Design-and-decompose workflow that takes a PRD, researches the problem space, drafts a technical design document with a requirement-anchored testplan, decomposes work into Jira-ready epics and stories, and manages review via GitHub PRs. Use when creating design documents, researching external integrations or standards, breaking features into epics/stories, or syncing task breakdowns to Jira. Activated by commands: /ingest, /research, /draft, /decompose, /revise, /publish, /respond, /sync.