Added a location block to the data package

docs/config.md

@@ -51,6 +51,19 @@ config test suite.
 Timezone values may be IANA names, configured aliases such as `Chicago` and
 `Stl`, US timezone abbreviations, or UTC offsets such as `-5` and `+09:30`.
 
+### `location`
+
+`location` is descriptive prompt context included in briefing metadata and
+Scriptorium data packages. It does not select a Weather API endpoint or enable
+multiple configured forecast locations.
+
+- `id`: short local identifier. Default: `home`.
+- `name`: human-readable location name. Default: `Brentwood`.
+- `region`: broader forecast area context. Default: `St. Louis Metro`.
+
+The prompt-facing location object also includes `timezone`, derived from the
+effective `weather_api.timezone` after CLI overrides such as `--tz`.
+
 ### `missing_source`
 
 - `default`: missing-source behavior for optional sources. One of `error`, `warn`, or `none`. Default: `warn`.

docs/internal/briefing.md

@@ -16,7 +16,7 @@ Inputs:
 - resolved report definition, generation time, timezone, and valid period
 - forecast bundle with source provenance and warnings
 - derived daily or period summaries where required
-- configured units and timezone
+- configured units, timezone, and descriptive location context
 
 Outputs:
 
@@ -34,6 +34,8 @@ Outputs:
 
 The package receives configured units and timezone from the app layer. Daypart
 configuration is consumed by `internal/forecast` before briefing builders run.
+Configured `location` values are prompt context only; Weather API
+`sourceLocationId` and `sourceLocation` remain source provenance.
 
 ## External Adapters Used
 
@@ -74,6 +76,6 @@ Inspect:
 
 - Briefings contain structured weather facts and source context.
 - Common metadata includes RunID, report ID, prompt ID, valid period, source
-  provenance, source hashes, and source warnings.
+  provenance, source hashes, source warnings, and configured prompt location.
 - LLM prompt input packaging and Scriptorium execution remain outside this
   boundary.

docs/internal/prompt-input.md

@@ -18,8 +18,8 @@ Outputs:
 
 - `promptinput.Package` containing schema version, RunID, report metadata,
   briefing content, Recent Changes, and source warnings. Briefing content
-  includes discussion key messages and short/long-term AFD narratives when the
+  includes configured location context, discussion key messages, and
-  Weather API provides them.
+  short/long-term AFD narratives when the Weather API provides them.
 - optional JSON file written by `promptinput.Save`
 
 ## Boundaries
@@ -30,8 +30,8 @@ Outputs:
 
 ## Config Fields Used
 
-None directly. Config-derived values are already present in briefing metadata
+None directly. Config-derived values, including prompt location context, are
-before this package runs.
+already present in briefing metadata before this package runs.
 
