Add Today planning module scaffold

docs/internal/briefing.md

@@ -33,7 +33,7 @@ Outputs:
   `weather_story`
 - `module.Output` values for derived stanzas:
   `derived_daily_summary`, `derived_daypart_summaries`, `precip_timing`,
-  `outdoor_windows`, and `tomorrow_planning`
+  `outdoor_windows`, `today_planning`, and `tomorrow_planning`
 
 Every registered composition entry has a builder. Unknown or unimplemented
 module IDs fail validation instead of being skipped.
@@ -42,13 +42,17 @@ Tomorrow Report supports the Daily-style civil-day modules plus
 `tomorrow_planning` and `hourly_forecast`; those outputs feed the Tomorrow
 GeneratedText prompt package and embedded Markdown template.
 
+`today_planning` is a Today-specific deterministic planning stanza with
+morning readiness, commute/school/workday concerns, outdoor planning, and
+late-day change-watch fields. It is compatible with `report.Today` only.
+
 Hourly Report supports source and valid-period modules that operate over its
 rolling six-hour period: `metadata`, `current_conditions`, `hourly_forecast`,
 `precip_timing`, `alert_digest`, `spc_convective_outlooks`,
 `area_forecast_discussion`, `spc_convective_discussion`, and `weather_story`.
 It does not support daily/daypart-only modules such as
-`derived_daily_summary`, `derived_daypart_summaries`, `outdoor_windows`, or
+`derived_daily_summary`, `derived_daypart_summaries`, `outdoor_windows`,
-`tomorrow_planning`.
+`today_planning`, or `tomorrow_planning`.
 
 Prompt-facing module values use local, human-readable date and time labels
 where the LLM is expected to reason about report content. Canonical timestamps

docs/internal/module.md

@@ -42,6 +42,7 @@ The registry recognizes these IDs:
 - `spc_convective_discussion`
 - `weather_story`
 - `outdoor_windows`
+- `today_planning`
 - `tomorrow_planning`
 
 Every registered module has a builder. Report composition entries that refer to

internal/briefing/derived_modules_test.go

@@ -337,6 +337,80 @@ func TestOutdoorWindowsAndTomorrowPlanningModulesPreserveDailyContent(t *testing
 	}
 }
 
