Generic Commit; Most likely a fix or small feature

src/components/Scanner.astro

@@ -879,6 +879,16 @@ body {
         }
     }
 
+    function waitForElement(id: string, callback: Function) {
+        const interval = setInterval(() => {
+            const element = document.getElementById(id);
+            if (element) {
+                clearInterval(interval);
+                callback(element);
+            }
+        }, 100); // Check every 100ms
+    }
+
     async function startScanner() {
         try {
             if (!window.ZXing) {
@@ -894,6 +904,7 @@ body {
             codeReader = new window.ZXing.BrowserMultiFormatReader();
 
             document.getElementById('start-scanner-btn').addEventListener('click', () => {
+              waitForElement('scanner-video', () => {
                 codeReader.decodeFromVideoDevice(undefined, 'scanner-video', (result: unknown, err: unknown) => {
                     if (result) {
                         const code = result.getText();
@@ -903,6 +914,7 @@ body {
                         searchProduct(code);
                     }
                 })
+              })
             })
         } catch (err) {
             console.error("Scanner error:", err);