Aggiunge traduzioni it/en/fr/de/es agli avvisi e toglie gli override Android/iOS.

Un avviso ha un testo per lingua; per differenziare le piattaforme si creano due avvisi. L'app riceve già il copy risolto da Accept-Language.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/spec/requests/api/v1/announcements_spec.rb

@@ -31,12 +31,10 @@ RSpec.describe "Api::V1::Announcements", type: :request do
     AppAnnouncement.create!(
       kind: "update",
       status: "published",
-      title: "Aggiorna",
+      title: "Aggiorna Android",
       body: "Versione nuova",
       show_on_android: true,
-      show_on_ios: false,
-      android_title: "Aggiorna Android",
-      android_action_url: "https://play.google.com/store/apps/details?id=com.matchlivetv.match_live_tv"
+      show_on_ios: false
     )
 
     get "/api/v1/announcements", params: { platform: "android" }
@@ -51,4 +49,29 @@ RSpec.describe "Api::V1::Announcements", type: :request do
     ios_body = JSON.parse(response.body)
     expect(ios_body.map { |row| row["title"] }).to eq(["Manutenzione stasera"])
   end
+
+  it "GET /api/v1/announcements localizza il testo da Accept-Language" do
+    AppAnnouncement.create!(
+      kind: "info",
+      status: "published",
+      title: "Manutenzione stasera",
+      body: "Dalle 23:00 il servizio sarà offline.",
+      show_on_android: true,
+      show_on_ios: true,
+      translations: {
+        "en" => { "title" => "Maintenance tonight", "body" => "The service will be offline from 23:00." }
+      }
+    )
+
+    get "/api/v1/announcements", params: { platform: "android" }, headers: { "Accept-Language" => "en-US,en;q=0.9" }
+
+    expect(response).to have_http_status(:ok)
+    payload = JSON.parse(response.body)
+    expect(payload.first["title"]).to eq("Maintenance tonight")
+    expect(payload.first["body"]).to include("offline")
+
+    get "/api/v1/announcements", params: { platform: "android" }, headers: { "Accept-Language" => "fr" }
+
+    expect(JSON.parse(response.body).first["title"]).to eq("Maintenance tonight")
+  end
 end