Aggiunge i tornei con hub, pagina pubblica e tabellone per semifinali e finali.

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

backend/app/views/public/tournament_pages/_tab_tabellone.html.erb

@@ -0,0 +1,60 @@
+<% visible_rounds = @rounds.select { |round| (@matches_by_round[round.id] || []).any? } %>
+
+<section class="team-public-section" id="tabellone" aria-labelledby="tournament-bracket-heading">
+  <h2 id="tournament-bracket-heading" class="section-heading visually-hidden"><%= t("tournaments.page.tabs.tabellone") %></h2>
+
+  <% @groups.each do |group| %>
+    <h3 class="tournament-board__day"><%= group.name %> — <%= t("tournaments.hub.standings") %></h3>
+    <div class="tournament-table-wrap">
+      <table class="data">
+        <thead>
+          <tr>
+            <th></th>
+            <th><%= t("tournaments.hub.played") %></th>
+            <th><%= t("tournaments.hub.won") %></th>
+            <th><%= t("tournaments.hub.lost") %></th>
+            <th><%= t("tournaments.hub.points") %></th>
+          </tr>
+        </thead>
+        <tbody>
+          <% @standings_by_group[group].each_with_index do |row, idx| %>
+            <tr>
+              <td><%= idx + 1 %>. <%= tournament_team_chip(row.participant) %></td>
+              <td><%= row.played %></td>
+              <td><%= row.won %></td>
+              <td><%= row.lost %></td>
+              <td><strong><%= row.points %></strong></td>
+            </tr>
+          <% end %>
+        </tbody>
+      </table>
+    </div>
+  <% end %>
+
+  <% visible_rounds.each do |round| %>
+    <h3 class="tournament-board__day"><%= round.name %></h3>
+    <div class="tournament-table-wrap">
+      <table class="data tournament-board">
+        <thead>
+          <tr>
+            <th><%= t("tournaments.hub.datetime") %></th>
+            <th><%= t("tournaments.hub.court") %></th>
+            <th><%= t("tournaments.hub.stream_plan_match") %></th>
+            <th><%= t("tournaments.page.score") %></th>
+            <th><%= t("tournaments.hub.stream_plan_live_col") %></th>
+            <th></th>
+          </tr>
+        </thead>
+        <tbody>
+          <% @matches_by_round[round.id].each do |match| %>
+            <%= render "public/tournament_pages/board_row", match: match %>
+          <% end %>
+        </tbody>
+      </table>
+    </div>
+  <% end %>
+
+  <% if @groups.none? && visible_rounds.none? %>
+    <p class="muted"><%= t("tournaments.page.bracket_empty") %></p>
+  <% end %>
+</section>