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

proxy/diagnostic.js

@@ -0,0 +1,44 @@
+// diagnostic.js - Run: node proxy/diagnostic.js
+const path = require('path');
+require('dotenv').config({ path: path.join(__dirname, '..', '.env.local') });
+const mongoose = require('mongoose');
+
+const MONGODB_URI = process.env.MONGODB_URI || 'mongodb://localhost:27017/backone';
+
+async function run() {
+  await mongoose.connect(MONGODB_URI);
+  const db = mongoose.connection.db;
+
+  // 1. Total count
+  const total = await db.collection('devicestats').countDocuments();
+  console.log('=== DeviceStat Total:', total);
+
+  // 2. Count for 10.6.10.44
+  const specific = await db.collection('devicestats').countDocuments({ ip_address: '10.6.10.44' });
+  console.log('=== Count for 10.6.10.44:', specific);
+
+  // 3. Sample doc for 10.6.10.44
+  const sample = await db.collection('devicestats').findOne({ ip_address: '10.6.10.44' });
+  console.log('=== Sample doc for 10.6.10.44:', JSON.stringify(sample, null, 2));
+
+  // 4. Duplicate groups (top 10)
+  const dups = await db.collection('devicestats').aggregate([
+    { $group: { _id: { agent_uuid: '$agent_uuid', ip_address: '$ip_address' }, count: { $sum: 1 } } },
+    { $match: { count: { $gt: 1 } } },
+    { $sort: { count: -1 } },
+    { $limit: 10 }
+  ]).toArray();
+  console.log('=== Top duplicate groups:', JSON.stringify(dups, null, 2));
+
+  // 5. Check what collection name is actually used
+  const collections = await db.listCollections().toArray();
+  console.log('=== Collections:', collections.map(c => c.name));
+
+  // 6. Check indexes on devicestats
+  const indexes = await db.collection('devicestats').indexes();
+  console.log('=== Indexes on devicestats:', JSON.stringify(indexes, null, 2));
+
+  await mongoose.disconnect();
+}
+
+run().catch(err => { console.error('ERROR:', err.message); process.exit(1); });