fix(hermes): Piper-Installationsbefehle direkt im Setup-Wizard statt Platzhalter

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/panels/HermesPanel.svelte

@@ -255,7 +255,18 @@
         </span>
       </div>
       {#if status?.piper !== 'ready'}
-        <div class="log" style="margin-top:8px"><code>{"# Auf dem Bosgame:\nmkdir -p /opt/mission-control/piper/voices\n# Piper Binary + Thorsten-Stimme (Anleitung in Guides)"}</code></div>
+        <div class="log" style="margin-top:8px"><code>{[
+          '# 1. Piper Binary (Linux x86_64)',
+          'mkdir -p /opt/mission-control/piper/voices',
+          'cd /tmp && wget -q https://github.com/rhasspy/piper/releases/download/2023.11.14-2/piper_linux_x86_64.tar.gz',
+          'tar -xzf piper_linux_x86_64.tar.gz -C /opt/mission-control/piper/ --strip-components=1',
+          '',
+          '# 2. Deutsche Stimme (Thorsten, medium ~65 MB)',
+          'wget -q -O /opt/mission-control/piper/voices/de_DE-thorsten-medium.onnx \\',
+          '  "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/de/de_DE/thorsten/medium/de_DE-thorsten-medium.onnx"',
+          'wget -q -O /opt/mission-control/piper/voices/de_DE-thorsten-medium.onnx.json \\',
+          '  "https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/de/de_DE/thorsten/medium/de_DE-thorsten-medium.onnx.json"',
+        ].join('\n')}</code></div>
       {/if}
     </div>