feat: regenerate keyboard shortcut

src/lib/components/chat/MessageInput.svelte

@@ -442,6 +442,20 @@
 								}
 							}}
 							on:keydown={async (e) => {
+								const isCtrlPressed = e.ctrlKey || e.metaKey; // metaKey is for Cmd key on Mac
+
+								// Check if Ctrl + R is pressed
+								if (prompt === '' && isCtrlPressed && e.key.toLowerCase() === 'r') {
+									e.preventDefault();
+									console.log('regenerate');
+
+									const regenerateButton = [
+										...document.getElementsByClassName('regenerate-response-button')
+									]?.at(-1);
+
+									regenerateButton?.click();
+								}
+
 								if (prompt === '' && e.key == 'ArrowUp') {
 									e.preventDefault();