feat(infra): seed BIG catalogus + JWT client for OpenZaak (refs #2) (#41)

Makefile

@@ -21,7 +21,7 @@ export DOCKER_HOST := unix://$(PODMAN_SOCK)
 endif
 endif
 
-.PHONY: ci lint build unit smoke down changelog openzaak-up openzaak-smoke openzaak-down help
+.PHONY: ci lint build unit smoke down changelog openzaak-up openzaak-smoke openzaak-seed openzaak-down help
 
 ## ci: run the full pipeline — lint, build, unit, smoke (mirrors Gitea Actions)
 ci: lint build unit smoke
@@ -71,6 +71,13 @@ openzaak-smoke:
 	  echo "GET /zaken/api/v1/      -> $$root (expect 200)"; test "$$root" = "200"; \
 	  echo "OpenZaak smoke OK"'
 
+## openzaak-seed: bring OpenZaak up and seed the BIG catalogus (idempotent)
+openzaak-seed: openzaak-up
+	@bash -c 'for i in $$(seq 1 50); do \
+	    c=$$(curl -s -o /dev/null -w "%{http_code}" $(OZ_BASE)/catalogi/api/v1/ || true); \
+	    [ "$$c" = "200" ] && break; sleep 3; done; echo "OpenZaak ready ($$c)"'
+	python3 infra/openzaak/seed_catalogus.py
+
 ## openzaak-down: stop and remove the OpenZaak stack (wipes data)
 openzaak-down:
 	docker compose -f $(OZ_COMPOSE) down --volumes