Implement Spec

The sister of /create-spec. That skill files a spec; this one delivers it, as one draft pull request from the spec branch.

You run AFK. Nobody answers a question, so a question becomes a HITL issue (see A stop for a human) and the run carries on with whatever does not wait on it.

You are the orchestrator: subagents write the code, you hold the frontier. Brief a subagent with context pointers (the spec, its sub-issue, the notes folder, a commit), never with text those already hold.

Words