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

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

backend/spec/services/sessions/apply_client_info_spec.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe Sessions::ApplyClientInfo do
+  let!(:user) { User.create!(email: "client-info@test.it", name: "U", password: "Password123", role: "coach") }
+  let!(:club) { Club.create!(name: "C", sport: "volleyball", primary_color: "#e53935", secondary_color: "#ffffff") }
+  let!(:team) { club.teams.create!(name: "T", sport: "volleyball") }
+  let!(:match) { team.matches.create!(opponent_name: "Opp", sport: "volleyball") }
+  let!(:session) { StreamSession.create!(match: match, user: user, platform: "matchlivetv", status: "idle") }
+
+  it "applica i campi client sulla sessione" do
+    described_class.call(session, {
+      os: "android",
+      app_version: "1.4.0",
+      app_build: "42",
+      device_manufacturer: "Samsung",
+      device_model: "SM-G991B",
+      os_version: "14",
+      carrier: "TIM"
+    })
+
+    session.reload
+    expect(session.client_os).to eq("android")
+    expect(session.app_version).to eq("1.4.0")
+    expect(session.app_build).to eq("42")
+    expect(session.device_manufacturer).to eq("Samsung")
+    expect(session.device_model).to eq("SM-G991B")
+    expect(session.os_version).to eq("14")
+    expect(session.carrier).to eq("TIM")
+  end
+
+  it "ignora os sconosciuti" do
+    described_class.call(session, { os: "windows" })
+    expect(session.reload.client_os).to be_nil
+  end
+
+  it "assegna senza salvare su record non persistito" do
+    draft = StreamSession.new(match: match, user: user, platform: "matchlivetv", status: "idle")
+    described_class.call(draft, { os: "ios", app_version: "2.0.0" })
+    expect(draft).not_to be_persisted
+    expect(draft.client_os).to eq("ios")
+    expect(draft.app_version).to eq("2.0.0")
+  end
+end