L16 Lotse-Chat für Monteure: mobile Chat-Seite, Aktionskarten, Mikrofon, Einstieg und Einstellung

/m/lotse mit Verlauf, Chips, Sprungzielen, Aktionskarten (Bestätigen/Bearbeiten/Verwerfen),
Spracheingabe mit editierbarem Transkript und Offline-Hinweis; Navigationseintrag, Button
„Lotse fragen“ im Auftragsdetail, Schalter und Datenfluss in /settings/lotse, Audit-Labels.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/app/(field)/m/layout.tsx

@@ -5,6 +5,7 @@ import { can } from "@/server/services/context";
 import { fieldPageContext } from "@/server/services/field/page-context";
 import { getMyActiveSession } from "@/server/services/field/sessions";
 import { countPendingTimeEntries } from "@/server/services/field/time-entries";
+import { canUseLotseChat } from "@/server/services/lotse/chat/access";
 import { cn } from "@/lib/utils";
 import { CraftviaLogo } from "@/components/brand/craftvia-logo";
 import { AccountInactiveNotice } from "@/components/account-inactive-notice";
@@ -14,19 +15,20 @@ import { RunningClockBar, type ClockSession } from "@/components/field/running-c
 import { OfflineRuntime } from "@/components/offline/offline-runtime";
 
 /** L12: own running/paused session + open approvals for the shell (never blocks the page). */
-async function shellTimeState(): Promise<{ clock: ClockSession | null; approvals: number }> {
+async function shellTimeState(): Promise<{ clock: ClockSession | null; approvals: number; lotseChat: boolean }> {
   try {
     const ctx = await fieldPageContext();
-    const [session, approvals] = await Promise.all([can(ctx, "field:execute") ? getMyActiveSession(ctx) : Promise.resolve(null), countPendingTimeEntries(ctx)]);
+    const [session, approvals, lotseChat] = await Promise.all([can(ctx, "field:execute") ? getMyActiveSession(ctx) : Promise.resolve(null), countPendingTimeEntries(ctx), canUseLotseChat(ctx)]);
     return {
       clock: session
         ? { status: session.status, workOrderId: session.workOrderId, number: session.number, title: session.title, segmentType: session.segmentType, segmentStartedAt: session.segmentStartedAt, closedSeconds: session.closedSeconds }
         : null,
       approvals,
+      lotseChat, // L16
     };
   } catch {
     // module "field" disabled or no field permissions: shell without clock/badge
-    return { clock: null, approvals: 0 };
+    return { clock: null, approvals: 0, lotseChat: false };
   }
 }
 
@@ -55,7 +57,7 @@ export default async function FieldShell({ children }: Readonly<{ children: Reac
       </header>
       <div className={cn("mx-auto w-full max-w-xl flex-1", time.clock ? "pb-48" : "pb-28")}>{children}</div>
       <RunningClockBar initial={time.clock} />
-      <BottomNav approvals={time.approvals} />
+      <BottomNav approvals={time.approvals} lotse={time.lotseChat} />
     </div>
   );
 }