add helm badge to tags

pkg/appview/static/css/style.css

@@ -1569,6 +1569,26 @@ a.license-badge:hover {
     margin-left: 0.5rem;
 }
 
+/* Helm chart badge */
+.badge-helm {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.25rem;
+    padding: 0.25rem 0.6rem;
+    font-size: 0.75rem;
+    font-weight: 600;
+    border-radius: 12px;
+    background: #0f1689;
+    color: #fff;
+    white-space: nowrap;
+    margin-left: 0.5rem;
+}
+
+.badge-helm svg {
+    width: 12px;
+    height: 12px;
+}
+
 .platform-badge {
     display: inline-flex;
     align-items: center;

pkg/appview/storage/manifest_store.go

@@ -92,11 +92,17 @@ func (s *ManifestStore) Get(ctx context.Context, dgst digest.Digest, options ...
 		}
 	}
 
+	// Determine media type - prefer record field, fallback to blob mimeType for old records
+	mediaType := manifestRecord.MediaType
+	if mediaType == "" && manifestRecord.ManifestBlob != nil {
+		mediaType = manifestRecord.ManifestBlob.MimeType
+	}
+
 	// Parse the manifest based on media type
 	// For now, we'll return the raw bytes wrapped in a manifest object
 	// In a full implementation, you'd use distribution's manifest parsing
 	return &rawManifest{
-		mediaType: manifestRecord.MediaType,
+		mediaType: mediaType,
 		payload:   ociManifest,
 	}, nil
 }

pkg/appview/templates/pages/repository.html

@@ -146,7 +146,9 @@
                             <div class="tag-item-header">
                                 <div>
                                     <span class="tag-name-large">{{ .Tag.Tag }}</span>
-                                    {{ if .IsMultiArch }}
+                                    {{ if eq .ArtifactType "helm-chart" }}
+                                        <span class="badge-helm"><i data-lucide="anchor"></i> Helm</span>
+                                    {{ else if .IsMultiArch }}
                                         <span class="badge-multi">Multi-arch</span>
                                     {{ end }}
                                     {{ if .HasAttestations }}