Complete final todos: frontend optimization, user docs, compliance docs

- Added code splitting and memoization for frontend
- Created comprehensive user guide
- Created compliance documentation
- All remaining implementable todos completed
This commit is contained in:
defiQUG
2026-01-23 16:47:02 -08:00
parent 95380cc6b7
commit 880443280c
5 changed files with 399 additions and 3 deletions

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import React from 'react';
import React, { useMemo } from 'react';
export default function DashboardPage() {
return (

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import React, { useState } from 'react';
import React, { useState, useMemo, useCallback } from 'react';
import { useTransactionStore } from '../stores/transactionStore';
import type { Transaction } from '@brazil-swift-ops/types';
import { calculateTransactionEOUplift, getDefaultConverter } from '@brazil-swift-ops/utils';
@@ -172,7 +172,7 @@ export default function TransactionsPage() {
} finally {
setIsProcessing(false);
}
};
}, [formData, addTransaction, converter]);
return (
<div className="px-4 py-6 sm:px-0">

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apps/web/vite.config.ts Normal file
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import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import path from 'path';
export default defineConfig({
plugins: [react()],
resolve: {
alias: {
'@': path.resolve(__dirname, './src'),
},
},
build: {
rollupOptions: {
output: {
manualChunks: {
'react-vendor': ['react', 'react-dom', 'react-router-dom'],
'utils-vendor': ['zustand'],
},
},
},
chunkSizeWarningLimit: 1000,
},
optimizeDeps: {
include: ['react', 'react-dom', 'react-router-dom'],
},
});

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# Compliance Documentation
## Regulatory Framework
The Brazil SWIFT Operations Platform complies with Brazilian banking and foreign exchange regulations, including:
- **Lei nº 14.286** (New Foreign Exchange Law, effective Dec 2022)
- **Banco Central do Brasil (BCB)** regulations
- **Conselho Monetário Nacional (CMN)** policies
- **FATF** AML standards
## Key Compliance Requirements
### 1. USD 10,000 Reporting Threshold
**Requirement:** All international transfers ≥ USD 10,000 (or equivalent) must be reported to Banco Central do Brasil.
**Implementation:**
- Automatic detection of transactions meeting threshold
- BCB report generation
- Immutable audit logging
- 7-year retention period
**Per-Transaction Basis:**
- Threshold applies to **each individual transaction**
- Multiple smaller transactions are monitored for structuring patterns
### 2. Tax ID Validation (CPF/CNPJ)
**Requirement:** All parties must have valid Brazilian tax identification.
**CPF (Individuals):**
- 11 digits
- Valid checksum validation
- Required for individuals
**CNPJ (Companies):**
- 14 digits
- Valid checksum validation
- Required for legal entities
**Implementation:**
- Automatic validation on transaction submission
- Rejection of invalid Tax IDs
- Audit logging of validation results
### 3. Purpose of Payment
**Requirement:** All transactions must include a clear purpose of payment.
**Implementation:**
- Mandatory field validation
- Minimum length requirements
- Maximum length enforcement (140 characters for SWIFT)
- Audit trail
### 4. IOF Tax Calculation
**Requirement:** IOF (Imposto sobre Operações Financeiras) must be calculated and collected.
**Rates:**
- **Inbound**: 0.38% (0.0038)
- **Outbound**: 3.5% (0.035)
**Implementation:**
- Automatic calculation based on transaction direction
- Display in transaction details
- Inclusion in BCB reports
### 5. FX Contract Linkage
**Requirement:** Foreign exchange transactions must be linked to registered FX contracts.
**Implementation:**
- FX contract validation
- Contract amount reconciliation
- Contract lifecycle tracking
- Audit trail
### 6. AML Structuring Detection
**Requirement:** Detect and report potential structuring (breaking large transactions into smaller ones to avoid reporting).
**Implementation:**
- 30-day rolling window analysis
- Pattern detection across same parties
- Automatic flagging for review
- Escalation workflow
## BCB Reporting
### Report Types
1. **Periodic Reports**: Regular reporting for transactions meeting threshold
2. **Ad-hoc Reports**: On-demand reporting for specific periods
3. **Compliance Reports**: Regulatory compliance summaries
### Report Contents
- Transaction details
- Party information (with Tax IDs)
- Amounts and currencies
- Purpose of payment
- FX contract references
- IOF calculations
- Compliance flags
### Report Retention
- **Retention Period**: 7 years (2555 days)
- **Format**: JSON and CSV export
- **Audit Trail**: Immutable logging of all reports
## Audit Trail
### Audit Logging
All transactions generate immutable audit logs containing:
- Transaction ID
- Timestamp
- Rule set version
- Input data
- Evaluation results
- Decision and rationale
- User ID (if authenticated)
- IP address (if available)
### Audit Retention
- **Default**: 7 years
- **Configurable**: Via environment variable `AUDIT_RETENTION_DAYS`
- **Auto-deletion**: Configurable via `AUDIT_AUTO_DELETE`
### Audit Access
- Read-only access to audit logs
- Search by transaction ID
- Date range filtering
- Export capabilities
## Rule Version Governance
### Version Management
- Rule set versions tracked in audit logs
- Version changes require approval
- Migration scripts for version upgrades
- Compatibility checking
### Version Format
- Semantic versioning (MAJOR.MINOR.PATCH)
- Example: `1.0.0`
- Stored in `package.json` as source of truth
## Data Retention
### Transaction Data
- **Retention**: 7 years (configurable)
- **Archival**: After retention period
- **Deletion**: Per retention policy
### Audit Logs
- **Retention**: 7 years (configurable)
- **Immutable**: Cannot be modified
- **Deletion**: Only per retention policy
### Reports
- **Retention**: 7 years
- **Export**: Available for download
- **Archival**: Automatic after retention
## Compliance Checklist
Before processing transactions, ensure:
- [ ] USD 10,000 threshold monitoring enabled
- [ ] CPF/CNPJ validation active
- [ ] Purpose of payment required
- [ ] IOF rates configured correctly
- [ ] FX contract validation enabled
- [ ] AML structuring detection active
- [ ] Audit logging enabled
- [ ] BCB reporting configured
- [ ] Retention policies set
## Regulatory Contacts
- **Banco Central do Brasil**: https://www.bcb.gov.br
- **CMN**: https://www.bcb.gov.br/estabilidadefinanceira/cmn
## Compliance Updates
This documentation is updated as regulations change. Always refer to the latest version and consult with compliance officers for specific questions.
**Last Updated:** 2026-01-23

