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-all-assets.js

@@ -0,0 +1,32 @@
+const axios = require('axios');
+
+async function main() {
+  console.log('Fetching /login HTML to find all asset paths...');
+  const res = await axios.get('https://demoplace.my.id/login');
+  const html = res.data;
+  
+  // Extract all /_next/static/ paths
+  const matches = html.match(/\/(_next|public)\/[a-zA-Z0-9_\-\.\/]+/g) || [];
+  const uniquePaths = [...new Set(matches)];
+  
+  console.log(`Found ${uniquePaths.length} unique asset paths to check:`);
+  
+  let failed = 0;
+  for (const assetPath of uniquePaths) {
+    const url = `https://demoplace.my.id${assetPath}`;
+    try {
+      const assetRes = await axios.get(url);
+      console.log(`✓ [200 OK] ${assetPath} (${assetRes.headers['content-length'] || assetRes.data.length} bytes)`);
+    } catch (err) {
+      console.error(`✗ [FAIL] ${assetPath}: ${err.message}`);
+      failed++;
+    }
+  }
+  
+  console.log(`\n=== Verification Complete: ${uniquePaths.length - failed} passed, ${failed} failed ===`);
+  if (failed > 0) {
+    process.exit(1);
+  }
+}
+
+main().catch(console.error);