hs-req-changelisted

<!-- hotsheet-skill-version: 2 --> Create a new Hot Sheet **requirement change** ticket. Changes to existing requirements. **Parsing the input:** - If the input starts with "next", "up next", or "do next" (case-insensitive), set `up_next` to `true` and use the remaining text as the title - Otherwise, use the entire input as the title **Create the ticket** by running: ```bash curl -s -X POST http://localhost:4175/api/tickets \ -H "Content-Type: application/json" \ -d '{"title": "<TITLE>", "defaults": {"category": "requirement_change", "up_next": <true|false>}}' ``` Report the created ticket number and title to the user.