re-implement session id in status (#2332)

Basically the same thing as https://github.com/openai/codex/pull/2297

codex-rs/tui/src/chatwidget.rs

@@ -59,6 +59,7 @@ use crate::streaming::controller::AppEventHistorySink;
 use crate::streaming::controller::StreamController;
 use codex_core::ConversationManager;
 use codex_file_search::FileMatch;
+use uuid::Uuid;
 
 // Track information about an in-flight exec command.
 struct RunningCommand {
@@ -86,6 +87,7 @@ pub(crate) struct ChatWidget<'a> {
     interrupts: InterruptManager,
     // Whether a redraw is needed after handling the current event
     needs_redraw: bool,
+    session_id: Option<Uuid>,
 }
 
 struct UserMessage {
@@ -125,6 +127,7 @@ impl ChatWidget<'_> {
     fn on_session_configured(&mut self, event: codex_core::protocol::SessionConfiguredEvent) {
         self.bottom_pane
             .set_history_metadata(event.history_log_id, event.history_entry_count);
+        self.session_id = Some(event.session_id);
         self.add_to_history(&history_cell::new_session_info(&self.config, event, true));
         if let Some(user_message) = self.initial_user_message.take() {
             self.submit_user_message(user_message);
@@ -528,6 +531,7 @@ impl ChatWidget<'_> {
             task_complete_pending: false,
             interrupts: InterruptManager::new(),
             needs_redraw: false,
+            session_id: None,
         }
     }
 
@@ -675,6 +679,7 @@ impl ChatWidget<'_> {
         self.add_to_history(&history_cell::new_status_output(
             &self.config,
             &self.total_token_usage,
+            &self.session_id,
         ));
     }
 

codex-rs/tui/src/chatwidget/tests.rs

@@ -141,6 +141,7 @@ fn make_chatwidget_manual() -> (
         task_complete_pending: false,
         interrupts: InterruptManager::new(),
         needs_redraw: false,
+        session_id: None,
     };
     (widget, rx, op_rx)
 }

codex-rs/tui/src/history_cell.rs

@@ -37,6 +37,7 @@ use std::path::PathBuf;
 use std::time::Duration;
 use std::time::Instant;
 use tracing::error;
+use uuid::Uuid;
 
 #[derive(Clone)]
 pub(crate) struct CommandOutput {
@@ -483,7 +484,11 @@ pub(crate) fn new_diff_output(message: String) -> PlainHistoryCell {
     PlainHistoryCell { lines }
 }
 
-pub(crate) fn new_status_output(config: &Config, usage: &TokenUsage) -> PlainHistoryCell {
+pub(crate) fn new_status_output(
+    config: &Config,
+    usage: &TokenUsage,
+    session_id: &Option<Uuid>,
+) -> PlainHistoryCell {
     let mut lines: Vec<Line<'static>> = Vec::new();
     lines.push(Line::from("/status".magenta()));
 
@@ -521,6 +526,13 @@ pub(crate) fn new_status_output(config: &Config, usage: &TokenUsage) -> PlainHis
         sandbox_name.into(),
     ]));
 
+    if let Some(session_id) = session_id {
+        lines.push(Line::from(vec![
+            "  • Session ID: ".into(),
+            session_id.to_string().into(),
+        ]));
+    }
+
     lines.push(Line::from(""));
 
     // 👤 Account (only if ChatGPT tokens exist), shown under the first block