Wire with_remote_overrides to construct model families

codex-rs/core/Cargo.toml

@@ -90,6 +90,7 @@ wildmatch = { workspace = true }
 
 [features]
 deterministic_process_ids = []
+test-support = []
 
 
 [target.'cfg(target_os = "linux")'.dependencies]

codex-rs/core/src/codex.rs

@@ -14,6 +14,7 @@ use crate::compact_remote::run_inline_remote_auto_compact_task;
 use crate::exec_policy::load_exec_policy_for_features;
 use crate::features::Feature;
 use crate::features::Features;
+use crate::openai_models::model_family::ModelFamily;
 use crate::openai_models::models_manager::ModelsManager;
 use crate::parse_command::parse_command;
 use crate::parse_turn_item;
@@ -398,35 +399,39 @@ pub(crate) struct SessionSettingsUpdate {
 }
 
 impl Session {
+    fn build_per_turn_config(session_configuration: &SessionConfiguration) -> Config {
+        let config = session_configuration.original_config_do_not_use.clone();
+        let mut per_turn_config = (*config).clone();
+        per_turn_config.model = session_configuration.model.clone();
+        per_turn_config.model_reasoning_effort = session_configuration.model_reasoning_effort;
+        per_turn_config.model_reasoning_summary = session_configuration.model_reasoning_summary;
+        per_turn_config.features = config.features.clone();
+        per_turn_config
+    }
+
+    #[allow(clippy::too_many_arguments)]
     fn make_turn_context(
         auth_manager: Option<Arc<AuthManager>>,
-        models_manager: Arc<ModelsManager>,
         otel_event_manager: &OtelEventManager,
         provider: ModelProviderInfo,
         session_configuration: &SessionConfiguration,
+        mut per_turn_config: Config,
+        model_family: ModelFamily,
         conversation_id: ConversationId,
         sub_id: String,
     ) -> TurnContext {
-        let config = session_configuration.original_config_do_not_use.clone();
-        let features = &config.features;
-        let mut per_turn_config = (*config).clone();
-        per_turn_config.model = session_configuration.model.clone();
-        per_turn_config.model_reasoning_effort = session_configuration.model_reasoning_effort;
-        per_turn_config.model_reasoning_summary = session_configuration.model_reasoning_summary;
-        per_turn_config.features = features.clone();
-        let model_family =
-            models_manager.construct_model_family(&per_turn_config.model, &per_turn_config);
         if let Some(model_info) = get_model_info(&model_family) {
             per_turn_config.model_context_window = Some(model_info.context_window);
         }
 
         let otel_event_manager = otel_event_manager.clone().with_model(
             session_configuration.model.as_str(),
-            session_configuration.model.as_str(),
+            model_family.slug.as_str(),
         );
 
+        let per_turn_config = Arc::new(per_turn_config);
         let client = ModelClient::new(
-            Arc::new(per_turn_config.clone()),
+            per_turn_config.clone(),
             auth_manager,
             model_family.clone(),
             otel_event_manager,
@@ -439,7 +444,7 @@ impl Session {
 
         let tools_config = ToolsConfig::new(&ToolsConfigParams {
             model_family: &model_family,
-            features,
+            features: &per_turn_config.features,
         });
 
         TurnContext {
@@ -452,14 +457,14 @@ impl Session {
             user_instructions: session_configuration.user_instructions.clone(),
             approval_policy: session_configuration.approval_policy,
             sandbox_policy: session_configuration.sandbox_policy.clone(),
-            shell_environment_policy: config.shell_environment_policy.clone(),
+            shell_environment_policy: per_turn_config.shell_environment_policy.clone(),
             tools_config,
             final_output_json_schema: None,
-            codex_linux_sandbox_exe: config.codex_linux_sandbox_exe.clone(),
+            codex_linux_sandbox_exe: per_turn_config.codex_linux_sandbox_exe.clone(),
             tool_call_gate: Arc::new(ReadinessFlag::new()),
             exec_policy: session_configuration.exec_policy.clone(),
             truncation_policy: TruncationPolicy::new(
-                &per_turn_config,
+                per_turn_config.as_ref(),
                 model_family.truncation_policy,
             ),
         }
@@ -545,7 +550,9 @@ impl Session {
             });
         }
 
