Remove backwards compatibility for API responses

- Clean up all backward compatibility checks for old API format
- All endpoints now consistently return { success: true, data: [...] }
- Simplify response handling across all components and pages

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/edit/[id]/page.tsx

@@ -65,8 +65,7 @@ export default function EditStream() {
           team_id: streamData.team_id,
         });
         
-        // Handle both old and new API response formats
-        const teams = teamsData.success ? teamsData.data : teamsData;
+        const teams = teamsData.data;
         
         // Map teams for dropdown
         setTeams(

app/page.tsx

@@ -80,12 +80,8 @@ export default function Home() {
         activeRes.json()
       ]);
       
-      // Handle both old and new API response formats
-      const streams = streamsData.success ? streamsData.data : streamsData;
-      const activeSources = activeData.success ? activeData.data : activeData;
-      
-      setStreams(streams);
-      setActiveSources(activeSources);
+      setStreams(streamsData.data);
+      setActiveSources(activeData);
     } catch (error) {
       console.error('Error fetching data:', error);
       showError('Failed to Load Data', 'Could not fetch streams. Please refresh the page.');

app/streams/page.tsx

@@ -40,9 +40,8 @@ export default function AddStream() {
       const teamsData = await teamsResponse.json();
       const streamsData = await streamsResponse.json();
 
-      // Handle both old and new API response formats
-      const teams = teamsData.success ? teamsData.data : teamsData;
-      const streams = streamsData.success ? streamsData.data : streamsData;
+      const teams = teamsData.data;
+      const streams = streamsData.data;
 
       // Map the API data to the format required by the Dropdown
       setTeams(

app/teams/page.tsx

@@ -41,9 +41,7 @@ export default function Teams() {
     try {
       const res = await fetch('/api/teams');
       const data = await res.json();
-      // Handle both old and new API response formats
-      const teams = data.success ? data.data : data;
-      setTeams(teams);
+      setTeams(data.data);
     } catch (error) {
       console.error('Error fetching teams:', error);
     } finally {