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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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<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="1448" viewBox="0 0 1200 1448" role="img">
<title>terminal evidence</title>
<desc>Terminal-style rendering generated from retained command output. Sensitive-looking values are redacted in the visual asset.</desc>
<rect x="1" y="1" width="1198" height="1446" rx="14" fill="#0d1117" stroke="#30363d"/>
<rect x="1" y="1" width="1198" height="44" rx="14" fill="#161b22"/>
<rect x="1" y="30" width="1198" height="14" fill="#161b22"/>
<circle cx="24" cy="22" r="6" fill="#ff5f57"/>
<circle cx="44" cy="22" r="6" fill="#febc2e"/>
<circle cx="64" cy="22" r="6" fill="#28c840"/>
<text x="92" y="27" fill="#8b949e" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace">terminal evidence</text>
<text x="24" y="68" fill="#c9d1d9" font-size="15" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">$ set -e
set -o pipefail
M=src/adapter/outbound/messaging
echo &quot;# 같은 주장을 하는 두 자리&quot;
sed -n &quot;34,38p&quot; $M/README.md</tspan><tspan x="24" dy="22">
sed -n &quot;5,7p&quot; $M/src/main/java/dev/caskeleton/adapter/outbound/messaging/outbox/OutboxEnvelopeJson.java
echo
echo &quot;# 그</tspan><tspan x="24" dy="22"> 라이브러리를 끌어오는 선언&quot;
grep -n &quot;starter-json\|json-schema-validator&quot; $M/build.gradle | head -3 | sed &quot;s/^/ /&quot;
e</tspan><tspan x="24" dy="22">cho
echo &quot;# 같은 build 파일의 검증 태스크가 요구하는 것&quot;
sed -n &quot;51,53p&quot; $M/build.gradle
echo
echo &quot;# 리프 main 에서 그 </tspan><tspan x="24" dy="22">라이브러리를 쓰는 곳&quot;
grep -rn &quot;tools\.jackson\.databind&quot; --include=*.java $M/src/main | sed &quot;s|.*/messaging/| |&quot;
ech</tspan><tspan x="24" dy="22">o
echo &quot;# 그중 봉투를 만드는 쪽&quot;
grep -n &quot;&quot; $M/src/main/java/dev/caskeleton/adapter/outbound/messaging/realtime/Realtime</tspan><tspan x="24" dy="22">FanoutEnvelopeJson.java | sed -n &quot;24,25p;30,32p&quot;
echo
echo &quot;# 그 봉투와 그것을 부르는 어댑터를 조립하는 곳&quot;
printf &quot; </tspan><tspan x="24" dy="22">RealtimeFanoutEnvelopeJson 을 자기 파일 밖에서 부르는 곳 : %s\n&quot; \
&quot;$(grep -rn &#x27;RealtimeFanoutEnvelopeJson&#x27; --include=</tspan><tspan x="24" dy="22">*.java src | grep -vc &#x27;RealtimeFanoutEnvelopeJson.java&#x27;)&quot;
printf &quot; MessagingDurableFanoutAdapter 를 자기 파일 밖에서 </tspan><tspan x="24" dy="22">부르는 곳 : %s\n&quot; \
&quot;$(grep -rn &#x27;MessagingDurableFanoutAdapter&#x27; --include=*.java src | grep -vc &#x27;MessagingDurableFanou</tspan><tspan x="24" dy="22">tAdapter.java&#x27;)&quot;
echo
echo &quot;# 잠금 파일의 관련 좌표&quot;
grep -nE &quot;jackson-databind|com\.fasterxml\.jackson\.core&quot; $M/gradle</tspan><tspan x="24" dy="22">.lockfile | sed &quot;s/^/ /&quot;</tspan></text>
<text x="24" y="332" fill="#8b949e" font-size="13" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">cwd: /shared/codebase/clean-architecture-backend-template</tspan></text>
<text x="24" y="354" fill="#8b949e" font-size="13" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">time: 2026-09-02T14:34:11+00:00 · exit 0</tspan></text>
<line x1="24" y1="368" x2="1176" y2="368" stroke="#30363d"/>
<text x="24" y="408" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 같은 주장을 하는 두 자리</tspan></text>
<text x="24" y="430" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">## OutboxEnvelopeJson — 손수 짠 JSON</tspan></text>
<text x="24" y="452" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="474" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">이 모듈은 `jackson-databind` 를 classpath 에 두지 않아(스켈레톤을 가볍게 유지) outbox envelope</tspan></text>
<text x="24" y="496" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">직렬화는 의존성 없는 손수 짠 JSON 이다.</tspan></text>
<text x="24" y="518" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="540" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">/**</tspan></text>
<text x="24" y="562" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> * Hand-rolled, dependency-free JSON serialiser for the outbox envelope (no Jackson — the module</tspan></text>
<text x="24" y="584" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> * deliberately keeps {@code jackson-databind} off its classpath).</tspan></text>
<text x="24" y="606" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="628" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 그 라이브러리를 끌어오는 선언</tspan></text>
<text x="24" y="650" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> 8: implementation &#x27;org.springframework.boot:spring-boot-starter-json&#x27;</tspan></text>
