refac

src/lib/components/chat/FileNav.svelte

@@ -750,6 +750,34 @@
 					</Tooltip>
 				{:else if isHtml}
 					<!-- HTML preview mode: no edit/save buttons -->
+				{:else if isMarkdown && showRaw}
+					<Tooltip content={$i18n.t('Save')}>
+						<button
+							class="shrink-0 p-1 rounded hover:bg-gray-100 dark:hover:bg-gray-800 transition text-gray-400 dark:text-gray-500 hover:text-gray-600 dark:hover:text-gray-400"
+							on:click={() => filePreviewRef?.saveCodeFile()}
+							disabled={saving}
+							aria-label={$i18n.t('Save')}
+						>
+							{#if saving}
+								<Spinner className="size-3.5" />
+							{:else}
+								<svg
+									xmlns="http://www.w3.org/2000/svg"
+									viewBox="0 0 20 20"
+									fill="currentColor"
+									class="size-3.5"
+								>
+									<path
+										fill-rule="evenodd"
+										d="M16.704 4.153a.75.75 0 0 1 .143 1.052l-8 10.5a.75.75 0 0 1-1.127.075l-4.5-4.5a.75.75 0 0 1 1.06-1.06l3.894 3.893 7.48-9.817a.75.75 0 0 1 1.05-.143Z"
+										clip-rule="evenodd"
+									/>
+								</svg>
+							{/if}
+						</button>
+					</Tooltip>
+				{:else if isMarkdown}
+					<!-- Markdown preview mode: no edit/save buttons -->
 				{:else if isCode}
 					<Tooltip content={$i18n.t('Save')}>
 						<button