Add namespace and collection inventories

internal/configuration/load.go

@@ -127,6 +127,8 @@ type loaded struct {
 	backendIDs      []string
 	profileIDs      []string
 	promptIDs       []domain.PromptIdentity
+	namespaces      map[string][]string
+	collections     []CollectionIdentity
 }
 
 type resourceBases struct {
@@ -266,9 +268,38 @@ func load(main configkit.Input, underlays []configkit.Underlay) (*loaded, error)
 	for _, id := range sortedKeys(state.prompts) {
 		state.promptIDs = append(state.promptIDs, domain.PromptIdentity{ID: id, Version: stringPointerValue(state.prompts[id].definition.Version)})
 	}
+	state.namespaces = map[string][]string{
+		"backend": resourceNamespaces(state.backendIDs),
+		"profile": resourceNamespaces(state.profileIDs),
+		"prompt":  promptNamespaces(state.promptIDs),
+	}
+	for _, namespace := range sortedKeys(result.Config.Collections) {
+		collection := result.Config.Collections[namespace]
+		state.collections = append(state.collections, CollectionIdentity{
+			Namespace: namespace, ReleaseVersion: stringPointerValue(collection.ReleaseVersion),
+		})
+	}
 	return state, nil
 }
 
+func resourceNamespaces(ids []string) []string {
+	namespaces := make(map[string]struct{})
+	for _, id := range ids {
+		if namespace, _, qualified := strings.Cut(id, "/"); qualified {
+			namespaces[namespace] = struct{}{}
+		}
+	}
+	return sortedKeys(namespaces)
+}
+
+func promptNamespaces(prompts []domain.PromptIdentity) []string {
+	ids := make([]string, len(prompts))
+	for index := range prompts {
+		ids[index] = prompts[index].ID
+	}
+	return resourceNamespaces(ids)
+}
+
 func checkConfigurationVersion(version configkit.Version, validation *configkit.Validation) error {
 	if !version.Present {
 		return nil