What problem does it solve? When a Claude Code session ends mid-work, the next session normally has to re-survey the project and re-decide what to do. This Skill reads the resume block the previous session wrote into its checkpoint and restarts work directly from that hand-off, avoiding duplicated planning and conflicting worktree claims. ## Core Features & Use Cases - Resume block discovery: Runs pickup-list to enumerate resumable branches, selecting one automatically or asking for a one-line pick when several exist. - Safe worktree handling: Forks a fresh worktree with EnterWorktree instead of reusing the previous session's directory, and stops cleanly when a branch is still claimed by a live session. - Consumption tracking: Appends a consumed line to the checkpoint's ## Resume block so the same hand-off is never picked up twice. - Block authoring: Defines the four-line hand-off format (next, link, model, effort) a leaving session writes into its own checkpoint. - Use Case: You return to a project after a session ended mid-PR. Say "pick up where we left off" and the Skill restates the next step, checks out the branch in a new worktree, marks the block consumed, and starts work. ## Quick Start Say "pick up where we left off" or "/pickup <branch>" to resume the work a previous session handed off in its checkpoint.