Served from the per-client stack behind the box Traefik (project clienta · XFS bhard=5g · DB shape ii: the datadir shares the cap).
Reported ceiling: 5,120 MiB (the project cap, not the 55 GB partition) · Used 205.7 MiB · Free 4,914.3 MiB (4%)
At the cap this write fails with ENOSPC — the error banner is the client-facing UX.