chore(config) Default Personality Pragmatic (#10705)

## Summary
Switch back to Pragmatic personality

## Testing
- [x] Updated unit tests

codex-rs/app-server/tests/suite/v2/thread_resume.rs

@@ -403,7 +403,7 @@ async fn thread_resume_accepts_personality_override() -> Result<()> {
         .send_thread_resume_request(ThreadResumeParams {
             thread_id: thread.id.clone(),
             model: Some("gpt-5.2-codex".to_string()),
-            personality: Some(Personality::Pragmatic),
+            personality: Some(Personality::Friendly),
             ..Default::default()
         })
         .await?;

codex-rs/app-server/tests/suite/v2/turn_start.rs

@@ -455,7 +455,7 @@ async fn turn_start_accepts_personality_override_v2() -> Result<()> {
                 text: "Hello".to_string(),
                 text_elements: Vec::new(),
             }],
-            personality: Some(Personality::Pragmatic),
+            personality: Some(Personality::Friendly),
             ..Default::default()
         })
         .await?;
@@ -560,7 +560,7 @@ async fn turn_start_change_personality_mid_thread_v2() -> Result<()> {
                 text: "Hello again".to_string(),
                 text_elements: Vec::new(),
             }],
-            personality: Some(Personality::Pragmatic),
+            personality: Some(Personality::Friendly),
             ..Default::default()
         })
         .await?;

codex-rs/core/src/config/mod.rs

@@ -1550,7 +1550,7 @@ impl Config {
             .or_else(|| {
                 features
                     .enabled(Feature::Personality)
-                    .then_some(Personality::Friendly)
+                    .then_some(Personality::Pragmatic)
             });
 
         let experimental_compact_prompt_path = config_profile
@@ -3870,7 +3870,7 @@ model_verbosity = "high"
                 model_reasoning_summary: ReasoningSummary::Detailed,
                 model_supports_reasoning_summaries: None,
                 model_verbosity: None,
-                personality: Some(Personality::Friendly),
+                personality: Some(Personality::Pragmatic),
                 chatgpt_base_url: "https://chatgpt.com/backend-api/".to_string(),
                 base_instructions: None,
                 developer_instructions: None,
@@ -3956,7 +3956,7 @@ model_verbosity = "high"
             model_reasoning_summary: ReasoningSummary::default(),
             model_supports_reasoning_summaries: None,
             model_verbosity: None,
-            personality: Some(Personality::Friendly),
+            personality: Some(Personality::Pragmatic),
             chatgpt_base_url: "https://chatgpt.com/backend-api/".to_string(),
             base_instructions: None,
             developer_instructions: None,
@@ -4057,7 +4057,7 @@ model_verbosity = "high"
             model_reasoning_summary: ReasoningSummary::default(),
             model_supports_reasoning_summaries: None,
             model_verbosity: None,
-            personality: Some(Personality::Friendly),
+            personality: Some(Personality::Pragmatic),
             chatgpt_base_url: "https://chatgpt.com/backend-api/".to_string(),
             base_instructions: None,
             developer_instructions: None,
@@ -4144,7 +4144,7 @@ model_verbosity = "high"
             model_reasoning_summary: ReasoningSummary::Detailed,
             model_supports_reasoning_summaries: None,
             model_verbosity: Some(Verbosity::High),
-            personality: Some(Personality::Friendly),
+            personality: Some(Personality::Pragmatic),
             chatgpt_base_url: "https://chatgpt.com/backend-api/".to_string(),
             base_instructions: None,
             developer_instructions: None,

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

@@ -233,7 +233,7 @@ async fn config_personality_none_sends_no_personality() -> anyhow::Result<()> {
 }
 
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn default_personality_is_friendly_without_config_toml() -> anyhow::Result<()> {
+async fn default_personality_is_pragmatic_without_config_toml() -> anyhow::Result<()> {
     skip_if_no_network!(Ok(()));
 
     let server = start_mock_server().await;
@@ -269,7 +269,7 @@ async fn default_personality_is_friendly_without_config_toml() -> anyhow::Result
     let request = resp_mock.single_request();
     let instructions_text = request.instructions_text();
     assert!(
-        instructions_text.contains(LOCAL_FRIENDLY_TEMPLATE),
+        instructions_text.contains(LOCAL_PRAGMATIC_TEMPLATE),
         "expected default friendly template, got: {instructions_text:?}"
     );
 
@@ -324,7 +324,7 @@ async fn user_turn_personality_some_adds_update_message() -> anyhow::Result<()>
             effort: None,
             summary: None,
             collaboration_mode: None,
-            personality: Some(Personality::Pragmatic),
+            personality: Some(Personality::Friendly),
         })
         .await?;
 
@@ -365,7 +365,7 @@ async fn user_turn_personality_some_adds_update_message() -> anyhow::Result<()>
         "expected personality update preamble, got {personality_text:?}"
     );
     assert!(
-        personality_text.contains(LOCAL_PRAGMATIC_TEMPLATE),
+        personality_text.contains(LOCAL_FRIENDLY_TEMPLATE),
         "expected personality update to include the local pragmatic template, got: {personality_text:?}"
     );
 
@@ -902,7 +902,7 @@ async fn user_turn_personality_remote_model_template_includes_update_message() -
             effort: None,
             summary: None,
             collaboration_mode: None,
-            personality: Some(Personality::Pragmatic),
+            personality: Some(Personality::Friendly),
         })
         .await?;
 
@@ -942,7 +942,7 @@ async fn user_turn_personality_remote_model_template_includes_update_message() -
         "expected personality update preamble, got {personality_text:?}"
     );
     assert!(
-        personality_text.contains(remote_pragmatic_message),
+        personality_text.contains(remote_friendly_message),
         "expected personality update to include remote template, got: {personality_text:?}"
     );
 

codex-rs/tui/src/chatwidget/snapshots/codex_tui__chatwidget__tests__personality_selection_popup.snap

@@ -5,7 +5,7 @@ expression: popup
   Select Personality
   Choose a communication style for Codex. Disable in /experimental.
 
-› 1. Friendly (current)  Warm, collaborative, and helpful.
-  2. Pragmatic           Concise, task-focused, and direct.
+  1. Friendly             Warm, collaborative, and helpful.
+› 2. Pragmatic (current)  Concise, task-focused, and direct.
 
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