Add configuration path explanations

config.go

@@ -111,6 +111,7 @@ type configInput[C any] struct {
 	Selection       Selection
 	Scope           string
 	Format          string
+	Path            Supplied[string]
 	SelectorContext C
 	selectors       []selectorState[C]
 }
@@ -131,8 +132,8 @@ func RegisterConfig[C any](app *App, suite ConfigSuite[C]) error {
 		return fmt.Errorf("command path %q is already registered", "config")
 	}
 
-	commands := make([]Command, 0, 4)
-	installed := make([]ConfigOperation, 0, 3)
+	commands := make([]Command, 0, 5)
+	installed := make([]ConfigOperation, 0, 4)
 	if configOperationDeclared(normalized.Scopes, ConfigValidate) {
 		validate, err := newConfigValidateCommand(normalized)
 		if err != nil {
@@ -157,6 +158,14 @@ func RegisterConfig[C any](app *App, suite ConfigSuite[C]) error {
 		commands = append(commands, sources)
 		installed = append(installed, ConfigSources)
 	}
+	if configOperationDeclared(normalized.Scopes, ConfigExplain) {
+		explain, err := newConfigExplainCommand(normalized)
+		if err != nil {
+			return err
+		}
+		commands = append(commands, explain)
+		installed = append(installed, ConfigExplain)
+	}
 	command, err := newConfigScopesCommandWithScopes(normalized.Scopes, installed)
 	if err != nil {
 		return err