story-kit: merge 301_story_dedicated_token_usage_page_in_web_ui

server/src/matrix/commands.rs

@@ -1194,6 +1194,7 @@ mod tests {
             story_id: story_id.to_string(),
             agent_name: agent_name.to_string(),
             timestamp: ts,
+            model: None,
             usage: make_usage(cost),
         }
     }