OUTPUT IS ALWAYS A `.html` FILE (or a small folder of `.html` files for multi-page plans) — never `.md`, never plain markdown. The file extension on a "PLAN" deliverable is `.html`, not `.md`. Use this skill whenever the user asks for an implementation plan, technical plan, project plan, roadmap, mi
OUTPUT IS ALWAYS A `.html` FILE (or a small folder of `.html` files for multi-page plans) — never `.md`, never plain markdown. The file extension on a "PLAN" deliverable is `.html`, not `.md`. Use this skill whenever the user asks for an implementation plan, technical plan, project plan, roadmap, milestone breakdown, comparison sheet, options analysis, RFC, design doc, technical proposal, "weigh t