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document-haness/docs/clean-architecture-backend-template/tech-log-studio/state-machines-and-ownership/concept/concept-messaging-policy-c09.md
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DongHyeonkaandClaude Opus 5 b2963105a8 docs(keycloak-session-store): import the session-storage lab as a new project
The keycloak project ended with four open questions that design could not
settle. A two-VM lab was built to answer them by measurement, and this is
that material: 26 experiments, 125 raw command outputs, 22 browser captures.

Follows the import procedure in README.md.

  source/     the originating repository verbatim — 78 documents, 28 SVGs,
              8 manifests, plus .source-revision recording the commit
  final/      the SSOT
    document.md   729 lines written from the 29 experiment documents, not
                  concatenated: what was predicted, what was measured, and
                  where the measurement itself was wrong
    evidence/raw    125 outputs, flattened to <experiment>__<file> because
                    the originals collided (01-baseline.txt appeared three
                    times) and the audit only globs the top level
    evidence/meta   one per raw file; command and exitCode are null and the
                    README says why rather than inventing them
    evidence/browser  22 captures
    assets/       three diagrams through techviz
    .techviz/     their VizSpecs

A separate project rather than an addition to keycloak: the B-layer answers
that project's four questions, but the A, C and D layers are about cluster
failure, SSO and operations, and one document.md should hold one subject.
The four question records there can point here through 관계.

Recorded rather than papered over: only three of the 28 diagrams were
remade. The repository forbids hand-drawn SVG and forbids titles inside the
canvas; all 28 originals carry both, so converting them is redrawing, not
reformatting. They stay in source/ and the gap is written into the document.

verify-pipeline.py passes. audit-records.py reports no issues.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-04 22:51:59 +09:00

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---
kind: CONCEPT
slug: messaging-policy-c09
title: 반납이 획득보다 많으면 제한이 사라진다
topic: state-machines-and-ownership
project: clean-architecture-backend-template
status: 게시 전
sourceRevision: 21234e38cdb9a926cbc92bb97a2aee2e4a7d2916
rootTreeNode: concept:messaging-policy-c09
evidenceCapturedOn: 2026-09-01
assets:
- key: messaging-policy-c09
file: ../../../final/evidence/rendered/messaging-policy-c09.svg
evidence:
- ../../../final/evidence/raw/messaging-policy-c09.txt
source:
- 원본 분석 절은 analysis/messaging/messaging-policy.md#L700 이다.
module: messaging-policy
---
# 반납이 획득보다 많으면 제한이 사라진다
이 leaf의 주석은 이전 결함보다 왜 이 형태여야 하는가를 더 많이 적는다. 이전 상태를 직접 서술하는 것은 셋이다.
## 관계
- **구성 오류는 한 예외 타입과 안정 코드로 보고한다**
같은 분석 리프에서 끌어낸 규칙이다.
- **저장소 밖 문서를 절 번호로 인용하지 않는다**
같은 분석 리프에서 끌어낸 규칙이다.
- **부팅 경로의 알고리즘 복잡도는 문서화한다**
같은 분석 리프에서 끌어낸 규칙이다.
## 본문
<!-- body:start -->
이 leaf의 주석은 이전 결함보다 **왜 이 형태여야 하는가**를 더 많이 적는다. 그중 이전 상태를 직접 서술하는 것은 셋이다.
## GracefulShutdownCoordinator 참조 위치
:::evidence key="messaging-policy-c09" alt="코드베이스에서 GracefulShutdownCoordinator 를 검색한 출력 14줄. 이 기록이 세는 참조가 그 출력에 그대로 보인다." caption="GracefulShutdownCoordinator 코드베이스 검색 — 14줄 · exit 0" zoom="true"
:::
## 세 번째와 다섯 번째가 같은 형태다
**반납이 획득보다 많으면 제한이 사라진다.** `messaging-transport-spi``GracefulShutdownCoordinator.endWork` clamp와 `DefaultMessagingRuntimeRegistry`의 "정확히 한 번 close"도 같은 계열이고, 그 leaf §13이 소유한다. 저장소 전체에서 반복되는 주제다.
<!-- body:end -->