> imagent [...] processes incoming messages does it? IIUC (from a cursory look) according to the diagram it delegates all message processing to MessageBlastDo

> imagent [...] processes incoming messages does it? IIUC (from a cursory look) according to the diagram it delegates all message processing to MessageBlastDoorService/IM{Transfer,Transcoder,Persistence}Agent, relying only on locally computed boolean-ish metadata replies from these services, and merely transparently forwarding actual data between those.