define/emit some metrics for windows sandbox setup (#9573)

This should give us visibility into how users are using the elevated
sandbox nux flow, and the timing of the elevated setup.

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

@@ -48,6 +48,7 @@ use codex_core::protocol::PatchApplyEndEvent;
 use codex_core::protocol::RateLimitWindow;
 use codex_core::protocol::ReviewRequest;
 use codex_core::protocol::ReviewTarget;
+use codex_core::protocol::SessionSource;
 use codex_core::protocol::StreamErrorEvent;
 use codex_core::protocol::TerminalInteractionEvent;
 use codex_core::protocol::TokenCountEvent;
@@ -59,6 +60,7 @@ use codex_core::protocol::UndoCompletedEvent;
 use codex_core::protocol::UndoStartedEvent;
 use codex_core::protocol::ViewImageToolCallEvent;
 use codex_core::protocol::WarningEvent;
+use codex_otel::OtelManager;
 use codex_protocol::ThreadId;
 use codex_protocol::account::PlanType;
 use codex_protocol::config_types::CollaborationMode;
@@ -700,6 +702,7 @@ async fn helpers_are_available_and_do_not_panic() {
     let tx = AppEventSender::new(tx_raw);
     let cfg = test_config().await;
     let resolved_model = ModelsManager::get_model_offline(cfg.model.as_deref());
+    let otel_manager = test_otel_manager(&cfg, resolved_model.as_str());
     let thread_manager = Arc::new(ThreadManager::with_models_provider(
         CodexAuth::from_api_key("test"),
         cfg.model_provider.clone(),
@@ -716,12 +719,28 @@ async fn helpers_are_available_and_do_not_panic() {
         feedback: codex_feedback::CodexFeedback::new(),
         is_first_run: true,
         model: Some(resolved_model),
+        otel_manager,
     };
     let mut w = ChatWidget::new(init, thread_manager);
     // Basic construction sanity.
     let _ = &mut w;
 }
 
+fn test_otel_manager(config: &Config, model: &str) -> OtelManager {
+    let model_info = ModelsManager::construct_model_info_offline(model, config);
+    OtelManager::new(
+        ThreadId::new(),
+        model,
+        model_info.slug.as_str(),
+        None,
+        None,
+        None,
+        false,
+        "test".to_string(),
+        SessionSource::Cli,
+    )
+}
+
 // --- Helpers for tests that need direct construction and event draining ---
 async fn make_chatwidget_manual(
     model_override: Option<&str>,
@@ -740,6 +759,7 @@ async fn make_chatwidget_manual(
     if let Some(model) = model_override {
         cfg.model = Some(model.to_string());
     }
+    let otel_manager = test_otel_manager(&cfg, resolved_model.as_str());
     let mut bottom = BottomPane::new(BottomPaneParams {
         app_event_tx: app_event_tx.clone(),
         frame_requester: FrameRequester::test_dummy(),
@@ -782,6 +802,7 @@ async fn make_chatwidget_manual(
         stored_collaboration_mode,
         auth_manager,
         models_manager,
+        otel_manager,
         session_header: SessionHeader::new(resolved_model),
         initial_user_message: None,
         token_info: None,