fix: Resolve repository URL for install/update (registry + install fallbacks)

src/handlers/registry/registry.go

@@ -137,17 +137,13 @@ func GetRegistry(w http.ResponseWriter, r *http.Request) {
 		pkgNameLower := strings.ToLower(pkg.Name)
 		imageRef := fmt.Sprintf("git.dcntrlized.org/%s/%s:%s", ociOrg, pkgNameLower, pkg.Version)
 
-		// Default fallback source from Gitea REST API
-		source := pkg.HTMLURL
-		if pkg.Repository != nil && pkg.Repository.HTMLURL != "" {
-			source = pkg.Repository.HTMLURL
-		}
-
+		// The Gitea package API does not link org-level container packages to a
+		// repository, so the repository URL is resolved from the image's OCI
+		// labels below, or derived from the image reference as a last resort.
 		item := types.RegistryContainer{
 			Name:      pkg.Name,
 			Version:   normalizeSemver(pkg.Version),
 			Image:     imageRef,
-			Source:    source,
 			CreatedAt: pkg.CreatedAt,
 		}
 
@@ -240,6 +236,17 @@ func GetRegistry(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 
+		// Resolve the source repository URL: OCI source label if present, else
+		// derived from the image reference (host/org/repo).
+		if item.Source == "" {
+			item.Source = repoURLFromImageRef(imageRef)
+		}
+		// The compose file is fetched from the git repository, so fall back to
+		// the resolved source URL when the OCI url label is absent.
+		if item.URL == "" {
+			item.URL = item.Source
+		}
+
 		registryItems = append(registryItems, item)
 	}
 
@@ -248,3 +255,13 @@ func GetRegistry(w http.ResponseWriter, r *http.Request) {
 		logger.Error("Failed to write response: %v", err)
 	}
 }
+
+// repoURLFromImageRef derives the repository browse URL from a container image
+// reference of the form host/org/repo:tag (https://host/org/repo).
+func repoURLFromImageRef(imageRef string) string {
+	ref, err := name.ParseReference(imageRef)
+	if err != nil {
+		return ""
+	}
+	return "https://" + ref.Context().RegistryStr() + "/" + ref.Context().RepositoryStr()
+}