style: modified returned markdown to be more user-friendly.

src/modules/chatbot/components/dialogue-phrase.vue

@@ -9,7 +9,7 @@ const props = defineProps<{
 
 // Initialize Markdown parser
 const md = new MarkdownIt({
-    breaks: true,       // Support line breaks
+    breaks: false,       // Support line breaks
     linkify: true,      // Make URLs clickable
     html: false         // Prevent raw HTML injection
 })
@@ -17,7 +17,11 @@ const md = new MarkdownIt({
 // Removes all the h1,h2,h3 to make the Md more user friendly
 const cleanMarkdown = (markdown: string): string => {
     if (!markdown) return ''
-    return markdown.replace(/^#{1,3}\s(.*)$/gm, '#### $1')
+    return markdown
+        .replace(/\r\n/g, '\n')                         // normalize Windows line endings
+        .replace(/([.!?])(\s+)(?=[A-Z])/g, '$1\n')      // insert line break after sentence-ending punctuation
+        .replace(/\n{3,}/g, '\n\n')                     // squash triple+ line breaks
+        .replace(/^#{1,3}\s(.*)$/gm, '#### $1')         // downgrade headings
 }
 
 // Compute parsed content