perf: replace agent spinners with static status marks

3 files changed, 6 insertions, 52 deletions

diff --git a/src/app/mod.rs b/src/app/mod.rs
index b2aa4ff2..c8c8113a 100644
--- a/src/app/mod.rs
+++ b/src/app/mod.rs
@@ -33,9 +33,6 @@ use std::sync::Arc;
 use std::time::{Duration, Instant};
 
 const MIN_RENDER_INTERVAL: Duration = Duration::from_millis(16);
-pub(crate) const ANIMATION_INTERVAL: Duration = Duration::from_millis(16);
-pub(crate) const HEADLESS_ANIMATION_INTERVAL: Duration = Duration::from_millis(128);
-pub(crate) const HEADLESS_ANIMATION_TICK_STEP: u32 = 8;
 pub(crate) const SELECTION_AUTOSCROLL_INTERVAL: Duration = Duration::from_millis(30);
 const RESIZE_POLL_INTERVAL: Duration = Duration::from_millis(100);
 const GIT_REMOTE_STATUS_REFRESH_INTERVAL: Duration = Duration::from_millis(1500);
@@ -125,7 +122,6 @@ pub struct App {
     pub(crate) last_pane_click: Option<PaneClickState>,
     pub(crate) pending_url_click_sources: HashSet<InputSourceId>,
     pub(crate) next_resize_poll: Instant,
-    pub(crate) next_animation_tick: Option<Instant>,
     pub(crate) next_auto_update_check: Option<Instant>,
     pub(crate) next_agent_manifest_update_check: Option<Instant>,
     pub(crate) update_version_check_enabled: bool,
@@ -664,7 +660,6 @@ impl App {
             local_sound_playback: true,
             toast_config: config.ui.toast.clone(),
             keybinds: config.keybinds(),
-            spinner_tick: 0,
             palette: theme_palette,
             theme_name,
             theme_runtime,
@@ -753,7 +748,6 @@ impl App {
             last_pane_click: None,
             pending_url_click_sources: HashSet::new(),
             next_resize_poll: Instant::now() + RESIZE_POLL_INTERVAL,
-            next_animation_tick: None,
             next_auto_update_check: version_check_enabled
                 .then_some(Instant::now() + AUTO_UPDATE_CHECK_INTERVAL),
             next_agent_manifest_update_check: manifest_check_enabled
@@ -1046,7 +1040,6 @@ impl App {
             }
 
             let now = Instant::now();
-            self.sync_animation_timer(now);
             self.sync_host_mouse_capture(&mut host_mouse_capture_active)?;
             self.sync_host_keyboard_report_all(&mut host_keyboard_report_all_active)?;
 
@@ -4672,7 +4665,6 @@ mod tests {
         app.next_resize_poll = now - Duration::from_millis(1);
         app.config_diagnostic_deadline = None;
         app.toast_deadline = None;
-        app.next_animation_tick = None;
         app.next_auto_update_check = None;
         app.session_save_deadline = None;
         app.state.workspaces.clear();
@@ -4764,7 +4756,6 @@ mod tests {
         let now = Instant::now();
         app.next_resize_poll = now + Duration::from_millis(300);
         app.selection_autoscroll_deadline = Some(now + Duration::from_millis(5));
-        app.next_animation_tick = Some(now + Duration::from_millis(100));
         app.session_save_deadline = Some(now + Duration::from_millis(200));
         assert_eq!(
             app.next_loop_deadline(now, false),
diff --git a/src/app/runtime.rs b/src/app/runtime.rs
index bd7830b9..ef0a452d 100644
--- a/src/app/runtime.rs
+++ b/src/app/runtime.rs
@@ -1,11 +1,13 @@
-use std::time::{Duration, Instant};
+use std::time::Instant;
+
+#[cfg(test)]
+use std::time::Duration;
 
 use crossterm::terminal;
 
