diff --git a/codex-rs/cloud-tasks-client/src/api.rs b/codex-rs/cloud-tasks-client/src/api.rs
index c5e92bb4a9..d301bcf6c5 100644
--- a/codex-rs/cloud-tasks-client/src/api.rs
+++ b/codex-rs/cloud-tasks-client/src/api.rs
@@ -49,22 +49,17 @@ pub struct TaskSummary {
     pub attempt_total: Option<usize>,
 }
 
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
 pub enum AttemptStatus {
     Pending,
     InProgress,
     Completed,
     Failed,
     Cancelled,
+    #[default]
     Unknown,
 }
 
-impl Default for AttemptStatus {
-    fn default() -> Self {
-        AttemptStatus::Unknown
-    }
-}
-
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct TurnAttempt {
     pub turn_id: String,
diff --git a/codex-rs/cloud-tasks-client/src/http.rs b/codex-rs/cloud-tasks-client/src/http.rs
index 467fa98eb0..f4dab55d9e 100644
--- a/codex-rs/cloud-tasks-client/src/http.rs
+++ b/codex-rs/cloud-tasks-client/src/http.rs
@@ -271,7 +271,6 @@ impl CloudBackend for HttpClient {
 
 /// Best-effort extraction of assistant text messages from a raw `get_task_details` body.
 /// Falls back to worklog messages when structured turns are not present.
-
 impl HttpClient {
     async fn apply_with_diff(
         &self,
@@ -395,9 +394,8 @@ stderr_tail=
             let _ = writeln!(
                 &mut log,
                 "----- PATCH BEGIN -----
-{}
------ PATCH END -----",
-                diff
+{diff}
+----- PATCH END -----"
             );
             append_error_log(&log);
         }
@@ -491,10 +489,10 @@ fn extract_diff_from_turn(turn: &HashMap<String, Value>) -> Option<String> {
     for item in items {
         match item.get("type").and_then(Value::as_str) {
             Some("output_diff") => {
-                if let Some(diff) = item.get("diff").and_then(Value::as_str) {
-                    if !diff.is_empty() {
-                        return Some(diff.to_string());
-                    }
+                if let Some(diff) = item.get("diff").and_then(Value::as_str)
+                    && !diff.is_empty()
+                {
+                    return Some(diff.to_string());
                 }
             }
             Some("pr") => {
@@ -503,10 +501,9 @@ fn extract_diff_from_turn(turn: &HashMap<String, Value>) -> Option<String> {
                     .and_then(Value::as_object)
                     .and_then(|od| od.get("diff"))
                     .and_then(Value::as_str)
+                    && !diff.is_empty()
                 {
-                    if !diff.is_empty() {
-                        return Some(diff.to_string());
-                    }
+                    return Some(diff.to_string());
                 }
             }
             _ => {}
@@ -526,29 +523,28 @@ fn extract_assistant_messages_from_turn(turn: &HashMap<String, Value>) -> Vec<St
                 for part in content {
                     if part.get("content_type").and_then(Value::as_str) == Some("text")
                         && let Some(txt) = part.get("text").and_then(Value::as_str)
+                        && !txt.is_empty()
                     {
-                        if !txt.is_empty() {
-                            msgs.push(txt.to_string());
-                        }
+                        msgs.push(txt.to_string());
                     }
                 }
             }
         }
     }
-    if msgs.is_empty() {
-        if let Some(err) = turn.get("error").and_then(Value::as_object) {
-            let message = err.get("message").and_then(Value::as_str).unwrap_or("");
-            let code = err.get("code").and_then(Value::as_str).unwrap_or("");
-            if !message.is_empty() || !code.is_empty() {
-                let text = if !code.is_empty() && !message.is_empty() {
-                    format!("{code}: {message}")
-                } else if !code.is_empty() {
-                    code.to_string()
-                } else {
-                    message.to_string()
-                };
-                msgs.push(format!("Task failed: {text}"));
-            }
+    if msgs.is_empty()
+        && let Some(err) = turn.get("error").and_then(Value::as_object)
+    {
+        let message = err.get("message").and_then(Value::as_str).unwrap_or("");
+        let code = err.get("code").and_then(Value::as_str).unwrap_or("");
+        if !message.is_empty() || !code.is_empty() {
+            let text = if !code.is_empty() && !message.is_empty() {
+                format!("{code}: {message}")
+            } else if !code.is_empty() {
+                code.to_string()
+            } else {
+                message.to_string()
+            };
+            msgs.push(format!("Task failed: {text}"));
         }
     }
     msgs
@@ -648,7 +644,7 @@ fn map_task_list_item_to_summary(src: backend::TaskListItem) -> TaskSummary {
         is_review: src
             .pull_requests
             .as_ref()
-            .map_or(false, |prs| !prs.is_empty()),
+            .is_some_and(|prs| !prs.is_empty()),
         attempt_total: attempt_total_from_status_display(src.task_status_display.as_ref()),
     }
 }
diff --git a/codex-rs/cloud-tasks-client/src/lib.rs b/codex-rs/cloud-tasks-client/src/lib.rs
index 6f13fc26cb..ba830e72f0 100644
--- a/codex-rs/cloud-tasks-client/src/lib.rs
+++ b/codex-rs/cloud-tasks-client/src/lib.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 mod api;
 
