fix: Add missing created_at field in SessionSummary tests

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

Author: Cortex Dev

cortex-tui/src/interactive/builders/resume_picker.rs

@@ -152,6 +152,7 @@ mod tests {
             id: id.to_string(),
             title: title.to_string(),
             message_count: 5,
+            created_at: Utc::now() - Duration::hours(hours_ago),
             updated_at: Utc::now() - Duration::hours(hours_ago),
             archived: false,
             provider: "anthropic".to_string(),

cortex-tui/src/interactive/builders/sessions.rs

@@ -74,6 +74,7 @@ mod tests {
             id: id.to_string(),
             title: title.to_string(),
             message_count: 5,
+            created_at: Utc::now(),
             updated_at: Utc::now(),
             archived: false,
             provider: "test".to_string(),