diff --git a/packages/http-routes/src/routes/web/people-relationships.test.ts b/packages/http-routes/src/routes/web/people-relationships.test.ts
index 12a88647..d08c1f88 100644
--- a/packages/http-routes/src/routes/web/people-relationships.test.ts
+++ b/packages/http-routes/src/routes/web/people-relationships.test.ts
@@ -75,7 +75,7 @@ function emptyNeighborhoodResponse(
 class FakePeopleRelationshipsService implements PeopleRelationshipsService {
   graphCalls: Array<{ acceptStale?: boolean; timeRangePreset?: string; query?: string; graphScope?: string }> = []
   recomputeCalls: Array<{ timeRangePreset?: string; query?: string; graphScope?: string }> = []
-  neighborhoodCalls: Array<{ key: string; acceptStale?: boolean; timeRangePreset?: string }> = []
+  neighborhoodCalls: Array<{ key: string; acceptStale?: boolean; timeRangePreset?: string; graphScope?: string }> = []
   closeCalls = 0
 
   getGraph(options?: {
@@ -95,9 +95,14 @@ class FakePeopleRelationshipsService implements PeopleRelationshipsService {
 
   getNeighborhood(
     key: string,
-    options?: { acceptStale?: boolean; timeRangePreset?: string }
+    options?: { acceptStale?: boolean; timeRangePreset?: string; graphScope?: string }
   ): PeopleRelationshipsNeighborhoodResponse {
-    this.neighborhoodCalls.push({ key, acceptStale: options?.acceptStale, timeRangePreset: options?.timeRangePreset })
+    this.neighborhoodCalls.push({
+      key,
+      acceptStale: options?.acceptStale,
+      timeRangePreset: options?.timeRangePreset,
+      graphScope: options?.graphScope,
+    })
     return emptyNeighborhoodResponse('missing')
   }
 
@@ -199,7 +204,7 @@ test('POST /_web/people/relationships/recompute forwards time range, search quer
   assert.deepEqual(service.recomputeCalls, [{ timeRangePreset: '3y', query: 'Bob', graphScope: 'close' }])
 })
 
-test('GET /_web/people/relationships/:key/neighborhood forwards decoded contact key', async (t) => {
+test('GET /_web/people/relationships/:key/neighborhood forwards contact key and graph scope', async (t) => {
   const service = new FakePeopleRelationshipsService()
   const app = Fastify()
   t.after(async () => app.close())
@@ -208,11 +213,15 @@ test('GET /_web/people/relationships/:key/neighborhood forwards decoded contact
 
   const response = await app.inject({
     method: 'GET',
-    url: `/_web/people/relationships/${encodeURIComponent('weixin:alice')}/neighborhood?acceptStale=1&timeRange=5y`,
+    url: `/_web/people/relationships/${encodeURIComponent(
+      'weixin:alice'
+    )}/neighborhood?acceptStale=1&timeRange=5y&scope=friends`,
   })
 
   assert.equal(response.statusCode, 200)
-  assert.deepEqual(service.neighborhoodCalls, [{ key: 'weixin:alice', acceptStale: true, timeRangePreset: '5y' }])
+  assert.deepEqual(service.neighborhoodCalls, [
+    { key: 'weixin:alice', acceptStale: true, timeRangePreset: '5y', graphScope: 'friends' },
+  ])
 })
 
 test('closes people relationships service when Fastify app closes', async () => {
diff --git a/packages/http-routes/src/routes/web/people-relationships.ts b/packages/http-routes/src/routes/web/people-relationships.ts
index 85cc31e7..24a9f44e 100644
--- a/packages/http-routes/src/routes/web/people-relationships.ts
+++ b/packages/http-routes/src/routes/web/people-relationships.ts
@@ -57,6 +57,7 @@ export function registerPeopleRelationshipsRoutes(server: FastifyInstance, ctx:
       return service.getNeighborhood(request.params.key, {
         acceptStale: isTruthy(request.query.acceptStale),
         timeRangePreset: parseContactsTimeRangePreset(request.query.timeRange),
+        graphScope: parsePeopleRelationshipsGraphScope(request.query.scope),
       })
     }
   )
diff --git a/packages/node-runtime/src/services/people/relationships/service.test.ts b/packages/node-runtime/src/services/people/relationships/service.test.ts
index 3e65cffd..95d96e7d 100644
--- a/packages/node-runtime/src/services/people/relationships/service.test.ts
+++ b/packages/node-runtime/src/services/people/relationships/service.test.ts
@@ -407,6 +407,56 @@ test('returns a friends relationships graph without groupmate nodes while keepin
   }
 })
 
