FindSaunaPlunge — US cold plunge & sauna studios

• search_venues — Search cold plunge / sauna venues. All filters are optional and AND-combined. Absent fields in results mean "not published", never zero.
• get_venue — Fetch the full record for one venue by its stable id.
• list_cities — Cities with live venues, with counts and available modalities.
• get_city_stats — Aggregate figures for one covered city: venue count, modality and access breakdowns, contrast-capable count, and median published prices and plunge temperature.
• get_data_freshness — When the dataset was generated and how recently venues were checked: oldest and newest lastVerified dates, counts by age bucket, and the newest check date per c

No long description beyond the summary.