feat: add report content update endpoint and integrate Platejs editor for markdown editing

surfsense_web/components/editor/plugins/selection-kit.tsx

@@ -0,0 +1,23 @@
+'use client';
+
+import { BlockSelectionPlugin } from '@platejs/selection/react';
+
+import { BlockSelection } from '@/components/ui/block-selection';
+
+export const SelectionKit = [
+  BlockSelectionPlugin.configure({
+    render: {
+      belowRootNodes: BlockSelection as any,
+    },
+    options: {
+      isSelectable: (element) => {
+        // Exclude specific block types from selection
+        if (['code_line', 'td', 'th'].includes(element.type as string)) {
+          return false;
+        }
+
+        return true;
+      },
+    },
+  }),
+];