Workflow Creation Skill: Create a new Stencila workflow. Use when asked to create, write, scaffold, or set up a workflow directory or WORKFLOW.md file. Covers workflow discovery, duplicate-name checks, ephemeral workflows, WORKFLOW.md frontmatter, DOT pipeline authoring, goals, agents, branching, composition, and validation.

Workflow Review Skill: Critically review a Stencila workflow and suggest improvements. Use when asked to review, audit, critique, evaluate, or improve a workflow directory or WORKFLOW.md file. Covers frontmatter validation, DOT pipeline quality, workflow structure, agent selection quality, discovery metadata, ephemeral workflow conventions, workflow composition, and adherence to Stencila workflow patterns.