Hero-Grafik: echtes ToolCTRL-Emblem als Mittelpunkt

Gezeichnete ctrl-Taste im Workflow-Schema durch das echte
Marken-Emblem (emblem-black.svg) ersetzt.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

public/index.html

@@ -117,15 +117,9 @@
             <text x="470" y="297" text-anchor="middle">Report</text>
           </g>
 
-          <!-- zentraler CTRL-Keycap -->
-          <rect x="200" y="166" width="140" height="102" rx="14" fill="#000000" />
-          <rect x="200" y="152" width="140" height="102" rx="14"
-                fill="url(#capface)" stroke="#000000" stroke-width="1.6" />
-          <rect x="209" y="159" width="122" height="3" rx="1.5"
-                fill="#FFFFFF" opacity="0.12" />
-          <path d="M311 175 l8 -9 l8 9" fill="none" stroke="#727272"
-                stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round" />
-          <text x="270" y="218" text-anchor="middle" class="cap-legend">ctrl</text>
+          <!-- TEST: echtes Logo (Emblem) in der Mitte -->
+          <image href="/assets/emblem-black.svg" x="190" y="128"
+                 width="160" height="152" />
           <g fill="#000000">
             <circle cx="200" cy="182" r="3" /><circle cx="200" cy="202" r="3" />
             <circle cx="200" cy="224" r="3" /><circle cx="340" cy="192" r="3" />