Bundle group added to .yml generation and canvas

tests/canvas-generation-wiring.test.js

@@ -63,3 +63,20 @@ assert(
   !canvasHtml.includes("activePage.nodes.filter(n => n.selected && n.id !== 'page-port')"),
   'copy/delete should not exclude port nodes'
 );
+assert(
+  canvasHtml.includes('Bundle Group') &&
+    canvasHtml.includes('bundleGroupOptions') &&
+    canvasHtml.includes('compatibleBundleGroupOptions'),
+  'route editor should expose a Bundle Group dropdown filtered by compatible xsection'
+);
+assert(
+  canvasHtml.includes('newBundleGroupName') &&
+    canvasHtml.includes('normalizeBundleGroupName') &&
+    canvasHtml.includes('onAddBundleGroup'),
+  'route editor should provide an add flow that sanitizes new bundle group names'
+);
+assert(
+  canvasHtml.includes('routeStyleForSettings({ xsection: option.xsection') ||
+    canvasHtml.includes('routeStyleForSettings({ xsection: group.xsection'),
+  'bundle group dropdown options should use route xsection colors'
+);

tests/canvas-helpers.test.js

@@ -588,9 +588,13 @@ assert.deepStrictEqual(routeDefaults, {
   width: 0.45,
   radius: 10,
   routing_type: 'euler_bend',
+  bundle_group: '',
   widthEdited: false
 });
 
+const groupedRouteDefaults = helpers.createRouteSettings(technologyManifest, { bundle_group: 'group_A' });
+assert.strictEqual(groupedRouteDefaults.bundle_group, 'group_A');
+
 const metalRoute = helpers.updateRouteXsection(routeDefaults, 'metal_1', technologyManifest);
 assert.strictEqual(metalRoute.family, 'electrical');
 assert.strictEqual(metalRoute.width, 5);
@@ -692,6 +696,90 @@ assert(freeRouteYaml.includes('points:'));
 assert(freeRouteYaml.includes('x: 80.0'));
 assert(freeRouteYaml.includes('y: -120.0'));
 
+const groupedBundlesYaml = helpers.buildBundlesYaml({
+  nodes: [
+    { id: 'a', data: { componentDisplayName: 'inst_a' } },
+    { id: 'b', data: { componentDisplayName: 'inst_b' } },
+    { id: 'c', data: { componentDisplayName: 'inst_c' } },
+    { id: 'd', data: { componentDisplayName: 'inst_d' } }
+  ],
+  edges: [
+    {
+      id: 'edge-group-a',
+      source: 'a',
+      target: 'b',
+      sourceHandle: 'out',
+      targetHandle: 'in',
+      data: {
+        route: {
+          xsection: 'strip',
+          family: 'optical',
+          width: 0.45,
+          radius: 10,
+          routing_type: 'euler_bend',
+          bundle_group: 'optical_bus'
+        }
+      }
+    },
+    {
+      id: 'edge-group-b',
+      source: 'c',
+      target: 'd',
+      sourceHandle: 'out',
+      targetHandle: 'in',
+      data: {
+        route: {
+          xsection: 'metal_1',
+          family: 'electrical',
+          width: 5,
+          radius: 20,
+          routing_type: 'standard_bend',
+          bundle_group: 'electrical_bus'
+        }
+      }
+    }
+  ]
+}, technologyManifest);
+assert(groupedBundlesYaml.includes('  optical_bus:\n    xsection: strip\n    family: optical\n    routing_type: euler_bend\n    links:'));
+assert(groupedBundlesYaml.includes('  electrical_bus:\n    xsection: metal_1\n    family: electrical\n    routing_type: standard_bend\n    links:'));
+assert(groupedBundlesYaml.includes('from: inst_a:out'));
+assert(groupedBundlesYaml.includes('from: inst_c:out'));
+assert(!groupedBundlesYaml.includes('bundle_group:'), 'bundle_group should choose the YAML key, not be written inside links');
+
+const splitFreeWireBundlesYaml = helpers.buildBundlesYaml({
+  nodes: [
+    { id: 'a', data: { componentDisplayName: 'inst_a' } },
+    { id: 'b', data: { componentDisplayName: 'inst_b' } },
+    { id: 'c', data: { componentDisplayName: 'inst_c' } },
+    { id: 'd', data: { componentDisplayName: 'inst_d' } }
+  ],
+  edges: [
+    {
+      id: 'edge-free-strip',
+      source: 'a',
+      target: 'b',
+      sourceHandle: 'out',
+      targetHandle: 'in',
+      data: {
+        route: { xsection: 'strip', family: 'optical', width: 0.45, radius: 10, routing_type: 'euler_bend' }
+      }
+    },
+    {
+      id: 'edge-free-metal',
+      source: 'c',
+      target: 'd',
+      sourceHandle: 'out',
+      targetHandle: 'in',
+      data: {
+        route: { xsection: 'metal_1', family: 'electrical', width: 5, radius: 20, routing_type: 'standard_bend' }
+      }
+    }
+  ]
+}, technologyManifest);
+assert(splitFreeWireBundlesYaml.includes('  free_wires:\n    xsection: strip\n    family: optical\n    routing_type: euler_bend\n    links:'));
+assert(splitFreeWireBundlesYaml.includes('  free_wires_metal_1:\n    xsection: metal_1\n    family: electrical\n    routing_type: standard_bend\n    links:'));
+assert(!splitFreeWireBundlesYaml.includes('bundle_group:'), 'free-wire bundle names should not be duplicated into link metadata');
+
 const edgeA = {
   id: 'edge-a-b',
   source: 'a',

tests/project-load-static.test.js

@@ -47,3 +47,15 @@ assert(
   canvasHtml.includes('Array.from(new Set([FORGE_COMPONENT_LABEL, ...sameCategoryComponents'),
   'loaded PDK selector choices should include forge and same-category library components'
 );
+assert(
+  canvasHtml.includes('Object.entries(doc.bundles || {})'),
+  'project and YAML loading should iterate all saved bundle groups, not only output_bus'
+);
+assert(
+  !canvasHtml.includes('doc.bundles?.output_bus?.links'),
+  'project and YAML loading should not hardcode bundles.output_bus.links'
+);
+assert(
+  canvasHtml.includes('bundle_group: bundleName'),
+  'loaded route metadata should remember the YAML bundle key as route.bundle_group'
+);