Isolate Create a worktree branched from the latest so task work never starts on stale code. Announce: "Setting up an isolated worktree for this task." Inputs - Branch name: from Step 1 (e.g., , ). Ask if not provided. - Base ref: the current branch's parent (detected via reflog, default ). Override only when explicitly stacking on a different branch. Detect parent branch The parent branch (what this branch will eventually merge into) is determined from the reflog: Returns empty when the branch was created from a detached HEAD or in a web session with no reflog — falls back to . Correct 99% of…