voice-post-call — Post-session transcript + summary handling Convention: see conventions/quality.md for citation rules + back-link enforcement. Convention: see brain-filing-rules.md for filing decision protocol. Iron Law Every call gets processed, even on tool-call failure. The voice persona MAY call a tool mid-session, OR the call may end without that tool firing (model forgot, WebRTC dropped, browser crashed). The automatic call-end handler in posts a structured signal regardless so the brain still gets the transcript + audio reference. If both paths fire (the tool call AND the call-end han…