 ## External Adapters Used
 

docs/internal/state.md

@@ -66,8 +66,8 @@ valid-period start date for JSON artifacts, and the RunID.
 ```
 
 Metadata is stored beside briefing snapshots and links the briefing, data
-package, preflight, and report paths. Report listing walks metadata files under
+package, preflight, report paths, and configured prompt location. Report
-the snapshots directory.
+listing walks metadata files under the snapshots directory.
 
 ## Prior Lookup
 

examples/config.yml

@@ -6,6 +6,11 @@ weather_api:
   timezone: "America/Chicago"
   format: json
 
+location:
+  id: home
+  name: Brentwood
+  region: St. Louis Metro
+
 missing_source:
   default: warn
   sources:

internal/app/app.go

@@ -522,6 +522,7 @@ func BuildBriefing(req BriefingRequest, bundle *forecast.Bundle) (briefing.Packa
 			Bundle:   bundle,
 			Units:    req.Config.WeatherAPI.Units,
 			Timezone: req.Config.WeatherAPI.Timezone,
+			Location: briefingLocation(req.Config),
 		}, summary)
 	case report.ThreeDay, report.Weekend:
 		summaries, err := forecast.BuildPeriodDailySummaries(bundle, req.Resolved.ValidPeriod, location, dayparts)
@@ -534,6 +535,7 @@ func BuildBriefing(req BriefingRequest, bundle *forecast.Bundle) (briefing.Packa
 				Bundle:   bundle,
 				Units:    req.Config.WeatherAPI.Units,
 				Timezone: req.Config.WeatherAPI.Timezone,
+				Location: briefingLocation(req.Config),
 			}, summaries)
 		}
 		return briefing.BuildThreeDay(briefing.BuildContext{
@@ -541,6 +543,7 @@ func BuildBriefing(req BriefingRequest, bundle *forecast.Bundle) (briefing.Packa
 			Bundle:   bundle,
 			Units:    req.Config.WeatherAPI.Units,
 			Timezone: req.Config.WeatherAPI.Timezone,
+			Location: briefingLocation(req.Config),
 		}, summaries)
 	case report.Storm:
 		return briefing.BuildStorm(briefing.BuildContext{
@@ -548,12 +551,26 @@ func BuildBriefing(req BriefingRequest, bundle *forecast.Bundle) (briefing.Packa
 			Bundle:   bundle,
 			Units:    req.Config.WeatherAPI.Units,
 			Timezone: req.Config.WeatherAPI.Timezone,
+			Location: briefingLocation(req.Config),
 		})
 	default:
 		return briefing.Package{}, fmt.Errorf("briefing is not implemented for report %q", req.Resolved.Definition.ID)
 	}
 }
 
+func briefingLocation(cfg config.Config) *briefing.LocationContext {
+	location := briefing.LocationContext{
+		ID:       cfg.Location.ID,
+		Name:     cfg.Location.Name,
+		Region:   cfg.Location.Region,
+		Timezone: cfg.WeatherAPI.Timezone,
+	}
+	if location.ID == "" && location.Name == "" && location.Region == "" && location.Timezone == "" {
+		return nil
+	}
+	return &location
+}
+
 func defaultStore(cfg config.Config) (*state.FilesystemStore, error) {
 	return state.NewFilesystemStore(cfg.Workspace)
 }

internal/app/app_test.go

@@ -2,6 +2,7 @@ package app
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"net/http"
 	"net/http/httptest"
@@ -195,6 +196,16 @@ func TestGenerateReportWritesReportAndPreflight(t *testing.T) {
 	if !strings.Contains(string(data), `"recentChanges"`) || !strings.Contains(string(data), `data_package.v1`) {
 		t.Fatalf("data package missing expected content:\n%s", string(data))
 	}
+	var savedDataPackage struct {
+		Briefing briefing.Package `json:"briefing"`
+	}
+	if err := json.Unmarshal(data, &savedDataPackage); err != nil {
+		t.Fatalf("decode data package: %v", err)
+	}
+	location := savedDataPackage.Briefing.Metadata.Location
+	if location == nil || location.ID != "home" || location.Name != "Brentwood" || location.Region != "St. Louis Metro" || location.Timezone != "America/Chicago" {
+		t.Fatalf("data package location = %#v, want configured prompt location", location)
