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>

src/modules/reports/components/dashboard/cards/CashFlowMetricCard.vue

@@ -139,12 +139,11 @@ const toggleChartsExpanded = () => {
   chartsExpanded.value = !chartsExpanded.value;
 };
 
-// Format currency
+// Format amount (without RON suffix)
 const formatCurrency = (amount) => {
-  if (!amount && amount !== 0) return "0 RON";
+  if (!amount && amount !== 0) return "0";
   return new Intl.NumberFormat("ro-RO", {
-    style: "currency",
-    currency: "RON",
+    style: "decimal",
     minimumFractionDigits: 0,
     maximumFractionDigits: 0,
   }).format(Math.abs(amount));
@@ -303,8 +302,7 @@ const initializeInflowsChart = async () => {
               const value = context.parsed.y;
               const label = context.dataset.label || "";
               const formattedValue = new Intl.NumberFormat("ro-RO", {
-                style: "currency",
-                currency: "RON",
+                style: "decimal",
                 minimumFractionDigits: 0,
                 maximumFractionDigits: 0,
               }).format(value);
@@ -513,8 +511,7 @@ const initializeOutflowsChart = async () => {
               const value = context.parsed.y;
               const label = context.dataset.label || "";
               const formattedValue = new Intl.NumberFormat("ro-RO", {
-                style: "currency",
-                currency: "RON",
+                style: "decimal",
                 minimumFractionDigits: 0,
                 maximumFractionDigits: 0,
               }).format(value);
@@ -618,6 +615,18 @@ onBeforeUnmount(() => {
   min-height: 420px;
 }
 
+/* Metric label and value typography */
+.metric-label {
+  font-size: var(--text-sm);
+  color: var(--text-color-secondary);
+}
+
+.metric-value {
+  font-size: var(--text-sm);
+  font-weight: var(--font-bold);
+  font-family: var(--font-mono, monospace);
+}
+
 /* Split layout: Încasări | Divider | Plăți */
 .values-section {
   display: grid;