Capture immutable command declarations

outcome.go

@@ -3,8 +3,16 @@ package commandkit
 import (
 	"io"
 	"strings"
+)
 
-	configkit "gitea.maximumdirect.net/eric/ConfigKit"
+// Severity classifies a neutral diagnostic.
+type Severity string
+
+const (
+	// SeverityWarning indicates information that does not fail the operation.
+	SeverityWarning Severity = "warning"
+	// SeverityError indicates a diagnostic associated with an error.
+	SeverityError Severity = "error"
 )
 
 // OutcomeKind classifies the result of a command invocation.
@@ -38,12 +46,18 @@ const (
 // Write is called by CommandKit's diagnostic delivery path. It should return
 // any error encountered while writing. A nil Write function has no output.
 type Diagnostic struct {
-	// Severity classifies the diagnostic using ConfigKit's public severity type.
-	Severity configkit.Severity
+	// Severity classifies the diagnostic without depending on a provider library.
+	Severity Severity
 	// Write writes the diagnostic to the supplied writer.
 	Write func(io.Writer) error
 }
 
+// Acquired pairs a provider value with diagnostics emitted during acquisition.
+type Acquired[T any] struct {
+	Value       T
+	Diagnostics []Diagnostic
+}
+
 // Outcome is the classified result of an operation.
 //
 // Cause records the operation error. DeliveryError records an error encountered
@@ -95,7 +109,7 @@ func Domain(name string, status int, cause error) Outcome {
 
 // MessageDiagnostic returns a diagnostic that writes message followed by a
 // newline. The writer's error is returned to the caller.
-func MessageDiagnostic(severity configkit.Severity, message string) Diagnostic {
+func MessageDiagnostic(severity Severity, message string) Diagnostic {
 	return Diagnostic{
 		Severity: severity,
 		Write: func(w io.Writer) error {