doc-coauthoring

# Doc Co-Authoring Workflow This skill provides a structured workflow for guiding users through collaborative document creation. Act as an active guide, walking users through three stages: Context Gathering, Refinement & Structure, and Reader Testing. ## Runtime contract Use `references/RUNTIME-MATRIX.md` to decide what is available in the current environment before offering connectors, artifacts, or reader-test subagents. If no artifact-like surface is available, default to a normal markdown file in a user-specified path or an explicitly named working file. Do not assume artifacts are available. ## When to Offer This Workflow **Trigger conditions:** - User mentions writing documentation: "write a doc", "draft a proposal", "create a spec", "write up" - User mentions specific doc types: "PRD", "design doc", "decision doc", "RFC" - User seems to be starting a substantial writing task **Initial offer:** Offer the user a structured workflow for co-authoring the document. Explain the three stages: 1. **Context Gathering**: User provides all relevant context while Claude asks clarifying questions 2. **Refinement & Structure**: Iteratively build each section through brainstorming and editing 3. **Reader Testing**: Test the doc with a fresh Claude (no context) to catch blind spots before others read it Explain that this approach helps ensure the doc works well when others read it (including when they paste it into Claude). Ask if they want to try this workflow or prefer to w...