feat(announcements): add locale audience targeting and published-home news

packages/db/prisma/migrations/20260213014500_announcement_locale_targeting/migration.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "Announcement"
+ADD COLUMN "targetLocales" TEXT[] NOT NULL DEFAULT ARRAY[]::TEXT[];

packages/db/prisma/schema.prisma

@@ -405,6 +405,7 @@ model Announcement {
   title     String
   message   String
   placement String
+  targetLocales String[] @default([])
   priority  Int      @default(100)
   ctaLabel  String?
   ctaHref   String?

packages/db/src/announcements.test.ts

@@ -41,13 +41,18 @@ describe("announcements service", () => {
   it("queries only visible announcements in the given placement", async () => {
     mockDb.announcement.findMany.mockResolvedValue([])
 
-    await listActiveAnnouncements("homepage")
+    await listActiveAnnouncements("homepage", new Date("2026-02-12T10:00:00.000Z"), "en")
 
     expect(mockDb.announcement.findMany).toHaveBeenCalledTimes(1)
     expect(mockDb.announcement.findMany.mock.calls[0]?.[0]).toMatchObject({
       where: {
         placement: "homepage",
         isVisible: true,
+        AND: [
+          {
+            OR: [{ targetLocales: { isEmpty: true } }, { targetLocales: { has: "en" } }],
+          },
+        ],
       },
     })
   })

packages/db/src/announcements.ts

@@ -13,6 +13,7 @@ export type PublicAnnouncement = {
   ctaLabel: string | null
   ctaHref: string | null
   placement: string
+  targetLocales: string[]
   priority: number
 }
 
@@ -50,13 +51,26 @@ export async function deleteAnnouncement(id: string) {
 export async function listActiveAnnouncements(
   placement: AnnouncementPlacement,
   now = new Date(),
+  locale?: string,
 ): Promise<PublicAnnouncement[]> {
+  const localeFilter =
+    locale && locale.length > 0
+      ? {
+          AND: [
+            {
+              OR: [{ targetLocales: { isEmpty: true } }, { targetLocales: { has: locale } }],
+            },
+          ],
+        }
+      : undefined
+
   const announcements = await db.announcement.findMany({
     where: {
       placement,
       isVisible: true,
       OR: [{ startsAt: null }, { startsAt: { lte: now } }],
       AND: [{ OR: [{ endsAt: null }, { endsAt: { gte: now } }] }],
+      ...(localeFilter ?? {}),
     },
     orderBy: [{ priority: "asc" }, { createdAt: "desc" }],
     select: {
@@ -66,6 +80,7 @@ export async function listActiveAnnouncements(
       ctaLabel: true,
       ctaHref: true,
       placement: true,
+      targetLocales: true,
       priority: true,
     },
   })