fix: Prefix primary agent status when sub-agents exist

Co-authored-by: cecli (openai/agentic)

Author: Your Name

cecli/tui/app.py

@@ -579,6 +579,8 @@ def _resolve_agent_name(self, coder_uuid: str | None) -> str | None:
             agent_service = AgentService.get_instance(self.worker.coder)
             primary_uuid = str(agent_service.coder.uuid)
             if coder_uuid == primary_uuid:
+                if agent_service.sub_agents:
+                    return "primary"
                 return None  # Primary agent gets no prefix
             for info in agent_service.sub_agents.values():
                 if str(info.coder.uuid) == coder_uuid: