add multiple user and multiple language and fix cve

.replit

@@ -0,0 +1,43 @@
+modules = ["nodejs-20", "web"]
+[agent]
+expertMode = true
+stack = "BEST_EFFORT_FALLBACK"
+
+[nix]
+channel = "stable-25_05"
+
+[workflows]
+runButton = "Project"
+
+[[workflows.workflow]]
+name = "Project"
+mode = "parallel"
+author = "agent"
+
+[[workflows.workflow.tasks]]
+task = "workflow.run"
+args = "Start application"
+
+[[workflows.workflow]]
+name = "Start application"
+author = "agent"
+
+[[workflows.workflow.tasks]]
+task = "shell.exec"
+args = "PORT=5000 NODE_ENV=development node server.js"
+waitForPort = 5000
+
+[workflows.workflow.metadata]
+outputType = "webview"
+
+[[ports]]
+localPort = 3000
+externalPort = 3000
+
+[[ports]]
+localPort = 5000
+externalPort = 80
+
+[deployment]
+deploymentTarget = "vm"
+run = ["node", "server.js"]

public/config.js

@@ -173,4 +173,11 @@ window.addEventListener('load', () => {
 });
 
 // Make theme functions globally available
-window.toggleTheme = toggleTheme; 
+window.toggleTheme = toggleTheme;
+
+// Apply i18n translations after DOM load if i18n module is loaded
+document.addEventListener('DOMContentLoaded', () => {
+    if (window.i18n && window.i18n.applyTranslations) {
+        window.i18n.applyTranslations();
+    }
+});