Fix Ignition view.json: match working Testing_View structure

- Component gets meta.name + position at same level as type/props
- Root container uses props.mode="percent" not direction="column"

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

svelte-app/src/lib/export.ts

@@ -557,9 +557,13 @@ export async function deployToIgnition() {
       defaultSize: { height: layout.canvasH, width: layout.canvasW },
     },
     root: {
-      children: [component],
+      children: [{
+        meta: { name: viewName },
+        position: { width: 1, height: 1 },
+        ...component,
+      }],
       meta: { name: 'root' },
-      props: { direction: 'column' },
+      props: { mode: 'percent' },
       type: 'ia.container.coord',
     },
   }, null, 2);