+func TestTodayPlanningModulePackagesPlanningFields(t *testing.T) {
+	registry := MustDefaultModuleRegistry()
+	ctx := todayModuleContext()
+
+	output, err := registry.BuildModule(ctx, module.ConfigItem{ID: module.TodayPlanning})
+	if err != nil {
+		t.Fatalf("BuildModule(today planning) error = %v", err)
+	}
+	if output.ID != module.TodayPlanning || output.StanzaName != "today_planning" {
+		t.Fatalf("output = %#v, want today planning stanza", output)
+	}
+	planning := moduleValue[TodayPlanningModule](t, output)
+	if len(planning.MorningReadiness) == 0 ||
+		len(planning.CommuteSchoolWorkdayConcerns) == 0 ||
+		len(planning.OutdoorPlanning) == 0 ||
+		len(planning.LateDayChangeWatch) == 0 {
+		t.Fatalf("today planning = %#v, want populated planning fields", planning)
+	}
+	if !containsString(planning.MorningReadiness, "Morning precipitation chance peaks near 60%.") {
+		t.Fatalf("MorningReadiness = %#v, want precipitation readiness note", planning.MorningReadiness)
+	}
+	if !containsString(planning.OutdoorPlanning, "Best outdoor window: Overnight (cold risk).") ||
+		!containsString(planning.OutdoorPlanning, "Toughest outdoor window: Afternoon (high precipitation chance, gusty wind, alert overlap, heat risk).") {
+		t.Fatalf("OutdoorPlanning = %#v, want deterministic best and toughest windows", planning.OutdoorPlanning)
+	}
+	if !containsString(planning.LateDayChangeWatch, "Afternoon precipitation timing may shift; current peak is near 80%.") {
+		t.Fatalf("LateDayChangeWatch = %#v, want late-day change note", planning.LateDayChangeWatch)
+	}
+	data, err := json.Marshal(output.Value)
+	if err != nil {
+		t.Fatalf("marshal today planning: %v", err)
+	}
+	jsonText := string(data)
+	for _, field := range []string{"morning_readiness", "commute_school_workday_concerns", "outdoor_planning", "late_day_change_watch"} {
+		if !strings.Contains(jsonText, field) {
+			t.Fatalf("today planning json = %s, want field %s", jsonText, field)
+		}
+	}
+	if strings.Contains(jsonText, "morningReadiness") || strings.Contains(jsonText, "lateDayChangeWatch") {
+		t.Fatalf("today planning json = %s, want snake_case fields", jsonText)
+	}
+}
+
+func TestTodayPlanningModuleRejectsUnsupportedReports(t *testing.T) {
+	registry := MustDefaultModuleRegistry()
+	for _, id := range []report.ID{report.Tomorrow, report.DailyToday} {
+		t.Run(string(id), func(t *testing.T) {
+			ctx := derivedModuleContext(id)
+			_, err := registry.BuildModule(ctx, module.ConfigItem{ID: module.TodayPlanning})
+			if err == nil || !strings.Contains(err.Error(), `module "today_planning" is not compatible with report`) {
+				t.Fatalf("BuildModule(%s) error = %v, want incompatible report", id, err)
+			}
+		})
+	}
+}
+
+func TestTodayPlanningModuleHandlesMissingDailySummary(t *testing.T) {
+	registry := MustDefaultModuleRegistry()
+	ctx := todayModuleContext()
+	ctx.Derived.DailySummaries = nil
+
+	output, err := registry.BuildModule(ctx, module.ConfigItem{ID: module.TodayPlanning})
+	if err != nil {
+		t.Fatalf("BuildModule(today planning) error = %v", err)
+	}
+	planning := moduleValue[TodayPlanningModule](t, output)
+	if len(planning.MorningReadiness) != 0 ||
+		len(planning.CommuteSchoolWorkdayConcerns) != 0 ||
+		len(planning.OutdoorPlanning) != 0 ||
+		len(planning.LateDayChangeWatch) != 0 {
+		t.Fatalf("today planning = %#v, want empty output without daily summary", planning)
+	}
+}
+
 func TestDerivedModulesHandleMissingData(t *testing.T) {
 	registry := MustDefaultModuleRegistry()
 	ctx := derivedModuleContext(report.DailyToday)
@@ -430,6 +504,16 @@ func derivedModuleContext(id report.ID) ModuleContext {
 	}
 }
 
+func todayModuleContext() ModuleContext {
+	ctx := derivedModuleContext(report.DailyToday)
+	ctx.Resolved.Definition = report.Definition{
+		ID:       report.Today,
+		Name:     "Today Report",
+		PromptID: "weather.today_generated_text",
+	}
+	return ctx
+}
+
 func derivedDaypart(name string, start string, end string, text string, temperature float64, apparent *float64, precip float64, gust float64) forecast.DaypartSummary {
 	hour := derivedHour(start, text, precip, temperature, apparent, gust)
 	return forecast.SummarizeDaypart(name, timeutil.Period{

internal/briefing/modules.go

@@ -249,8 +249,8 @@ func (d ModuleDefinition) ValidateOptions(options any) error {
 }
 