+	}
 	if !strings.Contains(string(data), "Short-term AFD narrative for generated report.") || !strings.Contains(string(data), "Long-term AFD narrative for generated report.") {
 		t.Fatalf("data package missing AFD short/long-term discussion:\n%s", string(data))
 	}

internal/briefing/daily_test.go

@@ -29,6 +29,12 @@ func TestDailyBriefingFromRepresentativeFixture(t *testing.T) {
 		Bundle:   bundle,
 		Units:    "us",
 		Timezone: "America/Chicago",
+		Location: &LocationContext{
+			ID:       "home",
+			Name:     "Brentwood",
+			Region:   "St. Louis Metro",
+			Timezone: "America/Chicago",
+		},
 	}, summary)
 	if err != nil {
 		t.Fatalf("BuildDaily() error = %v", err)
@@ -46,6 +52,9 @@ func TestDailyBriefingFromRepresentativeFixture(t *testing.T) {
 	if pkg.Metadata.Units != "us" || pkg.Metadata.Timezone != "America/Chicago" {
 		t.Fatalf("metadata units/timezone = %q/%q", pkg.Metadata.Units, pkg.Metadata.Timezone)
 	}
+	if pkg.Metadata.Location == nil || pkg.Metadata.Location.ID != "home" || pkg.Metadata.Location.Name != "Brentwood" || pkg.Metadata.Location.Region != "St. Louis Metro" || pkg.Metadata.Location.Timezone != "America/Chicago" {
+		t.Fatalf("metadata location = %#v, want configured prompt location", pkg.Metadata.Location)
+	}
 	if len(pkg.Metadata.Sources) != 1 || pkg.Metadata.Sources[0].DataSHA256 != "abc123" {
 		t.Fatalf("Sources = %#v, want source hash", pkg.Metadata.Sources)
 	}

internal/briefing/package.go

@@ -31,6 +31,7 @@ type Metadata struct {
 	Units            string                   `json:"units"`
 	Timezone         string                   `json:"timezone"`
 	ValidPeriod      timeutil.Period          `json:"validPeriod"`
+	Location         *LocationContext         `json:"location,omitempty"`
 	SourceLocationID string                   `json:"sourceLocationId,omitempty"`
 	SourceLocation   string                   `json:"sourceLocation,omitempty"`
 	Sources          []SourceMetadata         `json:"sources,omitempty"`
@@ -38,6 +39,13 @@ type Metadata struct {
 	Alerts           *AlertStatus             `json:"alerts,omitempty"`
 }
 
+type LocationContext struct {
+	ID       string `json:"id,omitempty"`
+	Name     string `json:"name,omitempty"`
+	Region   string `json:"region,omitempty"`
+	Timezone string `json:"timezone,omitempty"`
+}
+
 type SourceMetadata struct {
 	Name       string                   `json:"name"`
 	Endpoint   string                   `json:"endpoint,omitempty"`
@@ -61,6 +69,7 @@ type BuildContext struct {
 	Bundle   *forecast.Bundle
 	Units    string
 	Timezone string
+	Location *LocationContext
 }
 
 func BuildMetadata(ctx BuildContext) Metadata {
@@ -76,6 +85,7 @@ func BuildMetadata(ctx BuildContext) Metadata {
 		Units:            ctx.Units,
 		Timezone:         ctx.Timezone,
 		ValidPeriod:      metadata.ValidPeriod,
+		Location:         copyLocation(ctx.Location),
 		SourceLocationID: sourceLocationID,
 		SourceLocation:   sourceLocation,
 		Sources:          sourceMetadata(ctx.Bundle),
@@ -84,6 +94,14 @@ func BuildMetadata(ctx BuildContext) Metadata {
 	}
 }
 
+func copyLocation(location *LocationContext) *LocationContext {
+	if location == nil {
+		return nil
+	}
+	copied := *location
+	return &copied
+}
+
 func Save(path string, pkg Package) error {
 	if err := fileutil.WriteJSONAtomic(path, pkg); err != nil {
 		return fmt.Errorf("save briefing package: %w", err)

internal/cli/root_test.go

@@ -437,6 +437,7 @@ func TestRunGenerateDailyWritesMarkdownReport(t *testing.T) {
 		"generate", "daily",
 		"--config", configPath,
 		"--date", "2026-05-29",
+		"--tz", "UTC",
 		"--out", outPath,
