docs: ADR-0023 + demo note + backlog sync for the observability backplane (refs #122)

ADR-0023 records the Grafana-native stack (Tempo, no collector, config baked into images); demo-script and BACKLOG describe S-16a and the S-16 split. refs #122
2026-07-23 12:48:02 +02:00
parent f29a8598fd
commit 43c6c8e0d2
3 changed files with 106 additions and 1 deletions
@@ -253,10 +253,16 @@ Split (issue #11 closed) into two independently-demoable slices per §13 — the

 **Outcome:** Beheer portal lets an admin view ZTC catalogi (read-only first), and manage the ACL's default-fill configuration via a CRUD UI. MFA on the medewerker realm enforced.

-### S-16 · OpenTelemetry traces + Grafana dashboard
+### S-16 · OpenTelemetry traces + Grafana dashboard *(split — #17 closed)*

 **Outcome:** Traces span portal → BFF → Domain → ACL → OpenZaak and portal → BFF → Domain → Flowable. Grafana dashboards pre-built for golden signals.

+Split into independently deployable sub-slices (CLAUDE.md §13):
+
+- **S-16a** (#122) · Observability backplane — Grafana Tempo + Prometheus + Grafana in compose, datasources auto-provisioned (ADR-0023). No collector; config baked into built images.
+- **S-16b** (#123) · Distributed traces across the five .NET services (OTLP → Tempo; nginx `traceparent` passthrough). Depends on S-16a.
+- **S-16c** (#124) · Prometheus metrics + golden-signal Grafana dashboards. Depends on S-16a.
+
 ### S-17 · Quartz.NET scheduler — herregistratie reminder sweep ✅

 **Outcome:** Daily Quartz.NET cron job finds inscriptions within 90 days of their herregistratie deadline and reminds each (flag on the aggregate + log). No outbound notification and no domain event in v1 — the reminder is the persisted flag, surfaced on the read model (ADR-0022, #120). Quartz fires time-triggered sweeps; the existing pumps stay as queue-drainers.