consolidate reasoning enums into one (#2428)

We have three enums for each of reasoning summaries and reasoning effort
with same values. They can be consolidated into one.

codex-rs/core/src/client.rs

@@ -29,8 +29,6 @@ use crate::client_common::ResponseStream;
 use crate::client_common::ResponsesApiRequest;
 use crate::client_common::create_reasoning_param_for_request;
 use crate::config::Config;
-use crate::config_types::ReasoningEffort as ReasoningEffortConfig;
-use crate::config_types::ReasoningSummary as ReasoningSummaryConfig;
 use crate::error::CodexErr;
 use crate::error::Result;
 use crate::error::UsageLimitReachedError;
@@ -42,6 +40,8 @@ use crate::openai_tools::create_tools_json_for_responses_api;
 use crate::protocol::TokenUsage;
 use crate::user_agent::get_codex_user_agent;
 use crate::util::backoff;
+use codex_protocol::config_types::ReasoningEffort as ReasoningEffortConfig;
+use codex_protocol::config_types::ReasoningSummary as ReasoningSummaryConfig;
 use std::sync::Arc;
 
 #[derive(Debug, Deserialize)]

codex-rs/core/src/client_common.rs

@@ -1,5 +1,3 @@
-use crate::config_types::ReasoningEffort as ReasoningEffortConfig;
-use crate::config_types::ReasoningSummary as ReasoningSummaryConfig;
 use crate::error::Result;
 use crate::model_family::ModelFamily;
 use crate::models::ContentItem;
@@ -7,6 +5,8 @@ use crate::models::ResponseItem;
 use crate::openai_tools::OpenAiTool;
 use crate::protocol::TokenUsage;
 use codex_apply_patch::APPLY_PATCH_TOOL_INSTRUCTIONS;
+use codex_protocol::config_types::ReasoningEffort as ReasoningEffortConfig;
+use codex_protocol::config_types::ReasoningSummary as ReasoningSummaryConfig;
 use futures::Stream;
 use serde::Serialize;
 use std::borrow::Cow;
@@ -85,55 +85,8 @@ pub enum ResponseEvent {
 
 #[derive(Debug, Serialize)]
 pub(crate) struct Reasoning {
-    pub(crate) effort: OpenAiReasoningEffort,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub(crate) summary: Option<OpenAiReasoningSummary>,
-}
-
-/// See https://platform.openai.com/docs/guides/reasoning?api-mode=responses#get-started-with-reasoning
-#[derive(Debug, Serialize, Default, Clone, Copy)]
-#[serde(rename_all = "lowercase")]
-pub(crate) enum OpenAiReasoningEffort {
-    Minimal,
-    Low,
-    #[default]
-    Medium,
-    High,
-}
-
-impl From<ReasoningEffortConfig> for Option<OpenAiReasoningEffort> {
-    fn from(effort: ReasoningEffortConfig) -> Self {
-        match effort {
-            ReasoningEffortConfig::Minimal => Some(OpenAiReasoningEffort::Minimal),
-            ReasoningEffortConfig::Low => Some(OpenAiReasoningEffort::Low),
-            ReasoningEffortConfig::Medium => Some(OpenAiReasoningEffort::Medium),
-            ReasoningEffortConfig::High => Some(OpenAiReasoningEffort::High),
-            ReasoningEffortConfig::None => None,
-        }
-    }
-}
-
-/// A summary of the reasoning performed by the model. This can be useful for
-/// debugging and understanding the model's reasoning process.
-/// See https://platform.openai.com/docs/guides/reasoning?api-mode=responses#reasoning-summaries
-#[derive(Debug, Serialize, Default, Clone, Copy)]
-#[serde(rename_all = "lowercase")]
-pub(crate) enum OpenAiReasoningSummary {
-    #[default]
-    Auto,
-    Concise,
-    Detailed,
-}
-
-impl From<ReasoningSummaryConfig> for Option<OpenAiReasoningSummary> {
-    fn from(summary: ReasoningSummaryConfig) -> Self {
-        match summary {
-            ReasoningSummaryConfig::Auto => Some(OpenAiReasoningSummary::Auto),
-            ReasoningSummaryConfig::Concise => Some(OpenAiReasoningSummary::Concise),
-            ReasoningSummaryConfig::Detailed => Some(OpenAiReasoningSummary::Detailed),
-            ReasoningSummaryConfig::None => None,
-        }
-    }
+    pub(crate) effort: ReasoningEffortConfig,
+    pub(crate) summary: ReasoningSummaryConfig,
 }
 
 /// Request object that is serialized as JSON and POST'ed when using the
@@ -164,12 +117,7 @@ pub(crate) fn create_reasoning_param_for_request(
     summary: ReasoningSummaryConfig,
 ) -> Option<Reasoning> {
     if model_family.supports_reasoning_summaries {
-        let effort: Option<OpenAiReasoningEffort> = effort.into();
-        let effort = effort?;
-        Some(Reasoning {
-            effort,
-            summary: summary.into(),
-        })
+        Some(Reasoning { effort, summary })
     } else {
         None
     }

codex-rs/core/src/codex.rs

@@ -39,8 +39,6 @@ use crate::client::ModelClient;
 use crate::client_common::Prompt;
 use crate::client_common::ResponseEvent;
 use crate::config::Config;
-use crate::config_types::ReasoningEffort as ReasoningEffortConfig;
-use crate::config_types::ReasoningSummary as ReasoningSummaryConfig;
 use crate::config_types::ShellEnvironmentPolicy;
 use crate::conversation_history::ConversationHistory;
 use crate::environment_context::EnvironmentContext;
@@ -107,6 +105,8 @@ use crate::shell;
 use crate::turn_diff_tracker::TurnDiffTracker;
 use crate::user_notification::UserNotification;
 use crate::util::backoff;
+use codex_protocol::config_types::ReasoningEffort as ReasoningEffortConfig;
+use codex_protocol::config_types::ReasoningSummary as ReasoningSummaryConfig;
 
