Keep assistantd enabled: without it the simulator's Spotlight app leaks memory without bound

cmd/simslim/wizard_test.go

@@ -71,7 +71,7 @@ func TestRunProfileWizard(t *testing.T) {
 			// Drill into siri (row 2), keep its first daemon, back out, save.
 			name:     "drill in keeps an individual daemon",
 			input:    "\n\n" + arrowDown + arrowRight + space + arrowLeft + enter,
-			wantKeep: []string{"com.apple.assistantd"},
+			wantKeep: []string{"com.apple.assistant_cdmd"},
 		},
 		{
 			// A kept daemon is dropped when its whole feature is also kept.

profiles.go

@@ -49,7 +49,6 @@ var Categories = []Category{
 		Downside:       "Siri, speech features, and Apple Intelligence services are unavailable.",
 		ApproxMemoryMB: 265,
 		Labels: []string{
-			"com.apple.assistantd",
 			"com.apple.assistant_cdmd",
 			"com.apple.assistant_service",
 			"com.apple.siriactionsd",
@@ -79,6 +78,12 @@ var Categories = []Category{
 			"com.apple.parsec-fbf",
 			"com.apple.proactiveeventtrackerd",
 		},
+		AlwaysEnabled: []AlwaysEnabledService{
+			{
+				Label:  "com.apple.assistantd",
+				Reason: "Hosts the dictation service; without it the system Spotlight app leaks memory.",
+			},
+		},
 	},
 	{
 		ID:             "search",

profiles_test.go

@@ -185,6 +185,36 @@ func TestGamedStaysEnabledForXCTest(t *testing.T) {
 	}
 }
 
+func TestAssistantdStaysEnabledForSpotlight(t *testing.T) {
+	const label = "com.apple.assistantd"
+	desired := (Profile{}).Desired()
+	if SlimmableSet()[label] || desired[label] {
+		t.Error("assistantd must stay enabled: without its dictation service Spotlight leaks memory")
+	}
+	siri, ok := CategoryByID("siri")
+	if !ok {
+		t.Fatal("siri category is missing")
+	}
+	found := false
+	for _, service := range siri.AlwaysEnabled {
+		if service.Label == label && strings.TrimSpace(service.Reason) != "" {
+			found = true
+		}
+	}
+	if !found {
+		t.Error("siri must explain why assistantd stays enabled")
+	}
+	_, toEnable := delta(map[string]bool{label: true}, desired, managedSet())
+	if !reflect.DeepEqual(toEnable, []string{label}) {
+		t.Errorf("legacy disabled assistantd repair = %v, want [%s]", toEnable, label)
+	}
+	for _, other := range []string{"com.apple.assistant_service", "com.apple.corespeechd", "com.apple.siriknowledged"} {
+		if !desired[other] {
+			t.Errorf("other Siri service %q should remain slimmable", other)
+		}
+	}
+}
+
 func TestCategoriesHaveUserImpactMetadata(t *testing.T) {
 	for _, c := range Categories {
 		if c.Downside == "" {

service_descriptions.go

@@ -11,7 +11,6 @@ var serviceDescriptionByLabel = map[string]string{
 	"com.apple.liveactivitiesd": "Updates Live Activities and Dynamic Island content.",
 
 	// Siri & Intelligence
-	"com.apple.assistantd":             "Coordinates Siri requests and assistant state.",
 	"com.apple.assistant_cdmd":         "Routes commands and intents submitted to Siri.",
 	"com.apple.assistant_service":      "Provides supporting services for Siri requests.",
 	"com.apple.siriactionsd":           "Executes Siri actions and App Intents.",

status_test.go

@@ -10,7 +10,7 @@ func TestDroppedCategories(t *testing.T) {
 	disabled := map[string]bool{
 		search.Labels[0]:            true,
 		search.Labels[1]:            true,
-		"com.apple.assistantd":      true,
+		"com.apple.assistant_cdmd":  true,
 		"com.apple.not-a-managed-d": true,
 	}
 
@@ -26,8 +26,8 @@ func TestDroppedCategories(t *testing.T) {
 	if labels := byID["search"].Labels; len(labels) != 2 {
 		t.Errorf("search dropped labels = %v, want 2", labels)
 	}
-	if labels := byID["siri"].Labels; len(labels) != 1 || labels[0] != "com.apple.assistantd" {
-		t.Errorf("siri dropped labels = %v, want [com.apple.assistantd]", labels)
+	if labels := byID["siri"].Labels; len(labels) != 1 || labels[0] != "com.apple.assistant_cdmd" {
+		t.Errorf("siri dropped labels = %v, want [com.apple.assistant_cdmd]", labels)
 	}
 	for _, c := range got {
 		if c.Downside == "" {