diff --git a/ui-gpui/src/components/project_box.rs b/ui-gpui/src/components/project_box.rs
index 11ae3f3..f049366 100644
--- a/ui-gpui/src/components/project_box.rs
+++ b/ui-gpui/src/components/project_box.rs
@@ -261,9 +261,12 @@ impl Render for ProjectBox {
                             .rounded(px(2.0))
                             .bg(accent),
                     )
-                    // Status dot — reads from shared BlinkState (doesn't dirty ancestors)
+                    // Status dot — BlinkState shared entity (2 renders/sec, 3% CPU)
+                    // NOTE: GPUI's AnimationElement uses request_animation_frame() which
+                    // runs at vsync (60fps) = 80% CPU. Fragment shaders not exposed.
+                    // The Zed BlinkManager pattern (timer + notify at 2fps) is the
+                    // correct approach for ambient animation in GPUI.
                     .child({
-                        let is_running = matches!(self.project.agent.status, AgentStatus::Running);
                         let blink_visible = self.blink_state.as_ref()
                             .map(|bs| bs.read(cx).visible)
                             .unwrap_or(true);