rework to isolate core

codex-rs/app-server/tests/suite/v2/compaction.rs

@@ -129,6 +129,7 @@ async fn auto_compaction_remote_emits_started_and_completed_items() -> Result<()
             content: vec![ContentItem::OutputText {
                 text: "REMOTE_COMPACT_SUMMARY".to_string(),
             }],
+            metadata: None,
             end_turn: None,
             phase: None,
         },

codex-rs/app-server/tests/suite/v2/thread_resume.rs

@@ -757,6 +757,7 @@ async fn thread_resume_rejects_history_when_thread_is_running() -> Result<()> {
                 content: vec![ContentItem::InputText {
                     text: "history override".to_string(),
                 }],
+                metadata: None,
                 end_turn: None,
                 phase: None,
             }]),
@@ -1493,6 +1494,7 @@ async fn thread_resume_supports_history_and_overrides() -> Result<()> {
         content: vec![ContentItem::InputText {
             text: history_text.to_string(),
         }],
+        metadata: None,
         end_turn: None,
         phase: None,
     }];

codex-rs/app-server/tests/suite/v2/turn_start.rs

@@ -1780,7 +1780,6 @@ async fn turn_start_emits_spawn_agent_item_with_model_metadata_v2() -> Result<()
             model: Some(REQUESTED_MODEL.to_string()),
             reasoning_effort: Some(REQUESTED_REASONING_EFFORT),
             agents_states: HashMap::new(),
-            metadata: None,
         }
     );
 
@@ -1809,7 +1808,6 @@ async fn turn_start_emits_spawn_agent_item_with_model_metadata_v2() -> Result<()
         model,
         reasoning_effort,
         agents_states,
-        metadata: _,
     } = spawn_completed
     else {
         unreachable!("loop ensures we break on collab agent tool call items");