renaming: task to turn (#8963)

codex-rs/core/src/rollout/policy.rs

@@ -50,8 +50,8 @@ pub(crate) fn should_persist_event_msg(ev: &EventMsg) -> bool {
         | EventMsg::TurnAborted(_) => true,
         EventMsg::Error(_)
         | EventMsg::Warning(_)
-        | EventMsg::TaskStarted(_)
-        | EventMsg::TaskComplete(_)
+        | EventMsg::TurnStarted(_)
+        | EventMsg::TurnComplete(_)
         | EventMsg::AgentMessageDelta(_)
         | EventMsg::AgentReasoningDelta(_)
         | EventMsg::AgentReasoningRawContentDelta(_)