 	}, &stdout, &stderr)
 	if err != nil {
@@ -463,6 +464,24 @@ func TestRunGenerateDailyWritesMarkdownReport(t *testing.T) {
 	if !strings.Contains(string(data), `data_package.v1`) || !strings.Contains(string(data), `"daily_today"`) {
 		t.Fatalf("data package output missing expected content:\n%s", string(data))
 	}
+	var decoded struct {
+		Briefing struct {
+			Metadata struct {
+				Location struct {
+					ID       string `json:"id"`
+					Name     string `json:"name"`
+					Region   string `json:"region"`
+					Timezone string `json:"timezone"`
+				} `json:"location"`
+			} `json:"metadata"`
+		} `json:"briefing"`
+	}
+	if err := json.Unmarshal(data, &decoded); err != nil {
+		t.Fatalf("decode data package: %v", err)
+	}
+	if decoded.Briefing.Metadata.Location.ID != "home" || decoded.Briefing.Metadata.Location.Name != "Brentwood" || decoded.Briefing.Metadata.Location.Region != "St. Louis Metro" || decoded.Briefing.Metadata.Location.Timezone != "UTC" {
+		t.Fatalf("location = %#v, want configured location with overridden timezone", decoded.Briefing.Metadata.Location)
+	}
 	preflightMatches, err := filepath.Glob(filepath.Join(workspaceRoot, "preflight", "daily", "2026-05-29", "*.render.json"))
 	if err != nil {
 		t.Fatalf("glob preflight: %v", err)

internal/config/config.go

@@ -14,6 +14,7 @@ const (
 
 type Config struct {
 	WeatherAPI    WeatherAPIConfig    `yaml:"weather_api"`
+	Location      LocationConfig      `yaml:"location"`
 	MissingSource MissingSourceConfig `yaml:"missing_source"`
 	Scriptorium   ScriptoriumConfig   `yaml:"scriptorium"`
 	Workspace     WorkspaceConfig     `yaml:"workspace"`
@@ -30,6 +31,12 @@ type WeatherAPIConfig struct {
 	Format    string        `yaml:"format"`
 }
 
+type LocationConfig struct {
+	ID     string `yaml:"id"`
+	Name   string `yaml:"name"`
+	Region string `yaml:"region"`
+}
+
 type MissingSourceConfig struct {
 	Default MissingSourcePolicy            `yaml:"default"`
 	Sources map[string]MissingSourcePolicy `yaml:"sources"`

internal/config/config_test.go

@@ -23,6 +23,9 @@ func TestDefaults(t *testing.T) {
 	if cfg.WeatherAPI.Format != "json" {
 		t.Fatalf("Format = %q, want json", cfg.WeatherAPI.Format)
 	}
+	if cfg.Location.ID != "home" || cfg.Location.Name != "Brentwood" || cfg.Location.Region != "St. Louis Metro" {
+		t.Fatalf("Location = %#v, want home/Brentwood/St. Louis Metro", cfg.Location)
+	}
 	if cfg.MissingSource.Default != MissingSourceWarn {
 		t.Fatalf("MissingSource.Default = %q, want warn", cfg.MissingSource.Default)
 	}
@@ -43,6 +46,9 @@ func TestLoadExampleConfig(t *testing.T) {
 	if cfg.MissingSource.Sources["alerts"] != MissingSourceNone {
 		t.Fatalf("alerts policy = %q, want none", cfg.MissingSource.Sources["alerts"])
 	}
+	if cfg.Location.ID != "home" || cfg.Location.Name != "Brentwood" || cfg.Location.Region != "St. Louis Metro" {
+		t.Fatalf("Location = %#v, want example location", cfg.Location)
+	}
 }
 
 func TestLoadMinimalExampleConfig(t *testing.T) {
@@ -63,6 +69,9 @@ func TestLoadMinimalExampleConfig(t *testing.T) {
 	if cfg.Workspace.Root != "workspace" {
 		t.Fatalf("Workspace.Root = %q, want default workspace", cfg.Workspace.Root)
 	}
+	if cfg.Location.Name != "Brentwood" {
+		t.Fatalf("Location.Name = %q, want default Brentwood", cfg.Location.Name)
+	}
 }
 
 func TestExplicitMissingConfigReturnsError(t *testing.T) {

internal/config/defaults.go

@@ -13,6 +13,11 @@ func Defaults() Config {
 			Timezone:  "America/Chicago",
 			Format:    "json",
 		},
+		Location: LocationConfig{
+			ID:     "home",
+			Name:   "Brentwood",
+			Region: "St. Louis Metro",
+		},
 		MissingSource: MissingSourceConfig{
