Global Kombucha Market Size, Share Demand Report By Product Type (Traditional Kombucha, Hard Kombucha, Functional/Enhanced Kombucha), By Flavor Profile (Unflavored, Fruit-Based, Herbal & Botanical, Spice-Based), By Packaging Format (Glass Bottles, Aluminum Cans, PET Bottles, On-Tap/Kegs), By Distribution Channel (Supermarkets & Hypermarkets, Convenience Stores, Specialty & Health Stores, Online & D2C, Foodservice), By Price Positioning (Mass Market, Premium, Super-Premium/Craft), By Region & Segment Forecasts, 2026–2031