fix: Use relative URLs for API calls in production

static/script.js

@@ -56,7 +56,7 @@ document.addEventListener("DOMContentLoaded", () => {
         }
 
         try {
-            const response = await fetch("http://localhost:5000/api/conversations", {
+            const response = await fetch("/api/conversations", {
                 method: "DELETE",
                 headers: { "Content-Type": "application/json" },
                 body: JSON.stringify({ userId: currentUserId }) // Send userID to be deleted
@@ -127,7 +127,7 @@ document.addEventListener("DOMContentLoaded", () => {
         chatLog.scrollTop = chatLog.scrollHeight;
         
         try {
-            const response = await fetch("http://localhost:5000/api/chat", {
+            const response = await fetch("/api/chat", {
                 method: "POST",
                 headers: { "Content-Type": "application/json" },
                 body: JSON.stringify({
@@ -233,7 +233,7 @@ document.addEventListener("DOMContentLoaded", () => {
     async function initializeApp() {
         if (!currentUserId) return;
         try {
-            const response = await fetch(`http://localhost:5000/api/conversations?userId=${currentUserId}`);
+            const response = await fetch(`/api/conversations?userId=${currentUserId}`);
             if (!response.ok) {
                 throw new Error("Failed to load history");
             }