fixed double message the second, fixed no own message from diagnotic to aria

diagnostic/index.html

@@ -217,7 +217,7 @@
     </div>
     <div id="chat-box-fs" class="chat-box" style="flex:1;max-height:none;min-height:0;overflow-y:auto;"></div>
     <div class="input-row" style="margin-top:8px;">
-      <input type="text" id="chat-input-fs" placeholder="Nachricht an ARIA..." onkeydown="if(event.key==='Enter'){testGatewayFS();event.preventDefault();}">
+      <input type="text" id="chat-input-fs" placeholder="Nachricht an ARIA..." onkeydown="if(event.key==='Enter'){testRVSFS();event.preventDefault();}">
       <button class="btn" onclick="testGatewayFS()">Gateway senden</button>
       <button class="btn" onclick="testRVSFS()">Via RVS senden</button>
     </div>
@@ -519,7 +519,9 @@
         if (msg.type === 'rvs_chat') {
           const p = msg.msg.payload || {};
           const sender = p.sender || '?';
-          const chatType = (sender === 'aria') ? 'received' : 'sent';
+          // ARIA-Antworten kommen schon via Gateway (chat:final) — nicht nochmal via RVS anzeigen
+          if (sender === 'aria') return;
+          const chatType = 'sent';
           const label = sender === 'stt' ? '\uD83C\uDFA4 Spracheingabe' : `via RVS (${sender})`;
           addChat(chatType, p.text || '?', label);
           return;
@@ -997,7 +999,7 @@
 
     // Enter-Taste sendet via Gateway
     document.getElementById('chat-input').addEventListener('keydown', (e) => {
-      if (e.key === 'Enter') testGateway();
+      if (e.key === 'Enter') testRVS();
     });
 
     // Escape schliesst Lightbox