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-retention.js

@@ -0,0 +1,19 @@
+const proxyMongoose = require('../proxy/node_modules/mongoose');
+require('dotenv').config({ path: './.env.local' });
+const { LookupApp } = require('../proxy/models/Schemas');
+
+async function main() {
+  const uri = process.env.MONGODB_URI || 'mongodb://127.0.0.1:27017/backone_dpi';
+  await proxyMongoose.connect(uri);
+  
+  console.log('Count at start:', await LookupApp.countDocuments({}));
+  
+  console.log('Sleeping for 10 seconds...');
+  await new Promise(resolve => setTimeout(resolve, 10000));
+  
+  console.log('Count after 10 seconds:', await LookupApp.countDocuments({}));
+  
+  await proxyMongoose.disconnect();
+}
+
+main().catch(console.error);