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>
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32 lines
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<title>terminal evidence</title>
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<desc>Terminal-style rendering generated from retained command output. Sensitive-looking values are redacted in the visual asset.</desc>
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<circle cx="24" cy="22" r="6" fill="#ff5f57"/>
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<circle cx="44" cy="22" r="6" fill="#febc2e"/>
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<circle cx="64" cy="22" r="6" fill="#28c840"/>
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<text x="92" y="27" fill="#8b949e" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace">terminal evidence</text>
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<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">$ grep -rn "MessagingMetrics" --include=*.java .</tspan></text>
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<text x="24" y="90" 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/src</tspan></text>
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<text x="24" y="112" fill="#8b949e" font-size="13" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">time: 2026-09-01T05:37:18+00:00 · exit 0</tspan></text>
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<line x1="24" y1="126" x2="1176" y2="126" stroke="#30363d"/>
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<text x="24" y="166" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:14: </tspan><tspan x="24" dy="22">private MessagingMetrics metrics(int limit) {</tspan></text>
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<text x="24" y="210" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:15: </tspan><tspan x="24" dy="22"> return new MessagingMetrics(registry, new CardinalityGuard(limit), new MessagingRedactor());</tspan></text>
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<text x="24" y="254" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:26: </tspan><tspan x="24" dy="22"> assertThat(registry.find(MessagingMetrics.PUBLISH_TIMER).timers()).hasSize(1);</tspan></text>
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<text x="24" y="298" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:31: </tspan><tspan x="24" dy="22"> MessagingMetrics metrics = metrics(2);</tspan></text>
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<text x="24" y="342" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:37: </tspan><tspan x="24" dy="22"> assertThat(registry.find(MessagingMetrics.PUBLISH_TIMER).timers())</tspan></text>
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<text x="24" y="386" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:44: </tspan><tspan x="24" dy="22"> MessagingMetrics metrics = metrics(1);</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:54: </tspan><tspan x="24" dy="22"> MessagingMetrics metrics = metrics(10);</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:61: </tspan><tspan x="24" dy="22"> assertThat(registry.find(MessagingMetrics.DELIVERY_TIMER).timer().count())</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:64: </tspan><tspan x="24" dy="22"> assertThat(registry.find(MessagingMetrics.MESSAGE_COUNTER).counter().count())</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:92: </tspan><tspan x="24" dy="22"> MessagingMetrics metrics = metrics(10);</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:98: </tspan><tspan x="24" dy="22"> assertThat(registry.find(MessagingMetrics.BACKLOG_GAUGE).gauge().value()).isEqualTo(40.0);</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingMetricCardinalityTest.java:103: </tspan><tspan x="24" dy="22"> MessagingMetrics metrics = metrics(10);</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingSecretLeakTest.java:74: Messa</tspan><tspan x="24" dy="22">gingMetrics metrics = new MessagingMetrics(registry, new CardinalityGuard(100), redactor);</tspan></text>
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<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">./messaging/messaging-observability/src/test/java/dev/caskeleton/messaging/observation/MessagingSecretLeakTest.java:105: Mess</tspan><tspan x="24" dy="22">agingMetrics metrics = new MessagingMetrics(registry, new CardinalityGuard(100), redactor);</tspan></text>
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<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">./messaging/messaging-observability/src/main/java/dev/caskeleton/messaging/observation/MessagingMetrics.java:29:public final cla</tspan><tspan x="24" dy="22">ss MessagingMetrics implements MessagingObservation {</tspan></text>
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<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">./messaging/messaging-observability/src/main/java/dev/caskeleton/messaging/observation/MessagingMetrics.java:62: public Messagi</tspan><tspan x="24" dy="22">ngMetrics(</tspan></text>
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