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

check-mongo.js

@@ -0,0 +1,60 @@
+// check-mongo.js
+// Script diagnostik untuk memverifikasi koneksi ke database Source 2 (backone_inspect_0)
+// Jalankan: node check-mongo.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;
+
+if (!MONGODB_URI) {
+  console.error('[ERROR] MONGODB_URI tidak ditemukan di .env.local');
+  process.exit(1);
+}
+
+console.log('\n╔════════════════════════════════════════════════╗');
+console.log('║    Source 2 — MongoDB Connection Diagnostic   ║');
+console.log('╚════════════════════════════════════════════════╝\n');
+console.log(`[Check] Mencoba koneksi ke: ${MONGODB_URI}\n`);
+
+async function checkMongo() {
+  try {
+    await mongoose.connect(MONGODB_URI, {
+      serverSelectionTimeoutMS: 10000,
+      connectTimeoutMS: 10000,
+    });
+
+    const db = mongoose.connection.db;
+    const dbName = db.databaseName;
+
+    console.log(`[OK] Berhasil terhubung ke MongoDB!`);
+    console.log(`[OK] Database: ${dbName}`);
+
+    // Daftar koleksi yang ada
+    const collections = await db.listCollections().toArray();
+    if (collections.length === 0) {
+      console.log('[INFO] Database masih kosong — belum ada koleksi.');
+    } else {
+      console.log(`[INFO] Koleksi yang ada (${collections.length}):`);
+      for (const col of collections) {
+        const count = await db.collection(col.name).countDocuments();
+        console.log(`       - ${col.name}: ${count} dokumen`);
+      }
+    }
+
+    console.log('\n[RESULT] ✅ STEP 8 PASS — Koneksi ke database Source 2 berhasil.\n');
+    process.exit(0);
+  } catch (err) {
+    console.error(`[ERROR] Gagal terhubung ke MongoDB: ${err.message}`);
+    console.error('\nPossible causes:');
+    console.error('  1. Host "mongodb-netify" tidak bisa dijangkau (butuh VPN/SSH tunnel)');
+    console.error('  2. Kredensial backone_inspect:backone_inspect salah');
+    console.error('  3. MongoDB belum berjalan di server tujuan');
+    console.error('\n[RESULT] ❌ STEP 8 FAIL — Hubungi atasan untuk verifikasi koneksi.\n');
+    process.exit(1);
+  }
+}
+
+checkMongo();