Permette titolo, testo e link diversi per Android e iOS negli avvisi.

Separa i canali app e mostra il nodo ingest nelle sessioni admin.

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

backend/db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2026_08_20_140000) do
+ActiveRecord::Schema[7.2].define(version: 2026_08_20_180000) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -55,7 +55,6 @@ ActiveRecord::Schema[7.2].define(version: 2026_08_20_140000) do
     t.string "kind", default: "info", null: false
     t.string "severity", default: "info", null: false
     t.string "status", default: "draft", null: false
-    t.boolean "show_on_app", default: true, null: false
     t.boolean "show_on_web_public", default: false, null: false
     t.boolean "show_on_web_private", default: false, null: false
     t.string "title", null: false
@@ -68,6 +67,16 @@ ActiveRecord::Schema[7.2].define(version: 2026_08_20_140000) do
     t.uuid "created_by_admin_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.boolean "show_on_android", default: true, null: false
+    t.boolean "show_on_ios", default: true, null: false
+    t.string "android_title"
+    t.text "android_body"
+    t.string "android_action_url"
+    t.string "android_action_label"
+    t.string "ios_title"
+    t.text "ios_body"
+    t.string "ios_action_url"
+    t.string "ios_action_label"
     t.index ["created_by_admin_id"], name: "index_app_announcements_on_created_by_admin_id"
     t.index ["status", "starts_at", "ends_at"], name: "index_app_announcements_on_status_and_starts_at_and_ends_at"
     t.index ["status"], name: "index_app_announcements_on_status"