fix: make target progress reflect fresh state

internal/target/target.go

@@ -33,6 +33,10 @@ type Inspection struct {
 	Evidence string
 }
 
+// OperationResult reports the adapter's immediate operation outcome. When Err
+// is non-nil, Inspection is advisory because it may have been captured before a
+// partial write or command failure. The Application explicitly calls Inspect
+// before publishing the final state of a failed operation.
 type OperationResult struct {
 	Inspection Inspection
 	Err        error