1. Anchor routing added with mutiport

tests/project-load-static.test.js

@@ -17,3 +17,27 @@ assert(
   canvasHtml.includes('layoutToCanvasY'),
   'loading saved layout YAML should convert GDS/layout Y coordinates back to canvas coordinates'
 );
+assert(
+  canvasHtml.includes('buildElementNodesFromYaml'),
+  'project loading should rebuild saved anchor/port element nodes from YAML elements'
+);
+assert(
+  canvasHtml.includes('Object.entries(doc.elements || {})'),
+  'project loading should read doc.elements, not only doc.instances'
+);
+assert(
+  canvasHtml.includes('nodeNameMap[elementName] = nodeId'),
+  'loaded element names should be registered so saved links can reconnect to anchors and ports'
+);
+assert(
+  canvasHtml.includes('getAvailableComponentsForLoadedComponent'),
+  'project loading should reconstruct PDK component selection options for saved instances'
+);
+assert(
+  canvasHtml.includes('availableComponents: instIsForge ? [FORGE_COMPONENT_LABEL] : loadedAvailableComponents'),
+  'loaded PDK instances should keep availableComponents so the right panel can show the PDK selector'
+);
+assert(
+  canvasHtml.includes('Array.from(new Set([FORGE_COMPONENT_LABEL, ...sameCategoryComponents'),
+  'loaded PDK selector choices should include forge and same-category library components'
+);