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-Frontend/src/components/rounds/round-next-panel.tsx

@@ -0,0 +1,53 @@
+"use client";
+
+import { ArrowRight, CheckCircle2 } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent } from "@/components/ui/card";
+
+interface RoundNextPanelProps {
+  /** Next colony to do, or null when the round is complete. */
+  next: { id: string; code: string } | null;
+  /** Colonies inspected in this round (for the closing message). */
+  doneCount: number;
+  /** Saved without a network: it syncs later. */
+  savedOffline: boolean;
+  onNext: () => void;
+  onEnd: () => void;
+}
+
+/** After a save in a round: one main step - on to the next colony. */
+export function RoundNextPanel({ next, doneCount, savedOffline, onNext, onEnd }: RoundNextPanelProps) {
+  return (
+    <Card className="max-w-lg">
+      <CardContent className="flex flex-col gap-4">
+        <p role="status" className="flex items-center gap-2 text-lg font-medium">
+          <CheckCircle2 className="size-5 text-condition-good-foreground" aria-hidden />
+          Gespeichert
+        </p>
+        {savedOffline ? (
+          <p className="text-sm text-muted-foreground">
+            Kein Netzwerk – die Durchsicht wird synchronisiert, sobald du wieder Netz hast.
+          </p>
+        ) : null}
+        {next ? (
+          <>
+            <Button type="button" size="touch" className="h-12 text-base" onClick={onNext}>
+              Weiter mit {next.code}
+              <ArrowRight aria-hidden />
+            </Button>
+            <Button type="button" size="touch" variant="outline" onClick={onEnd}>
+              Runde beenden
+            </Button>
+          </>
+        ) : (
+          <>
+            <p>Runde abgeschlossen – alle {doneCount} Völker</p>
+            <Button type="button" size="touch" className="h-12 text-base" onClick={onEnd}>
+              Zum Stand
+            </Button>
+          </>
+        )}
+      </CardContent>
+    </Card>
+  );
+}