Revert "perf: move marked extension registration to module-level and remove unnecessary async wrapper"

This reverts commit 2ef2b8b.

Author: Algorithm5838

src/lib/components/chat/Messages/Markdown.svelte

@@ -1,33 +1,16 @@
-<script context="module">
+<script>
 	import { marked } from 'marked';
+	import { replaceTokens, processResponseContent } from '$lib/utils';
+	import { user } from '$lib/stores';
 
 	import markedExtension from '$lib/utils/marked/extension';
 	import markedKatexExtension from '$lib/utils/marked/katex-extension';
 	import { disableSingleTilde } from '$lib/utils/marked/strikethrough-extension';
 	import { mentionExtension } from '$lib/utils/marked/mention-extension';
-	import footnoteExtension from '$lib/utils/marked/footnote-extension';
-	import citationExtension from '$lib/utils/marked/citation-extension';
-
-	const options = {
-		throwOnError: false,
-		breaks: true
-	};
-
-	marked.use(markedKatexExtension(options));
-	marked.use(markedExtension(options));
-	marked.use(citationExtension(options));
-	marked.use(footnoteExtension(options));
-	marked.use(disableSingleTilde);
-	marked.use({
-		extensions: [mentionExtension({ triggerChar: '@' }), mentionExtension({ triggerChar: '#' })]
-	});
-</script>
-
-<script>
-	import { replaceTokens, processResponseContent } from '$lib/utils';
-	import { user } from '$lib/stores';
 
 	import MarkdownTokens from './Markdown/MarkdownTokens.svelte';
+	import footnoteExtension from '$lib/utils/marked/footnote-extension';
+	import citationExtension from '$lib/utils/marked/citation-extension';
 
 	export let id = '';
 	export let content;
@@ -52,11 +35,27 @@
 
 	let tokens = [];
 
-	$: if (content) {
-		tokens = marked.lexer(
-			replaceTokens(processResponseContent(content), model?.name, $user?.name)
-		);
-	}
+	const options = {
+		throwOnError: false,
+		breaks: true
+	};
+
+	marked.use(markedKatexExtension(options));
+	marked.use(markedExtension(options));
+	marked.use(citationExtension(options));
+	marked.use(footnoteExtension(options));
+	marked.use(disableSingleTilde);
+	marked.use({
+		extensions: [mentionExtension({ triggerChar: '@' }), mentionExtension({ triggerChar: '#' })]
+	});
+
+	$: (async () => {
+		if (content) {
+			tokens = marked.lexer(
+				replaceTokens(processResponseContent(content), model?.name, $user?.name)
+			);
+		}
+	})();
 </script>
 
 {#key id}