Salva telemetria client (OS, app, device, operatore) sulle sessioni per il debug admin.

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

backend/db/migrate/20260826090000_add_client_telemetry_to_stream_sessions.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class AddClientTelemetryToStreamSessions < ActiveRecord::Migration[7.2]
+  def change
+    change_table :stream_sessions, bulk: true do |t|
+      t.string :client_os
+      t.string :app_version
+      t.string :app_build
+      t.string :device_manufacturer
+      t.string :device_model
+      t.string :os_version
+      t.string :carrier
+    end
+  end
+end