 use super::{
-    background_update_check_enabled, pressed_key_identity, App, ANIMATION_INTERVAL,
-    AUTO_UPDATE_CHECK_INTERVAL, MIN_RENDER_INTERVAL, RESIZE_POLL_INTERVAL,
-    SELECTION_AUTOSCROLL_INTERVAL,
+    background_update_check_enabled, pressed_key_identity, App, AUTO_UPDATE_CHECK_INTERVAL,
+    MIN_RENDER_INTERVAL, RESIZE_POLL_INTERVAL, SELECTION_AUTOSCROLL_INTERVAL,
 };
 fn retain_custom_command_after_wait(
     pid: u32,
@@ -224,8 +226,6 @@ impl App {
         let mut changed = false;
         let mut resized = false;
 
-        self.sync_animation_timer(now);
-
         if now >= self.next_resize_poll {
             resized = self.handle_resize_poll();
             changed |= resized;
@@ -287,15 +287,6 @@ impl App {
         }
 
         if self
-            .next_animation_tick
-            .is_some_and(|deadline| now >= deadline)
-        {
-            self.state.spinner_tick = self.state.spinner_tick.wrapping_add(1);
-            self.next_animation_tick = Some(now + ANIMATION_INTERVAL);
-            changed = true;
-        }
-
-        if self
             .selection_autoscroll_deadline
             .is_some_and(|deadline| now >= deadline)
         {
@@ -336,7 +327,6 @@ impl App {
             self.sync_pending_agent_resume_deadline(now);
             changed |= self.start_pending_agent_resumes(self.pending_agent_resume_due(now));
         }
-        self.sync_animation_timer(now);
         changed
     }
 
@@ -393,29 +383,6 @@ impl App {
         self.sync_agent_metadata_deadline();
     }
 
-    pub(crate) fn sync_animation_timer(&mut self, now: Instant) {
-        self.sync_animation_timer_with_interval(now, ANIMATION_INTERVAL);
-    }
-
-    pub(crate) fn sync_headless_animation_timer(&mut self, now: Instant) {
-        self.sync_animation_timer_with_interval(now, crate::app::HEADLESS_ANIMATION_INTERVAL);
-    }
-
-    fn sync_animation_timer_with_interval(&mut self, now: Instant, interval: Duration) {
-        if self.agent_panel_has_animation() {
-            self.next_animation_tick.get_or_insert(now + interval);
-        } else {
-            self.next_animation_tick = None;
-        }
-    }
-
-    fn agent_panel_has_animation(&self) -> bool {
-        self.state
-            .workspaces
-            .iter()
-            .any(|ws| ws.has_working_pane(&self.state.terminals))
-    }
-
     pub(crate) fn tick_selection_autoscroll(&mut self, now: Instant) {
         let Some(autoscroll) = self.state.selection_autoscroll.clone() else {
             // Self-heal: state cleared but deadline leaked
@@ -568,7 +535,6 @@ impl App {
             self.state.next_pending_agent_notification_deadline(),
             self.state.next_managed_agent_deadline(),
             self.copy_feedback_deadline,
-            self.next_animation_tick,
             include_git_refresh
                 .then(|| self.git_refresh_deadline())
                 .flatten(),
diff --git a/src/app/state.rs b/src/app/state.rs
index 17b3ae4c..67318f02 100644
--- a/src/app/state.rs
+++ b/src/app/state.rs
@@ -1551,8 +1551,6 @@ pub struct AppState {
     pub local_sound_playback: bool,
     pub toast_config: ToastConfig,
     pub keybinds: Keybinds,
-    /// Frame counter for spinner animations (wraps around).
-    pub spinner_tick: u32,
     /// UI color palette — all sidebar/UI colors centralized for theming.
     pub palette: Palette,
     /// Currently applied theme name (for settings UI).
@@ -1920,7 +1918,6 @@ impl AppState {
             local_sound_playback: false,
             toast_config: ToastConfig::default(),
             keybinds: Keybinds::default(),
-            spinner_tick: 0,
             palette: Palette::catppuccin(),
             theme_name: "catppuccin".to_string(),
             theme_runtime: ThemeRuntimeConfig {