docs: Add Collection run status value definitions to CLAUDE.md

Define standard status values for collection runs: running, completed, failed, pending
Map each status to UI badge colors for consistency across Collection admin pages

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

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