What problem does it solve? Starting feature work directly in your main checkout risks polluting your current branch and mixing unrelated changes. This Skill ensures every implementation task begins in an isolated workspace, detecting existing isolation first and falling back to manual git worktrees only when no native tool exists. ## Core Features & Use Cases - Isolation Detection: Runs git rev-parse checks to determine whether you are already in a linked worktree, a submodule, or a normal checkout before creating anything. - Native Tool Preference: Uses platform-native worktree tools (e.g., EnterWorktree, /worktree commands) when available, avoiding phantom state that manual git commands would create. - Safe Fallback Workflow: When no native tool exists, creates a git worktree in a verified gitignored directory (.worktrees/ by default), installs project dependencies, and runs baseline tests. - Use Case: Before implementing a new feature branch, ask the assistant to set up an isolated workspace; it will detect your environment, create the worktree, run npm install or cargo build, and confirm tests pass. ## Quick Start Ask the assistant to set up an isolated worktree workspace before starting implementation of your next feature.