 pub use api::ApplyOutcome;
diff --git a/codex-rs/cloud-tasks/src/app.rs b/codex-rs/cloud-tasks/src/app.rs
index 1223bb17f5..07f4c221b9 100644
--- a/codex-rs/cloud-tasks/src/app.rs
+++ b/codex-rs/cloud-tasks/src/app.rs
@@ -187,7 +187,7 @@ impl DiffOverlay {
         if self.attempts.is_empty() {
             self.attempts.push(AttemptView::default());
         }
-        self.attempts.get_mut(0).expect("base attempt present")
+        &mut self.attempts[0]
     }
 
     pub fn set_view(&mut self, view: DetailView) {
diff --git a/codex-rs/cloud-tasks/src/bin/conncheck.rs b/codex-rs/cloud-tasks/src/bin/conncheck.rs
index 411b7908d0..44817891b2 100644
--- a/codex-rs/cloud-tasks/src/bin/conncheck.rs
+++ b/codex-rs/cloud-tasks/src/bin/conncheck.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 use codex_backend_client::Client as BackendClient;
 use codex_cloud_tasks::util::extract_chatgpt_account_id;
 use codex_cloud_tasks::util::normalize_base_url;
diff --git a/codex-rs/cloud-tasks/src/bin/detailcheck.rs b/codex-rs/cloud-tasks/src/bin/detailcheck.rs
index a392b55f68..a62a8f150b 100644
--- a/codex-rs/cloud-tasks/src/bin/detailcheck.rs
+++ b/codex-rs/cloud-tasks/src/bin/detailcheck.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 use codex_backend_client::Client as BackendClient;
 use codex_core::config::find_codex_home;
 use codex_core::default_client::get_codex_user_agent;
diff --git a/codex-rs/cloud-tasks/src/bin/envcheck.rs b/codex-rs/cloud-tasks/src/bin/envcheck.rs
index 911267204d..30218944e1 100644
--- a/codex-rs/cloud-tasks/src/bin/envcheck.rs
+++ b/codex-rs/cloud-tasks/src/bin/envcheck.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 use base64::Engine;
 use clap::Parser;
 use codex_core::config::find_codex_home;
diff --git a/codex-rs/cloud-tasks/src/bin/newtask.rs b/codex-rs/cloud-tasks/src/bin/newtask.rs
index be6a0c5667..c44703d7ea 100644
--- a/codex-rs/cloud-tasks/src/bin/newtask.rs
+++ b/codex-rs/cloud-tasks/src/bin/newtask.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 use base64::Engine;
 use clap::Parser;
 use codex_core::config::find_codex_home;
diff --git a/codex-rs/cloud-tasks/src/lib.rs b/codex-rs/cloud-tasks/src/lib.rs
index 2257e6672c..45c553212d 100644
--- a/codex-rs/cloud-tasks/src/lib.rs
+++ b/codex-rs/cloud-tasks/src/lib.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 mod app;
 mod cli;
 pub mod env_detect;
diff --git a/codex-rs/cloud-tasks/src/ui.rs b/codex-rs/cloud-tasks/src/ui.rs
index ef9a270855..c369491bc8 100644
--- a/codex-rs/cloud-tasks/src/ui.rs
+++ b/codex-rs/cloud-tasks/src/ui.rs
@@ -343,8 +343,7 @@ fn draw_diff_overlay(frame: &mut Frame, area: Rect, app: &mut App) {
     let mut content_area = content_full;
     if let Some(ov) = app.diff_overlay.as_mut() {
         let has_text = ov.current_attempt().is_some_and(AttemptView::has_text);
-        let has_diff =
-            ov.current_attempt().is_some_and(AttemptView::has_diff) || ov.base_can_apply;
+        let has_diff = ov.current_attempt().is_some_and(AttemptView::has_diff) || ov.base_can_apply;
         if has_diff || has_text {
             let rows = Layout::default()
                 .direction(Direction::Vertical)
@@ -381,15 +380,15 @@ fn draw_diff_overlay(frame: &mut Frame, area: Rect, app: &mut App) {
                 } else {
                     Some(ov.attempts.len())
                 }
-            })
-                && total > 1 {
-                    spans.extend(vec![
-                        "  ".into(),
-                        format!("Attempt {}/{}", ov.selected_attempt + 1, total).dim(),
-                        "  ".into(),
-                        "(Tab/Shift-Tab or [ ] to cycle attempts)".dim(),
-                    ]);
-                }
+            }) && total > 1
+            {
+                spans.extend(vec![
+                    "  ".into(),
+                    format!("Attempt {}/{}", ov.selected_attempt + 1, total).dim(),
+                    "  ".into(),
+                    "(Tab/Shift-Tab or [ ] to cycle attempts)".dim(),
+                ]);
+            }
             frame.render_widget(Paragraph::new(Line::from(spans)), rows[0]);
             ov.sd.set_width(rows[1].width);
             ov.sd.set_viewport(rows[1].height);
diff --git a/codex-rs/cloud-tasks/tests/env_filter.rs b/codex-rs/cloud-tasks/tests/env_filter.rs
index 74908f915e..8c737c6c28 100644
--- a/codex-rs/cloud-tasks/tests/env_filter.rs
+++ b/codex-rs/cloud-tasks/tests/env_filter.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 use codex_cloud_tasks_client::CloudBackend;
 use codex_cloud_tasks_client::MockClient;
 
diff --git a/codex-rs/git-apply/src/lib.rs b/codex-rs/git-apply/src/lib.rs
index d4fac0f6f0..4db271ff1f 100644
--- a/codex-rs/git-apply/src/lib.rs
+++ b/codex-rs/git-apply/src/lib.rs
@@ -1,5 +1,3 @@
-#![deny(clippy::unwrap_used, clippy::expect_used)]
-
 use once_cell::sync::Lazy;
 use regex::Regex;
 use std::ffi::OsStr;