Fix avanzamento quarto basket e regia senza cronometro.

Normalizza il periodo nel backend quando l'app invia "Q1" via cable, così advance_period aggiorna regia e overlay; rimuove i controlli cronometro dalla regia e rende più tollerante il decode iOS al resume sessione.

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

backend/spec/services/scoring/period_data_spec.rb

@@ -0,0 +1,66 @@
+require "rails_helper"
+
+RSpec.describe Scoring::PeriodData do
+  describe ".number_from" do
+    it "legge interi e etichette basket/timed" do
+      expect(described_class.number_from(2)).to eq(2)
+      expect(described_class.number_from("Q3")).to eq(3)
+      expect(described_class.number_from("2° tempo")).to eq(2)
+      expect(described_class.number_from("Q1")).to eq(1)
+      expect(described_class.number_from("")).to be_nil
+    end
+  end
+end
+
+RSpec.describe "Basket advance_period con periodo corrotto" do
+  let!(:user) { User.create!(email: "period@test.it", name: "U", password: "password123", role: "coach") }
+  let!(:club) { Club.create!(name: "C", sport: "basket", primary_color: "#e53935", secondary_color: "#ffffff") }
+  let!(:team) { club.teams.create!(name: "U13", sport_key: "basket") }
+  let!(:match) { team.matches.create!(opponent_name: "Opp", sport: "basket") }
+  let!(:session) { StreamSession.create!(match: match, user: user, platform: "matchlivetv", status: "live") }
+
+  it "avanza il quarto anche se data.period è la stringa Q1 (sync app mobile)" do
+    session.create_score_state!(
+      board_type: "basket",
+      home_points: 0,
+      away_points: 4,
+      data: {
+        "period" => "Q1",
+        "home_score" => 0,
+        "away_score" => 4,
+        "clock_secs" => 600,
+        "clock_running" => false,
+        "overtime" => false
+      }
+    )
+
+    Scoring::ApplyAction.new(session: session, action: "advance_period").call
+    score = session.score_state.reload
+
+    expect(score.data["period"]).to eq(2)
+    expect(score.current_period_label).to eq("Q2")
+    expect(score.as_cable_payload[:period]).to eq("Q2")
+  end
+
+  it "normalizza period in sync Action Cable" do
+    session.create_score_state!(
+      board_type: "basket",
+      data: { "period" => 1, "home_score" => 0, "away_score" => 0 }
+    )
+
+    Scoring::SyncState.new(
+      session: session,
+      payload: {
+        "type" => "score_update",
+        "board_type" => "basket",
+        "period" => "Q1",
+        "home_score" => 2,
+        "away_score" => 1
+      }
+    ).call
+
+    score = session.score_state.reload
+    expect(score.data["period"]).to eq(1)
+    expect(score.data["home_score"]).to eq(2)
+  end
+end