fix(relationships): reset selection when returning to panorama

src/pages/people/relationships/index.vue

@@ -529,17 +529,13 @@ function handleThreeCanvasFallback() {
 }
 
 function backToPanorama() {
-  const key = selectedKey.value
   cancelNeighborhoodLoad()
   clearNeighborhoodResponse()
-  if (!key) return
-  if (!graphResponse.value?.graph.nodes.some((node) => node.key === key)) {
-    selectedKey.value = null
-    canvasSelectedKey.value = null
-    isDetailPanelOpen.value = false
-  }
+  selectedKey.value = null
+  canvasSelectedKey.value = null
+  isDetailPanelOpen.value = false
   void nextTick(() => {
-    if (selectedKey.value) canvasRef.value?.focusNode(selectedKey.value)
+    canvasRef.value?.fitView()
   })
 }
 

src/pages/people/relationships/relationship-galaxy-page-source.test.ts

@@ -0,0 +1,34 @@
+/**
+ * Run: pnpm test -- src/pages/people/relationships/relationship-galaxy-page-source.test.ts
+ */
+
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import { describe, it } from 'node:test'
+
+function readPageSource(): string {
+  return readFileSync(new URL('./index.vue', import.meta.url), 'utf8')
+}
+
+describe('people relationships page source', () => {
+  it('clears canvas selection when returning to the panorama', () => {
+    const source = readPageSource()
+    const backToPanorama = source.slice(
+      source.indexOf('function backToPanorama()'),
+      source.indexOf('function closeDetailPanel()')
+    )
+
+    assert.ok(backToPanorama.includes('selectedKey.value = null'))
+    assert.ok(backToPanorama.includes('canvasSelectedKey.value = null'))
+    assert.ok(backToPanorama.includes('isDetailPanelOpen.value = false'))
+    assert.ok(
+      backToPanorama.includes('canvasRef.value?.fitView()'),
+      'returning to panorama should fit the full graph instead of refocusing the selected node'
+    )
+    assert.equal(
+      backToPanorama.includes('canvasRef.value?.focusNode(selectedKey.value)'),
+      false,
+      'returning to panorama must not keep the selected node focused'
+    )
+  })
+})