# API Contracts

> Defines the contract between frontend and backend.

## Base URL

`[To be defined]`

## Authentication

[Auth header format]

## Endpoints

### Template

```
METHOD /api/v1/resource
Auth: Required | Optional | None
Request Body: { ... }
Response 200: { ... }
Response 400: { error: "..." }
```

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[Endpoints will be registered here as they are built]