diff --git a/codex-rs/tui/src/app.rs b/codex-rs/tui/src/app.rs
index 066a428d6d..5d591dbeea 100644
--- a/codex-rs/tui/src/app.rs
+++ b/codex-rs/tui/src/app.rs
@@ -4219,7 +4219,11 @@ impl App {
         app_server: &mut AppServerSession,
         event: TuiEvent,
     ) -> Result<AppRunControl> {
-        if matches!(event, TuiEvent::Draw) {
+        let is_resize = matches!(event, TuiEvent::Resize);
+        if is_resize {
+            tui.force_full_repaint();
+        }
+        if matches!(event, TuiEvent::Draw | TuiEvent::Resize) {
             self.handle_draw_pre_render(tui)?;
         }
 
@@ -4238,7 +4242,7 @@ impl App {
                     let pasted = pasted.replace("\r", "\n");
                     self.chat_widget.handle_paste(pasted);
                 }
-                TuiEvent::Draw => {
+                TuiEvent::Draw | TuiEvent::Resize => {
                     if self.backtrack_render_pending {
                         self.backtrack_render_pending = false;
                         self.render_transcript_once(tui);
diff --git a/codex-rs/tui/src/app_backtrack.rs b/codex-rs/tui/src/app_backtrack.rs
index 2852fbc379..09029e1673 100644
--- a/codex-rs/tui/src/app_backtrack.rs
+++ b/codex-rs/tui/src/app_backtrack.rs
@@ -363,7 +363,7 @@ impl App {
     /// source of truth for the active cell and its cache invalidation key, and because `App` owns
     /// overlay lifecycle and frame scheduling for animations.
     fn overlay_forward_event(&mut self, tui: &mut tui::Tui, event: TuiEvent) -> Result<()> {
-        if let TuiEvent::Draw = &event
+        if matches!(&event, TuiEvent::Draw | TuiEvent::Resize)
             && let Some(Overlay::Transcript(t)) = &mut self.overlay
         {
             let active_key = self.chat_widget.active_cell_transcript_key();
diff --git a/codex-rs/tui/src/cwd_prompt.rs b/codex-rs/tui/src/cwd_prompt.rs
index 0dace9c7b6..264fa39c79 100644
--- a/codex-rs/tui/src/cwd_prompt.rs
+++ b/codex-rs/tui/src/cwd_prompt.rs
@@ -97,7 +97,7 @@ pub(crate) async fn run_cwd_selection_prompt(
             match event {
                 TuiEvent::Key(key_event) => screen.handle_key(key_event),
                 TuiEvent::Paste(_) => {}
-                TuiEvent::Draw => {
+                TuiEvent::Draw | TuiEvent::Resize => {
                     tui.draw(u16::MAX, |frame| {
                         frame.render_widget_ref(&screen, frame.area());
                     })?;
diff --git a/codex-rs/tui/src/model_migration.rs b/codex-rs/tui/src/model_migration.rs
index 1b2de5ecfd..c307abb78f 100644
--- a/codex-rs/tui/src/model_migration.rs
+++ b/codex-rs/tui/src/model_migration.rs
@@ -153,7 +153,7 @@ pub(crate) async fn run_model_migration_prompt(
             match event {
                 TuiEvent::Key(key_event) => screen.handle_key(key_event),
                 TuiEvent::Paste(_) => {}
-                TuiEvent::Draw => {
+                TuiEvent::Draw | TuiEvent::Resize => {
                     let _ = alt.tui.draw(u16::MAX, |frame| {
                         frame.render_widget_ref(&screen, frame.area());
                     });
diff --git a/codex-rs/tui/src/onboarding/onboarding_screen.rs b/codex-rs/tui/src/onboarding/onboarding_screen.rs
index ae74691f0d..0353092ed9 100644
--- a/codex-rs/tui/src/onboarding/onboarding_screen.rs
+++ b/codex-rs/tui/src/onboarding/onboarding_screen.rs
@@ -474,7 +474,7 @@ pub(crate) async fn run_onboarding_app(
                         TuiEvent::Paste(text) => {
                             onboarding_screen.handle_paste(text);
                         }
-                        TuiEvent::Draw => {
+                        TuiEvent::Draw | TuiEvent::Resize => {
                             if !did_full_clear_after_success
                                 && onboarding_screen.steps.iter().any(|step| {
                                     if let Step::Auth(w) = step {
diff --git a/codex-rs/tui/src/pager_overlay.rs b/codex-rs/tui/src/pager_overlay.rs
index e00e45c5c0..9fe0e3916e 100644
--- a/codex-rs/tui/src/pager_overlay.rs
+++ b/codex-rs/tui/src/pager_overlay.rs
@@ -743,7 +743,7 @@ impl TranscriptOverlay {
                 }
                 other => self.view.handle_key_event(tui, other),
             },
-            TuiEvent::Draw => {
+            TuiEvent::Draw | TuiEvent::Resize => {
                 tui.draw(u16::MAX, |frame| {
                     self.render(frame.area(), frame.buffer);
                 })?;
@@ -807,7 +807,7 @@ impl StaticOverlay {
                 }
                 other => self.view.handle_key_event(tui, other),
             },
-            TuiEvent::Draw => {
+            TuiEvent::Draw | TuiEvent::Resize => {
                 tui.draw(u16::MAX, |frame| {
                     self.render(frame.area(), frame.buffer);
                 })?;
diff --git a/codex-rs/tui/src/resume_picker.rs b/codex-rs/tui/src/resume_picker.rs
index 53f33bfb0e..4ab7c5e61a 100644
--- a/codex-rs/tui/src/resume_picker.rs
+++ b/codex-rs/tui/src/resume_picker.rs
@@ -288,7 +288,7 @@ async fn run_session_picker_with_loader(
                             return Ok(sel);
                         }
                     }
-                    TuiEvent::Draw => {
+                    TuiEvent::Draw | TuiEvent::Resize => {
                         if let Ok(size) = alt.tui.terminal.size() {
                             let list_height = size.height.saturating_sub(4) as usize;
                             state.update_view_rows(list_height);
diff --git a/codex-rs/tui/src/tui.rs b/codex-rs/tui/src/tui.rs
index 5e7f1bef25..c3c1845f03 100644
--- a/codex-rs/tui/src/tui.rs
+++ b/codex-rs/tui/src/tui.rs
@@ -274,6 +274,7 @@ fn set_panic_hook() {
 pub enum TuiEvent {
     Key(KeyEvent),
     Paste(String),
+    Resize,
     Draw,
 }
 
