---
id: 01-subscription-first
epic: sandcastle-subscription-auth-v1
title: Subscription-first dispatch — mount ~/.claude, install claude CLI, docs
type: technical-story
status: in-progress
feature: tooling
depends-on: []
blocks: []
---

## Tasks

- [ ] Story scaffold
- [ ] Update .sandcastle/Dockerfile to install @anthropic-ai/claude-code CLI
- [ ] Update scripts/work/dispatch.mjs: resolveClaudeAuth helper + sandbox mount + fallback to API key
- [ ] Tests for resolveClaudeAuth
- [ ] Update runbook "Using Sandcastle" section: subscription is primary flow
- [ ] Update ADR-019: subscription auth as primary, API key as fallback
- [ ] Update .env.example + .sandcastle/.env.example: reframe ANTHROPIC_API_KEY as fallback
- [ ] Final verification + closeout