docs(bat-019): verification 완료 + batch index 업데이트

472 passed, 0 failed. confirm-batch-verification 팀장 대기.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VHtM5Ws1HKCKQ4JGi6GRb5

docs/batches/index.md

@@ -26,3 +26,4 @@
 | BAT-016 | standard | released | REQ-036, REQ-037, REQ-038 | dcy-006 | [bat-016](./bat-016_20260605_ledger-accounting-consolidation/) |
 | BAT-017 | standard | released | REQ-039, REQ-040, REQ-041, REQ-042 | dcy-007 | [bat-017](./bat-017_20260618_trade-history-and-pnl-api/) |
 | BAT-018 | batch-lite | release-candidate | REQ-043 | dcy-008 | [bat-018](./bat-018_20260625_holdings-cost-basis-endpoint/) |
+| BAT-019 | standard | in-delivery | REQ-044, REQ-045 | dcy-009 | [bat-019](./bat-019_20260627_assets-read-permission-and-daemon-list/) |