Make tool error results visually distinct with red border

- Change tool result border color to red when displaying errors - Keep green border for successful results - Improve visual distinction between error and success states 🤖 Generated with termai Co-Authored-By: termai <noreply@termai.io>

Author: kujtimiihoxha

internal/tui/components/repl/messages.go

@@ -221,11 +221,15 @@ func (m *messagesCmp) renderMessageWithToolCall(content string, tools []message.
 Bold(true).
 Foreground(styles.Green).
 Render(fmt.Sprintf("%s Result", styles.CheckIcon))
+
+// Use the same style for both header and border if it's an error
+borderColor := styles.Green
 if result.IsError {
 resultHeader = lipgloss.NewStyle().
 Bold(true).
 Foreground(styles.Red).
 Render(fmt.Sprintf("%s Error", styles.ErrorIcon))
+borderColor = styles.Red
 }
 
 truncate := 200
@@ -235,7 +239,7 @@ func (m *messagesCmp) renderMessageWithToolCall(content string, tools []message.
 }
 
 resultContent := lipgloss.JoinVertical(lipgloss.Left, resultHeader, content)
-return toolResultStyle.Render(resultContent)
+return toolResultStyle.BorderForeground(borderColor).Render(resultContent)
 }
 
 connector := connectorStyle.Render("└─> Tool Calls:")