sb-drivelisted

# Drive the active milestone to its next real boundary ## Apply project language style Before authoring any artifact or user-facing prose, read: ```sh specbind rule read language-style --for consume ``` Apply returned policy only to natural-language prose. `NO_CHANGE RULE_ABSENT` means no additional project preference; any `ERROR` line stops the workflow. Use this Skill when the user asks to drive, continue, or advance the active milestone as far as possible. A request for one Roadmap item's implementation still belongs to `sb-implement`. You are a thin controller. Existing Skills own all artifacts, judgments, progress, and checkpoints. The CLI owns lifecycle state. Never author their work or retain a competing schedule. ## Optional replan authority `--replan`, or an explicit natural-language request to delegate replanning, authorizes Design, Contract, and Tasks revisions within the active delivery Milestone's existing scope and approved Requirements. The option itself is authorization: do not ask for a second delegation confirmation. Without it, the ordinary approval and rewind confirmations below remain unchanged. This includes necessary Design/Tasks invalidation, delegated reapproval, independent Design validation, renewed Contract Review, affected consumers inside scope, and reimplementation of previously completed work. It never authorizes changing or invalidating Requirements, changing Milestone scope or dependencies, changing an out-of-scope Spec, weakening a