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# User Guide
## Overview
The Brazil SWIFT Operations Platform is a comprehensive system for processing SWIFT international payments and foreign exchange transactions in compliance with Brazilian regulations.
## Getting Started
### Accessing the Application
1. Open your web browser
2. Navigate to the application URL (provided by your administrator)
3. Log in with your credentials
### Navigation
The application has four main sections:
- **Dashboard**: Overview of transactions, statistics, and compliance status
- **Transactions**: Create and manage transactions
- **Treasury**: Manage treasury accounts and subledgers
- **Reports**: Generate BCB reports and export data
## Transactions
### Creating a Transaction
1. Navigate to the **Transactions** page
2. Fill in the transaction form:
- **Direction**: Select Inbound or Outbound
- **Amount**: Enter the transaction amount
- **Currency**: Select the currency (USD, BRL, EUR, GBP)
- **Ordering Customer**: Enter customer name and Tax ID (CPF/CNPJ)
- **Beneficiary**: Enter beneficiary name, Tax ID, and account details
- **Purpose of Payment**: Enter a clear description
- **FX Contract ID**: (Optional) Link to FX contract
3. Click **Submit Transaction**
### Transaction Validation
The system automatically validates:
- Transaction amount and currency
- CPF/CNPJ format
- Required fields
- Purpose of payment
### Transaction Status
After submission, each transaction is evaluated against regulatory rules:
- **Allow**: Transaction approved, can proceed
- **Hold**: Transaction requires review
- **Escalate**: Transaction requires senior approval
### E&O Uplift
All transactions include a 10% Errors & Omissions (E&O) uplift, displayed in the transaction table. This is an off-balance-sheet exposure buffer.
## Treasury Management
### Treasury Accounts
Treasury accounts are parent accounts that hold funds.
**Creating a Treasury Account:**
1. Navigate to **Treasury** page
2. Click **Create Treasury Account**
3. Enter:
- Account Number
- Account Name
- Currency
4. Click **Create**
### Subledger Accounts
Subledger accounts are child accounts linked to a treasury account.
**Creating a Subledger:**
1. Navigate to **Treasury** page
2. Click **Create Subledger**
3. Select parent treasury account
4. Enter account details
5. Click **Create**
### Viewing Account Details
Click on any account to view:
- Account balance
- Available balance
- Account status
- Transaction history
## Reports
### Generating BCB Reports
1. Navigate to **Reports** page
2. Select date range:
- Start Date
- End Date
3. Click **Generate Report**
### Report Summary
The report shows:
- Total transactions
- Total amount (USD)
- Inbound/Outbound breakdown
- Reporting required count
- Total IOF
### Exporting Reports
- **Export JSON**: Download report as JSON file
- **Export CSV**: Download report as CSV file
## Compliance
### USD 10,000 Threshold
Transactions ≥ USD 10,000 (or equivalent) automatically require:
- BCB reporting
- Enhanced documentation
- Compliance review
### Required Documentation
All transactions must include:
- Ordering customer Tax ID (CPF for individuals, CNPJ for companies)
- Beneficiary Tax ID
- Purpose of payment
- Account details
### AML Checks
The system automatically checks for:
- Structuring patterns (multiple transactions just under threshold)
- Suspicious activity patterns
- Compliance with Brazilian AML regulations
## Troubleshooting
### Transaction Rejected
If a transaction is rejected:
1. Check validation errors in the form
2. Verify all required fields are filled
3. Ensure Tax IDs are valid CPF/CNPJ format
4. Check that purpose of payment is provided
### Report Generation Failed
If report generation fails:
1. Verify date range is valid
2. Ensure transactions exist in the date range
3. Contact support if issue persists
### Account Balance Issues
If account balances appear incorrect:
1. Check transaction history
2. Verify postings are correct
3. Contact treasury administrator
## Support
For assistance:
- Contact your system administrator
- Refer to the Developer Guide for technical details
- Check the Compliance Documentation for regulatory questions