Manage skills

`/ivar-deliver` previews and applies delivery for a feature: it pushes branches and creates or updates pull requests.

Create a scheduled ivar agent when the user asks for one, and suggest one when you notice a repetitive task or something the user keeps monitoring by hand

`ivar-execute` executes an approved feature plan wave by wave. It acts strictly as a coordinator: it dispatches implementation to subagents, runs lightweight validation at wave checkpoints, records progress and deferred validation failures in the run receipt with `ivar feature execute checkpoint`, b

Use this when one feature — in one repo or several — breaks into slices that can be built in parallel. Each slice becomes a **child** feature with its own branch, cut from the **parent's** branch and integrated back into it. Only the parent delivers.