-        let model_family = models_manager.construct_model_family(&config.model, &config);
+        let model_family = models_manager
+            .construct_model_family(&config.model, &config)
+            .await;
         // todo(aibrahim): why are we passing model here while it can change?
         let otel_event_manager = OtelEventManager::new(
             conversation_id,
@@ -768,12 +775,19 @@ impl Session {
             session_configuration
         };
 
+        let per_turn_config = Self::build_per_turn_config(&session_configuration);
+        let model_family = self
+            .services
+            .models_manager
+            .construct_model_family(&per_turn_config.model, &per_turn_config)
+            .await;
         let mut turn_context: TurnContext = Self::make_turn_context(
             Some(Arc::clone(&self.services.auth_manager)),
-            Arc::clone(&self.services.models_manager),
             &self.services.otel_event_manager,
             session_configuration.provider.clone(),
             &session_configuration,
+            per_turn_config,
+            model_family,
             self.conversation_id,
             sub_id,
         );
@@ -1907,7 +1921,8 @@ async fn spawn_review_thread(
     let review_model_family = sess
         .services
         .models_manager
-        .construct_model_family(&model, &config);
+        .construct_model_family(&model, &config)
+        .await;
     // For reviews, disable web_search and view_image regardless of global settings.
     let mut review_features = sess.features.clone();
     review_features
@@ -2738,15 +2753,12 @@ mod tests {
     fn otel_event_manager(
         conversation_id: ConversationId,
         config: &Config,
-        models_manager: &ModelsManager,
+        model_family: &ModelFamily,
     ) -> OtelEventManager {
         OtelEventManager::new(
             conversation_id,
             config.model.as_str(),
-            models_manager
-                .construct_model_family(&config.model, config)
-                .slug
-                .as_str(),
+            model_family.slug.as_str(),
             None,
             Some("test@test.com".to_string()),
             Some(AuthMode::ChatGPT),
@@ -2769,9 +2781,6 @@ mod tests {
         let auth_manager =
             AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
         let models_manager = Arc::new(ModelsManager::new(auth_manager.clone()));
-        let otel_event_manager =
-            otel_event_manager(conversation_id, config.as_ref(), &models_manager);
-
         let session_configuration = SessionConfiguration {
             provider: config.model_provider.clone(),
             model: config.model.clone(),
@@ -2788,6 +2797,11 @@ mod tests {
             exec_policy: Arc::new(RwLock::new(ExecPolicy::empty())),
             session_source: SessionSource::Exec,
         };
+        let per_turn_config = Session::build_per_turn_config(&session_configuration);
+        let model_family =
+            ModelsManager::construct_model_family_offline(&per_turn_config.model, &per_turn_config);
+        let otel_event_manager =
+            otel_event_manager(conversation_id, config.as_ref(), &model_family);
 
         let state = SessionState::new(session_configuration.clone());
 
@@ -2801,16 +2815,17 @@ mod tests {
             show_raw_agent_reasoning: config.show_raw_agent_reasoning,
             auth_manager: auth_manager.clone(),
             otel_event_manager: otel_event_manager.clone(),
-            models_manager: models_manager.clone(),
+            models_manager,
             tool_approvals: Mutex::new(ApprovalStore::default()),
         };
 
         let turn_context = Session::make_turn_context(
             Some(Arc::clone(&auth_manager)),
-            models_manager,
             &otel_event_manager,
             session_configuration.provider.clone(),
             &session_configuration,
+            per_turn_config,
+            model_family,
             conversation_id,
             "turn_id".to_string(),
         );
@@ -2848,9 +2863,6 @@ mod tests {
         let auth_manager =
             AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
         let models_manager = Arc::new(ModelsManager::new(auth_manager.clone()));
-        let otel_event_manager =
-            otel_event_manager(conversation_id, config.as_ref(), &models_manager);
-
         let session_configuration = SessionConfiguration {
             provider: config.model_provider.clone(),
             model: config.model.clone(),
@@ -2867,6 +2879,11 @@ mod tests {
             exec_policy: Arc::new(RwLock::new(ExecPolicy::empty())),
             session_source: SessionSource::Exec,
         };
+        let per_turn_config = Session::build_per_turn_config(&session_configuration);
+        let model_family =
+            ModelsManager::construct_model_family_offline(&per_turn_config.model, &per_turn_config);
+        let otel_event_manager =
+            otel_event_manager(conversation_id, config.as_ref(), &model_family);
 
         let state = SessionState::new(session_configuration.clone());
 
