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document-haness/docs/clean-architecture-backend-template/final/evidence/rendered/tl-kafka-dedup-drift.svg
T
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="396" viewBox="0 0 1200 396" 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="394" 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">$ echo &#x27;--- code: KafkaMessagingTransport.CAPABILITIES (record order, 10th = deduplicatedPublish)&#x27;
sed -n &#x27;62,64p&#x27; src/messaging/messaging-kafka/src/main/java/dev/caskeleton/messaging/kafka/KafkaMessagingTransport.java
echo
echo &#x27;--- doc: docs/messaging/support-matrix.md&#x27;
grep -n &#x27;deduplicatedPublish&#x27; docs/messaging/support-matrix.md
echo
echo &#x27;--- the flag the code enforces, and the only one it refuses on&#x27;
grep -rn &#x27;deduplicatedPublish()&#x27; --include=*.java src/messaging/*/src/main | sed &#x27;s|src/messaging/||&#x27;</text>
<text x="24" y="92" fill="#8b949e" font-size="13" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace">cwd: /shared/codebase/clean-architecture-backend-template</text>
<text x="24" y="116" fill="#8b949e" font-size="13" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace">time: 2026-08-31T00:39:38+00:00 · exit 0</text>
<line x1="24" y1="130" x2="1176" y2="130" stroke="#30363d"/>
<text x="24" y="170" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve">--- code: KafkaMessagingTransport.CAPABILITIES (record order, 10th = deduplicatedPublish)</text>
<text x="24" y="192" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"> private static final MessagingCapabilities CAPABILITIES =</text>
<text x="24" y="214" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"> new MessagingCapabilities(</text>
<text x="24" y="236" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"> true, true, true, true, true, true, true, false, true, false, false, true);</text>
<text x="24" y="258" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"></text>
<text x="24" y="280" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve">--- doc: docs/messaging/support-matrix.md</text>
<text x="24" y="302" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve">55:| deduplicatedPublish | O | X | X | X | O |</text>
<text x="24" y="324" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"></text>
<text x="24" y="346" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve">--- the flag the code enforces, and the only one it refuses on</text>
<text x="24" y="368" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve">messaging-runtime-core/src/main/java/dev/caskeleton/messaging/runtime/DefaultMessagePublisher.java:250: &amp;&amp; !transport.capabilities(profile.name()).capabilities().deduplicatedPublish()) {</text>
</svg>