diff --git a/codex-rs/app-server/src/codex_message_processor.rs b/codex-rs/app-server/src/codex_message_processor.rs
index f67470dcb7..4394417cb5 100644
--- a/codex-rs/app-server/src/codex_message_processor.rs
+++ b/codex-rs/app-server/src/codex_message_processor.rs
@@ -2724,6 +2724,7 @@ async fn apply_bespoke_event_handling(
         },
         EventMsg::ExecApprovalRequest(ExecApprovalRequestEvent {
             call_id,
+            turn_id,
             command,
             cwd,
             reason,
@@ -2757,8 +2758,7 @@ async fn apply_bespoke_event_handling(
                 };
                 let params = CommandExecutionRequestApprovalParams {
                     thread_id: conversation_id.to_string(),
-                    // TODO: use the actual IDs once we have them
-                    turn_id: "placeholder_turn_id".to_string(),
+                    turn_id: turn_id.clone(),
                     // TODO: Until we migrate the core to be aware of a first class CommandExecutionItem
                     // and emit the corresponding EventMsg, we repurpose the call_id as the item_id.
                     item_id: call_id.clone(),
diff --git a/codex-rs/core/src/codex.rs b/codex-rs/core/src/codex.rs
index 273f7a4975..bc59c01353 100644
--- a/codex-rs/core/src/codex.rs
+++ b/codex-rs/core/src/codex.rs
@@ -890,6 +890,7 @@ impl Session {
         let parsed_cmd = parse_command(&command);
         let event = EventMsg::ExecApprovalRequest(ExecApprovalRequestEvent {
             call_id,
+            turn_id: turn_context.sub_id.clone(),
             command,
             cwd,
             reason,
diff --git a/codex-rs/mcp-server/src/codex_tool_runner.rs b/codex-rs/mcp-server/src/codex_tool_runner.rs
index 96e875153d..3f9cae0e14 100644
--- a/codex-rs/mcp-server/src/codex_tool_runner.rs
+++ b/codex-rs/mcp-server/src/codex_tool_runner.rs
@@ -174,6 +174,7 @@ async fn run_codex_tool_session_inner(
 
                 match event.msg {
                     EventMsg::ExecApprovalRequest(ExecApprovalRequestEvent {
+                        turn_id: _,
                         command,
                         cwd,
                         call_id,
diff --git a/codex-rs/protocol/src/approvals.rs b/codex-rs/protocol/src/approvals.rs
index 3227ddd1a3..f7c5fc6049 100644
--- a/codex-rs/protocol/src/approvals.rs
+++ b/codex-rs/protocol/src/approvals.rs
@@ -36,6 +36,10 @@ impl SandboxRiskLevel {
 pub struct ExecApprovalRequestEvent {
     /// Identifier for the associated exec call, if available.
     pub call_id: String,
+    /// Turn ID that this command belongs to.
+    /// Uses `#[serde(default)]` for backwards compatibility.
+    #[serde(default)]
+    pub turn_id: String,
     /// The command to be executed.
     pub command: Vec<String>,
     /// The command's working directory.
diff --git a/codex-rs/tui/src/chatwidget/tests.rs b/codex-rs/tui/src/chatwidget/tests.rs
index e9ea5813fa..b245ea4eb4 100644
--- a/codex-rs/tui/src/chatwidget/tests.rs
+++ b/codex-rs/tui/src/chatwidget/tests.rs
@@ -509,6 +509,7 @@ fn exec_approval_emits_proposed_command_and_decision_history() {
     // Trigger an exec approval request with a short, single-line command
     let ev = ExecApprovalRequestEvent {
         call_id: "call-short".into(),
+        turn_id: "turn-short".into(),
         command: vec!["bash".into(), "-lc".into(), "echo hello world".into()],
         cwd: std::env::current_dir().unwrap_or_else(|_| PathBuf::from(".")),
         reason: Some(
@@ -552,6 +553,7 @@ fn exec_approval_decision_truncates_multiline_and_long_commands() {
     // Multiline command: modal should show full command, history records decision only
     let ev_multi = ExecApprovalRequestEvent {
         call_id: "call-multi".into(),
+        turn_id: "turn-multi".into(),
         command: vec!["bash".into(), "-lc".into(), "echo line1\necho line2".into()],
         cwd: std::env::current_dir().unwrap_or_else(|_| PathBuf::from(".")),
         reason: Some(
@@ -603,6 +605,7 @@ fn exec_approval_decision_truncates_multiline_and_long_commands() {
     let long = format!("echo {}", "a".repeat(200));
     let ev_long = ExecApprovalRequestEvent {
         call_id: "call-long".into(),
+        turn_id: "turn-long".into(),
         command: vec!["bash".into(), "-lc".into(), long],
         cwd: std::env::current_dir().unwrap_or_else(|_| PathBuf::from(".")),
         reason: None,
@@ -1828,6 +1831,7 @@ fn approval_modal_exec_snapshot() {
     // Inject an exec approval request to display the approval modal.
     let ev = ExecApprovalRequestEvent {
         call_id: "call-approve-cmd".into(),
+        turn_id: "turn-approve-cmd".into(),
         command: vec!["bash".into(), "-lc".into(), "echo hello world".into()],
         cwd: std::env::current_dir().unwrap_or_else(|_| PathBuf::from(".")),
         reason: Some(
@@ -1875,6 +1879,7 @@ fn approval_modal_exec_without_reason_snapshot() {
 
     let ev = ExecApprovalRequestEvent {
         call_id: "call-approve-cmd-noreason".into(),
+        turn_id: "turn-approve-cmd-noreason".into(),
         command: vec!["bash".into(), "-lc".into(), "echo hello world".into()],
         cwd: std::env::current_dir().unwrap_or_else(|_| PathBuf::from(".")),
         reason: None,
@@ -2084,6 +2089,7 @@ fn status_widget_and_approval_modal_snapshot() {
     // Now show an approval modal (e.g. exec approval).
     let ev = ExecApprovalRequestEvent {
         call_id: "call-approve-exec".into(),
+        turn_id: "turn-approve-exec".into(),
         command: vec!["echo".into(), "hello world".into()],
         cwd: PathBuf::from("/tmp"),
         reason: Some(