Server/new-api

Аутор	SHA1 Порука	Датум
feitianbubu	62b9aaa520 feat: prevent metadata from overriding model fields	пре 1 месец
CaIon	8374a83084 feat(task): add adaptor billing interface and async settlement framework	пре 3 месеци
CaIon	ba25ba88fe refactor(task): extract billing and polling logic from controller to service layer	пре 3 месеци