/generate-api-docs

Generate API documentation for endpoints

## Context

- API routes: !`find . -path "*/routes/*" -name "*.js" -o -path "*/api/*" -name "*.js" | head -20`
- Current API files: @$ARGUMENTS

## Your task

Generate comprehensive API documentation including:

1. **Endpoint Overview**: Method, URL, purpose
2. **Parameters**: Query params, path params, request body
3. **Request Examples**: Sample requests with curl
4. **Response Examples**: Success and error responses
5. **Status Codes**: All possible HTTP status codes
6. **Authentication**: Required auth if applicable

Format as clear, readable documentation that can be used by other deve...