Implement UI components and quick wins

- Complete Dashboard page with statistics, recent activity, compliance status
- Complete Transactions page with form, validation, E&O uplift display
- Complete Treasury page with account management
- Complete Reports page with BCB report generation and export
- Add LoadingSpinner component
- Add ErrorBoundary component
- Add Toast notification system
- Add comprehensive input validation
- Add error handling utilities
- Add basic unit tests structure
- Fix XML exporter TypeScript errors
- All quick wins completed

packages/rules-engine/src/__tests__/threshold.test.ts

@@ -0,0 +1,46 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { evaluateThreshold } from '../threshold';
+import { setConfig, DEFAULT_CONFIG } from '../config';
+import type { Transaction } from '@brazil-swift-ops/types';
+
+describe('Threshold Evaluation', () => {
+  beforeEach(() => {
+    setConfig(DEFAULT_CONFIG);
+  });
+
+  it('should flag transactions >= USD 10,000 for reporting', () => {
+    const transaction: Transaction = {
+      id: 'TXN-1',
+      direction: 'outbound',
+      amount: 50000,
+      currency: 'USD',
+      orderingCustomer: { name: 'Test', country: 'BR' },
+      beneficiary: { name: 'Test', country: 'BR' },
+      status: 'pending',
+      createdAt: new Date(),
+      updatedAt: new Date(),
+    };
+
+    const result = evaluateThreshold(transaction);
+    expect(result.requiresReporting).toBe(true);
+    expect(result.usdEquivalent).toBeGreaterThanOrEqual(10000);
+  });
+
+  it('should not flag transactions < USD 10,000', () => {
+    const transaction: Transaction = {
+      id: 'TXN-2',
+      direction: 'outbound',
+      amount: 5000,
+      currency: 'USD',
+      orderingCustomer: { name: 'Test', country: 'BR' },
+      beneficiary: { name: 'Test', country: 'BR' },
+      status: 'pending',
+      createdAt: new Date(),
+      updatedAt: new Date(),
+    };
+
+    const result = evaluateThreshold(transaction);
+    expect(result.requiresReporting).toBe(false);
+    expect(result.usdEquivalent).toBeLessThan(10000);
+  });
+});