+test('keeps friend neighborhoods limited to friends and their relationships', () => {
+  const dir = makeTempDir()
+  try {
+    const service = createPeopleRelationshipsService({
+      adapter: makeAdapter(),
+      systemDir: dir,
+      runner: async () => {
+        throw new Error('runner should not be called for fresh injected snapshot')
+      },
+    })
+    const snapshot = makeSnapshot(makeFreshSignature())
+    const friend = makeNode({
+      key: 'weixin:friend',
+      displayName: 'Friend',
+      pool: 'friend',
+      friendSource: 'private',
+      rank: 5,
+      score: 60,
+    })
+    snapshot.nodes = [...snapshot.nodes, friend]
+    snapshot.edges = [...snapshot.edges, makeEdge('weixin:alice', friend.key, 10)]
+    service.replaceSnapshotForTests?.(snapshot)
+
+    const response = service.getNeighborhood('weixin:alice', {
+      acceptStale: true,
+      graphScope: 'friends',
+    })
+    const keys = response.graph.nodes.map((node) => node.key)
+
+    assert.deepEqual(keys, ['weixin:alice', friend.key])
+    assert.equal(
+      response.graph.nodes.every((node) => node.kind === 'owner' || node.pool === 'friend'),
+      true
+    )
+    assert.deepEqual(
+      response.graph.edges.map((edge) => [edge.sourceKey, edge.targetKey]),
+      [['weixin:alice', friend.key]]
+    )
+
+    const groupmateResponse = service.getNeighborhood('weixin:bob', {
+      acceptStale: true,
+      graphScope: 'friends',
+    })
+    assert.equal(groupmateResponse.contact, null)
+    assert.deepEqual(groupmateResponse.graph, { nodes: [], edges: [], communities: [] })
+  } finally {
+    fs.rmSync(dir, { recursive: true, force: true })
+  }
+})
+
 test('applies manual contact friend overrides to people relationships graph scopes', () => {
   const dir = makeTempDir()
   try {
diff --git a/packages/node-runtime/src/services/people/relationships/service.ts b/packages/node-runtime/src/services/people/relationships/service.ts
index f4a7467e..07d94a6f 100644
--- a/packages/node-runtime/src/services/people/relationships/service.ts
+++ b/packages/node-runtime/src/services/people/relationships/service.ts
@@ -126,8 +126,11 @@ class DefaultPeopleRelationshipsService implements PeopleRelationshipsService {
     const snapshot = this.getSnapshotForResponse(timeRangePreset)
     const status = this.getCacheStatus(signature, timeRangePreset)
     const includeSnapshot = shouldIncludeSnapshot(status, options.acceptStale)
-    const graph = includeSnapshot && snapshot ? buildPeopleRelationshipsNeighborhoodGraph(snapshot, key) : emptyGraph()
-    const contact = includeSnapshot ? (snapshot?.nodes.find((node) => node.key === key) ?? null) : null
+    const graphScope = normalizePeopleRelationshipsGraphScope(options.graphScope)
+    const scopedSnapshot = snapshot ? buildNeighborhoodSnapshotForScope(snapshot, graphScope) : null
+    const graph =
+      includeSnapshot && scopedSnapshot ? buildPeopleRelationshipsNeighborhoodGraph(scopedSnapshot, key) : emptyGraph()
+    const contact = includeSnapshot ? (scopedSnapshot?.nodes.find((node) => node.key === key) ?? null) : null
     return {
       contact,
       graph,
@@ -369,6 +372,21 @@ function buildFriendsRelationshipsGraph(snapshot: PeopleRelationshipsSnapshot):
   }
 }
 
+function buildNeighborhoodSnapshotForScope(
+  snapshot: PeopleRelationshipsSnapshot,
+  scope: PeopleRelationshipsGraphScope
+): PeopleRelationshipsSnapshot {
+  if (scope !== 'friends') return snapshot
+
+  const graph = buildFriendsRelationshipsGraph(snapshot)
+  return {
+    ...snapshot,
+    nodes: graph.nodes,
+    edges: graph.edges,
+    communities: graph.communities,
+  }
+}
+
 function buildCloseRelationshipsGraph(snapshot: PeopleRelationshipsSnapshot): PeopleRelationshipsGraphData {
   const selectedKeys = new Set<string>()
   for (const node of snapshot.nodes) {
diff --git a/src/pages/people/relationships/components/RelationshipGalaxyCanvas.vue b/src/pages/people/relationships/components/RelationshipGalaxyCanvas.vue
index 7ba964b2..10aa7990 100644
--- a/src/pages/people/relationships/components/RelationshipGalaxyCanvas.vue
+++ b/src/pages/people/relationships/components/RelationshipGalaxyCanvas.vue
@@ -61,6 +61,7 @@ const props = withDefaults(
     selectedKey?: string | null
     privacyMode?: boolean
     safeInsetRight?: number
+    emphasizeEdges?: boolean
     label: string
     ownerLabel: string
   }>(),
@@ -68,6 +69,7 @@ const props = withDefaults(
     selectedKey: null,
     privacyMode: false,
     safeInsetRight: 0,
+    emphasizeEdges: false,
   }
 )
 
@@ -344,7 +346,7 @@ function renderGraph(shouldFit = false) {
     const targetX = target.x + offsetX
     const targetY = target.y + offsetY
 
