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not 62fb986701 docs: ADR-0030 — the read projection is sourced from the register (refs #153)
Records the re-source and the three decisions inside it: the ACL writing an INGEDIEND record
on submit (without which re-sourcing silently drops every submitted registration), the dedup
key being the projected row rather than the notification, and the notification log holding
the row rather than the event.

Closes out ADR-0028's stated direction and the caveat it left open — the register record was
written but not yet read, and the two had to agree; there is now one source.
2026-08-28 12:36:52 +02:00
not 2125fb0cfd feat(infra): Objecten publishes register events to NRC (closes #152) (#154)
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## What & why

S-19b-1. A write to the Objecten API now produces a **delivered** notification on the
`objecten` kanaal in Open Notificaties. ADR-0028 switched Objecten's notifications off on
purpose — there was no broker, worker, kanaal or abonnement, so wiring only the client side
would have dropped every message on the floor. This slice builds the real path and turns it
back on.

- `objecten-celery` worker (mirrors `oz-celery`) + `CELERY_BROKER_URL`/`RESULT_BACKEND` on
  objecten-redis db 1 (db 0 is already the cache). `notifications_api_common` only *queues*
  the send; without a worker every register write is silently undelivered.
- `nrc` service + `notifications_config` in Objecten's `setup_configuration`, reusing the
  `big-reference-seed` credential OpenZaak publishes with (NRC authorizes it via OpenZaak's
  AC, which grants it `heeft_alle_autorisaties` — no second credential needed).
- The `objecten` kanaal in NRC's `setup_configuration`. The name is fixed by the Objects API
  (`NOTIFICATIONS_KANAAL`), not chosen here; publishing to an unregistered kanaal is exactly
  what the red check reported first.
- `NOTIFICATIONS_DISABLED: "false"` in both compose files.
- Writers address Objecten as `objecten.local` — see *Notes for reviewers*.
- `make verify-objecten-notifications` — registers an abonnement on `objecten` pointing at a
  throwaway sink, writes a `RegisterRecord` exactly as the ACL does on approval, asserts the
  delivery. One assertion covering the whole chain: Objecten -> objecten-celery -> NRC ->
  nrc-beat -> callback. Wired into the CI `verify-stack` job and the summary table.

**ADR-0029** records the decisions; ADR-0028's ceiling now points at it.

Closes #152

## Definition of Done

- [x] Linked Gitea issue (above).
- [x] Failing test committed before the implementation (dc9ca2c, red at the first hop:
      `NRC POST /api/v1/abonnement -> 400 "Kanaal met deze naam bestaat niet."`).
- [x] Implementation makes the test pass (4488962, + two fixes found by CI, below).
- [x] Conventional Commits referencing the issue (`refs #152`).
- [x] CI green — all six jobs on a5fd47e, including `verify-stack` end to end (e2e included).
- [x] `docker compose up` from a fresh clone reaches green health checks within 3 minutes
      (`verify-stack`'s bring-up step).
- [x] Docs updated — ADR-0029 added, ADR-0028's ceiling annotated, BACKLOG.md split.
- [x] ADR added in `docs/architecture/`.
- [x] Demo note in `docs/demo-script.md` if user-visible — n/a, infrastructure only; nothing
      consumes the kanaal until S-19b-2 (#153).

## Notes for reviewers

**The one genuinely non-obvious bit: writers address Objecten as `objecten.local:8000`, not
`objecten:8000`.** NRC types a notification's `hoofdObject`/`resourceUrl` as DRF `URLField`,
so Django's `URLValidator` runs on them — and it rejects a **single-label** host. Objecten
fills both from the object url DRF built with `request.build_absolute_uri`, i.e. *the Host
the caller used*. Writing via the plain service name returns 201 and then fails every
publish in the background, forever, with

```
400 {"hoofdObject":["Voer een geldige URL in."],"resourceUrl":["Voer een geldige URL in."]}
```

So the `objecten` service carries an `objecten.local` network alias and every writer uses it
— `Acl__Objecten__BaseUrl`, `ObjectenGatewayIntegrationTests`, this slice's verify driver.
An alias rather than a bare dotted `SITE_DOMAIN` so the host still *resolves*: a subscriber
following `resourceUrl` reaches the record, which S-19b-2 will do. Readers keep the plain
name. Same class of constraint as ADR-0028's Objecttypen base-URL rule.

