introduced blocknote editor

surfsense_web/app/api/convert-to-markdown/route.ts

@@ -0,0 +1,31 @@
+import { ServerBlockNoteEditor } from "@blocknote/server-util";
+import { type NextRequest, NextResponse } from "next/server";
+
+export async function POST(request: NextRequest) {
+  try {
+    const { blocknote_document } = await request.json();
+    
+    if (!blocknote_document || !Array.isArray(blocknote_document)) {
+      return NextResponse.json(
+        { error: "BlockNote document array is required" },
+        { status: 400 }
+      );
+    }
+    
+    // Create server-side editor instance
+    const editor = ServerBlockNoteEditor.create();
+    
+    // Convert BlockNote blocks to markdown
+    const markdown = await editor.blocksToMarkdownLossy(blocknote_document);
+    
+    return NextResponse.json({ 
+      markdown 
+    });
+  } catch (error) {
+    console.error("Failed to convert BlockNote to markdown:", error);
+    return NextResponse.json(
+      { error: "Failed to convert BlockNote blocks to markdown" },
+      { status: 500 }
+    );
+  }
+}