Add daily planning module

internal/module/module.go

@@ -26,6 +26,7 @@ const (
 	OutdoorWindows          ID = "outdoor_windows"
 	TodayPlanning           ID = "today_planning"
 	TomorrowPlanning        ID = "tomorrow_planning"
+	DailyPlanning           ID = "daily_planning"
 )
 
 type ConfigItem struct {
@@ -151,3 +152,4 @@ type SPCConvectiveDiscussionOptions struct{}
 type OutdoorWindowsOptions struct{}
 type TodayPlanningOptions struct{}
 type TomorrowPlanningOptions struct{}
+type DailyPlanningOptions struct{}

internal/module/module_test.go

@@ -100,3 +100,11 @@ func TestSPCConvectiveModuleContractsAreStable(t *testing.T) {
 	_ = SPCConvectiveOutlooksOptions{}
 	_ = SPCConvectiveDiscussionOptions{}
 }
+
+func TestDailyPlanningModuleContractIsStable(t *testing.T) {
+	if DailyPlanning != ID("daily_planning") {
+		t.Fatalf("DailyPlanning = %q, want stable module ID", DailyPlanning)
+	}
+
+	_ = DailyPlanningOptions{}
+}