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Oliver Kieselbach
8134adf3e4
Plan §5 PR5 (session-deletion-cascade-safe.md): flag-gated dispatch in
DeleteSessionFunction between the legacy direct-delete path and the V2
cascade producer; SessionDeletionWorker registered as a hosted service;
UI shows a "deletion queued" toast + per-row spinner while the worker
drains, then removes the row on the SignalR sessionDeleted event.
Includes the codex review follow-ups:
F1 — IsSessionDeletionKillSwitchActiveAsync bypasses the 5-min admin
config cache; fail-CLOSED on storage error so a flip-ON is honored
across scaled-out Function-host instances within seconds (instead
of minutes). Wired into DeleteSessionFunction, Producer, Worker.
F2 — DeleteSessionAsync now reads DeletionState + ETag together with
IndexRowKey, refuses on locked state, and ETag-conditionals the
delete; closes the T2-T4 race where a concurrent V2 producer
could orphan side-table rows. Caller in the legacy path
disambiguates the bool via a re-read into 404 / 409 / 500.
F3 — pendingDeletions threaded from useDeleteSession through page.tsx
→ SessionTable → SessionCell; action cell renders a disabled
spinner instead of the delete button. Hook subscribes to
sessionDeleted SignalR + polls GET /api/sessions/{id} every 60s
as a fallback for missed events; only 404 clears the pending row.
EnableCascadeDeleteV2 + SessionDeletionKillSwitch both default false —
PR5 stop-condition keeps real tenants on the legacy path until §18.4
internal-tenant validation. PR6 wires the producer into the dedicated
SessionDeletionMaintenanceFunction next.
Backend xUnit: 1483/1483 pass. Web vitest: 347/347 pass.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>