fix(tui/intro): fade welcome on typing and keep it hidden

code-rs/tui/src/chatwidget.rs

@@ -7345,7 +7345,15 @@ impl ChatWidget<'_> {
             }
         }
 
+        let composer_was_empty = self.bottom_pane.composer_is_empty();
         let input_result = self.bottom_pane.handle_key_event(key_event);
+        let composer_is_empty = self.bottom_pane.composer_is_empty();
+        if composer_was_empty && !composer_is_empty {
+            for cell in &self.history_cells {
+                cell.trigger_fade();
+            }
+            self.request_redraw();
+        }
         self.auto_sync_goal_escape_state_from_composer();
 
         match input_result {
@@ -7354,6 +7362,9 @@ impl ChatWidget<'_> {
                 let cleaned = Self::strip_context_sections(&text);
                 self.last_user_message = (!cleaned.trim().is_empty()).then_some(cleaned);
                 if self.auto_state.should_show_goal_entry() {
+                    for cell in &self.history_cells {
+                        cell.trigger_fade();
+                    }
                     let trimmed = text.trim();
                     if trimmed.is_empty() {
                         self.bottom_pane.set_task_running(true);

code-rs/tui/src/history_cell/animated.rs

@@ -108,8 +108,6 @@ impl HistoryCell for AnimatedWelcomeCell {
 
         if variant_changed {
             self.variant.set(Some(current_variant));
-            *self.fade_start.borrow_mut() = None;
-            self.faded_out.set(false);
             // Keep `completed` as-is so the intro animation continues when the
             // size adjusts mid-run instead of jumping to the final frame.
         } else if previous_variant.is_none() {