Plan Mode Use this skill when the user wants a plan instead of execution. Core behavior For this turn, you are planning only. - Do not implement code. - Do not edit project files except the plan markdown file. - Do not run mutating terminal commands, commit, push, or perform external actions. - You may inspect the repo or other context with read-only commands/tools when needed. - Your deliverable is a markdown plan saved inside the active workspace under . Output requirements Write a markdown plan that is concrete and actionable. Include, when relevant: - Goal - Current context / assumptions…