 func defaultModuleDefinitions() []ModuleDefinition {
-	allReports := []report.ID{report.DailyToday, report.Tomorrow, report.Hourly, report.ThreeDay, report.Weekend, report.Storm}
+	allReports := []report.ID{report.DailyToday, report.Today, report.Tomorrow, report.Hourly, report.ThreeDay, report.Weekend, report.Storm}
-	daypartReports := []report.ID{report.DailyToday, report.Tomorrow, report.ThreeDay, report.Weekend}
+	daypartReports := []report.ID{report.DailyToday, report.Today, report.Tomorrow, report.ThreeDay, report.Weekend}
 	return []ModuleDefinition{
 		{
 			ID:                module.Metadata,
@@ -276,7 +276,7 @@ func defaultModuleDefinitions() []ModuleDefinition {
 			DefaultOptions:    module.NarrativeForecastOptions{},
 			RequiredCollected: []module.FactRequirement{module.CollectedNarrativeForecast},
 			RequiredDerived:   []module.FactRequirement{module.RequiresDerivedNarrativePeriods},
-			SupportedReports:  []report.ID{report.DailyToday, report.Tomorrow},
+			SupportedReports:  []report.ID{report.DailyToday, report.Today, report.Tomorrow},
 			MissingData:       module.MissingDataOmit,
 			Builder:           buildNarrativeForecastModule,
 		},
@@ -286,7 +286,7 @@ func defaultModuleDefinitions() []ModuleDefinition {
 			DefaultOptions:    module.HourlyForecastOptions{},
 			RequiredCollected: []module.FactRequirement{module.CollectedHourlyForecast},
 			RequiredDerived:   []module.FactRequirement{module.RequiresDerivedHourlyPeriods},
-			SupportedReports:  []report.ID{report.DailyToday, report.Tomorrow, report.Hourly},
+			SupportedReports:  []report.ID{report.DailyToday, report.Today, report.Tomorrow, report.Hourly},
 			MissingData:       module.MissingDataOmit,
 			Builder:           buildHourlyForecastModule,
 		},
@@ -295,7 +295,7 @@ func defaultModuleDefinitions() []ModuleDefinition {
 			StanzaName:       "derived_daily_summary",
 			DefaultOptions:   module.DerivedDailySummaryOptions{},
 			RequiredDerived:  []module.FactRequirement{module.RequiresDerivedDailySummaries, module.RequiresDerivedPrecipTiming},
-			SupportedReports: []report.ID{report.DailyToday, report.Tomorrow},
+			SupportedReports: []report.ID{report.DailyToday, report.Today, report.Tomorrow},
 			MissingData:      module.MissingDataError,
 			Builder:          buildDerivedDailySummaryModule,
 		},
@@ -374,6 +374,15 @@ func defaultModuleDefinitions() []ModuleDefinition {
 			MissingData:      module.MissingDataEmpty,
 			Builder:          buildOutdoorWindowsModule,
 		},
+		{
+			ID:               module.TodayPlanning,
+			StanzaName:       "today_planning",
+			DefaultOptions:   module.TodayPlanningOptions{},
+			RequiredDerived:  []module.FactRequirement{module.RequiresDerivedDailySummaries},
+			SupportedReports: []report.ID{report.Today},
+			MissingData:      module.MissingDataEmpty,
+			Builder:          buildTodayPlanningModule,
+		},
 		{
 			ID:               module.TomorrowPlanning,
 			StanzaName:       "tomorrow_planning",

internal/briefing/modules_test.go

@@ -112,6 +112,43 @@ func TestModuleRegistryRejectsIncompatibleReports(t *testing.T) {
 	}
 }
 
