Rename selected configuration profiles to overlays

internal/engine/load.go

@@ -19,17 +19,17 @@ type Definition[T any] struct {
 }
 
 // Options contains the application definition and per-load input selections.
-// Imports enables explicit path and glob imports; Profile selects one fixed profile
-// overlay; Overrides contains only values explicitly supplied by an application CLI.
+// Imports enables explicit path and glob imports; Overlay selects one fixed overlay;
+// Overrides contains only values explicitly supplied by an application CLI.
 type Options[T any] struct {
 	Definition Definition[T]
 	Imports    bool
-	Profile    string
+	Overlay    string
 	Filesystem *FilesystemContext
 	Overrides  []Override
 }
 
-// FilesystemContext supplies filesystem roots for imports and profiles.
+// FilesystemContext supplies filesystem roots for imports and overlays.
 type FilesystemContext struct {
 	BaseDir string
 	Root    string
@@ -113,7 +113,7 @@ func (r *Inspection) Diagnostics() []Diagnostic {
 }
 
 // Load parses and strictly decodes zero or one selected source, explicitly enabled
-// imports, and one selected profile. It accepts at most one Options value and
+// imports, and one selected overlay. It accepts at most one Options value and
 // returns no result when any error is reported.
 func Load[T any](source Source, secrets SecretBinding, supplied ...Options[T]) (*Loaded[T], error) {
 	return loadWithSecretLookup(source, secrets, os.LookupEnv, supplied...)