update

frontend/src/markdown.js

@@ -71,3 +71,12 @@ export function renderMarkdown(text) {
 export function renderMarkdownInline(text) {
   return DOMPurify.sanitize(marked.parseInline(text || ''))
 }
+
+// Markdown in Top-Level-Blöcke zerlegen: je Block { raw (exakte Quelle), html }.
+// raw ist verlustfrei (tokens.map(raw).join('') === Original) → Block-genaues Ersetzen.
+export function renderBloecke(text) {
+  const tokens = marked.lexer(text || '')
+  return tokens
+    .filter((t) => t.type !== 'space' && (t.raw || '').trim())
+    .map((t) => ({ raw: t.raw, html: DOMPurify.sanitize(marked.parser([t])) }))
+}