<mxfile host="app.diagrams.net" agent="architecture-deliverables" version="24.0.0">
  <diagram name="Data Architecture — Zones and Ownership" id="08-data-architecture">
    <mxGraphModel dx="1400" dy="900" background="#ffffff" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1500" pageHeight="960" math="0" shadow="0">
      <root>
        <mxCell id="0" />
        <mxCell id="1" parent="0" />
        <mxCell id="_box1" value="Knowledge data platform" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="80" width="1410" height="610" as="geometry" />
        </mxCell>
        <mxCell id="_box2" value="Raw zone — immutable, system of record" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="60" y="110" width="1370" height="120" as="geometry" />
        </mxCell>
        <mxCell id="n.orig" value="&lt;b&gt;Original Files&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;byte-identical&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="460" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.man" value="&lt;b&gt;Ingest Manifest&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;checksum, ACL, source&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="670" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.leg" value="&lt;b&gt;Legal Hold Set&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;retention locked&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="870" y="140" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box3" value="Derived zone — reproducible, disposable" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="60" y="250" width="1370" height="120" as="geometry" />
        </mxCell>
        <mxCell id="n.parsed" value="&lt;b&gt;Parsed Documents&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;layout JSON&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="360" y="280" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.assets" value="&lt;b&gt;Extracted Assets&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;images, tables&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="560" y="280" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.trans" value="&lt;b&gt;Transcripts&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;word timings&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="770" y="280" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.chunks" value="&lt;b&gt;Chunk Records&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;text + provenance&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="970" y="280" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box4" value="Serving zone — query-time, rebuildable" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="60" y="400" width="1370" height="120" as="geometry" />
        </mxCell>
        <mxCell id="n.vec" value="&lt;b&gt;Vector Index&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;per-tenant namespace&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="360" y="430" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.lex" value="&lt;b&gt;Lexical Index&lt;/b&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="560" y="430" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.tab" value="&lt;b&gt;Analytical Tables&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;typed, SQL-queryable&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="770" y="430" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.cache" value="&lt;b&gt;Semantic Cache&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;TTL bound&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="970" y="430" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_box5" value="Operational" style="rounded=1;arcSize=3;whiteSpace=wrap;html=1;fillColor=none;strokeColor=#6c8ebf;dashed=1;dashPattern=8 8;verticalAlign=top;align=left;spacingLeft=12;spacingTop=6;fontSize=11;fontStyle=2;fontColor=#5b7fa6;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="60" y="550" width="1370" height="120" as="geometry" />
        </mxCell>
        <mxCell id="n.meta" value="&lt;b&gt;Metadata DB&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;row-level security&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="460" y="580" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.audit" value="&lt;b&gt;Audit Log&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;write-once&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="670" y="580" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.eval" value="&lt;b&gt;Eval &amp; Feedback Store&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;golden set&lt;/font&gt;" style="shape=cylinder3;boundedLbl=1;backgroundOutline=1;size=11;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontColor=#1e3a1e;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="870" y="580" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.cold" value="&lt;b&gt;Cold Archive&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;glacier class&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#f5f5f5;strokeColor=#8c8c8c;fontColor=#333333;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="560" y="720" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="n.erase" value="&lt;b&gt;Erasure Service&lt;/b&gt;&lt;br&gt;&lt;font style=&quot;font-size:10px;color:#5b6b7d&quot;&gt;subject request&lt;/font&gt;" style="rounded=1;arcSize=8;whiteSpace=wrap;html=1;fillColor=#f5f5f5;strokeColor=#8c8c8c;fontColor=#333333;fontSize=12;fontFamily=Segoe UI;verticalAlign=middle;align=center;" vertex="1" parent="1">
