feat(source2): push all latest files - device labeling, help system, proxy docs, database isolation fix

- Added DOKUMENTASI-FILTER-PER-SITE.md (site isolation docs)
- Fixed start-with-env.js to force-load .env.production
- Fixed MONGODB_URI hostname from mongodb-netify to mongodb.prod.proit.id
- Updated .gitignore to exclude sensitive scripts and credential files
- Minor UI and labeling improvements

test/test-localhost-page.js

@@ -0,0 +1,24 @@
+const axios = require('axios');
+
+async function main() {
+  console.log('Logging in to localhost Next.js server on port 3000...');
+  const loginRes = await axios.post('http://localhost:3000/api/auth/login', {
+    username: 'admin',
+    password: 'admin'
+  });
+  
+  const cookie = loginRes.headers['set-cookie'];
+  const headers = {
+    Cookie: cookie ? cookie.join('; ') : ''
+  };
+
+  console.log('Fetching localhost /api/auth/admin/users...');
+  const res = await axios.get('http://localhost:3000/api/auth/admin/users', { headers });
+  console.log('Total users returned:', res.data.data.length);
+  console.log('Users list:');
+  res.data.data.forEach(u => {
+    console.log(`- Username: ${u.username}, Role: ${u.role}, Site: ${u.site_uuid}`);
+  });
+}
+
+main().catch(console.error);