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/inspect-agents.js

@@ -0,0 +1,20 @@
+const mongoose = require('mongoose');
+
+const MONGODB_URI = "mongodb://backone_user:SusuKudaLiar@103.80.237.29:27017/backone_dpi?authSource=backone_dpi";
+
+async function run() {
+  console.log('Connecting to Production MongoDB...');
+  await mongoose.connect(MONGODB_URI);
+  console.log('Connected.');
+
+  const db = mongoose.connection.db;
+  const agents = await db.collection('agent_registry').find({}).toArray();
+  console.log('Total agents in agent_registry:', agents.length);
+  for (const agent of agents) {
+    console.log(`Agent UUID: ${agent.uuid}, Label: ${agent.label}, Site UUID: ${agent.site_uuid}, Organization: ${agent.organization_uuid}`);
+  }
+
+  await mongoose.disconnect();
+}
+
+run().catch(console.error);