Working

src/server/trpc/routers/announcement.ts

@@ -0,0 +1,12 @@
+import { publicProcedure, router } from '~/server/trpc/trpc'
+
+export default router({
+  announcement: publicProcedure
+    .query(async ({ ctx }) => {
+      return await ctx.prisma.announcement.findFirst({
+        orderBy: {
+          createdAt: 'desc',
+        },
+      })
+    }),
+})

src/server/trpc/routers/index.ts

@@ -1,4 +1,5 @@
 import { z } from 'zod'
+import announcement from './announcement'
 import { publicProcedure, router } from '~/server/trpc/trpc'
 
 export const appRouter = router({
@@ -11,6 +12,7 @@ export const appRouter = router({
         greeting: `Hello ${input.name ?? 'World'}!`,
       }
     }),
+  announcement,
 })
 
 export type AppRouter = typeof appRouter