feat (ui): exec fase 1

webui/html/index.html

@@ -359,6 +359,31 @@
   </div>
 </div>
 
+<!-- Exec Terminal Modal -->
+<div class="modalBack" id="execModalBack" style="display:none;" onclick="closeExecModal(event)">
+  <div class="modal modalExec" id="execTerminalModal" onclick="event.stopPropagation()">
+    <div class="modalHeader">
+      <div class="modalTitle" id="execModalTitle">Exec</div>
+      <div class="flex">
+        <span class="statusline" id="execTerminalStatus">Disconnected</span>
+        <button class="btn small ghost" onclick="containerExecClose()">Sluiten</button>
+      </div>
+    </div>
+    <div class="modalBody execBody">
+      <pre id="execTerminalOutput" class="execOutput"></pre>
+      <div class="execInputRow">
+        <input
+          class="input mono"
+          id="execTerminalInput"
+          placeholder="Type command and press Enter..."
+          onkeydown="containerExecHandleInputKey(event)"
+        />
+        <button class="btn" onclick="containerExecSendInput()">Send</button>
+      </div>
+    </div>
+  </div>
+</div>
+
 <!-- Build Modal -->
 <div class="modalBack" id="buildModalBack" style="display:none;" onclick="closeBuildModal(event)">
   <div class="modal" onclick="event.stopPropagation()" style="width:700px;">