 // A convenience extension trait for acquiring mutex locks where poisoning is
 // unrecoverable and should abort the program. This avoids scattered `.unwrap()`
@@ -1035,8 +1035,8 @@ async fn submission_loop(
                         Arc::new(per_turn_config),
                         None,
                         provider,
-                        effort.into(),
-                        summary.into(),
+                        effort,
+                        summary,
                         sess.session_id,
                     );
 

codex-rs/core/src/config.rs

@@ -1,8 +1,6 @@
 use crate::config_profile::ConfigProfile;
 use crate::config_types::History;
 use crate::config_types::McpServerConfig;
-use crate::config_types::ReasoningEffort;
-use crate::config_types::ReasoningSummary;
 use crate::config_types::SandboxWorkspaceWrite;
 use crate::config_types::ShellEnvironmentPolicy;
 use crate::config_types::ShellEnvironmentPolicyToml;
@@ -15,6 +13,8 @@ use crate::model_provider_info::built_in_model_providers;
 use crate::openai_model_info::get_model_info;
 use crate::protocol::AskForApproval;
 use crate::protocol::SandboxPolicy;
+use codex_protocol::config_types::ReasoningEffort;
+use codex_protocol::config_types::ReasoningSummary;
 use codex_protocol::config_types::SandboxMode;
 use dirs::home_dir;
 use serde::Deserialize;

codex-rs/core/src/config_profile.rs

@@ -1,9 +1,9 @@
 use serde::Deserialize;
 use std::path::PathBuf;
 
-use crate::config_types::ReasoningEffort;
-use crate::config_types::ReasoningSummary;
 use crate::protocol::AskForApproval;
+use codex_protocol::config_types::ReasoningEffort;
+use codex_protocol::config_types::ReasoningSummary;
 
 /// Collection of common configuration options that a user can define as a unit
 /// in `config.toml`.

codex-rs/core/src/config_types.rs

@@ -5,11 +5,9 @@
 
 use std::collections::HashMap;
 use std::path::PathBuf;
-use strum_macros::Display;
 use wildmatch::WildMatchPattern;
 
 use serde::Deserialize;
-use serde::Serialize;
 
 #[derive(Deserialize, Debug, Clone, PartialEq)]
 pub struct McpServerConfig {
@@ -185,56 +183,3 @@ impl From<ShellEnvironmentPolicyToml> for ShellEnvironmentPolicy {
         }
     }
 }
-
-/// See https://platform.openai.com/docs/guides/reasoning?api-mode=responses#get-started-with-reasoning
-#[derive(Debug, Serialize, Deserialize, Default, Clone, Copy, PartialEq, Eq, Display)]
-#[serde(rename_all = "lowercase")]
-#[strum(serialize_all = "lowercase")]
-pub enum ReasoningEffort {
-    Minimal,
-    Low,
-    #[default]
-    Medium,
-    High,
-    /// Option to disable reasoning.
-    None,
-}
-
-/// A summary of the reasoning performed by the model. This can be useful for
-/// debugging and understanding the model's reasoning process.
-/// See https://platform.openai.com/docs/guides/reasoning?api-mode=responses#reasoning-summaries
-#[derive(Debug, Serialize, Deserialize, Default, Clone, Copy, PartialEq, Eq, Display)]
-#[serde(rename_all = "lowercase")]
-#[strum(serialize_all = "lowercase")]
-pub enum ReasoningSummary {
-    #[default]
-    Auto,
-    Concise,
-    Detailed,
-    /// Option to disable reasoning summaries.
-    None,
-}
-
-// Conversions from protocol enums to core config enums used where protocol
-// values are supplied by clients and core needs its internal representations.
-impl From<codex_protocol::config_types::ReasoningEffort> for ReasoningEffort {
-    fn from(v: codex_protocol::config_types::ReasoningEffort) -> Self {
-        match v {
-            codex_protocol::config_types::ReasoningEffort::Low => ReasoningEffort::Low,
-            codex_protocol::config_types::ReasoningEffort::Medium => ReasoningEffort::Medium,
-            codex_protocol::config_types::ReasoningEffort::High => ReasoningEffort::High,
-            codex_protocol::config_types::ReasoningEffort::None => ReasoningEffort::None,
-        }
-    }
-}
-
-impl From<codex_protocol::config_types::ReasoningSummary> for ReasoningSummary {
-    fn from(v: codex_protocol::config_types::ReasoningSummary) -> Self {
-        match v {
-            codex_protocol::config_types::ReasoningSummary::Auto => ReasoningSummary::Auto,
-            codex_protocol::config_types::ReasoningSummary::Concise => ReasoningSummary::Concise,
-            codex_protocol::config_types::ReasoningSummary::Detailed => ReasoningSummary::Detailed,
-            codex_protocol::config_types::ReasoningSummary::None => ReasoningSummary::None,
-        }
-    }
-}

codex-rs/protocol/src/config_types.rs

@@ -7,6 +7,7 @@ use strum_macros::Display;
 #[serde(rename_all = "lowercase")]
 #[strum(serialize_all = "lowercase")]
 pub enum ReasoningEffort {
+    Minimal,
     Low,
     #[default]
     Medium,