Aggiunge replay YouTube temporaneo, pull registrazioni dai CPX e snapshot ingest in admin.

Così overflow Hetzner e VOD YouTube restano in archivio dopo lo spegnimento del nodo, e la colonna ingest non si svuota.

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

backend/spec/services/sessions/create_capacity_spec.rb

@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe Sessions::Create, "capacity / autoscaler kick" do
+  def with_env(vars)
+    previous = vars.keys.index_with { |k| ENV[k] }
+    vars.each { |k, v| ENV[k] = v }
+    yield
+  ensure
+    previous.each { |k, v| v.nil? ? ENV.delete(k) : ENV[k] = v }
+  end
+
+  let(:redis) { Redis.new(url: ENV.fetch("REDIS_URL", "redis://redis:6379/0")) }
+  let(:user) { User.create!(email: "cap@example.com", name: "C", password: "Password123", role: "coach") }
+  let(:club) { Club.create!(name: "Cap Club", sport: "volleyball") }
+  let(:team) { club.teams.create!(name: "Cap Team", sport: "volleyball", slug: "cap-team") }
+  let(:match) { team.matches.create!(opponent_name: "Opp", scheduled_at: 1.hour.from_now) }
+
+  before do
+    redis.del(Streams::AutoscalerJob::KICK_DEBOUNCE_KEY)
+    Billing::AssignPlan.call(club: club, plan_slug: "premium_full")
+  end
+
+  it "kicks AutoscalerJob and raises stream_capacity_scaling when autoscaler is on" do
+    with_env("STREAM_AUTOSCALE_ENABLED" => "1") do
+      allow(Streams::NodeRegistry).to receive(:allocate!).and_raise(Streams::NodeRegistry::NoCapacityError, "full")
+      expect(Streams::AutoscalerJob).to receive(:kick!).and_return(true)
+
+      expect {
+        described_class.new(user: user, match: match, params: { platform: "matchlivetv" }).call
+      }.to raise_error(Teams::EntitlementError) { |e|
+        expect(e.code).to eq("stream_capacity_scaling")
+      }
+    end
+  end
+
+  it "raises stream_capacity_exhausted when autoscaler is off" do
+    with_env("STREAM_AUTOSCALE_ENABLED" => "0") do
+      allow(Streams::NodeRegistry).to receive(:allocate!).and_raise(Streams::NodeRegistry::NoCapacityError, "full")
+      expect(Streams::AutoscalerJob).not_to receive(:kick!)
+
+      expect {
+        described_class.new(user: user, match: match, params: { platform: "matchlivetv" }).call
+      }.to raise_error(Teams::EntitlementError) { |e|
+        expect(e.code).to eq("stream_capacity_exhausted")
+      }
+    end
+  end
+end