fix(saltacoda): separate route throttles by flow

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

routes/web.php

   Route::post('avvisami-quando-il-piatto-e-pronto', [RigaOrdineNotificaController::class, 'salva_fcm_token'])->name('riga-ordine-notifica.salva-fcm-token');
   
   // Saltacoda
-  Route::get('saltacoda/show/{slug}', [SaltacodaController::class, 'show'])->middleware('throttle:5,1')->name('cliente.saltacoda.show');
-  Route::post('saltacoda/pre-ordine/salva', [SaltacodaController::class, 'pre_ordine_salva'])->middleware('throttle:5,1')->name('saltacoda.pre-ordine.salva');
-  Route::get('saltacoda/pre-ordine/show', [SaltacodaController::class, 'pre_ordine_show'])->middleware('throttle:5,1')->name('saltacoda.pre-ordine.show');
+  Route::get('saltacoda/show/{slug}', [SaltacodaController::class, 'show'])->middleware('throttle:30,1,saltacoda-show')->name('cliente.saltacoda.show');
+  Route::post('saltacoda/pre-ordine/salva', [SaltacodaController::class, 'pre_ordine_salva'])->middleware('throttle:10,1,saltacoda-salva')->name('saltacoda.pre-ordine.salva');
+  Route::get('saltacoda/pre-ordine/show', [SaltacodaController::class, 'pre_ordine_show'])->middleware('throttle:20,1,saltacoda-ricevuta')->name('saltacoda.pre-ordine.show');
 
   // Tombola (pubblico, per QR)
   Route::get('tombola/{attivita_id}/estratti', [TombolaController::class, 'estratti'])->middleware('throttle:2,1')->name('cliente.tombola.estratti');