V4

codex-rs/exec/src/event_processor_with_human_output.rs

@@ -159,7 +159,11 @@ impl EventProcessor for EventProcessorWithHumanOutput {
     }
 
     fn process_event(&mut self, event: Event) -> CodexStatus {
-        let Event { id: _, msg } = event;
+        let Event {
+            id: _,
+            agent_idx: _,
+            msg,
+        } = event;
         match msg {
             EventMsg::Error(ErrorEvent { message, .. }) => {
                 let prefix = "ERROR:".style(self.red);

codex-rs/exec/src/event_processor_with_jsonl_output.rs

@@ -469,6 +469,7 @@ impl EventProcessor for EventProcessorWithJsonOutput {
     fn print_config_summary(&mut self, _: &Config, _: &str, ev: &SessionConfiguredEvent) {
         self.process_event(Event {
             id: "".to_string(),
+            agent_idx: Some(0),
             msg: EventMsg::SessionConfigured(ev.clone()),
         });
     }

codex-rs/exec/tests/event_processor_with_json_output.rs

@@ -59,6 +59,7 @@ use std::time::Duration;
 fn event(id: &str, msg: EventMsg) -> Event {
     Event {
         id: id.to_string(),
+        agent_idx: Some(0),
         msg,
     }
 }