Overview cold start:
- InstanceResourceService persists every live fetch into status_snapshots
(category 'resources') and serves a snapshot younger than 2 minutes
before calling upstream, so the first fleet overview after a restart
costs zero device requests; instance deletion cleans up via FK cascade
Bounded retention for the four fastest-growing tables (15-minute sweep):
- connection_logs: one row per probe per beat had no automatic cleanup
- audit_events: new pruneBefore (90d)
- operation_preparations: every prepare/retry attempt inserted a row,
terminal rows now expire after 7 days
- notification_queue: terminal rows pruned after 30 days
SSE events now cover instance lifecycle:
- create/update emit instance envelopes from the routes; the two-phase
delete emits a job envelope on every terminal transition plus an
instance envelope when the node actually disappears, so fleet and
instance views invalidate in real time
Linux ops:
- 'install.sh unit' writes systemd user units for API and gateway with
Restart=on-failure, 0600 secret injection, and
MULTI_SIMADMIN_SYSTEMD_UNIT wired so console self-update restarts via
systemctl -- closing the self-update loop on Linux
chick
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