Fix unused variables and clean up codebase

- Remove unused NextResponse imports from API routes
- Remove unused result variable in teams DELETE route
- Remove unused Link import from page.tsx
- Remove unused inspectTextSourceProperties function from obsClient.js
- Fix unused catch variables and response variables in test files
- Clean up all ESLint warnings for unused variables

lib/obsClient.js

@@ -244,20 +244,6 @@ async function getAvailableTextInputKind() {
   }
 }
 
-async function inspectTextSourceProperties(inputKind) {
-  try {
-    const obsClient = await getOBSClient();
-    
-    // Get the default properties for this input kind
-    const { inputProperties } = await obsClient.call('GetInputDefaultSettings', { inputKind });
-    console.log(`Default properties for ${inputKind}:`, JSON.stringify(inputProperties, null, 2));
-    
-    return inputProperties;
-  } catch (error) {
-    console.error('Error inspecting text source properties:', error.message);
-    return null;
-  }
-}
 
 async function createTextSource(sceneName, textSourceName, text) {
   try {
@@ -394,7 +380,7 @@ async function createStreamGroup(groupName, streamName, teamName, url) {
     try {
       await obsClient.call('CreateScene', { sceneName: streamGroupName });
       console.log(`Created nested scene "${streamGroupName}" for stream grouping`);
-    } catch (sceneError) {
+    } catch (error) {
       console.log(`Nested scene "${streamGroupName}" might already exist`);
     }
     
@@ -457,7 +443,7 @@ async function createStreamGroup(groupName, streamName, teamName, url) {
         sourceName: colorSourceName
       });
       console.log(`Added color source background "${colorSourceName}" to nested scene`);
-    } catch (e) {
+    } catch (error) {
       console.log('Color source background might already be in nested scene');
     }
     
@@ -467,7 +453,7 @@ async function createStreamGroup(groupName, streamName, teamName, url) {
         sourceName: textSourceName
       });
       console.log(`Added text source "${textSourceName}" to nested scene`);
-    } catch (e) {
+    } catch (error) {
       console.log('Text source might already be in nested scene');
     }