feat(warteliste): Nachfrage/Warteliste für Interessenten

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

gerbil-manager-web/e2e/mock-data.ts

@@ -78,6 +78,8 @@ export interface MockDb {
   namesConfigured: boolean
   // FEEDBACK: "Fehler melden" — gesammelte Berichte (POST /feedback)
   feedback: Record<string, unknown>[]
+  // WAITLIST: Warteliste/Nachfrage (RennmausPro nachfrage_tb)
+  waitingList: Record<string, unknown>[]
 }
 
 function gerbil(
@@ -376,5 +378,29 @@ export function seedDb(): MockDb {
     saleAdConfigured: true,
     namesConfigured: true,
     feedback: [],
+    waitingList: [
+      {
+        id: 'wl-seed-1',
+        contactId: contacts[0]?.id ?? null,
+        contactName: contacts[0]?.name ?? 'Familie Sonntag',
+        wishColor: 'Schwarz',
+        wishGender: 'female',
+        requestedAt: '2026-05-01T00:00:00Z',
+        status: 'offen',
+        note: 'möchte zwei Weibchen',
+        createdAt: '2026-05-01T00:00:00Z',
+      },
+      {
+        id: 'wl-seed-2',
+        contactId: null,
+        contactName: 'Herr Maier',
+        wishColor: null,
+        wishGender: 'male',
+        requestedAt: '2026-04-10T00:00:00Z',
+        status: 'erfuellt',
+        note: null,
+        createdAt: '2026-04-10T00:00:00Z',
+      },
+    ],
   }
 }