Add codex debug models to show model catalog (#18625)

codex-rs/core/src/thread_manager.rs

@@ -217,6 +217,26 @@ pub(crate) struct ThreadManagerState {
     ops_log: Option<SharedCapturedOps>,
 }
 
+pub fn build_models_manager(
+    config: &Config,
+    auth_manager: Arc<AuthManager>,
+    collaboration_modes_config: CollaborationModesConfig,
+) -> Arc<ModelsManager> {
+    let openai_models_provider = config
+        .model_providers
+        .get(OPENAI_PROVIDER_ID)
+        .cloned()
+        .unwrap_or_else(|| ModelProviderInfo::create_openai_provider(/*base_url*/ None));
+
+    Arc::new(ModelsManager::new_with_provider(
+        config.codex_home.to_path_buf(),
+        auth_manager,
+        config.model_catalog.clone(),
+        collaboration_modes_config,
+        openai_models_provider,
+    ))
+}
+
 impl ThreadManager {
     pub fn new(
         config: &Config,
@@ -228,11 +248,6 @@ impl ThreadManager {
     ) -> Self {
         let codex_home = config.codex_home.clone();
         let restriction_product = session_source.restriction_product();
-        let openai_models_provider = config
-            .model_providers
-            .get(OPENAI_PROVIDER_ID)
-            .cloned()
-            .unwrap_or_else(|| ModelProviderInfo::create_openai_provider(/*base_url*/ None));
         let (thread_created_tx, _) = broadcast::channel(THREAD_CREATED_CHANNEL_CAPACITY);
         let plugins_manager = Arc::new(PluginsManager::new_with_restriction_product(
             codex_home.to_path_buf(),
@@ -240,7 +255,7 @@ impl ThreadManager {
         ));
         let mcp_manager = Arc::new(McpManager::new(Arc::clone(&plugins_manager)));
         let skills_manager = Arc::new(SkillsManager::new_with_restriction_product(
-            codex_home.clone(),
+            codex_home,
             config.bundled_skills_enabled(),
             restriction_product,
         ));
@@ -249,13 +264,11 @@ impl ThreadManager {
             state: Arc::new(ThreadManagerState {
                 threads: Arc::new(RwLock::new(HashMap::new())),
                 thread_created_tx,
-                models_manager: Arc::new(ModelsManager::new_with_provider(
-                    codex_home.to_path_buf(),
+                models_manager: build_models_manager(
+                    config,
                     auth_manager.clone(),
-                    config.model_catalog.clone(),
                     collaboration_modes_config,
-                    openai_models_provider,
-                )),
+                ),
                 environment_manager,
                 skills_manager,
                 plugins_manager,