gsd-new-milestone

<cursor_skill_adapter> ## A. Skill Invocation - This skill is invoked when the user mentions `gsd-new-milestone` or describes a task matching this skill. - Treat all user text after the skill mention as `{{GSD_ARGS}}`. - If no arguments are present, treat `{{GSD_ARGS}}` as empty. ## B. User Prompting When the workflow needs user input, prompt the user conversationally: - Present options as a numbered list in your response text - Ask the user to reply with their choice - For multi-select, ask for comma-separated numbers ## C. Tool Usage Use these Cursor tools when executing GSD workflows: - `Shell` for running commands (terminal operations) - `StrReplace` for editing existing files - `Read`, `Write`, `Glob`, `Grep`, `Task`, `WebSearch`, `WebFetch`, `TodoWrite` as needed ## D. Subagent Spawning When the workflow needs to spawn a subagent: - Use `Task(subagent_type="generalPurpose", ...)` - The `model` parameter maps to Cursor's model options (e.g., "fast") </cursor_skill_adapter> <objective> Start a new milestone: questioning → research (optional) → requirements → roadmap. Brownfield equivalent of new-project. Project exists, PROJECT.md has history. Gathers "what's next", updates PROJECT.md, then runs requirements → roadmap cycle. **Creates/Updates:** - `.planning/PROJECT.md` — updated with new milestone goals - `.planning/research/` — domain research (optional, NEW features only) - `.planning/REQUIREMENTS.md` — scoped requirements for this milestone - `.planning/ROADMAP....