Deploy Karate Wiener (kimodo kata maker)

tabs/dojo.tab.css

@@ -500,3 +500,9 @@
   overflow: hidden;
   text-overflow: ellipsis;
 }
+
+/* "No dojo" card (first in the grid) — clears the scene, back to the grid floor. */
+.kimodo-dojo-clearcard { background: #1a1a1f; border-style: dashed; border-color: #44444c; }
+.kimodo-dojo-clearcard:hover { border-color: #6a6a72; }
+.kimodo-dojo-clearcard .ph { color: #7a7a84; background: transparent; }
+.kimodo-dojo-clearcard .nm { color: #9aa0aa; }

tabs/dojo.tab.js

@@ -432,12 +432,30 @@
     setStatus('Applying "' + d.name + '"…');
   }
 
+  // Clear the applied dojo scene → back to the empty grid floor.
+  function clearDojo() {
+    const frame = previewFrame();
+    if (frame && frame.contentWindow) frame.contentWindow.postMessage({ kind: 'dojo-clear' }, '*');
+    lastScene = null;
+    setStatus('Dojo cleared — back to the grid floor.');
+  }
+  function clearCard() {
+    const card = document.createElement('div');
+    card.className = 'kimodo-dojo-card kimodo-dojo-clearcard';
+    card.title = 'Clear the dojo — back to the grid floor';
+    const ph = document.createElement('div'); ph.className = 'ph'; ph.textContent = '▦'; card.appendChild(ph);
+    const nm = document.createElement('div'); nm.className = 'nm'; nm.textContent = 'No dojo'; card.appendChild(nm);
+    card.onclick = clearDojo;
+    return card;
+  }
+
   function renderLibrary() {
     const els = dojoEls();
     if (els.scope) els.scope.querySelectorAll('.kimodo-cz-segbtn').forEach((b) => b.classList.toggle('active', b.dataset.scope === dojoScope));
     if (!els.grid) return;
     els.grid.innerHTML = '';
     if (dojoScope === 'mine') {
+      els.grid.appendChild(clearCard());   // first card: clear + back to the grid floor
       const arr = loadMyDojos();
       arr.forEach((e) => els.grid.appendChild(mineCard(e)));
       if (els.emptyMsg) els.emptyMsg.textContent = arr.length ? '' : 'No dojos yet — tap ＋ Add dojo to create one.';
@@ -448,6 +466,7 @@
     loadCommunity().then((list) => {
       if (dojoScope !== 'community' || !els.grid) return;
       els.grid.innerHTML = '';
+      els.grid.appendChild(clearCard());
       if (list && list.length) list.forEach((d) => els.grid.appendChild(communityRealCard(d)));
       else COMMUNITY_SEED.forEach((s) => els.grid.appendChild(communityCard(s)));
       if (els.emptyMsg) els.emptyMsg.textContent = '';