Add transactions page with fuzzy search and success dialog for expenses

Features:
- Created TransactionsPage with mobile-optimized layout
  - Card-based transaction items with status indicators
  - Fuzzy search by description, payee, reference, username, and tags
  - Day filter options (5, 30, 60, 90 days)
  - Pagination support
  - Responsive design for mobile and desktop
- Added getUserTransactions API method to ExpensesAPI
  - Supports filtering by days, user ID, and account type
  - Returns paginated transaction data
- Updated AddExpense component with success confirmation
  - Shows success message in same dialog after submission
  - Provides option to navigate to transactions page
  - Clean single-dialog approach
- Added "My Transactions" link to navbar menu
- Added Transaction and TransactionListResponse types
- Added permission management types and API methods (grantPermission, listPermissions, revokePermission)
- Installed alert-dialog component for UI consistency

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

src/composables/useModularNavigation.ts

@@ -61,30 +61,40 @@ export function useModularNavigation() {
 
     // Events module items
     if (appConfig.modules.events.enabled) {
-      items.push({ 
-        name: 'My Tickets', 
-        href: '/my-tickets', 
+      items.push({
+        name: 'My Tickets',
+        href: '/my-tickets',
         icon: 'Ticket',
-        requiresAuth: true 
+        requiresAuth: true
       })
     }
 
-    // Market module items  
+    // Market module items
     if (appConfig.modules.market.enabled) {
-      items.push({ 
-        name: 'Market Dashboard', 
-        href: '/market-dashboard', 
+      items.push({
+        name: 'Market Dashboard',
+        href: '/market-dashboard',
         icon: 'Store',
-        requiresAuth: true 
+        requiresAuth: true
+      })
+    }
+
+    // Expenses module items
+    if (appConfig.modules.expenses.enabled) {
+      items.push({
+        name: 'My Transactions',
+        href: '/expenses/transactions',
+        icon: 'Receipt',
+        requiresAuth: true
       })
     }
 
     // Base module items (always available)
-    items.push({ 
-      name: 'Relay Hub Status', 
-      href: '/relay-hub-status', 
+    items.push({
+      name: 'Relay Hub Status',
+      href: '/relay-hub-status',
       icon: 'Activity',
-      requiresAuth: true 
+      requiresAuth: true
     })
 
     return items