fix jetstream using wrong manifest key

pkg/appview/jetstream/processor.go

@@ -107,6 +107,15 @@ func (p *Processor) ProcessManifest(ctx context.Context, did string, recordData
 	// Detect manifest type
 	isManifestList := len(manifestRecord.Manifests) > 0
 
+	// Extract hold DID from manifest (with fallback for legacy manifests)
+	// New manifests use holdDid field (DID format)
+	// Old manifests use holdEndpoint field (URL format) - convert to DID
+	holdDID := manifestRecord.HoldDID
+	if holdDID == "" && manifestRecord.HoldEndpoint != "" {
+		// Legacy manifest - convert URL to DID
+		holdDID = atproto.ResolveHoldDIDFromURL(manifestRecord.HoldEndpoint)
+	}
+
 	// Prepare manifest for insertion (WITHOUT annotation fields)
 	manifest := &db.Manifest{
 		DID:           did,
@@ -114,7 +123,7 @@ func (p *Processor) ProcessManifest(ctx context.Context, did string, recordData
 		Digest:        manifestRecord.Digest,
 		MediaType:     manifestRecord.MediaType,
 		SchemaVersion: manifestRecord.SchemaVersion,
-		HoldEndpoint:  manifestRecord.HoldEndpoint,
+		HoldEndpoint:  holdDID,
 		CreatedAt:     manifestRecord.CreatedAt,
 		// Annotations removed - stored separately in repository_annotations table
 	}