Implemented Public API Documentation (OpenAPI / Swagger)

[akargi]

Closes: #22

Overview

This document summarizes the complete OpenAPI/Swagger documentation implementation for the BridgeWise public API, including all endpoints, error responses, examples, and adapter-specific annotations.

Implementation Status

✅ Complete - All acceptance criteria met

Acceptance Criteria Checklist

• ✅ Complete OpenAPI/Swagger documentation
• ✅ Example responses and errors included
• ✅ Adapter-specific annotations documented

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What Was Implemented

1. Swagger/OpenAPI Integration

Files Modified:

• package.json - Added @nestjs/swagger and swagger-ui-express dependencies
• src/main.ts - Initialized SwaggerModule with complete OpenAPI configuration

Features:

• Full OpenAPI 3.0.0 specification
• Interactive Swagger UI at /api/docs
• Complete API metadata (title, description, version, contact, license)
• Server configuration for development and production
• API tag organization (Health, Transactions, Fee Estimation)

2. Endpoint Documentation

All API endpoints have been comprehensively documented:

[mijinummi]

LGTM! You did well...