`	+ slug
`principals`	roller: admin, engineer, viewer, operator
`principal_avatars`
`sessions`
`api_tokens`	+ role_max
`principal_folder_grants`
`projects`
`workspaces`
`revisions`	değişmez
`revision_resources`	değişmez
`workspace_resources`	taslak
`deployment_targets`	+ runtime_id
`deployment_artifacts`	değişmez
`audit_events`	değişmez
`idempotency_keys`
`runtimes`	kayıtlı runtime uçları

folder, tag, screen, equipmentType, equipment, udt, udtInstance, connection, report

historian_samples — crates/historian-postgres bağlanınca CREATE TABLE IF NOT EXISTS. Mühendislik DB değildir.