**Ceiling, stated in the ADR:** nothing enforces the alias — a future writer using
`objecten:8000` gets a 201 and silently no notification. If a second writer ever appears,
rename the compose service rather than adding a lint.

**Two CI-only failures on the way here**, both worth knowing:
1. `SITE_DOMAIN` was my first guess at the mechanism and is simply not what builds those
   URLs — dropped in d76abf2.
2. The check correlated the delivery on the `reference` inside the record it wrote. An NRC
   notification carries `kanaal`/`resource`/`kenmerken`/`hoofdObject`/`resourceUrl` and
   **never the record data**, so it correlates on the object URL now (a5fd47e).

**Cost:** one more long-running container on the memory-tight runner. It inherits the capped
`UWSGI_PROCESSES: "1"` env, which the celery command ignores; if `verify-stack` gets tight
again, celery concurrency is the next knob.

**Follow-up:** S-19b-2 (#153) sources the projection from these events. Nothing subscribes to
the `objecten` kanaal in the product yet — only the verify check does.Reviewed-on: #154
2026-08-28 10:11:54 +00:00
not 0cd70ae8c3 S-19a · ACL writes the RegisterRecord to Objecten on approval (closes #149) (#151)
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Closes #149.

**Outcome:** approving a registration now writes the canonical register record to the **Objecten** API as a `RegisterRecord` object, alongside the ZGW eindstatus. OpenZaak holds the process, Objecten holds the register (ADR-0028). The write goes through the ACL (§8.1) and is idempotent on the zaak id, so a replayed approval updates the existing object rather than creating a second one.

S-19 (#20) was split first (CLAUDE.md §13) — it bundled this with re-sourcing the read projection, which is now #150.

### What landed

- `IRegisterRecordGateway` + `RegisterRecord` in `Acl.Application`; `ObjectenGateway` in `Acl.Infrastructure` (static Token auth, CRS headers, objecttype resolved by name to its highest **published** version).
- `AclService.ApproveZaakAsync` writes the record after the eindstatus, keyed on the zaak UUID with the zaak's identificatie as reference.
- Compose wiring for both stacks; `ADR-0028`; demo note; PRD §15 out-of-scope line retired.

### Three things only a live stack found

Running the gateway against a real Objecten + Objecttypen pair while writing this turned up blockers CI would have hit after the fact:

1. **Objecten rejects an objecttype it has not been configured with**, by UUID — assigned at seed time by a one-shot that runs *after* Objecten's static setup_configuration. The UUID is now pinned on both sides.
2. **Objecten 500s on every write when its Notificaties config is absent** (`notifications_api_common` raises rather than skipping). Objecten → NRC has no broker, worker, kanaal or abonnement, so notifications are **disabled** rather than wired to drop every message; #150 turns them on for real.
3. **Objecttypen echoes the request Host into the objecttype `url`**, and Objecten only accepts the one matching its configured `api_root` — so the ACL must read Objecttypen at `http://objecttypen:8000`. This is why the new integration test only passes inside the compose network.

All three are recorded in ADR-0028.

### Verification

- `ObjectenGatewayIntegrationTests` (verify-acl, in-network): two writes for one id leave exactly one object with the second write's status. **Passing locally against live Objecten.**
- The **Playwright happy path** asserts, after the behandelaar approves, that Objecten holds exactly one `RegisterRecord` for *that* reference — missing, duplicated, or non-public-safe all fail.
- ACL mutation score **92.23%** (baseline 91.37%, break 90).
- `make lint` / `make unit` green locally; full-stack `make verify` runs in CI.

## Definition of Done

- [x] A linked Gitea issue exists (#149).
- [x] Failing test written and committed first.
- [x] Implementation makes the test pass.
- [x] Refactor commit follows if structure improved.
- [x] Conventional Commit messages referencing the issue (`refs #149`).
- [x] All Gitea Actions CI jobs green (run 684).
- [x] `docker compose up` from a fresh clone reaches green health checks within 3 minutes (verify-stack step 1).
- [x] Docs touched — ADR-0028, demo note, PRD §15, BACKLOG.
- [x] ADR added: `docs/architecture/adr-0028-objecten-holds-the-register.md`.
- [x] Demo note appended to `docs/demo-script.md`.
- [x] Closed by the merging PR (`closes #149`).

🤖 Generated with [Claude Code](https://claude.com/claude-code)Reviewed-on: #151
2026-08-14 09:34:04 +00:00