Fix ESLint warnings and errors

- Remove unused imports in test files
- Fix unused variable warnings
- Fix React unescaped entity warning in settings page
- Remove unused error parameters in catch blocks

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

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

app/api/__tests__/streams.test.ts

@@ -1,4 +1,4 @@
-import { GET } from '../streams/route';
+// import { GET } from '../streams/route';
 
 // Mock the database module
 jest.mock('@/lib/database', () => ({

app/api/__tests__/teams.test.ts

@@ -1,4 +1,4 @@
-import { GET } from '../teams/route';
+// import { GET } from '../teams/route';
 
 // Mock the database module
 jest.mock('@/lib/database', () => ({
@@ -13,7 +13,7 @@ jest.mock('@/lib/apiHelpers', () => ({
     status,
     json: async () => ({ success: true, data }),
   })),
-  createDatabaseError: jest.fn((operation, error) => ({
+  createDatabaseError: jest.fn((operation) => ({
     error: 'Database Error',
     status: 500,
     json: async () => ({ 

app/settings/page.tsx

@@ -4,7 +4,7 @@ import { useState } from 'react';
 import { useApiKey } from '@/contexts/ApiKeyContext';
 
 export default function SettingsPage() {
-  const { apiKey, setApiKey, clearApiKey, isAuthenticated } = useApiKey();
+  const { setApiKey, clearApiKey, isAuthenticated } = useApiKey();
   const [inputValue, setInputValue] = useState('');
   const [error, setError] = useState('');
   const [success, setSuccess] = useState('');
@@ -62,7 +62,7 @@ export default function SettingsPage() {
             <h2 className="text-xl font-semibold text-white mb-4">API Key Authentication</h2>
             <p className="text-base1 mb-6">
               API keys are required when accessing this application from external networks. 
-              The key is stored securely in your browser's local storage.
+              The key is stored securely in your browser&apos;s local storage.
             </p>
           </div>
 

lib/obsClient.js

@@ -380,7 +380,7 @@ async function createStreamGroup(groupName, streamName, teamName, url, lockSourc
     try {
       await obsClient.call('CreateScene', { sceneName: streamGroupName });
       console.log(`Created nested scene "${streamGroupName}" for stream grouping`);
-    } catch (error) {
+    } catch {
       console.log(`Nested scene "${streamGroupName}" might already exist`);
     }
     
@@ -535,7 +535,7 @@ async function createStreamGroup(groupName, streamName, teamName, url, lockSourc
           console.error(`Failed to lock color source:`, lockError.message);
         }
       }
-    } catch (error) {
+    } catch {
       console.log('Color source background might already be in nested scene');
     }
     
@@ -559,7 +559,7 @@ async function createStreamGroup(groupName, streamName, teamName, url, lockSourc
           console.error(`Failed to lock text source:`, lockError.message);
         }
       }
-    } catch (error) {
+    } catch {
       console.log('Text source might already be in nested scene');
     }