          <mxGeometry x="770" y="720" width="170" height="70" as="geometry" />
        </mxCell>
        <mxCell id="_e6" value="reparse on parser upgrade" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;dashPattern=1 4;endArrow=block;endFill=1;strokeColor=#9673a6;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.orig" target="n.parsed">
          <mxGeometry relative="1" as="geometry" />
        </mxCell>
        <mxCell id="_e7" value="index build" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;dashPattern=1 4;endArrow=block;endFill=1;strokeColor=#9673a6;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.chunks" target="n.vec">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="1060" y="390" />
              <mxPoint x="450" y="390" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="_e8" value="after 90 days" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;dashPattern=1 4;endArrow=block;endFill=1;strokeColor=#9673a6;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.orig" target="n.cold">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="550" y="250" />
              <mxPoint x="340" y="250" />
              <mxPoint x="340" y="690" />
              <mxPoint x="650" y="690" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="_e9" value="tombstone then purge" style="edgeStyle=orthogonalEdgeStyle;rounded=1;html=1;jettySize=auto;orthogonalLoop=1;dashed=1;endArrow=block;endFill=1;strokeColor=#b85450;strokeWidth=1.4;fontSize=10;fontColor=#42536a;labelBackgroundColor=#ffffff;verticalAlign=bottom;fontFamily=Segoe UI;exitX=0.5;exitY=0;exitDx=0;exitDy=0;entryX=0.5;entryY=1;entryDx=0;entryDy=0;" edge="1" parent="1" source="n.erase" target="n.man">
          <mxGeometry relative="1" as="geometry">
            <Array as="points">
              <mxPoint x="860" y="690" />
              <mxPoint x="1160" y="690" />
              <mxPoint x="1160" y="250" />
              <mxPoint x="760" y="250" />
            </Array>
          </mxGeometry>
        </mxCell>
        <mxCell id="title" value="Data Architecture — Zones and Ownership" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=20;fontStyle=1;fontColor=#16202c;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="20" width="1410" height="30" as="geometry" />
        </mxCell>
        <mxCell id="rule" value="" style="line;strokeWidth=1;html=1;strokeColor=#c9d3de;" vertex="1" parent="1">
          <mxGeometry x="40" y="50" width="1410" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg10" value="" style="rounded=1;arcSize=30;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
          <mxGeometry x="40" y="860" width="20" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg11" value="Data store" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="70" y="860" width="70" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg12" value="" style="rounded=1;arcSize=30;html=1;fillColor=#f5f5f5;strokeColor=#8c8c8c;" vertex="1" parent="1">
          <mxGeometry x="160" y="860" width="20" height="10" as="geometry" />
        </mxCell>
        <mxCell id="_lg13" value="External / third party" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="190" y="860" width="130" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg14" value="" style="html=1;endArrow=none;dashed=1;dashPattern=1 4;strokeColor=#9673a6;strokeWidth=1.4;" edge="1" parent="1">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="340" y="870" as="sourcePoint" />
            <mxPoint x="360" y="870" as="targetPoint" />
          </mxGeometry>
        </mxCell>
        <mxCell id="_lg15" value="batch" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="370" y="860" width="40" height="20" as="geometry" />
        </mxCell>
        <mxCell id="_lg16" value="" style="html=1;endArrow=none;dashed=1;strokeColor=#b85450;strokeWidth=1.4;" edge="1" parent="1">
          <mxGeometry relative="1" as="geometry">
            <mxPoint x="430" y="870" as="sourcePoint" />
            <mxPoint x="450" y="870" as="targetPoint" />
          </mxGeometry>
        </mxCell>
        <mxCell id="_lg17" value="failure / alternate" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#7b8794;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="460" y="860" width="110" height="20" as="geometry" />
        </mxCell>
        <mxCell id="note" value="Only the raw zone is irreplaceable. Everything below it can be rebuilt from it." style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=10;fontColor=#8a97a5;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="890" width="1410" height="20" as="geometry" />
        </mxCell>
        <mxCell id="foot-rule" value="" style="line;strokeWidth=1;html=1;strokeColor=#e3e9ef;" vertex="1" parent="1">
          <mxGeometry x="40" y="910" width="1410" height="10" as="geometry" />
        </mxCell>
        <mxCell id="foot" value="v 1.0   ·   owner Data Architecture" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;fontSize=9;fontColor=#9aa7b4;fontFamily=Segoe UI;" vertex="1" parent="1">
          <mxGeometry x="40" y="920" width="1410" height="10" as="geometry" />
        </mxCell>
      </root>
    </mxGraphModel>
  </diagram>
</mxfile>
