Generate a complete ROADMAP.md (or PHASES.md) file for any project. Use whenever the user asks to create, write, generate, or draft a ROADMAP.md or PHASES.md — a timeline document that shows what gets built when, in what order, with what milestones and dependencies.
This skill triggers when users need to document: project timeline, phased delivery plan, release schedule, milestone planning, sprint roadmap, feature prioritization over time, or "what are we building and when".
Do NOT trigger for single-feature implementation plans (use Design.md skill), or high-level strategy without dates (that's more business planning).
