feat(slot): slot entry_count + closed-slot reallocation (dcy-019, BAT-025) + REL-005

dcy-019/issue #18: slot 자원을 진입 횟수 기준으로 고르게 재사용하고 idle 소진 시
closed 슬롯을 직접 재할당한다. 거버넌스는 전부 change-req(신규 REQ 없음).

- 도메인(REQ-002): Slot.entry_count(기본 0) + EXPECTED_SLOT_FIELDS, 상태 머신
  closed→pending_buy 신규 전이(base 8→9, ALLOWED_TRANSITIONS 14→15),
  _apply_transition_fields closed→pending_buy clean-slate + →pending_buy 시 +1
- 영속화(REQ-006): 멱등 마이그레이션 008(entry_count), flat 매핑,
  find_allocatable_slot(idle∪closed, entry_count→updated_at→slot_id) + in-memory 동등
- admission(REQ-007): _admit_buy find_idle_slot→find_allocatable_slot + from_state=slot.status
- 테스트(REQ-003): 전이 카운트/계약 가드 정합 + test_slot_entry_count.py / test_buy_admission_reallocation.py
- 문서(REQ-009): data-model.md / runtime-flows.md 정합
- 기존 daily_symbol_entries(symbol-scoped) 분리·미변경

BAT-025(release-candidate) delivery + change-req REQ-002/003/006/007/009(CHG-20260609-01).
REL-005(confirmed, app-service): BAT-024+BAT-025 묶음. operator-facing run-the-app
스모크로 enter --forced-close-at(BAT-024)·closed 재할당(BAT-025) 실 데몬 검증
(실 PG 마이그레이션 008 round-trip 포함).

검증: 단위 366 passed / 35 skipped(KIS sandbox 1건 deselect — live .env 환경 의존), ruff clean.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-06-09 14:49:22 +09:00
co-authored by Claude Opus 4.8
parent 941d324899
commit 6e8e79660c
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| BAT-022 | standard | released | REQ-028 (CHG-20260608-01), REQ-032 (CHG-20260608-03) | dcy-016 | [bat-022](./bat-022_20260608_slot-state-snapshot-visibility/) |
| BAT-023 | standard | released | REQ-017 (CHG-20260608-02), REQ-019 (CHG-20260608-02), REQ-029 (CHG-20260608-01), REQ-030 (CHG-20260608-01, Approved→Implemented) | dcy-018 | [bat-023](./bat-023_20260608_ledger-cash-position-writeback-option-d/) |
| BAT-024 | batch-lite | release-candidate | REQ-032 (CHG-20260609-01) | dcy-016 (issue #17) | [bat-024](./bat-024_20260609_operator-enter-forced-close-at/) |
| BAT-025 | standard | release-candidate | REQ-002 (CHG-20260609-01), REQ-003 (CHG-20260609-01), REQ-006 (CHG-20260609-01), REQ-007 (CHG-20260609-01), REQ-009 (CHG-20260609-01) | dcy-019 (issue #18) | [bat-025](./bat-025_20260609_slot-entry-count-and-closed-reallocation/) |