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/test/db-session.e2e-spec.ts

@@ -0,0 +1,64 @@
+import { Client } from 'pg';
+import { dbSessionConfig } from '../src/prisma/db-session';
+import { PrismaService } from '../src/prisma/prisma.service';
+
+/**
+ * Prisma fills @default(now()) on the client as UTC wall clock, SQL now()
+ * stores the session's wall clock - both in `timestamp without time zone`
+ * columns. They only agree if every session runs in UTC, whatever the
+ * server or database default is (the local test DB runs Europe/Berlin).
+ */
+describe('Database session time zone (e2e)', () => {
+  let prisma: PrismaService;
+  const aggregateId = `tz-${Date.now()}-${Math.round(Math.random() * 1e6)}`;
+
+  beforeAll(() => {
+    prisma = new PrismaService();
+  });
+
+  afterAll(async () => {
+    await prisma.domainEvent.deleteMany({ where: { aggregateId } });
+    await prisma.$disconnect();
+  });
+
+  it('runs a fresh Prisma connection in UTC', async () => {
+    const [{ TimeZone }] = await prisma.$queryRaw<
+      { TimeZone: string }[]
+    >`SHOW TIME ZONE`;
+
+    expect(TimeZone).toBe('UTC');
+  });
+
+  it('writes a Prisma default timestamp and SQL now() on the same clock', async () => {
+    const seconds = await prisma.$transaction(async (tx) => {
+      const event = await tx.domainEvent.create({
+        data: {
+          type: 'TaskDue',
+          aggregateType: 'Task',
+          aggregateId,
+          payload: { dueOn: '2026-10-13' },
+          correlationId: aggregateId,
+        },
+      });
+      const [{ s }] = await tx.$queryRaw<
+        { s: number }[]
+      >`SELECT EXTRACT(EPOCH FROM now() - "occurredAt")::float AS s FROM "DomainEvent" WHERE "id" = ${event.id}`;
+      return s;
+    });
+
+    expect(Math.abs(seconds)).toBeLessThan(1);
+  });
+
+  it('runs a raw pg connection with the shared session options in UTC (LISTEN client)', async () => {
+    const client = new Client(dbSessionConfig(process.env.DATABASE_URL));
+    await client.connect();
+    try {
+      const { rows } = await client.query<{ TimeZone: string }>(
+        'SHOW TIME ZONE',
+      );
+      expect(rows[0].TimeZone).toBe('UTC');
+    } finally {
+      await client.end();
+    }
+  });
+});