Clean duplicate title shown in reference snippets of hierarchical docs

Hierarchical documents like org-mode, markdown have their ancestry
shown in first line. Remove it to show cleaner, deduplicated reference
text from org-mode, markdown files

src/interface/web/app/components/chatMessage/chatMessage.tsx

@@ -252,15 +252,11 @@ export default function ChatMessage(props: ChatMessageProps) {
 
     useEffect(() => {
         const observer = new MutationObserver((mutationsList, observer) => {
-            console.log("called mutation observer");
             // If the addedNodes property has one or more nodes
             if (messageRef.current) {
                 for (let mutation of mutationsList) {
                     if (mutation.type === "childList" && mutation.addedNodes.length > 0) {
                         // Call your function here
-
-                        console.log("render katex in body");
-
                         renderMathInElement(messageRef.current, {
                             delimiters: [
                                 { left: "$$", right: "$$", display: true },

src/interface/web/app/components/referencePanel/referencePanel.tsx

@@ -35,11 +35,20 @@ interface NotesContextReferenceCardProps extends NotesContextReferenceData {
     showFullContent: boolean;
 }
 
+function extractSnippet(props: NotesContextReferenceCardProps): string {
+    const hierarchicalFileExtensions = ["org", "md", "markdown"];
+    const extension = props.title.split(".").pop() || "";
+    const cleanContent = hierarchicalFileExtensions.includes(extension)
+        ? props.content.split("\n").slice(1).join("\n")
+        : props.content;
+    return props.showFullContent
+        ? DOMPurify.sanitize(md.render(cleanContent))
+        : DOMPurify.sanitize(cleanContent);
+}
+
 function NotesContextReferenceCard(props: NotesContextReferenceCardProps) {
-    const snippet = props.showFullContent
-        ? DOMPurify.sanitize(md.render(props.content))
-        : DOMPurify.sanitize(props.content);
     const fileIcon = getIconFromFilename(props.title || ".txt", "w-6 h-6 text-muted-foreground inline-flex mr-2");
+    const snippet = extractSnippet(props);
     const [isHovering, setIsHovering] = useState(false);
 
     return (