-    const alpha = edge.visibility === 2 ? 0.22 : 0.07
+    const alpha = edge.visibility === 2 ? (props.emphasizeEdges ? 0.26 : 0.22) : props.emphasizeEdges ? 0.1 : 0.07
     const width = Math.min(1.4, Math.max(0.4, Math.log10(edge.weight + 1) * 0.75))
     const edgeColor = getNodeColor(source)
     edgeLayer.moveTo(sourceX, sourceY).lineTo(targetX, targetY).stroke({ color: edgeColor, width, alpha })
@@ -773,7 +775,14 @@ onMounted(async () => {
 })
 
 watch(
-  () => [props.graph.nodes, props.graph.edges, props.selectedKey, props.privacyMode, props.safeInsetRight],
+  () => [
+    props.graph.nodes,
+    props.graph.edges,
+    props.selectedKey,
+    props.privacyMode,
+    props.safeInsetRight,
+    props.emphasizeEdges,
+  ],
   () => {
     renderGraph(false)
   },
diff --git a/src/pages/people/relationships/components/RelationshipGalaxyThreeCanvas.vue b/src/pages/people/relationships/components/RelationshipGalaxyThreeCanvas.vue
index 05f7245c..f3eccb41 100644
--- a/src/pages/people/relationships/components/RelationshipGalaxyThreeCanvas.vue
+++ b/src/pages/people/relationships/components/RelationshipGalaxyThreeCanvas.vue
@@ -63,6 +63,7 @@ const props = withDefaults(
     selectedKey?: string | null
     privacyMode?: boolean
     safeInsetRight?: number
+    emphasizeEdges?: boolean
     label: string
     ownerLabel: string
   }>(),
@@ -70,6 +71,7 @@ const props = withDefaults(
     selectedKey: null,
     privacyMode: false,
     safeInsetRight: 0,
+    emphasizeEdges: false,
   }
 )
 
@@ -194,7 +196,7 @@ function addThinEdgePaths(
   const material = new THREE.LineBasicMaterial({
     vertexColors: true,
     transparent: true,
-    opacity: bucket === 'highlight' ? 0.62 : bucket === 'normal' ? 0.21 : 0.05,
+    opacity: bucket === 'highlight' ? 0.62 : bucket === 'normal' ? (props.emphasizeEdges ? 0.27 : 0.21) : 0.05,
     linewidth,
     blending: THREE.NormalBlending,
     depthTest: true,
@@ -847,6 +849,14 @@ watch(
   { flush: 'post' }
 )
 
+watch(
+  () => props.emphasizeEdges,
+  () => {
+    renderGraph(false)
+  },
+  { flush: 'post' }
+)
+
 watch(
   () => props.privacyMode,
   () => {
diff --git a/src/pages/people/relationships/index.vue b/src/pages/people/relationships/index.vue
index 55fb44e9..cf6c9b0c 100644
--- a/src/pages/people/relationships/index.vue
+++ b/src/pages/people/relationships/index.vue
@@ -485,6 +485,7 @@ async function loadNeighborhood(key: string) {
     const next = await dataService.getPeopleRelationshipNeighborhood(key, {
       acceptStale: true,
       timeRangePreset: timeRangePreset.value,
+      graphScope: graphScope.value,
     })
     if (requestId !== neighborhoodRequestId.value) return
 
@@ -661,6 +662,7 @@ onBeforeUnmount(() => {
         :selected-key="canvasSelectedKey"
         :privacy-mode="privacyMode"
         :safe-inset-right="detailPanelSafeInsetRight"
+        :emphasize-edges="graphScope === 'friends'"
         :label="t('relationships.canvas.label3d')"
         :owner-label="t('relationships.owner.me')"
         @fallback="handleThreeCanvasFallback"
@@ -673,6 +675,7 @@ onBeforeUnmount(() => {
         :selected-key="canvasSelectedKey"
         :privacy-mode="privacyMode"
         :safe-inset-right="detailPanelSafeInsetRight"
+        :emphasize-edges="graphScope === 'friends'"
         :label="t('relationships.canvas.label')"
         :owner-label="t('relationships.owner.me')"
         @select-node="selectNode"
diff --git a/src/services/data/fetch.ts b/src/services/data/fetch.ts
index 45629a79..8e3bb0f9 100644
--- a/src/services/data/fetch.ts
+++ b/src/services/data/fetch.ts
@@ -207,6 +207,7 @@ export class FetchDataAdapter implements DataAdapter {
     const params = new URLSearchParams()
     if (options?.acceptStale) params.set('acceptStale', '1')
     if (options?.timeRangePreset) params.set('timeRange', options.timeRangePreset)
+    if (options?.graphScope) params.set('scope', options.graphScope)
     const qs = params.toString()
     return get(`/people/relationships/${encodeURIComponent(key)}/neighborhood${qs ? `?${qs}` : ''}`)
   }