Add agent context compaction

src/app/view/chat.rs

@@ -56,6 +56,20 @@ impl App {
                 );
             } else {
                 let markdown_style = markdown::Style::from_palette(app_theme().palette());
+                if let Some(summary) = self.compaction_summary() {
+                    messages = messages.push(
+                        container(
+                            column![
+                                text("Compacted task state").size(11),
+                                text(summary).size(13).color(muted_text()),
+                            ]
+                            .spacing(5),
+                        )
+                        .padding(14)
+                        .width(Length::Fill)
+                        .style(preference_group_style),
+                    );
+                }
                 for (index, message) in self.conversation.iter().enumerate() {
                     let label = if message.user {
                         "You"
@@ -113,7 +127,9 @@ impl App {
                             );
                         }
                     } else if active && message.reasoning.is_none() {
-                        body = body.push(text("Loading model…").size(14));
+                        body = body.push(
+                            text(self.activity.as_deref().unwrap_or("Loading model…")).size(14),
+                        );
                     }
                     if !message.user && !message.tool {
                         for summary in