docs(rel-008): draft + confirm — 호가단위 스냅(#28) + 운영 관측성(#29) 통합 릴리즈

BAT-044/045/046(release-candidate)를 REL-008(app-service)로 묶음.
배포 전 준비 근거(운영자 확인용) 표 기록 — 537 passed/47 skipped, ruff clean,
DB 스키마 무변경(롤백 무손실), 호가단위 케이스·로깅·주문결과·거부ERROR·실현PnL
단위 검증. confirm-release: draft → confirmed (Recorded By: Justin Ko).

실 운영 배포 + #28/#29 close 는 capture-release-feedback 단계.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

docs/releases/index.md

@@ -15,3 +15,4 @@
 | REL-005 | app-service | feedback-captured | BAT-024, BAT-025 | dcy-016 후속/issue #17 (operator enter --forced-close-at) + dcy-019/issue #18 (slot entry_count + closed 슬롯 재할당) — 통합 릴리즈 | [rel-005](rel-005_20260609_operator-forced-close-and-slot-reallocation.md) |
 | REL-006 | app-service | feedback-captured | BAT-026, BAT-027, BAT-028, BAT-029, BAT-030, BAT-031, BAT-032, BAT-033, BAT-034, BAT-035, BAT-036 | dcy-020 (자산 중심 영구 슬롯 α~δ cutover) + dcy-021 (포지션 사이징/issue #1·#5) + dcy-022 (실행 정책/issue #21) + dcy-023 (allocated_capital 제거/issue #22) + dcy-024 (safety_sell_enabled/issue #15) + dcy-025 (slots.req 교체·REQ-028 Deprecated) + REQ-048·010 CHG (config-dir) + REQ-032 CHG (enter --qty/issue #23) — 통합 릴리즈 | [rel-006](rel-006_20260611_asset-centric-sizing-execution-policy.md) |
 | REL-007 | app-service | feedback-captured | BAT-037, BAT-038, BAT-039, BAT-040, BAT-041 | dcy-025 (REQ-073 CHG — available_slots hint) + dcy-026/issue #24 (매도세 정정) + issue #4 (paper seq Redis) + issue #25 (slots RPC DB 필터) + dcy-027/issue #20 (중장기 인스턴스 프로파일) — 통합 릴리즈 | [rel-007](rel-007_20260612_slots-rpc-fee-paper-longterm.md) |
+| REL-008 | app-service | confirmed | BAT-044, BAT-045, BAT-046 | dcy-030/issue #28 (호가단위 스냅, P0 체결 복구) + dcy-029/issue #29 (운영 관측성 — 구조화 로깅·주문결과·거부ERROR·reason+actor·PnL CLI·런북) — 통합 릴리즈 | [rel-008](rel-008_20260616_tick-snap-and-observability.md) |