+func TestModuleRegistryValidatesTodayPlanningSupport(t *testing.T) {
+	registry := MustDefaultModuleRegistry()
+	if err := registry.ValidateComposition(report.Today, []module.ConfigItem{{ID: module.TodayPlanning}}); err != nil {
+		t.Fatalf("ValidateComposition(today) error = %v", err)
+	}
+	for _, id := range []report.ID{report.Tomorrow, report.DailyToday} {
+		t.Run(string(id), func(t *testing.T) {
+			err := registry.ValidateComposition(id, []module.ConfigItem{{ID: module.TodayPlanning}})
+			if err == nil || !strings.Contains(err.Error(), `module "today_planning" is not compatible with report`) {
+				t.Fatalf("ValidateComposition(%s) error = %v, want incompatible report", id, err)
+			}
+		})
+	}
+}
+
+func TestModuleRegistrySupportsTodayEligibleModules(t *testing.T) {
+	registry := MustDefaultModuleRegistry()
+	err := registry.ValidateComposition(report.Today, []module.ConfigItem{
+		{ID: module.Metadata},
+		{ID: module.CurrentConditions},
+		{ID: module.NarrativeForecast},
+		{ID: module.HourlyForecast},
+		{ID: module.DerivedDailySummary},
+		{ID: module.DerivedDaypartSummaries},
+		{ID: module.PrecipTiming},
+		{ID: module.AlertDigest},
+		{ID: module.SPCConvectiveOutlooks},
+		{ID: module.AreaForecastDiscussion},
+		{ID: module.SPCConvectiveDiscussion},
+		{ID: module.WeatherStory},
+		{ID: module.OutdoorWindows},
+	})
+	if err != nil {
+		t.Fatalf("ValidateComposition(today eligible modules) error = %v", err)
+	}
+}
+
 func TestModuleRegistryRejectsHourlyIncompatibleModules(t *testing.T) {
 	registry := MustDefaultModuleRegistry()
 	for _, id := range []module.ID{
@@ -119,6 +156,7 @@ func TestModuleRegistryRejectsHourlyIncompatibleModules(t *testing.T) {
 		module.DerivedDailySummary,
 		module.DerivedDaypartSummaries,
 		module.OutdoorWindows,
+		module.TodayPlanning,
 		module.TomorrowPlanning,
 	} {
 		t.Run(string(id), func(t *testing.T) {

internal/briefing/summary_helpers.go

@@ -28,6 +28,13 @@ type TomorrowPlanning struct {
 	OvernightChangeWatch         []string
 }
 
+type TodayPlanning struct {
+	MorningReadiness             []string
+	CommuteSchoolWorkdayConcerns []string
+	OutdoorPlanning              []string
+	LateDayChangeWatch           []string
+}
+
 func buildOutdoorWindows(dayparts []forecast.DaypartSummary) OutdoorWindows {
 	var best *OutdoorWindow
 	var worst *OutdoorWindow
@@ -48,6 +55,49 @@ func buildOutdoorWindows(dayparts []forecast.DaypartSummary) OutdoorWindows {
 	return OutdoorWindows{Best: best, Worst: worst}
 }
 
+func buildTodayPlanning(summary *forecast.DailySummary) *TodayPlanning {
+	planning := &TodayPlanning{}
+	morning := daypartNamed(summary.Dayparts, "morning")
+	if morning != nil {
+		planning.MorningReadiness = append(planning.MorningReadiness, readinessNotes(*morning)...)
+	}
+	if len(planning.MorningReadiness) == 0 {
+		planning.MorningReadiness = append(planning.MorningReadiness, "Morning weather looks routine based on the available hourly forecast.")
+	}
+
+	for _, daypart := range summary.Dayparts {
+		if daypart.Name == "overnight" || daypart.Name == "evening" {
+			continue
+		}
+		planning.CommuteSchoolWorkdayConcerns = appendUnique(planning.CommuteSchoolWorkdayConcerns, concernNotes(daypart)...)
+	}
+	for _, alert := range summary.AlertOverlaps {
+		if alert.Event != "" {
+			planning.CommuteSchoolWorkdayConcerns = appendUnique(planning.CommuteSchoolWorkdayConcerns, "Active alert to plan around: "+alert.Event+".")
+		}
+	}
+	if len(planning.CommuteSchoolWorkdayConcerns) == 0 {
+		planning.CommuteSchoolWorkdayConcerns = append(planning.CommuteSchoolWorkdayConcerns, "No major commute, school, or workday weather concerns stand out in the available forecast.")
+	}
+
+	planning.OutdoorPlanning = append(planning.OutdoorPlanning, outdoorPlanningNotes(summary.Dayparts)...)
+	if len(planning.OutdoorPlanning) == 0 {
+		planning.OutdoorPlanning = append(planning.OutdoorPlanning, "No standout outdoor weather constraints are evident in the available forecast.")
+	}
+
+	for _, name := range []string{"afternoon", "evening"} {
+		daypart := daypartNamed(summary.Dayparts, name)
+		if daypart != nil {
+			planning.LateDayChangeWatch = appendUnique(planning.LateDayChangeWatch, lateDayWatchNotes(*daypart)...)
+		}
+	}
+	if len(planning.LateDayChangeWatch) == 0 {
+		planning.LateDayChangeWatch = append(planning.LateDayChangeWatch, "Watch for forecast timing or intensity adjustments later today.")
+	}
+
+	return planning
+}
+
 func buildTomorrowPlanning(summary *forecast.DailySummary) *TomorrowPlanning {
 	planning := &TomorrowPlanning{}
 	morning := daypartNamed(summary.Dayparts, "morning")
@@ -84,6 +134,18 @@ func buildTomorrowPlanning(summary *forecast.DailySummary) *TomorrowPlanning {
 	return planning
 }
 
