diff --git a/.story_kit/work/1_backlog/300_story_show_token_cost_badge_on_pipeline_board_work_items.md b/.story_kit/work/1_backlog/300_story_show_token_cost_badge_on_pipeline_board_work_items.md
index a751443..8a67331 100644
--- a/.story_kit/work/1_backlog/300_story_show_token_cost_badge_on_pipeline_board_work_items.md
+++ b/.story_kit/work/1_backlog/300_story_show_token_cost_badge_on_pipeline_board_work_items.md
@@ -14,6 +14,7 @@ As a project owner viewing the pipeline board, I want to see the total token cos
 - [ ] Cost is fetched from the token_usage.jsonl data via a new API endpoint
 - [ ] Items with no recorded usage show no badge (not $0.00)
 - [ ] Cost updates when the pipeline refreshes (e.g. after an agent completes)
+- [ ] Expanded work item detail panel shows per-agent cost breakdown (coder, QA, mergemaster) with token counts
 
 ## Out of Scope