feat: Add A-Z filter for clients/suppliers in Telegram bot

- Add A-Z alphabetical filter keyboard for clients and suppliers lists
  (same pattern as company selection, without emoji)
- Increase clients/suppliers list pagination from 10 to 20 items per page
- Remove emoji from company A-Z filter button for consistency
- Add 6 new callback handlers: clients_alpha_menu, clients_alpha:LETTER,
  clients_alpha_page:PAGE:LETTER, and supplier equivalents
- Dashboard service and models updates
- Telegram bot: email handlers, auth, DB operations, internal API improvements
- Frontend: dashboard cards updates (CashFlow, Clienti, Furnizori, Treasury)
- Frontend: SolduriCompactCard and CollapsibleCard improvements
- DashboardView enhancements
- start.sh and run-with-restart.sh script updates
- IIS web.config and service worker updates

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

index.html

@@ -8,8 +8,9 @@
   <!-- BUILD_TIMESTAMP placeholder for cache busting -->
   <meta name="build-time" content="BUILD_TIMESTAMP" />
   <!-- PWA Support -->
-  <link rel="manifest" href="/roa2web/manifest.json" />
+  <link rel="manifest" href="%BASE_URL%manifest.json" />
   <meta name="theme-color" content="#2563eb" />
+  <meta name="mobile-web-app-capable" content="yes" />
   <meta name="apple-mobile-web-app-capable" content="yes" />
   <meta name="apple-mobile-web-app-status-bar-style" content="default" />
   <meta name="apple-mobile-web-app-title" content="ROA2WEB" />
@@ -27,8 +28,25 @@
   <script>
     if ('serviceWorker' in navigator) {
       window.addEventListener('load', () => {
-        navigator.serviceWorker.register('/roa2web/sw.js')
-          .then(reg => console.log('[PWA] Service Worker registered:', reg.scope))
+        const swBase = document.querySelector('link[rel="manifest"]')
+            ?.getAttribute('href')?.replace('manifest.json', '') || '/';
+        navigator.serviceWorker.register(swBase + 'sw.js')
+          .then(reg => {
+            console.log('[PWA] Service Worker registered:', reg.scope);
+
+            // Auto-reload when a new SW takes control (picks up new deploy)
+            navigator.serviceWorker.addEventListener('controllerchange', () => {
+              console.log('[PWA] New Service Worker active - reloading for fresh version');
+              window.location.reload();
+            });
+
+            // Check for SW updates each time user returns to the tab (handles PWA on mobile)
+            document.addEventListener('visibilitychange', () => {
+              if (document.visibilityState === 'visible') {
+                reg.update();
+              }
+            });
+          })
           .catch(err => console.error('[PWA] Service Worker registration failed:', err));
       });
     }