v0.1.0

First production release on the release-driven deploy pipeline (genfeed mirror):
api → Docker on EC2 (in the RDS VPC, over Tailscale + SSM), web/app/docs → Vercel.

• feat(deploy): release-driven production pipeline (api→EC2, web/app/docs→Vercel)
• ci(deploy): relay-tolerant Tailscale host preflight (#235)
• feat(cli): ssg new game-repo scaffolder (#229)
• feat(assetgen): outline-tint postprocess pass (#230)
• feat(assetgen): sprite frame-set geometry checker (#232)
• refactor(web): extract home page into section components (#231)
• feat(web): migrate Vercel Analytics → PostHog (analytics + feature flags) (#233)