Add page indexes to conversation manifests

mindspace-conversation-package.mjs

@@ -142,6 +142,27 @@ function artifactManifestEntry(artifact) {
   };
 }
 
+function groupedManifestEntries(artifacts, keyField, idField) {
+  const groups = new Map();
+  for (const artifact of artifacts) {
+    const key = artifact[keyField];
+    if (!key) continue;
+    const existing = groups.get(key) ?? {
+      [idField]: key,
+      artifactIds: [],
+      createdAt: artifact.createdAt,
+      updatedAt: artifact.createdAt,
+    };
+    existing.artifactIds.push(artifact.id);
+    if (!existing.displayName && artifact.displayName) existing.displayName = artifact.displayName;
+    if (!existing.canonicalUrl && artifact.canonicalUrl) existing.canonicalUrl = artifact.canonicalUrl;
+    existing.createdAt = Math.min(existing.createdAt, artifact.createdAt);
+    existing.updatedAt = Math.max(existing.updatedAt, artifact.createdAt);
+    groups.set(key, existing);
+  }
+  return [...groups.values()].sort((a, b) => a.createdAt - b.createdAt || a[idField].localeCompare(b[idField]));
+}
+
 export function buildConversationPackageManifest({ packageRecord, artifacts = [] }) {
   const record = createConversationPackageRecord(packageRecord);
   const normalizedArtifacts = artifacts
@@ -161,6 +182,8 @@ export function buildConversationPackageManifest({ packageRecord, artifacts = []
     createdAt: record.createdAt,
     updatedAt: record.updatedAt,
     artifacts: normalizedArtifacts.map(artifactManifestEntry),
+    pages: groupedManifestEntries(normalizedArtifacts, 'pageId', 'pageId'),
+    publications: groupedManifestEntries(normalizedArtifacts, 'publicationId', 'publicationId'),
   };
 }