diff --git a/CLAUDE.md b/CLAUDE.md
index ce515e4e..361b0bb2 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -208,6 +208,16 @@ All endpoints prefixed with `/api/`:
 | `GET /collection/latest/{ticker}` | Latest snapshots for ticker |
 | `POST /collection/run` | Start new collection run (async) |
 
+### Collection Run Status Values
+| Status | Meaning | UI Badge | Transitions |
+|--------|---------|----------|------------|
+| `running` | Collection in progress | <span class="badge bg-warning">진행 중</span> | → completed or failed |
+| `completed` | Collection finished successfully | <span class="badge bg-success">완료</span> | (final) |
+| `failed` | Collection failed (errors recorded) | <span class="badge bg-danger">실패</span> | (final) |
+| `pending` | Queued, not yet started | <span class="badge bg-secondary">대기 중</span> | → running |
+
+UI: `Pages/Admin/Collection/Index.cshtml` — status 값에 따라 배지 색상 결정
+
 ## KIS API Client Security (Phase 2)
 
 ### Governance Enforcement