 			Default: MissingSourceWarn,
 			Sources: map[string]MissingSourcePolicy{},

internal/promptinput/package_test.go

@@ -31,6 +31,9 @@ func TestBuildDailyDataPackage(t *testing.T) {
 	if pkg.Briefing.Daily == nil {
 		t.Fatal("Briefing.Daily = nil")
 	}
+	if pkg.Briefing.Metadata.Location == nil || pkg.Briefing.Metadata.Location.Name != "Brentwood" {
+		t.Fatalf("Briefing.Metadata.Location = %#v, want configured location", pkg.Briefing.Metadata.Location)
+	}
 	if pkg.RecentChanges.Items == nil || len(pkg.RecentChanges.Items) != 0 {
 		t.Fatalf("RecentChanges.Items = %#v, want empty slice", pkg.RecentChanges.Items)
 	}
@@ -155,6 +158,12 @@ func validBriefingPackage() briefing.Package {
 			GeneratedAt:   generatedAt,
 			Units:         "us",
 			Timezone:      "America/Chicago",
+			Location: &briefing.LocationContext{
+				ID:       "home",
+				Name:     "Brentwood",
+				Region:   "St. Louis Metro",
+				Timezone: "America/Chicago",
+			},
 			ValidPeriod: timeutil.Period{
 				Start: time.Date(2026, 5, 29, 5, 0, 0, 0, time.UTC),
 				End:   time.Date(2026, 5, 30, 5, 0, 0, 0, time.UTC),

internal/state/filesystem_test.go

@@ -122,6 +122,9 @@ func TestSaveArtifactsAndMetadataRoundTrip(t *testing.T) {
 	if decoded.RenderedReportPath != renderedReportPath {
 		t.Fatalf("RenderedReportPath = %q, want %q", decoded.RenderedReportPath, renderedReportPath)
 	}
+	if decoded.Location == nil || decoded.Location.Name != "Brentwood" || decoded.Location.Timezone != "America/Chicago" {
+		t.Fatalf("metadata location = %#v, want briefing location", decoded.Location)
+	}
 	if strings.Contains(string(data), "MetadataPath") || strings.Contains(string(data), "metadataPath") {
 		t.Fatalf("metadata JSON includes runtime-only MetadataPath:\n%s", string(data))
 	}
@@ -437,6 +440,12 @@ func stateBriefingPackage(resolved report.Resolved) briefing.Package {
 			GeneratedAt:   resolved.GeneratedAt,
 			Units:         "us",
 			Timezone:      resolved.Timezone,
+			Location: &briefing.LocationContext{
+				ID:       "home",
+				Name:     "Brentwood",
+				Region:   "St. Louis Metro",
+				Timezone: resolved.Timezone,
+			},
 			ValidPeriod: resolved.ValidPeriod,
 		},
 		Daily: &briefing.Daily{ForecastSummaryDate: "2026-05-29"},

internal/state/metadata.go

@@ -21,6 +21,7 @@ type Metadata struct {
 	GeneratedAt        time.Time                 `json:"generatedAt"`
 	Timezone           string                    `json:"timezone"`
 	ValidPeriod        timeutil.Period           `json:"validPeriod"`
+	Location           *briefing.LocationContext `json:"location,omitempty"`
 	SourceLocationID   string                    `json:"sourceLocationId,omitempty"`
 	SourceLocation     string                    `json:"sourceLocation,omitempty"`
 	Sources            []briefing.SourceMetadata `json:"sources,omitempty"`
@@ -43,6 +44,7 @@ func BuildMetadata(resolved report.Resolved, briefingPackage briefing.Package, p
 		GeneratedAt:        metadata.GeneratedAt,
 		Timezone:           metadata.Timezone,
 		ValidPeriod:        metadata.ValidPeriod,
+		Location:           copyLocation(briefingPackage.Metadata.Location),
 		SourceLocationID:   briefingPackage.Metadata.SourceLocationID,
 		SourceLocation:     briefingPackage.Metadata.SourceLocation,
 		Sources:            briefingPackage.Metadata.Sources,
@@ -53,3 +55,11 @@ func BuildMetadata(resolved report.Resolved, briefingPackage briefing.Package, p
 		RenderedReportPath: paths.RenderedReport,
 	}
 }
+
+func copyLocation(location *briefing.LocationContext) *briefing.LocationContext {
+	if location == nil {
+		return nil
+	}
+	copied := *location
+	return &copied
+}