<text x="24" y="672" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> 9: implementation(&#x27;com.networknt:json-schema-validator:3.0.2&#x27;) {</tspan></text>
<text x="24" y="694" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> 51: &#x27;com.networknt:json-schema-validator:3.0.2&#x27;,</tspan></text>
<text x="24" y="716" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="738" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 같은 build 파일의 검증 태스크가 요구하는 것</tspan></text>
<text x="24" y="760" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> &#x27;com.networknt:json-schema-validator:3.0.2&#x27;,</tspan></text>
<text x="24" y="782" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> &#x27;tools.jackson.core:jackson-core:3.0.2&#x27;,</tspan></text>
<text x="24" y="804" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> &#x27;tools.jackson.core:jackson-databind:3.0.2&#x27;</tspan></text>
<text x="24" y="826" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="848" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 리프 main 에서 그 라이브러리를 쓰는 곳</tspan></text>
<text x="24" y="870" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> realtime/RealtimeFanoutEnvelopeJson.java:5:import tools.jackson.databind.ObjectMapper;</tspan></text>
<text x="24" y="892" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> realtime/RealtimeFanoutEnvelopeJson.java:6:import tools.jackson.databind.json.JsonMapper;</tspan></text>
<text x="24" y="914" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> realtime/RealtimeFanoutEnvelopeJson.java:7:import tools.jackson.databind.node.ObjectNode;</tspan></text>
<text x="24" y="936" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> realtime/RealtimeFanoutEnvelopeJson.java:71: private static String text(tools.jackson.databind.JsonNode root, String field)</tspan><tspan x="24" dy="22"> {</tspan></text>
<text x="24" y="980" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> envelope/LocalJsonSchemaRegistry.java:33:import tools.jackson.databind.DeserializationFeature;</tspan></text>
<text x="24" y="1002" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> envelope/LocalJsonSchemaRegistry.java:34:import tools.jackson.databind.JsonNode;</tspan></text>
<text x="24" y="1024" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> envelope/LocalJsonSchemaRegistry.java:35:import tools.jackson.databind.ObjectMapper;</tspan></text>
<text x="24" y="1046" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> envelope/LocalJsonSchemaRegistry.java:36:import tools.jackson.databind.json.JsonMapper;</tspan></text>
<text x="24" y="1068" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="1090" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 그중 봉투를 만드는 쪽</tspan></text>
<text x="24" y="1112" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">24: private static final String VERSION = &quot;1&quot;;</tspan></text>
<text x="24" y="1134" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">25: private static final ObjectMapper MAPPER = JsonMapper.builder().build();</tspan></text>
<text x="24" y="1156" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">30: public static String toJson(DurableFanoutRecord record) {</tspan></text>
<text x="24" y="1178" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">31: Objects.requireNonNull(record, &quot;record must not be null&quot;);</tspan></text>
<text x="24" y="1200" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">32: ObjectNode root = MAPPER.createObjectNode();</tspan></text>
<text x="24" y="1222" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="1244" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 그 봉투와 그것을 부르는 어댑터를 조립하는 곳</tspan></text>
<text x="24" y="1266" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> RealtimeFanoutEnvelopeJson 을 자기 파일 밖에서 부르는 곳 : 1</tspan></text>
<text x="24" y="1288" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> MessagingDurableFanoutAdapter 를 자기 파일 밖에서 부르는 곳 : 0</tspan></text>
<text x="24" y="1310" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="1332" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 잠금 파일의 관련 좌표</tspan></text>
<text x="24" y="1354" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> 8:com.fasterxml.jackson.core:jackson-annotations:2.21=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClas</tspan><tspan x="24" dy="22">spath</tspan></text>
<text x="24" y="1398" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> 150:tools.jackson.core:jackson-databind:3.1.5=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath</tspan></text>
</svg>
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