## Summary
Adds a fourth gauge alongside the existing
`twenty_upgrade_workspaces_behind_total` /
`twenty_upgrade_workspaces_failed_total` so dashboards can show how many
workspaces are currently healthy, not just the ones that need attention.
- New gauge: `twenty_upgrade_workspaces_up_to_date_total`
- New count is computed during
`UpgradeStatusService.refreshInstanceAndAllWorkspacesStatus` (cheap — we
already iterate over every workspace), persisted in the existing
`UpgradeStatusCacheService` so the cache-hit path stays a single round
trip, and surfaced via `InstanceAndAllWorkspacesUpgradeStatusDTO` for
the admin panel.
## Files
-
`packages/twenty-server/src/engine/core-modules/upgrade/upgrade-gauge.service.ts`
— register the new ObservableGauge
-
`packages/twenty-server/src/engine/core-modules/upgrade/services/upgrade-status.service.ts`
— count UP_TO_DATE workspaces during refresh, propagate through cached
path
-
`packages/twenty-server/src/engine/core-modules/upgrade/services/upgrade-status-cache.service.ts`
— persist `upToDateWorkspaceCount` next to behind/failed sets
-
`packages/twenty-server/src/engine/core-modules/upgrade/dtos/instance-and-all-workspaces-upgrade-status.dto.ts`
— `Int` field on the admin DTO
- Tests: extended `upgrade-status.service.spec.ts` (14/14 green) —
cached and refresh paths both assert on `upToDateWorkspaceCount`
## Follow-up
A companion `twenty-infra` PR adds the new tile + line on the
upgrade-status Grafana dashboard.
