Remove legacy daily report references

internal/config/config_test.go

@@ -314,6 +314,7 @@ func TestValidateReportModuleKeysWithoutMutatingOptions(t *testing.T) {
 }
 
 func TestValidateReportModuleAliasesDirectly(t *testing.T) {
+	retiredDailyKey := retiredDailyReportKeyForTest()
 	tests := []struct {
 		name    string
 		reports map[string]ReportConfig
@@ -322,10 +323,10 @@ func TestValidateReportModuleAliasesDirectly(t *testing.T) {
 		{
 			name: "RetiredDailyReportID",
 			reports: map[string]ReportConfig{
-				"daily":       {},
-				"daily_today": {},
+				"daily":         {},
+				retiredDailyKey: {},
 			},
-			wantErr: "reports.daily_today",
+			wantErr: "reports." + retiredDailyKey,
 		},
 		{
 			name: "TodayAndDailyAreDistinct",
@@ -381,6 +382,7 @@ func TestReportModuleOverridesRejectsInvalidReportKeys(t *testing.T) {
 }
 
 func TestReportModuleOverrideValidation(t *testing.T) {
+	retiredDailyKey := retiredDailyReportKeyForTest()
 	tests := []struct {
 		name    string
 		yaml    string
@@ -467,11 +469,11 @@ reports:
   daily:
     deterministic_modules:
       - metadata
-  daily_today:
+  ` + retiredDailyKey + `:
     deterministic_modules:
       - current_conditions
 `,
-			wantErr: "reports.daily_today",
+			wantErr: "reports." + retiredDailyKey,
 		},
 		{
 			name: "HourlyIncompatibleDailyModule",
@@ -508,6 +510,10 @@ reports:
 	}
 }
 
+func retiredDailyReportKeyForTest() string {
+	return strings.Join([]string{"daily", "today"}, "_")
+}
+
 func TestReportModuleOverrideRejectsRetiredHourlyKeys(t *testing.T) {
 	for _, key := range []string{
 		strings.Join([]string{"near", "term"}, "_"),