fix(tui/history): dim mid-turn assistant output

code-rs/tui/src/colors.rs

@@ -285,6 +285,20 @@ pub(crate) fn assistant_bg() -> Color {
     }
 }
 
+/// Background for mid-turn assistant messages.
+///
+/// Uses a lighter tint than `assistant_bg` so progress inserts feel secondary.
+pub(crate) fn assistant_mid_turn_bg() -> Color {
+    match palette_mode() {
+        PaletteMode::Ansi16 => assistant_bg(),
+        PaletteMode::Ansi256 => {
+            let bg = current_theme().background;
+            let info = current_theme().info;
+            mix_toward(bg, info, 0.02)
+        }
+    }
+}
+
 /// Background for multiline code blocks rendered in assistant markdown.
 ///
 /// New behavior: match the assistant message background so code cards feel

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

@@ -101,7 +101,11 @@ impl AssistantMarkdownCell {
         buf: &mut Buffer,
         skip_rows: u16,
     ) {
-        let cell_bg = crate::colors::assistant_bg();
+        let cell_bg = if self.state.mid_turn {
+            crate::colors::assistant_mid_turn_bg()
+        } else {
+            crate::colors::assistant_bg()
+        };
         let bg_style = Style::default().bg(cell_bg);
         fill_rect(buf, area, Some(' '), bg_style);
 
@@ -173,7 +177,11 @@ impl AssistantMarkdownCell {
 
                     let temp_area = Rect::new(0, 0, card_w, full_height);
                     let mut temp_buf = Buffer::empty(temp_area);
-                    let code_bg = crate::colors::code_block_bg();
+                    let code_bg = if self.state.mid_turn {
+                        cell_bg
+                    } else {
+                        crate::colors::code_block_bg()
+                    };
                     let blk = Block::default()
                         .borders(Borders::ALL)
                         .border_style(Style::default().fg(crate::colors::border()))
@@ -323,9 +331,13 @@ pub(crate) fn assistant_markdown_lines_with_context(
         cwd,
         !state.mid_turn,
     );
-    let bright = crate::colors::text_bright();
+    let fg = if state.mid_turn {
+        crate::colors::text_mid()
+    } else {
+        crate::colors::text_bright()
+    };
     for line in out.iter_mut().skip(1) {
-        line.style = line.style.patch(Style::default().fg(bright));
+        line.style = line.style.patch(Style::default().fg(fg));
     }
     out.into_iter().skip(1).collect()
 }