+func outdoorPlanningNotes(dayparts []forecast.DaypartSummary) []string {
+	windows := buildOutdoorWindows(dayparts)
+	var notes []string
+	if windows.Best != nil {
+		notes = append(notes, fmt.Sprintf("Best outdoor window: %s (%s).", titleWord(windows.Best.Daypart), strings.Join(windows.Best.Reasons, ", ")))
+	}
+	if windows.Worst != nil && (windows.Best == nil || windows.Worst.Daypart != windows.Best.Daypart) {
+		notes = append(notes, fmt.Sprintf("Toughest outdoor window: %s (%s).", titleWord(windows.Worst.Daypart), strings.Join(windows.Worst.Reasons, ", ")))
+	}
+	return appendUnique(nil, notes...)
+}
+
 func readinessNotes(daypart forecast.DaypartSummary) []string {
 	notes := []string{}
 	if daypart.MaxPrecipitationProbability != nil && daypart.MaxPrecipitationProbability.Value >= 50 {
@@ -104,6 +166,27 @@ func readinessNotes(daypart forecast.DaypartSummary) []string {
 	return appendUnique(nil, notes...)
 }
 
+func lateDayWatchNotes(daypart forecast.DaypartSummary) []string {
+	notes := []string{}
+	prefix := titleWord(daypart.Name)
+	if prefix == "" {
+		prefix = "Late-day"
+	}
+	if daypart.MaxPrecipitationProbability != nil && daypart.MaxPrecipitationProbability.Value >= 30 {
+		notes = append(notes, fmt.Sprintf("%s precipitation timing may shift; current peak is near %.0f%%.", prefix, daypart.MaxPrecipitationProbability.Value))
+	}
+	if daypart.PeakWindGust != nil && daypart.PeakWindGust.Value >= 30 {
+		notes = append(notes, fmt.Sprintf("%s gusts may reach %.0f mph.", prefix, daypart.PeakWindGust.Value))
+	}
+	if daypart.Indicators.Snow || daypart.Indicators.Ice {
+		notes = append(notes, prefix+" wintry weather could affect late-day travel.")
+	}
+	if len(daypart.AlertOverlaps) > 0 {
+		notes = append(notes, prefix+" alert timing could affect late-day plans.")
+	}
+	return appendUnique(nil, notes...)
+}
+
 func concernNotes(daypart forecast.DaypartSummary) []string {
 	notes := []string{}
 	prefix := titleWord(daypart.Name)