@@ -2880,16 +2897,17 @@ mod tests {
             show_raw_agent_reasoning: config.show_raw_agent_reasoning,
             auth_manager: Arc::clone(&auth_manager),
             otel_event_manager: otel_event_manager.clone(),
-            models_manager: models_manager.clone(),
+            models_manager,
             tool_approvals: Mutex::new(ApprovalStore::default()),
         };
 
         let turn_context = Arc::new(Session::make_turn_context(
             Some(Arc::clone(&auth_manager)),
-            models_manager,
             &otel_event_manager,
             session_configuration.provider.clone(),
             &session_configuration,
+            per_turn_config,
+            model_family,
             conversation_id,
             "turn_id".to_string(),
         ));

codex-rs/core/src/openai_models/models_manager.rs

@@ -61,7 +61,14 @@ impl ModelsManager {
         Ok(models)
     }
 
-    pub fn construct_model_family(&self, model: &str, config: &Config) -> ModelFamily {
+    pub async fn construct_model_family(&self, model: &str, config: &Config) -> ModelFamily {
+        find_family_for_model(model)
+            .with_config_overrides(config)
+            .with_remote_overrides(self.remote_models.read().await.clone())
+    }
+
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn construct_model_family_offline(model: &str, config: &Config) -> ModelFamily {
         find_family_for_model(model).with_config_overrides(config)
     }
 

codex-rs/core/src/sandboxing/assessment.rs

@@ -126,7 +126,9 @@ pub(crate) async fn assess_command(
         output_schema: Some(sandbox_assessment_schema()),
     };
 
-    let model_family = models_manager.construct_model_family(&config.model, &config);
+    let model_family = models_manager
+        .construct_model_family(&config.model, &config)
+        .await;
 
     let child_otel = parent_otel.with_model(config.model.as_str(), model_family.slug.as_str());
 

codex-rs/core/tests/chat_completions_payload.rs

@@ -1,8 +1,6 @@
 use std::sync::Arc;
 
 use codex_app_server_protocol::AuthMode;
-use codex_core::AuthManager;
-use codex_core::CodexAuth;
 use codex_core::ContentItem;
 use codex_core::LocalShellAction;
 use codex_core::LocalShellExecAction;
@@ -73,9 +71,7 @@ async fn run_request(input: Vec<ResponseItem>) -> Value {
     let config = Arc::new(config);
 
     let conversation_id = ConversationId::new();
-    let auth_manager = AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
-    let models_manager = Arc::new(ModelsManager::new(auth_manager));
-    let model_family = models_manager.construct_model_family(&config.model, &config);
+    let model_family = ModelsManager::construct_model_family_offline(&config.model, &config);
     let otel_event_manager = OtelEventManager::new(
         conversation_id,
         config.model.as_str(),

codex-rs/core/tests/chat_completions_sse.rs

@@ -1,6 +1,5 @@
 use assert_matches::assert_matches;
 use codex_core::AuthManager;
-use codex_core::openai_models::models_manager::ModelsManager;
 use std::sync::Arc;
 use tracing_test::traced_test;
 
@@ -12,6 +11,7 @@ use codex_core::Prompt;
 use codex_core::ResponseEvent;
 use codex_core::ResponseItem;
 use codex_core::WireApi;
+use codex_core::openai_models::models_manager::ModelsManager;
 use codex_otel::otel_event_manager::OtelEventManager;
 use codex_protocol::ConversationId;
 use codex_protocol::models::ReasoningItemContent;
@@ -74,8 +74,7 @@ async fn run_stream_with_bytes(sse_body: &[u8]) -> Vec<ResponseEvent> {
     let conversation_id = ConversationId::new();
     let auth_manager = AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
     let auth_mode = auth_manager.get_auth_mode();
-    let models_manager = Arc::new(ModelsManager::new(auth_manager));
-    let model_family = models_manager.construct_model_family(&config.model, &config);
+    let model_family = ModelsManager::construct_model_family_offline(&config.model, &config);
     let otel_event_manager = OtelEventManager::new(
         conversation_id,
         config.model.as_str(),