@@ -294,6 +295,7 @@ pub struct Tui {
     notification_backend: Option<DesktopNotificationBackend>,
     notification_condition: NotificationCondition,
     is_zellij: bool,
+    force_full_repaint: bool,
     // When false, enter_alt_screen() becomes a no-op (for Zellij scrollback support)
     alt_screen_enabled: bool,
 }
@@ -329,6 +331,7 @@ impl Tui {
             notification_backend: Some(detect_backend(NotificationMethod::default())),
             notification_condition: NotificationCondition::default(),
             is_zellij,
+            force_full_repaint: false,
             alt_screen_enabled: true,
         }
     }
@@ -351,6 +354,10 @@ impl Tui {
         self.frame_requester.clone()
     }
 
+    pub(crate) fn force_full_repaint(&mut self) {
+        self.force_full_repaint = true;
+    }
+
     pub fn enhanced_keys_supported(&self) -> bool {
         self.enhanced_keys_supported
     }
@@ -591,9 +598,18 @@ impl Tui {
             .suspend_context
             .prepare_resume_action(&mut self.terminal, &mut self.alt_saved_viewport);
 
+        let force_full_repaint = self.force_full_repaint;
+        self.force_full_repaint = false;
+
         // Precompute any viewport updates that need a cursor-position query before entering
-        // the synchronized update, to avoid racing with the event reader.
-        let mut pending_viewport_area = self.pending_viewport_area()?;
+        // the synchronized update, to avoid racing with the event reader. Explicit resize
+        // events skip this heuristic because xterm.js can report stale cursor positions while
+        // a blurred split pane is being resized rapidly.
+        let mut pending_viewport_area = if force_full_repaint {
+            None
+        } else {
+            self.pending_viewport_area()?
+        };
 
         stdout().sync_update(|_| {
             #[cfg(unix)]
@@ -615,6 +631,11 @@ impl Tui {
                 self.is_zellij,
             )?;
 
+            if force_full_repaint {
+                terminal.clear()?;
+                needs_full_repaint = true;
+            }
+
             if needs_full_repaint {
                 terminal.invalidate_viewport();
             }
diff --git a/codex-rs/tui/src/tui/event_stream.rs b/codex-rs/tui/src/tui/event_stream.rs
index 2ce0aa7d2c..dcc6e17e0e 100644
--- a/codex-rs/tui/src/tui/event_stream.rs
+++ b/codex-rs/tui/src/tui/event_stream.rs
@@ -244,7 +244,7 @@ impl<S: EventSource + Default + Unpin> TuiEventStream<S> {
                 }
                 Some(TuiEvent::Key(key_event))
             }
-            Event::Resize(_, _) => Some(TuiEvent::Draw),
+            Event::Resize(_, _) => Some(TuiEvent::Resize),
             Event::Paste(pasted) => Some(TuiEvent::Paste(pasted)),
             Event::FocusGained => {
                 self.terminal_focused.store(true, Ordering::Relaxed);
@@ -451,6 +451,17 @@ mod tests {
         assert!(matches!(first, Some(TuiEvent::Draw)));
     }
 
+    #[tokio::test(flavor = "current_thread")]
+    async fn resize_event_maps_to_resize() {
+        let (broker, handle, _draw_tx, draw_rx, terminal_focused) = setup();
+        let mut stream = make_stream(broker, draw_rx, terminal_focused);
+
+        handle.send(Ok(Event::Resize(80, 24)));
+
+        let next = stream.next().await;
+        assert!(matches!(next, Some(TuiEvent::Resize)));
+    }
+
     #[tokio::test(flavor = "current_thread")]
     async fn error_or_eof_ends_stream() {
         let (broker, handle, _draw_tx, draw_rx, terminal_focused) = setup();
diff --git a/codex-rs/tui/src/update_prompt.rs b/codex-rs/tui/src/update_prompt.rs
index 43ee0dbd40..c8b567a8c5 100644
--- a/codex-rs/tui/src/update_prompt.rs
+++ b/codex-rs/tui/src/update_prompt.rs
@@ -57,7 +57,7 @@ pub(crate) async fn run_update_prompt_if_needed(
             match event {
                 TuiEvent::Key(key_event) => screen.handle_key(key_event),
                 TuiEvent::Paste(_) => {}
-                TuiEvent::Draw => {
+                TuiEvent::Draw | TuiEvent::Resize => {
                     tui.draw(u16::MAX, |frame| {
                         frame.render_widget_ref(&screen, frame.area());
                     })?;