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/modules/expenses/services/ExpensesAPI.ts

@@ -8,7 +8,10 @@ import type {
   ExpenseEntryRequest,
   ExpenseEntry,
   AccountNode,
-  UserInfo
+  UserInfo,
+  AccountPermission,
+  GrantPermissionRequest,
+  TransactionListResponse
 } from '../types'
 import { appConfig } from '@/app.config'
 
@@ -302,4 +305,136 @@ export class ExpensesAPI extends BaseService {
       }
     }
   }
+
+  /**
+   * List all account permissions (admin only)
+   *
+   * @param adminKey - Admin key for authentication
+   */
+  async listPermissions(adminKey: string): Promise<AccountPermission[]> {
+    try {
+      const response = await fetch(`${this.baseUrl}/castle/api/v1/permissions`, {
+        method: 'GET',
+        headers: this.getHeaders(adminKey),
+        signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
+      })
+
+      if (!response.ok) {
+        throw new Error(`Failed to list permissions: ${response.statusText}`)
+      }
+
+      const permissions = await response.json()
+      return permissions as AccountPermission[]
+    } catch (error) {
+      console.error('[ExpensesAPI] Error listing permissions:', error)
+      throw error
+    }
+  }
+
+  /**
+   * Grant account permission to a user (admin only)
+   *
+   * @param adminKey - Admin key for authentication
+   * @param request - Permission grant request
+   */
+  async grantPermission(
+    adminKey: string,
+    request: GrantPermissionRequest
+  ): Promise<AccountPermission> {
+    try {
+      const response = await fetch(`${this.baseUrl}/castle/api/v1/permissions`, {
+        method: 'POST',
+        headers: this.getHeaders(adminKey),
+        body: JSON.stringify(request),
+        signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
+      })
+
+      if (!response.ok) {
+        const errorData = await response.json().catch(() => ({}))
+        const errorMessage =
+          errorData.detail || `Failed to grant permission: ${response.statusText}`
+        throw new Error(errorMessage)
+      }
+
+      const permission = await response.json()
+      return permission as AccountPermission
+    } catch (error) {
+      console.error('[ExpensesAPI] Error granting permission:', error)
+      throw error
+    }
+  }
+
+  /**
+   * Revoke account permission (admin only)
+   *
+   * @param adminKey - Admin key for authentication
+   * @param permissionId - ID of the permission to revoke
+   */
+  async revokePermission(adminKey: string, permissionId: string): Promise<void> {
+    try {
+      const response = await fetch(
+        `${this.baseUrl}/castle/api/v1/permissions/${permissionId}`,
+        {
+          method: 'DELETE',
+          headers: this.getHeaders(adminKey),
+          signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
+        }
+      )
+
+      if (!response.ok) {
+        const errorData = await response.json().catch(() => ({}))
+        const errorMessage =
+          errorData.detail || `Failed to revoke permission: ${response.statusText}`
+        throw new Error(errorMessage)
+      }
+    } catch (error) {
+      console.error('[ExpensesAPI] Error revoking permission:', error)
+      throw error
+    }
+  }
+
+  /**
+   * Get user's transactions from journal
+   *
+   * @param walletKey - Wallet key for authentication (invoice key)
+   * @param options - Query options for filtering and pagination
+   */
+  async getUserTransactions(
+    walletKey: string,
+    options?: {
+      limit?: number
+      offset?: number
+      days?: number // 5, 30, 60, or 90
+      filter_user_id?: string
+      filter_account_type?: string
+    }
+  ): Promise<TransactionListResponse> {
+    try {
+      const url = new URL(`${this.baseUrl}/castle/api/v1/entries/user`)
+
+      // Add query parameters
+      if (options?.limit) url.searchParams.set('limit', String(options.limit))
+      if (options?.offset) url.searchParams.set('offset', String(options.offset))
+      if (options?.days) url.searchParams.set('days', String(options.days))
+      if (options?.filter_user_id)
+        url.searchParams.set('filter_user_id', options.filter_user_id)
+      if (options?.filter_account_type)
+        url.searchParams.set('filter_account_type', options.filter_account_type)
+
+      const response = await fetch(url.toString(), {
+        method: 'GET',
+        headers: this.getHeaders(walletKey),
+        signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
+      })
+
+      if (!response.ok) {
+        throw new Error(`Failed to fetch transactions: ${response.statusText}`)
+      }
+
+      return await response.json()
+    } catch (error) {
+      console.error('[ExpensesAPI] Error fetching transactions:', error)
+      throw error
+    }
+  }
 }