only add non-empty loops. add simple to top on legacy/support path. fix invalid healed report

src/geo/mesh.js

@@ -214,7 +214,7 @@
                 }
                 // cannot start on split
                 if (line.adjacentUnused().length > 2) {
-                    console.log('cannot start on a split');
+                    // console.log('cannot start on a split');
                     continue;
                 }
                 // line.used = true;
@@ -253,7 +253,9 @@
                     loop.push(line);
                     line.used = true;
                 }
-                loops.push(loop);
+                if (loop.length) {
+                    loops.push(loop);
+                }
             }
 
             // attempt to connect open loops
@@ -288,9 +290,13 @@
 
                 }
             }
+            // console.log({loops})
 
+            // store invalid loops for display / culling
+            this.shorts = loops.filter(l => l && l.length <= 2);
             // filter out null and short loops
             this.loops = loops = loops.filter(l => l && l.length > 2);
+            // console.log({loops})
 
             // rotate/flatten to Z plane and use earcut to generate faces
             // because earcut emits point indexes, no need to un-rotate

src/kiri/main.js

@@ -870,7 +870,7 @@ console.log/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
         setTimeout(() => {
             Promise.all(widgets.map(w => w.heal())).then(mod => {
                 API.hide.alert(marker);
-                let healed = mod.map(m => m).length;
+                let healed = mod.filter(m => m).length;
                 if (healed) {
                     API.show.alert(`${healed} Object${healed ? 's':''} healed`);
                 } else {

src/kiri/slice.js

@@ -184,6 +184,7 @@
             // standard legacy polygon
             let top = new Top(poly);
             this.tops.push(top);
+            top.simple = poly;
             return top;
         } else {
             // frop top object passed back by slicePost()

src/kiri/widget.js

@@ -346,6 +346,8 @@ console.log/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
                 if (data.vertices) {
                     this.loadVertices(data.vertices);
                     this.modified = true;
+                } else {
+                    this.modified = false;
                 }
                 resolve(this.modified);
             });