feat(content): add announcements and public news flows

packages/db/prisma/seed.ts

@@ -206,6 +206,23 @@ async function main() {
       dueAt: new Date(Date.now() + 14 * 24 * 60 * 60 * 1000),
     },
   })
+
+  await db.announcement.upsert({
+    where: {
+      id: "22222222-2222-2222-2222-222222222222",
+    },
+    update: {},
+    create: {
+      id: "22222222-2222-2222-2222-222222222222",
+      title: "Commission Slots",
+      message: "New commission slots are open for next month.",
+      placement: "global_top",
+      priority: 10,
+      ctaLabel: "Request now",
+      ctaHref: "/commissions",
+      isVisible: true,
+    },
+  })
 }
 
 main()