wttr-weather

os.http.request GET (allowlist must include wttr.in if not null):

• https://wttr.in/<Place>?format=3 — one-line text
• https://wttr.in/<Place>?format=j1 — JSON
• No place: https://wttr.in/?format=3
• Metric/imperial: append &m or &u

No wttr binary. No skill.run_script. Fallback: curl -fsS --max-time 25 '<url>' via os.shell.run.