Index import dependencies for local scope scheduling

internal/engine/imports_test.go

@@ -1107,6 +1107,70 @@ id: item
 	})
 }
 
+func TestBroadItemScopesKeepHelperOriginsAndDestinations(t *testing.T) {
+	t.Parallel()
+
+	type item struct {
+		ID    string `yaml:"id"`
+		Value string `yaml:"value"`
+	}
+	type config struct {
+		Items []item `yaml:"items"`
+	}
+	directory := t.TempDir()
+	const count = 32
+	var main strings.Builder
+	main.WriteString("configkit:\n  imports:\n")
+	for index := count - 1; index >= 0; index-- {
+		name := strconv.Itoa(100 + index)
+		main.WriteString("    - path: item-" + name + ".yml\n      destination: [items]\n      placement: sequence-item\n")
+		writeImportFile(t, directory, "item-"+name+".yml", "configkit: {imports: [{path: helper-"+name+".yml}]}\nid: item-"+name+"\n")
+		writeImportFile(t, directory, "helper-"+name+".yml", "value: helper-"+name+"\n")
+	}
+	mainPath := writeImportFile(t, directory, "main.yml", main.String())
+	definition := Definition[config]{sequenceIdentityRegistrations: []sequenceIdentityRegistration{{
+		selector: sequenceIdentitySelector{literalSequenceSelector("items")}, identityFields: []string{"id"},
+	}}}
+	for _, layered := range []bool{false, true} {
+		t.Run(strconv.FormatBool(layered), func(t *testing.T) {
+			var loaded *Loaded[config]
+			var err error
+			if layered {
+				loaded, err = LoadLayered(Input{Source: NoSource()}, testSecretBinding(), LayeredOptions[config]{
+					Definition: definition,
+					Underlays:  []Underlay{{Inputs: []Input{{Source: File(mainPath), Imports: true}}}},
+				})
+			} else {
+				loaded, err = Load(File(mainPath), testSecretBinding(), Options[config]{Imports: true, Definition: definition})
+			}
+			if err != nil {
+				t.Fatal(err)
+			}
+			result := testLoaded(loaded)
+			sources := result.Sources()
+			if len(result.Config.Items) != count || len(sources) != 2*count+1 {
+				t.Fatalf("item/source counts = %d/%d", len(result.Config.Items), len(sources))
+			}
+			metadata := result.Metadata()
+			for index, record := range result.Config.Items {
+				name := strconv.Itoa(100 + index)
+				if record.ID != "item-"+name || record.Value != "helper-"+name {
+					t.Fatalf("item %d = %#v", index, record)
+				}
+				// Acquisition remains authored (descending); final item order is
+				// dependency-ready (ascending), with helper evidence reprojected.
+				helper := sources[2*(count-index)]
+				field, found := metadata.Lookup(Keys("items").Index(index).Key("value"))
+				if !found || len(field.Origin.Locations) != 1 || field.Origin.Locations[0].SourceID != helper.ID ||
+					helper.Path != canonicalTestPath(t, filepath.Join(directory, "helper-"+name+".yml")) ||
+					helper.Destination.String() != Keys("items").Index(index).String() {
+					t.Fatalf("item %d helper evidence = %#v, %#v", index, field, helper)
+				}
+			}
+		})
+	}
+}
+
 func TestItemHelperScopeScheduleInterleavesUnequalBranches(t *testing.T) {
 	directory := t.TempDir()
 	mainPath := writeImportFile(t, directory, "main.yml", `configkit: