Reference for writing any document an agent consumes: a skill, an / , a doc reached by a pointer. The packaging differs; the writing does not: the same levers make each one predictable, since the agent takes the same process every run rather than producing the same output. When the document you're writing is a skill, read for frontmatter, invocation choice, and router skills. Context pointers A context pointer is a reference held in the agent's context that names some out-of-context material and encodes the condition for reaching it. A skill's description is one; a line in naming a doc is the…