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/sftp_manifest_test.js

@@ -0,0 +1,29 @@
+// test/sftp_manifest_test.js
+const fs = require('fs');
+const path = require('path');
+const assert = require('assert');
+
+const ROOT = path.join(__dirname, '..');
+
+console.log('=== Running TDD SFTP Manifest Verification Test ===');
+
+try {
+  const deployScriptPath = path.join(ROOT, 'scripts', 'deploy-sftp.js');
+  const exists = fs.existsSync(deployScriptPath);
+  assert.ok(exists, 'scripts/deploy-sftp.js must exist');
+  
+  const content = fs.readFileSync(deployScriptPath, 'utf8');
+  
+  // Verify .next/static is in the upload manifest
+  assert.ok(
+    content.includes("local: '.next/static'") || content.includes('local: ".next/static"'),
+    'scripts/deploy-sftp.js must include local: \'.next/static\' in UPLOAD_MANIFEST'
+  );
+  
+  console.log('✓ scripts/deploy-sftp.js includes .next/static in UPLOAD_MANIFEST');
+  console.log('=== ALL TESTS PASSED ===');
+  process.exit(0);
+} catch (err) {
+  console.error('✗ TEST FAILED:', err.message);
+  process.exit(1);
+}