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/fetch-remote-page.js

@@ -0,0 +1,39 @@
+const axios = require('axios');
+
+async function main() {
+  console.log('Logging in to remote server...');
+  const loginRes = await axios.post('https://demoplace.my.id/api/auth/login', {
+    username: 'admin',
+    password: 'admin'
+  });
+  
+  const cookie = loginRes.headers['set-cookie'];
+  console.log('Login successful. Cookies:', cookie);
+  
+  console.log('Fetching /agents page...');
+  const pageRes = await axios.get('https://demoplace.my.id/agents', {
+    headers: {
+      Cookie: cookie ? cookie.join('; ') : ''
+    }
+  });
+  
+  const html = pageRes.data;
+  console.log('Page HTML length:', html.length);
+  
+  const hasSuperadminTable = html.includes('Superadmin (BackOne) External Accounts');
+  const hasInventoryTable = html.includes('External Accounts Inventory');
+  console.log('Contains Superadmin table:', hasSuperadminTable);
+  console.log('Contains Inventory table:', hasInventoryTable);
+  
+  // Find where table title is mentioned
+  const idx1 = html.indexOf('Superadmin (BackOne)');
+  if (idx1 !== -1) {
+    console.log('Snippet around Superadmin:', html.substring(idx1 - 100, idx1 + 200));
+  }
+  const idx2 = html.indexOf('External Accounts Inventory');
+  if (idx2 !== -1) {
+    console.log('Snippet around Inventory:', html.substring(idx2 - 100, idx2 + 200));
+  }
+}
+
+main().catch(console.error);