Add nested block structure fragment

web/lib/queries/index.js

@@ -192,6 +192,77 @@ export const routeQuery = groq`
               ),
               canvasUrl,
             }
+          },
+          _type == 'SubStory' => { // Ai! Deeply nested full block content
+            ...,
+            content[] {
+              ...,
+              _type == 'SingleObject' => {
+                ...,
+                item-> {
+                  _id,
+                  label,
+                  "owner": hasCurrentOwner[]-> {
+                    _id,
+                    label
+                  },
+                  "manifest": coalesce(
+                    subjectOfManifest, 
+                    manifestUrl,
+                    "/api/manifest/" + _id
+                  ),
+                  canvasUrl,
+                }
+              },
+              _type == 'PageHeader' => {
+                ...,
+                "palette": illustration.image.asset->.metadata.palette{
+                  darkMuted,
+                  darkVibrant,
+                  dominant,
+                  lightMuted,
+                  vibrantMuted,
+                  muted,
+                  vibrant
+                }
+              },
+              _type == 'MiradorGallery' => {
+                ...,
+                items[] {
+                  _id,
+                  label,
+                  view,
+                  "owner": manifestRef->.hasCurrentOwner[]->{
+                    _id,
+                    label
+                  },
+                  "manifest": coalesce(
+                    manifestRef->.subjectOfManifest, 
+                    manifestUrl,
+                    "/api/manifest/" + manifestRef->._id
+                  ),
+                  canvasUrl,
+                },
+              },
+              _type == 'SingleObject' => {
+                ...,
+                view,
+                item-> {
+                  _id,
+                  label,
+                  "owner": hasCurrentOwner[]-> {
+                    _id,
+                    label
+                  },
+                  "manifest": coalesce(
+                    subjectOfManifest, 
+                    manifestUrl,
+                    "/api/manifest/" + _id
+                  ),
+                  canvasUrl,
+                }
+              },
+            }
           }
         },
         content[] {