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]>

ApiCore-Backend/src/app.config.ts

@@ -19,7 +19,7 @@ import { noStoreMiddleware } from './common/middleware/no-store.middleware';
  * Production runs client -> Cloudflare -> Traefik -> backend, so the hop
  * count is not stable; TRUST_PROXY is an Express list there ("loopback,
  * 10.42.0.0/16, <Cloudflare IPv4+IPv6 ranges>", see
- * deploy/k8s/backend/configmap.example.yaml). A plain number ("1") is a hop
+ * deploy/k8s/base/backend/configmap.example.yaml). A plain number ("1") is a hop
  * count and stays the default when the variable is unset.
  */
 export function trustProxySetting(): number | string {