feat: platform backbone and field capture, first part (checkpoint)

Platform backbone (plan 2026-10-13-plattform-rueckgrat), reviewed tasks:
- run roles api/worker/job/all with shared startup checks (Task 1)
- schema and migration for DomainEvent, deliveries, JobRun, ThrottlerHit (Task 2)
- audit, notifications and domain events written in the same transaction (Task 3)
- dispatcher with SKIP LOCKED claims, retries and stale release (Task 4)
- worker building blocks: tick, LISTEN/NOTIFY wake-up, health (Task 5)
- worker process and entry points (Task 6)
- throttler counters in Postgres (Task 19)
- separate keys per purpose with key ring (Task 20)
- public origin page without exact location (Task 22)
- shop keys split into read and write (Task 23)
- Kustomize base, components, overlay encry, CI validation (Task 26)

Field capture T3 (plan 2026-10-13-t3-erfassung-am-stand), reviewed tasks:
- brood frames, read endpoints, apiary overview and offline pack
- network basics, offline queue v3, navigation sheets, form building blocks
- new inspection with last-time hints and weather, varroa per day,
  treatment prefill, apiary page with round
- inspection photo (Task 10) is implemented, review pending

Not rolled out. Remaining tasks follow in later commits.

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

deploy/k8s/base/backend/data-pvc.yaml

@@ -0,0 +1,15 @@
+# Persistenter Speicher fuer Dokumente, Avatare und die verschluesselten
+# App-Backups (ConfigMap: DOCUMENTS_STORAGE_PATH=/data/documents,
+# BACKUP_STORAGE_PATH=/data/backups). Im Cluster: StorageClass smb-app
+# (SMB 3.1.1 mit seal, uid/gid 1000 = User "node" aus dem Dockerfile).
+# ReadWriteMany, damit mehrere Backend-Replicas dieselben Dateien sehen.
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: apicore-data
+spec:
+  accessModes: [ReadWriteMany]
+  storageClassName: smb-app
+  resources:
+    requests:
+      storage: 20Gi