Split Tomorrow report identity

internal/report/period_test.go

@@ -37,7 +37,7 @@ func TestTomorrowValidPeriodFromEveningGeneration(t *testing.T) {
 	location := mustLoadLocation(t)
 	now := mustParse("2026-05-29T20:00:00-05:00")
 
-	resolved, err := Resolve(DailyTomorrow, ResolveRequest{Now: now, Location: location})
+	resolved, err := Resolve(Tomorrow, ResolveRequest{Now: now, Location: location})
 	if err != nil {
 		t.Fatalf("Resolve() error = %v", err)
 	}
@@ -207,8 +207,8 @@ func TestEveningBatchIncludesTomorrow(t *testing.T) {
 		t.Fatalf("BatchReports() error = %v", err)
 	}
 	ids := resolvedIDs(resolved)
-	if strings.Join(ids, ",") != "daily_tomorrow" {
-		t.Fatalf("ids = %v, want daily_tomorrow", ids)
+	if strings.Join(ids, ",") != "tomorrow" {
+		t.Fatalf("ids = %v, want tomorrow", ids)
 	}
 }
 
@@ -243,7 +243,7 @@ func TestRegistryLookupErrorIsActionable(t *testing.T) {
 
 func TestRegistryAllIncludesHourlyInStableOrder(t *testing.T) {
 	ids := resolvedDefinitionIDs(DefaultRegistry().All())
-	want := []string{"daily_today", "daily_tomorrow", "hourly", "three_day", "weekend", "storm"}
+	want := []string{"daily_today", "tomorrow", "hourly", "three_day", "weekend", "storm"}
 	if strings.Join(ids, ",") != strings.Join(want, ",") {
 		t.Fatalf("All() ids = %#v, want %#v", ids, want)
 	}
@@ -306,15 +306,15 @@ func TestRegistryDefinitionsDeclarePathAndCompatibilityPolicy(t *testing.T) {
 			artifactGroup:      "daily",
 			batchOutputName:    "daily.md",
 			generated:          true,
-			compatiblePriorIDs: []ID{DailyToday, DailyTomorrow},
+			compatiblePriorIDs: []ID{DailyToday},
 			comparisonStrategy: CompareSameValidDate,
 		},
 		{
-			id:                 DailyTomorrow,
-			artifactGroup:      "daily",
+			id:                 Tomorrow,
+			artifactGroup:      "tomorrow",
 			batchOutputName:    "tomorrow.md",
 			generated:          true,
-			compatiblePriorIDs: []ID{DailyToday, DailyTomorrow},
+			compatiblePriorIDs: []ID{Tomorrow},
 			comparisonStrategy: CompareSameValidDate,
 		},
 		{
@@ -406,7 +406,7 @@ func TestRegistryDefinitionsDeclareDefaultModules(t *testing.T) {
 			},
 		},
 		{
-			id: DailyTomorrow,
+			id: Tomorrow,
 			want: []module.ID{
 				module.Metadata,
 				module.CurrentConditions,