Fix 500 in cancellazione partita con recording collegato.

Distruggendo la sessione ora si elimina anche il recording, evitando la violazione FK su recordings.

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

backend/app/models/stream_session.rb

@@ -15,7 +15,7 @@ class StreamSession < ApplicationRecord
   has_many :attempted_concurrency_violations, class_name: "StreamConcurrencyViolation",
            foreign_key: :attempted_session_id, dependent: :nullify, inverse_of: :attempted_session
   has_one :score_state, dependent: :destroy
-  has_one :recording
+  has_one :recording, dependent: :destroy
   has_many :device_states, dependent: :destroy
 
   validates :platform, inclusion: { in: PLATFORMS }

backend/spec/requests/public/match_destroy_spec.rb

@@ -0,0 +1,37 @@
+require "rails_helper"
+
+RSpec.describe "Public match destroy with recording", type: :request do
+  let!(:user) { User.create!(email: "match-del@test.it", name: "Del", password: "Password123", role: "coach") }
+  let!(:club) { Club.create!(name: "Del Club", sport: "pallavolo", primary_color: "#e53935", secondary_color: "#ffffff") }
+  let!(:team) { club.teams.create!(name: "U14", sport: "pallavolo") }
+  let!(:match) { team.matches.create!(opponent_name: "Rival", sport: "pallavolo") }
+  let!(:session) do
+    StreamSession.create!(match: match, user: user, platform: "matchlivetv", status: "ended", ended_at: 1.hour.ago)
+  end
+  let!(:recording) do
+    Recording.create!(
+      stream_session: session,
+      team: team,
+      status: "ready",
+      storage_backend: "local",
+      storage_policy: "retained",
+      privacy_status: "unlisted"
+    )
+  end
+
+  before do
+    ClubMembership.create!(user: user, club: club, role: "owner")
+    UserTeam.create!(user: user, team: team, role: "member", staff_kind: "transmission")
+    post public_login_path, params: { email: user.email, password: "Password123" }
+  end
+
+  it "cancella la partita anche se esiste un recording collegato alla sessione" do
+    expect do
+      delete public_team_match_path(team, match)
+    end.to change(Match, :count).by(-1)
+      .and change(StreamSession, :count).by(-1)
+      .and change(Recording, :count).by(-1)
+
+    expect(response).to redirect_to(public_team_matches_path(team))
+  end
+end