feat: Unity MCP-Server Integration pro Session

Sessions können jetzt einen Unity MCP-Server (URL + Token) konfigurieren.
Die CLI erhält automatisch die MCP-Config mit korrektem Transport-Typ
(URL-basierte Erkennung: /sse → SSE, sonst HTTP für streamableHttp).

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

wwwroot/index.html

@@ -158,6 +158,10 @@
             <label>Benutzerdefinierte Befehle</label>
             <div class="custom-commands" id="customCommandsList"></div>
             <button type="button" id="addCommandBtn" class="add-cmd-btn">+ Befehl hinzufügen</button>
+            <label>Unity MCP URL <small>(optional)</small></label>
+            <input type="text" id="sessionUnityMcpUrl" placeholder="z.B. http://localhost:8080" autocomplete="off">
+            <label>Unity MCP Token <small>(optional)</small></label>
+            <input type="password" id="sessionUnityMcpToken" placeholder="MCP-Server Token" autocomplete="off">
             <label>Telegram Bot</label>
             <div id="telegramBotSelectCard" class="agent-select-card">
               <div class="agent-select-empty"><i class="fa fa-paper-plane"></i> Kein Bot zugewiesen</div>

wwwroot/js/pages/session-page.js

@@ -35,6 +35,8 @@ registerPage('session', {
     const deleteBtn = document.getElementById('sessionDeleteBtn');
     const commandsList = document.getElementById('customCommandsList');
     const addCommandBtn = document.getElementById('addCommandBtn');
+    const unityMcpUrlEl = document.getElementById('sessionUnityMcpUrl');
+    const unityMcpTokenEl = document.getElementById('sessionUnityMcpToken');
     const more = document.querySelector('.more');
 
     // Avatar Editor initialisieren
@@ -55,6 +57,10 @@ registerPage('session', {
 
       // Custom Commands laden
       loadCommandsIntoUI(commandsList, session.customCommands);
+
+      // Unity MCP
+      unityMcpUrlEl.value = session.unityMcpUrl || '';
+      unityMcpTokenEl.value = session.unityMcpToken || '';
     } else {
       titleEl.textContent = 'Neue Session';
       deleteBtn.hidden = true;
@@ -168,7 +174,9 @@ registerPage('session', {
         customCommands: commands,
         avatarScale: _sessionAvatarEditor.getScale(),
         avatarOffsetX: _sessionAvatarEditor.getOffsetX(),
-        avatarOffsetY: _sessionAvatarEditor.getOffsetY()
+        avatarOffsetY: _sessionAvatarEditor.getOffsetY(),
+        unityMcpUrl: unityMcpUrlEl.value.trim() || null,
+        unityMcpToken: unityMcpTokenEl.value.trim() || null
       };
 
       if (isNew) {