Rename OpenAI models to models manager (#8346)

# External (non-OpenAI) Pull Request Requirements

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https://github.com/openai/codex/blob/main/docs/contributing.md

If your PR conforms to our contribution guidelines, replace this text
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Include a link to a bug report or enhancement request.

codex-rs/tui2/src/app.rs

@@ -32,9 +32,9 @@ use codex_core::config::Config;
 use codex_core::config::edit::ConfigEditsBuilder;
 #[cfg(target_os = "windows")]
 use codex_core::features::Feature;
-use codex_core::openai_models::model_presets::HIDE_GPT_5_1_CODEX_MAX_MIGRATION_PROMPT_CONFIG;
-use codex_core::openai_models::model_presets::HIDE_GPT5_1_MIGRATION_PROMPT_CONFIG;
-use codex_core::openai_models::models_manager::ModelsManager;
+use codex_core::models_manager::manager::ModelsManager;
+use codex_core::models_manager::model_presets::HIDE_GPT_5_1_CODEX_MAX_MIGRATION_PROMPT_CONFIG;
+use codex_core::models_manager::model_presets::HIDE_GPT5_1_MIGRATION_PROMPT_CONFIG;
 use codex_core::protocol::EventMsg;
 use codex_core::protocol::FinalOutput;
 use codex_core::protocol::ListSkillsResponseEvent;
@@ -2233,7 +2233,7 @@ mod tests {
     }
 
     fn all_model_presets() -> Vec<ModelPreset> {
-        codex_core::openai_models::model_presets::all_model_presets().clone()
+        codex_core::models_manager::model_presets::all_model_presets().clone()
     }
 
     #[tokio::test]

codex-rs/tui2/src/chatwidget.rs

@@ -12,8 +12,8 @@ use codex_core::config::ConstraintResult;
 use codex_core::config::types::Notifications;
 use codex_core::git_info::current_branch_name;
 use codex_core::git_info::local_git_branches;
-use codex_core::openai_models::model_family::ModelFamily;
-use codex_core::openai_models::models_manager::ModelsManager;
+use codex_core::models_manager::manager::ModelsManager;
+use codex_core::models_manager::model_family::ModelFamily;
 use codex_core::project_doc::DEFAULT_PROJECT_DOC_FILENAME;
 use codex_core::protocol::AgentMessageDeltaEvent;
 use codex_core::protocol::AgentMessageEvent;

codex-rs/tui2/src/chatwidget/tests.rs

@@ -10,7 +10,7 @@ use codex_core::CodexAuth;
 use codex_core::config::Config;
 use codex_core::config::ConfigBuilder;
 use codex_core::config::Constrained;
-use codex_core::openai_models::models_manager::ModelsManager;
+use codex_core::models_manager::manager::ModelsManager;
 use codex_core::protocol::AgentMessageDeltaEvent;
 use codex_core::protocol::AgentMessageEvent;
 use codex_core::protocol::AgentReasoningDeltaEvent;

codex-rs/tui2/src/history_cell.rs

@@ -1517,7 +1517,7 @@ mod tests {
     use codex_core::config::ConfigBuilder;
     use codex_core::config::types::McpServerConfig;
     use codex_core::config::types::McpServerTransportConfig;
-    use codex_core::openai_models::models_manager::ModelsManager;
+    use codex_core::models_manager::manager::ModelsManager;
     use codex_core::protocol::McpAuthStatus;
     use codex_protocol::parse_command::ParsedCommand;
     use dirs::home_dir;

codex-rs/tui2/src/status/card.rs

@@ -7,7 +7,7 @@ use chrono::DateTime;
 use chrono::Local;
 use codex_common::create_config_summary_entries;
 use codex_core::config::Config;
-use codex_core::openai_models::model_family::ModelFamily;
+use codex_core::models_manager::model_family::ModelFamily;
 use codex_core::protocol::NetworkAccess;
 use codex_core::protocol::SandboxPolicy;
 use codex_core::protocol::TokenUsage;

codex-rs/tui2/src/status/tests.rs

@@ -7,8 +7,8 @@ use chrono::Utc;
 use codex_core::AuthManager;
 use codex_core::config::Config;
 use codex_core::config::ConfigBuilder;
-use codex_core::openai_models::model_family::ModelFamily;
-use codex_core::openai_models::models_manager::ModelsManager;
+use codex_core::models_manager::manager::ModelsManager;
+use codex_core::models_manager::model_family::ModelFamily;
 use codex_core::protocol::CreditsSnapshot;
 use codex_core::protocol::RateLimitSnapshot;
 use codex_core::protocol::RateLimitWindow;