Soft-delete cascade was the missing half of archive: stamping
workspaces.archived_at alone left objects visible to anyone with a
direct id. The cascade runs in one transaction so the partial state
isn't reachable, and restore inverts it for any archived row in the
workspace — provenance-blind on purpose until we have a use case
that needs to distinguish per-workspace from per-object archives.
audit_log keeps the keyset index on (workspace_id, created_at) and
the actor_user_id FK with onDelete set null. recordAudit() refuses
to write a null actor without a metadata.system_actor label so the
audit view always has something to render. workspaces and invites
mutations call recordAudit on success; objects-router instrumentation
and the markdown importer's system-actor flow are filed as P2
follow-ups because each needs a thoughtful "what's audit-worthy?"
pass, not mechanical wiring.
Settings → Audit log lives at /<slug>/settings/audit, owner-gated,
keyset-paginated. ACTION_LABELS is small on purpose; new actions
fall back to their raw key so missing a label degrades gracefully.
Co-authored-by: Cursor <cursoragent@cursor.com>
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