fix events flow

Author: yarikdevcom

agents-core/vision_agents/core/agents/agents.py

@@ -240,6 +240,8 @@ def __init__(
         self._prepare_rtc()
         self._setup_stt()
 
+        self.events.send(events.AgentInitEvent())
+
     @contextlib.contextmanager
     def span(self, name):
         with tracer.start_as_current_span(name, context=self._root_ctx) as span:
@@ -265,8 +267,6 @@ def end_tracing(self):
     def __aexit__(self, exc_type, exc_val, exc_tb):
         self.end_tracing()
 
-        self.events.send(events.AgentInitEvent())
-
     async def simple_response(
         self, text: str, participant: Optional[Participant] = None
     ) -> None: