Add user command event types (#6246)

adding new user command event, logic in TUI to render user command
events

codex-rs/tui/src/exec_cell/render.rs

@@ -317,7 +317,13 @@ impl ExecCell {
             Some(false) => "•".red().bold(),
             None => spinner(call.start_time),
         };
-        let title = if self.is_active() { "Running" } else { "Ran" };
+        let title = if self.is_active() {
+            "Running"
+        } else if call.is_user_shell_command {
+            "You ran"
+        } else {
+            "Ran"
+        };
 
         let mut header_line =
             Line::from(vec![bullet.clone(), " ".into(), title.bold(), " ".into()]);