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Deliver BAT-005: KIS token Redis cache (REQ-016, minor-change)

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Port the trex-orbit Redis token-cache pattern so the KIS access token
survives daemon restarts and is shared across processes, avoiding KIS
token-issuance rate limits. KISBroker._ensure_token now resolves L1
in-memory -> L2 cache -> issue, storing issued tokens back to the cache.

- adapters/broker/token_cache.py: TokenCache protocol + RedisTokenCache
  (key trex:broker:kis:{account_ref}:token, token+expiry+app_key suffix
  JSON, ex=ttl, best-effort with graceful fallback) + InMemoryTokenCache.
- kis.py: optional token_cache injection.
- runtime config/daemon: TREX_KIS_REDIS_URL wires a RedisTokenCache.
- pyproject: redis>=5.

Verification: 96 passed, ruff clean — cache hit avoids issuance, cache is
shared across instances (restart/multi-process survival), backend errors
fall back to issuance (no regression), and app_key-suffix mismatch
invalidates a stale cache. Tested deterministically with an in-memory
double (no Redis server required). Processed via the minor-change fast
path: REQ-016 -> Implemented, BAT-005 (batch-lite) -> release-candidate.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
genichin
2026-06-04 18:44:09 +09:00
co-authored by Claude Opus 4.8
parent 97d58318db
commit ac6061f510
13 changed files with 475 additions and 3 deletions
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docs/srs/index.md
+4 -3
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@@ -74,7 +74,7 @@
## Next Requirement ID
- Current: `REQ-016`
- Current: `REQ-017`
- Rule: `Requirement Register`에 있는 가장 큰 REQ 번호보다 정확히 1 커야 한다.
## Requirement Register
@@ -96,11 +96,12 @@
| REQ-013 | 주문 집행 루프 (claim·송신·체결·롤백) | Integration | Implemented | High | project maintainers | [req-013](./Integration/req-013_order-execution-loop.md) |
| REQ-014 | 주문 핸드오프 durability + reconciliation | Exception | Implemented | High | project maintainers | [req-014](./Exception/req-014_order-handoff-durability-reconciliation.md) |
| REQ-015 | 브로커/집행 baseline 문서 정합 | Documentation | Implemented | Medium | project maintainers | [req-015](./Documentation/req-015_broker-execution-baseline-alignment.md) |
| REQ-016 | KIS 인증 토큰 Redis 캐시 | Integration | Implemented | Medium | project maintainers | [req-016](./Integration/req-016_kis-token-redis-cache.md) |
## Recent Change Log Summary
- 2026-06-04 :: REQ-016 생성 + Approved — KIS 토큰 Redis 캐시 (minor-change). (draft-req/confirm-req)
- 2026-06-04 :: REQ-011~015 Approved → Implemented — BAT-004 verification evidence 기반. (confirm-req-implemented)
- 2026-06-04 :: REQ-011~015 Proposed → Approved — 승인 게이트 통과. (confirm-req)
- 2026-06-04 :: REQ-011~015 최초 생성(Proposed) — dcy-003 FR-1~FR-6 분해. (draft-req)
- 2026-06-04 :: REQ-010 Approved → Implemented — BAT-003 verification evidence 기반. (confirm-req-implemented)
- 2026-06-04 :: REQ-010 생성 + Approved — 데몬 .env 로딩 (minor-change). (draft-req/confirm-req)
- 2026-06-04 :: REQ-010 Approved → Implemented — BAT-003 verification evidence 기반. (confirm-req-implemented)