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/app/(app)/bottom-nav.tsx

@@ -2,41 +2,41 @@
 
 import Link from "next/link";
 import { usePathname } from "next/navigation";
-import { LayoutDashboard, Layers, ListTodo, Search } from "lucide-react";
 import { cn } from "@/lib/utils";
+import type { AuthUser } from "@/lib/auth/auth-context";
+import { MoreSheet } from "./more-sheet";
+import { bottomNavItems, isNavActive } from "./nav-config";
 
-const ITEMS = [
-  { label: "Start", href: "/dashboard", icon: LayoutDashboard },
-  { label: "Völker", href: "/colonies", icon: Layers },
-  { label: "Aufgaben", href: "/tasks", icon: ListTodo },
-  { label: "Suche", href: "/search", icon: Search },
-];
-
-export function BottomNav() {
+export function BottomNav({ user }: { user: Pick<AuthUser, "permissions"> }) {
   const pathname = usePathname();
 
   return (
     // Height and padding include the iOS home-indicator inset, so the labels
     // stay tappable above it; --bottom-nav-height is shared with the content
     // padding, StickySubmit and the quick-add button.
-    <nav className="fixed inset-x-0 bottom-0 z-30 flex h-(--bottom-nav-height) border-t bg-background pb-(--safe-area-bottom) sm:hidden">
-      {ITEMS.map((item) => {
+    <nav
+      aria-label="Hauptnavigation"
+      className="fixed inset-x-0 bottom-0 z-30 flex h-(--bottom-nav-height) border-t bg-background pb-(--safe-area-bottom) sm:hidden"
+    >
+      {bottomNavItems().map((item) => {
         const Icon = item.icon;
-        const isActive = pathname.startsWith(item.href);
+        const isActive = isNavActive(pathname, item.href);
         return (
           <Link
             key={item.href}
             href={item.href}
+            aria-current={isActive ? "page" : undefined}
             className={cn(
               "flex flex-1 flex-col items-center justify-center gap-1 text-xs",
               isActive ? "text-primary" : "text-muted-foreground",
             )}
           >
-            <Icon className="size-5" />
-            {item.label}
+            <Icon className="size-5" aria-hidden="true" />
+            {item.shortLabel ?? item.label}
           </Link>
         );
       })}
+      <MoreSheet user={user} />
     </nav>
   );
 }