增加支付逻辑

backend/internal/migrations/sql/0006_minimax_h3_billing_provider.sql

@@ -0,0 +1,13 @@
+-- Allow MiniMax H3 rules in the durable billing catalog. Runtime provider
+-- credentials already use the generic platform_runtime_settings table.
+
+begin;
+
+alter table public.billing_price_rules
+  drop constraint if exists billing_price_rules_provider_check;
+
+alter table public.billing_price_rules
+  add constraint billing_price_rules_provider_check
+  check (provider in ('volcengine-visual', 'evolink', 'seedance', 'seedream', 'bailian', 'minimax', 'mock'));
+
+commit;