Layout refresh latency bug revised

2026-06-04 19:47:18 +08:00
parent f9c3f12aea
commit 7ac76aaee9
7 changed files with 567 additions and 11 deletions
@@ -32,6 +32,13 @@ assert(
  canvasHtml.includes('svg_url'),
  'Build Layout should use the backend svg_url response'
 );
+assert(
+  canvasHtml.includes('result.svg_ready && result.svg_url') &&
+    canvasHtml.includes('buildLayoutRequestRef') &&
+    canvasHtml.includes('buildLayoutBusyRef') &&
+    canvasHtml.includes("cache: 'no-store'"),
+  'Build Layout should wait for a ready, versioned SVG response and prevent stale duplicate preview updates'
+);
 assert(
  canvasHtml.includes('result.preview_error') &&
    canvasHtml.includes('Preview skipped: '),