Mockup of the Datum Tower home screen in drift state: an epoch strip of contract versions, a drift card showing a schema delta with blast radius and reconciliation status, and a registry rail with presence avatars and a decision ledger.

⌖ datum acme/workspaces
drift · 1 delta reconciling
epoch
v7 · 12:55
v8 · live · 14:02
contract delta · db.users v7 → v8 14:02:11
detected 0.3s fenced 5.8s advised 6.4s reconciled 2/2 spec PR open

asha: "phone signups make email the wrong name." users.email → contact_email, migration 0042.

db.users v8 ben · routes/users.ts fenced → reconciled chen · UserCard.tsx advised → reconciled

current truth

db.users
A B
v8
api.GET /users/:id
B C
v3
deps.db-driver
A v2

ledger

#112 14:02 asha · rename users.email, phone signups landing

#111 13:41 chen · adopt zod for DTO parsing

#110 13:18 ben · invites API returns 202 + job id

⌖ all sessions synced to v8 · 3 agents live · last delta 4m ago