/sdd.new

Deprecated

This command has been replaced by /sdd.spec. /sdd.spec automatically determines whether you're writing a new feature or modifying an existing spec, and guides you to the appropriate workflow.

Write specifications for a new feature with AI assistance.

Usage

/sdd.new [feature description]

Arguments

Argument	Description
feature description	Description of the feature to implement

Behavior

The AI writes the specification through conversation:

1. Understand feature purpose
2. Derive requirements
3. Write scenarios
4. Apply RFC 2119 keywords

Generated File

.sdd/specs/<feature-id>/spec.md

Example

/sdd.new user authentication feature

AI: I'll write the specification for the user authentication feature.
    I have a few questions:

    1. What authentication method will you use? (JWT, session, OAuth)
    2. Do you need social login?
    3. What is your password policy?

Generated spec.md

---
id: user-auth
title: "User Authentication"
status: draft
created: 2025-12-24
constitution_version: 1.0.0
---

# User Authentication

> JWT-based user authentication system

## Requirements

### REQ-01: Login

- The system SHALL support email/password login
- The system SHOULD return an error message on login failure

## Scenarios

### Scenario 1: Successful Login

- **GIVEN** a valid user account exists
- **WHEN** logging in with correct email and password
- **THEN** a JWT token is returned
- **AND** a token expiration time is set

Next Steps

After writing the spec:

/sdd.plan  -> Create implementation plan