Complete remaining todos: integration tests, E2E tests, REST API, data visualization, database abstraction, monitoring

- Added comprehensive integration tests for all packages - Set up Playwright for E2E testing - Created REST API with Express - Added data visualization components (Bar, Line, Pie charts) - Created database abstraction layer - Added health check and monitoring endpoints - Created API documentation
2026-01-23 16:46:12 -08:00
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+# API Documentation
+
+## Base URL
+
+```
+http://localhost:3000/api/v1
+```
+
+## Authentication
+
+Currently, authentication is not implemented. In production, use OAuth2/JWT tokens.
+
+## Endpoints
+
+### Health Checks
+
+#### GET /health
+
+Get comprehensive health status.
+
+**Response:**
+```json
+{
+  "status": "healthy",
+  "timestamp": "2026-01-23T10:00:00.000Z",
+  "version": "1.0.0",
+  "services": {
+    "database": "up",
+    "fxRates": "up",
+    "rulesEngine": "up"
+  },
+  "metrics": {
+    "uptime": 3600,
+    "memoryUsage": { ... }
+  }
+}
+```
+
+#### GET /health/ready
+
+Readiness check - is the service ready to accept traffic?
+
+**Response:**
+```json
+{
+  "ready": true,
+  "timestamp": "2026-01-23T10:00:00.000Z"
+}
+```
+
+#### GET /health/live
+
+Liveness check - is the service alive?
+
+**Response:**
+```json
+{
+  "alive": true,
+  "timestamp": "2026-01-23T10:00:00.000Z"
+}
+```
+
+### Transactions
+
+#### POST /transactions/evaluate
+
+Evaluate a transaction against regulatory rules.
+
+**Request Body:**
+```json
+{
+  "id": "TXN-123",
+  "direction": "outbound",
+  "amount": 15000,
+  "currency": "USD",
+  "orderingCustomer": {
+    "name": "Test Company",
+    "taxId": "11222333000181",
+    "country": "BR"
+  },
+  "beneficiary": {
+    "name": "John Doe",
+    "taxId": "12345678909",
+    "country": "BR",
+    "accountNumber": "12345-6"
+  },
+  "purposeOfPayment": "Payment for services"
+}
+```
+
+**Response:**
+```json
+{
+  "success": true,
+  "data": {
+    "transactionId": "TXN-123",
+    "timestamp": "2026-01-23T10:00:00.000Z",
+    "ruleSetVersion": "1.0.0",
+    "overallDecision": "Allow",
+    "overallSeverity": "Info",
+    "thresholdCheck": {
+      "usdEquivalent": 15000,
+      "requiresReporting": true
+    },
+    "documentationCheck": {
+      "passed": true,
+      "errors": []
+    },
+    "rules": []
+  }
+}
+```
+
+#### GET /transactions/:id
+
+Get transaction by ID.
+
+**Status:** Not implemented (requires database)
+
+#### GET /transactions
+
+List transactions with pagination.
+
+**Status:** Not implemented (requires database)
+
+## Error Responses
+
+All errors follow this format:
+
+```json
+{
+  "success": false,
+  "error": "Error message"
+}
+```
+
+**Status Codes:**
+- `200` - Success
+- `400` - Bad Request
+- `404` - Not Found
+- `500` - Internal Server Error
+- `501` - Not Implemented
+- `503` - Service Unavailable
+
+## Rate Limiting
+
+Rate limiting is not currently implemented. In production, implement rate limiting to prevent abuse.
+
+## CORS
+
+CORS is enabled for all origins in development. In production, configure allowed origins.