shopk_shared.getConfig(tac)Get the current ShopK configuration
tac (table): - TAC instance (optional, for settings fallback)shopk_shared.getShopData(tac)Get shop status and data
tac (table): - TAC instanceshopk_shared.isConfigured(tac)Check if shop is properly configured
tac (table): - TAC instanceshopk_shared.getAvailableSlots(tac, pattern)Get available slots for a tier pattern
tac (table): - TAC instancepattern (string): - tier pattern (e.g., "tenant.*")shopk_shared.formatPaymentMeta(pattern, tier)Format payment metadata for a tier
pattern (string): - tier patterntier (table): - tier data