diff --git a/app/api/streams/route.ts b/app/api/streams/route.ts
index ab368e3..b52a74e 100644
--- a/app/api/streams/route.ts
+++ b/app/api/streams/route.ts
@@ -1,13 +1,20 @@
 import { NextResponse } from 'next/server';
 import { getDatabase } from '../../../lib/database';
-import { Stream } from '@/types';
+import { StreamWithTeam } from '@/types';
 import { TABLE_NAMES } from '../../../lib/constants';
 import { createSuccessResponse, createDatabaseError, withErrorHandling } from '../../../lib/apiHelpers';
 
 async function getStreamsHandler() {
   try {
     const db = await getDatabase();
-    const streams: Stream[] = await db.all(`SELECT * FROM ${TABLE_NAMES.STREAMS}`);
+    const streams: StreamWithTeam[] = await db.all(`
+      SELECT 
+        s.*, 
+        t.team_name, 
+        t.group_name
+      FROM ${TABLE_NAMES.STREAMS} s
+      LEFT JOIN ${TABLE_NAMES.TEAMS} t ON s.team_id = t.team_id
+    `);
     return createSuccessResponse(streams);
   } catch (error) {
     return createDatabaseError('fetch streams', error);
diff --git a/app/page.tsx b/app/page.tsx
index d8d9eae..9b6422d 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -7,17 +7,12 @@ import { useToast } from '@/lib/useToast';
 import { ToastContainer } from '@/components/Toast';
 import { useActiveSourceLookup, useDebounce, PerformanceMonitor } from '@/lib/performance';
 
-type Stream = {
-  id: number;
-  name: string;
-  obs_source_name: string;
-  url: string;
-};
+import { StreamWithTeam } from '@/types';
 
 type ScreenType = 'large' | 'left' | 'right' | 'topLeft' | 'topRight' | 'bottomLeft' | 'bottomRight';
 
 export default function Home() {
-  const [streams, setStreams] = useState<Stream[]>([]);
+  const [streams, setStreams] = useState<StreamWithTeam[]>([]);
   const [activeSources, setActiveSources] = useState<Record<ScreenType, string | null>>({
     large: null,
     left: null,
diff --git a/lib/performance.ts b/lib/performance.ts
index 4355393..8e71fca 100644
--- a/lib/performance.ts
+++ b/lib/performance.ts
@@ -38,13 +38,17 @@ export function useThrottle<T extends (...args: unknown[]) => unknown>(
 }
 
 // Memoized stream lookup utilities
-export function createStreamLookupMaps(streams: Array<{ id: number; obs_source_name: string; name: string }>) {
+export function createStreamLookupMaps(streams: Array<{ id: number; obs_source_name: string; name: string; team_name?: string; group_name?: string | null }>) {
   const sourceToIdMap = new Map<string, number>();
-  const idToStreamMap = new Map<number, { id: number; obs_source_name: string; name: string }>();
+  const idToStreamMap = new Map<number, { id: number; obs_source_name: string; name: string; team_name?: string; group_name?: string | null }>();
   
   streams.forEach(stream => {
     // Generate stream group name to match what's written to files
-    const streamGroupName = `${stream.name.toLowerCase().replace(/\s+/g, '_')}_stream`;
+    // Format: {team_name}_{stream_name}_stream (matching obsClient.js logic)
+    const cleanTeamName = stream.team_name ? stream.team_name.toLowerCase().replace(/\s+/g, '_') : 'unknown';
+    const cleanStreamName = stream.name.toLowerCase().replace(/\s+/g, '_');
+    const streamGroupName = `${cleanTeamName}_${cleanStreamName}_stream`;
+    
     sourceToIdMap.set(streamGroupName, stream.id);
     idToStreamMap.set(stream.id, stream);
   });
@@ -53,7 +57,7 @@ export function createStreamLookupMaps(streams: Array<{ id: number; obs_source_n
 }
 
 // Hook version for React components
-export function useStreamLookupMaps(streams: Array<{ id: number; obs_source_name: string; name: string }>) {
+export function useStreamLookupMaps(streams: Array<{ id: number; obs_source_name: string; name: string; team_name?: string; group_name?: string | null }>) {
   return useMemo(() => {
     return createStreamLookupMaps(streams);
   }, [streams]);
@@ -61,7 +65,7 @@ export function useStreamLookupMaps(streams: Array<{ id: number; obs_source_name
 
 // Efficient active source lookup
 export function useActiveSourceLookup(
-  streams: Array<{ id: number; obs_source_name: string; name: string }>,
+  streams: Array<{ id: number; obs_source_name: string; name: string; team_name?: string; group_name?: string | null }>,
   activeSources: Record<string, string | null>
 ) {
   const { sourceToIdMap } = useStreamLookupMaps(streams);