internal/briefing/today_planning_module.go

@@ -0,0 +1,26 @@
+package briefing
+
+import "gitea.maximumdirect.net/eric/weatherreporter/internal/module"
+
+type TodayPlanningModule struct {
+	MorningReadiness             []string `json:"morning_readiness,omitempty"`
+	CommuteSchoolWorkdayConcerns []string `json:"commute_school_workday_concerns,omitempty"`
+	OutdoorPlanning              []string `json:"outdoor_planning,omitempty"`
+	LateDayChangeWatch           []string `json:"late_day_change_watch,omitempty"`
+}
+
+func buildTodayPlanningModule(ctx ModuleContext, _ any) (*module.Output, error) {
+	summary := ctx.Derived.FirstDailySummary()
+	if summary == nil {
+		return &module.Output{ID: module.TodayPlanning, StanzaName: "today_planning", Value: TodayPlanningModule{}}, nil
+	}
+	planning := buildTodayPlanning(summary)
+	value := TodayPlanningModule{}
+	if planning != nil {
+		value.MorningReadiness = append([]string(nil), planning.MorningReadiness...)
+		value.CommuteSchoolWorkdayConcerns = append([]string(nil), planning.CommuteSchoolWorkdayConcerns...)
+		value.OutdoorPlanning = append([]string(nil), planning.OutdoorPlanning...)
+		value.LateDayChangeWatch = append([]string(nil), planning.LateDayChangeWatch...)
+	}
+	return &module.Output{ID: module.TodayPlanning, StanzaName: "today_planning", Value: value}, nil
+}

internal/module/module.go

@@ -24,6 +24,7 @@ const (
 	SPCConvectiveOutlooks   ID = "spc_convective_outlooks"
 	SPCConvectiveDiscussion ID = "spc_convective_discussion"
 	OutdoorWindows          ID = "outdoor_windows"
+	TodayPlanning           ID = "today_planning"
 	TomorrowPlanning        ID = "tomorrow_planning"
 )
 
@@ -148,4 +149,5 @@ type WeatherStoryOptions struct{}
 type SPCConvectiveOutlooksOptions struct{}
 type SPCConvectiveDiscussionOptions struct{}
 type OutdoorWindowsOptions struct{}
+type TodayPlanningOptions struct{}
 type TomorrowPlanningOptions struct{}

internal/promptinput/package.go

@@ -40,6 +40,7 @@ var briefingStanzaCategories = map[string]string{
 	string(module.DerivedDaypartSummaries): categoryDerivedSummaries,
 	string(module.PrecipTiming):            categoryDerivedSummaries,
 	string(module.OutdoorWindows):          categoryDerivedSummaries,
+	string(module.TodayPlanning):           categoryDerivedSummaries,
 	string(module.TomorrowPlanning):        categoryDerivedSummaries,
 	string(module.NarrativeForecast):       categoryNarrativeProducts,
 	string(module.AreaForecastDiscussion):  categoryNarrativeProducts,

internal/promptinput/package_test.go

@@ -107,6 +107,7 @@ func TestBuildUsesNamedSnapshotStanzas(t *testing.T) {
 	req.Modules = snapshotWithOutputs(t,
 		module.Output{ID: module.Metadata, StanzaName: "metadata", Value: map[string]string{"run_id": req.Metadata.RunID}},
 		module.Output{ID: module.DerivedDaypartSummaries, StanzaName: "derived_daypart_summaries", Value: map[string]any{"days": []string{"2026-05-29"}}},
+		module.Output{ID: module.TodayPlanning, StanzaName: "today_planning", Value: map[string]any{"morning_readiness": []string{"routine"}}},
 	)
 
 	pkg, err := Build(req)
@@ -120,6 +121,9 @@ func TestBuildUsesNamedSnapshotStanzas(t *testing.T) {
 	if _, ok := pkg.Briefing.Values["derived_daypart_summaries"]; !ok {
 		t.Fatal("Briefing.Values[derived_daypart_summaries] missing")
 	}
+	if _, ok := pkg.Briefing.Values["today_planning"]; !ok {
+		t.Fatal("Briefing.Values[today_planning] missing")
+	}
 }
 
 func TestMarshalYAMLIsDeterministicAndGroupsNamedStanzas(t *testing.T) {

internal/report/definition.go

@@ -13,6 +13,7 @@ type ID string
 
 const (
 	DailyToday ID = "daily_today"
+	Today      ID = "today"
 	Tomorrow   ID = "tomorrow"
 	Hourly     ID = "hourly"
 	ThreeDay   ID = "three_day"