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  <!-- Background -->
  <rect width="100%" height="100%" fill="#ffffff"/>
 
  <!-- Title -->
  <text x="490" y="50" text-anchor="middle"
        font-size="30" font-weight="bold">
    Harmonic Stability Map — Metrics × Tiers
  </text>
 
  <!-- Column Labels (Stability Tiers) -->
  <g font-size="20" font-weight="bold">
    <text x="260" y="110" text-anchor="middle">Stable</text>
    <text x="420" y="110" text-anchor="middle">Semi‑Stable</text>
    <text x="580" y="110" text-anchor="middle">Unstable</text>
    <text x="740" y="110" text-anchor="middle">Critical</text>
  </g>
 
  <!-- Row Labels (HSP Metrics) -->
  <g font-size="20" font-weight="bold">
    <text x="120" y="170">Recurrence</text>
    <text x="120" y="240">Position</text>
    <text x="120" y="310">Anchoring</text>
    <text x="120" y="380">Operator</text>
    <text x="120" y="450">Temporal</text>
    <text x="120" y="520">Mutation</text>
  </g>
 
  <!-- Grid -->
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    <!-- Horizontal lines -->
    <line x1="200" y1="130" x2="900" y2="130"/>
    <line x1="200" y1="200" x2="900" y2="200"/>
    <line x1="200" y1="270" x2="900" y2="270"/>
    <line x1="200" y1="340" x2="900" y2="340"/>
    <line x1="200" y1="410" x2="900" y2="410"/>
    <line x1="200" y1="480" x2="900" y2="480"/>
    <line x1="200" y1="550" x2="900" y2="550"/>
 
    <!-- Vertical lines -->
    <line x1="200" y1="130" x2="200" y2="550"/>
    <line x1="340" y1="130" x2="340" y2="550"/>
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    <line x1="660" y1="130" x2="660" y2="550"/>
    <line x1="820" y1="130" x2="820" y2="550"/>
  </g>
 
  <!-- Matrix Content (Canonical Stability Placement) -->
  <g font-size="18">
 
    <!-- Recurrence -->
    <text x="260" y="170" text-anchor="middle">●</text>
    <text x="420" y="170" text-anchor="middle">●</text>
 
    <!-- Position Consistency -->
    <text x="260" y="240" text-anchor="middle">●</text>
    <text x="420" y="240" text-anchor="middle">●</text>
    <text x="580" y="240" text-anchor="middle">●</text>
 
    <!-- Substrate Anchoring -->
    <text x="260" y="310" text-anchor="middle">●</text>
    <text x="420" y="310" text-anchor="middle">●</text>
    <text x="580" y="310" text-anchor="middle">●</text>
 
    <!-- Operator Role Stability -->
    <text x="260" y="380" text-anchor="middle">●</text>
    <text x="420" y="380" text-anchor="middle">●</text>
    <text x="580" y="380" text-anchor="middle">●</text>
    <text x="740" y="380" text-anchor="middle">●</text>
 
    <!-- Temporal Stability -->
    <text x="260" y="450" text-anchor="middle">●</text>
    <text x="420" y="450" text-anchor="middle">●</text>
    <text x="580" y="450" text-anchor="middle">●</text>
 
    <!-- Harmonic Mutation Rate -->
    <text x="420" y="520" text-anchor="middle">●</text>
    <text x="580" y="520" text-anchor="middle">●</text>
    <text x="740" y="520" text-anchor="middle">●</text>
 
  </g>
 
  <!-- Legend -->
  <g font-size="16">
    <text x="200" y="600">● = Stability presence</text>
    <text x="200" y="630">Rows = HSP Metrics</text>
    <text x="200" y="660">Columns = Stability Tiers</text>
  </g>
 
</svg>