refactor: Improve comfy_table usage and consistency

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/modes/list.rs

@@ -62,12 +62,13 @@ pub fn mode_list(
     debug!("Terminal width: {}", term_width);
 
     let mut table = Table::new();
-    if stdout().is_terminal() {
-        table
-            .load_preset(UTF8_FULL)
-            .apply_modifier(UTF8_ROUND_CORNERS);
-    } else {
-        table.set_content_arrangement(ContentArrangement::Dynamic);
+    table
+        .load_preset(UTF8_FULL)
+        .apply_modifier(UTF8_ROUND_CORNERS)
+        .set_content_arrangement(ContentArrangement::Dynamic);
+    
+    if !stdout().is_terminal() {
+        table.force_no_tty();
     }
 
     // Create header row