codex-rs/core/tests/common/Cargo.toml

@@ -11,7 +11,7 @@ path = "lib.rs"
 anyhow = { workspace = true }
 assert_cmd = { workspace = true }
 base64 = { workspace = true }
-codex-core = { workspace = true }
+codex-core = { workspace = true, features = ["test-support"] }
 codex-protocol = { workspace = true }
 notify = { workspace = true }
 regex-lite = { workspace = true }

codex-rs/core/tests/responses_headers.rs

@@ -65,9 +65,7 @@ async fn responses_stream_includes_subagent_header_on_review() {
 
     let conversation_id = ConversationId::new();
     let auth_mode = AuthMode::ChatGPT;
-    let auth_manager = AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
-    let models_manager = Arc::new(ModelsManager::new(auth_manager));
-    let model_family = models_manager.construct_model_family(&config.model, &config);
+    let model_family = ModelsManager::construct_model_family_offline(&config.model, &config);
     let otel_event_manager = OtelEventManager::new(
         conversation_id,
         config.model.as_str(),
@@ -157,9 +155,7 @@ async fn responses_stream_includes_subagent_header_on_other() {
 
     let conversation_id = ConversationId::new();
     let auth_mode = AuthMode::ChatGPT;
-    let auth_manager = AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
-    let models_manager = Arc::new(ModelsManager::new(auth_manager));
-    let model_family = models_manager.construct_model_family(&config.model, &config);
+    let model_family = ModelsManager::construct_model_family_offline(&config.model, &config);
 
     let otel_event_manager = OtelEventManager::new(
         conversation_id,
@@ -250,16 +246,16 @@ async fn responses_respects_model_family_overrides_from_config() {
     let config = Arc::new(config);
 
     let conversation_id = ConversationId::new();
-    let auth_manager = AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
-    let models_manager = Arc::new(ModelsManager::new(auth_manager.clone()));
-    let model_family = models_manager.construct_model_family(&config.model, &config);
+    let auth_mode =
+        AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key")).get_auth_mode();
+    let model_family = ModelsManager::construct_model_family_offline(&config.model, &config);
     let otel_event_manager = OtelEventManager::new(
         conversation_id,
         config.model.as_str(),
         model_family.slug.as_str(),
         None,
         Some("test@test.com".to_string()),
-        auth_manager.get_auth_mode(),
+        auth_mode,
         false,
         "test".to_string(),
     );

codex-rs/core/tests/suite/client.rs

@@ -1015,11 +1015,9 @@ async fn azure_responses_request_includes_store_and_reasoning_ids() {
     let effort = config.model_reasoning_effort;
     let summary = config.model_reasoning_summary;
     let config = Arc::new(config);
-
+    let model_family = ModelsManager::construct_model_family_offline(&config.model, &config);
     let conversation_id = ConversationId::new();
     let auth_manager = AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
-    let models_manager = Arc::new(ModelsManager::new(auth_manager.clone()));
-    let model_family = models_manager.construct_model_family(&config.model, &config);
     let otel_event_manager = OtelEventManager::new(
         conversation_id,
         config.model.as_str(),

codex-rs/core/tests/suite/prompt_caching.rs

@@ -137,6 +137,7 @@ async fn prompt_tools_are_consistent_across_requests() -> anyhow::Result<()> {
     let base_instructions = conversation_manager
         .get_models_manager()
         .construct_model_family(&config.model, &config)
+        .await
         .base_instructions
         .clone();
 

codex-rs/tui/Cargo.toml

@@ -105,6 +105,7 @@ arboard = { workspace = true }
 
 
 [dev-dependencies]
+codex-core = { workspace = true, features = ["test-support"] }
 assert_matches = { workspace = true }
 chrono = { workspace = true, features = ["serde"] }
 insta = { workspace = true }