validate file part bounds to prevent panic (#1612)

2025-08-05 05:18:50 -05:00
parent 51498c8de4
commit 58e889796c
2 changed files with 15 additions and 5 deletions
--- a/packages/tui/internal/components/chat/messages.go
+++ b/packages/tui/internal/components/chat/messages.go
@@ -303,7 +303,9 @@ func (m *messagesComponent) renderView() tea.Cmd {
 						for _, part := range remainingParts {
 							switch part := part.(type) {
 							case opencode.FilePart:
-								fileParts = append(fileParts, part)
+								if part.Source.Text.Start >= 0 && part.Source.Text.End >= part.Source.Text.Start {
+									fileParts = append(fileParts, part)
+								}
 							}
 						}
 						flexItems := []layout.FlexItem{}