Update to Powly

{
  "name": "Find the next powder day",
  "description": "Find the best upcoming powder day within driving distance and show the route.",
  "included_files": [],
  "skill_md_contents": "---\nname: \"Find the next powder day\"\ndescription: \"Find the best upcoming powder day within driving distance and show the route.\"\n---\n\nWhen the user asks where and when to catch fresh snow (\"powder\"), call\n`find_powder_days` with their starting city and preferred maximum driving time.\nPick the best date/resort combination (most fresh snow, reasonable drive) and call\n`get_route` for it so the user sees the route. Summarize: date, resort, expected\nsnowfall in cm, drive time.\n"
}