Moved HTTP polling helpers upstream into feedkit, and updated to feedkit v0.8.0

API.md

@@ -80,34 +80,18 @@ A `WeatherObservation` represents a point-in-time observation for a station/loca
 | `stationName` | string | no | Human station name |
 | `timestamp` | timestamp string | yes | Observation timestamp |
 | `conditionCode` | int | yes | WMO code (`-1` unknown) |
-| `conditionText` | string | no | Canonical short condition text |
 | `isDay` | bool | no | Day/night hint |
-| `providerRawDescription` | string | no | Provider-specific evidence text |
+| `textDescription` | string | no | Human-facing short description |
-| `textDescription` | string | no | Legacy/transitional text description |
-| `iconUrl` | string | no | Legacy/transitional icon URL |
 | `temperatureC` | number | no | Celsius |
 | `dewpointC` | number | no | Celsius |
 | `windDirectionDegrees` | number | no | Degrees |
 | `windSpeedKmh` | number | no | km/h |
 | `windGustKmh` | number | no | km/h |
 | `barometricPressurePa` | number | no | Pascals |
-| `seaLevelPressurePa` | number | no | Pascals |
 | `visibilityMeters` | number | no | Meters |
 | `relativeHumidityPercent` | number | no | Percent |
 | `apparentTemperatureC` | number | no | Celsius |
-| `elevationMeters` | number | no | Meters |
-| `rawMessage` | string | no | Provider raw message (for example METAR) |
 | `presentWeather` | array | no | Provider-specific structured weather fragments |
-| `cloudLayers` | array | no | Cloud layer details |
-
-### Nested: `cloudLayers[]`
-
-Each `cloudLayers[]` element:
-
-| Field | Type | Required | Notes |
-|---|---:|:---:|---|
-| `baseMeters` | number | no | Cloud base altitude in meters |
-| `amount` | string | no | Provider string (e.g. FEW/SCT/BKN/OVC) |
 
 ### Nested: `presentWeather[]`
 
@@ -159,11 +143,7 @@ A `WeatherForecastPeriod` is valid for `[startTime, endTime)`.
 | `name` | string | no | Human label (often empty for hourly) |
 | `isDay` | bool | no | Day/night hint |
 | `conditionCode` | int | yes | WMO code (`-1` for unknown) |
-| `conditionText` | string | no | Canonical short text |
-| `providerRawDescription` | string | no | Provider-specific “evidence” text |
 | `textDescription` | string | no | Human-facing short phrase |
-| `detailedText` | string | no | Longer narrative |
-| `iconUrl` | string | no | Legacy/transitional |
 | `temperatureC` | number | no | °C |
 | `temperatureCMin` | number | no | °C (aggregated products) |
 | `temperatureCMax` | number | no | °C (aggregated products) |
@@ -241,7 +221,7 @@ A run may contain zero, one, or many alerts.
 
 - Consumers **must** ignore unknown fields.
 - Producers (weatherfeeder) prefer **additive changes** within a schema version.
-- Renames/removals/semantic breaks require a **schema version bump** (`weather.*.v2`).
+- Renames/removals/semantic breaks normally require a **schema version bump** (`weather.*.v2`); pre-1.0 projects may choose in-place changes.
 
 ---
 
@@ -259,7 +239,7 @@ A run may contain zero, one, or many alerts.
     "stationId": "KSTL",
     "timestamp": "2026-01-17T14:00:00Z",
     "conditionCode": 1,
-    "conditionText": "Mainly Sunny",
+    "textDescription": "Mainly Sunny",
     "temperatureC": 3.25,
     "windSpeedKmh": 18.5
   }
@@ -285,7 +265,7 @@ A run may contain zero, one, or many alerts.
         "startTime": "2026-01-17T14:00:00Z",
         "endTime": "2026-01-17T15:00:00Z",
         "conditionCode": 2,
-        "conditionText": "Partly Cloudy",
+        "textDescription": "Partly Cloudy",
         "temperatureC": 3.5,
         "probabilityOfPrecipitationPercent": 10
       }

README.md

@@ -22,7 +22,7 @@ For the complete wire contract (event envelope + payload schemas, fields, units,
 
 ## Upstream providers (current MVP)
 
-- NWS: observations, hourly forecasts, alerts
+- NWS: observations, hourly forecasts, narrative forecasts, alerts
 - Open-Meteo: observations, hourly forecasts
 - OpenWeather: observations
 

cmd/weatherfeeder/config.yml

@@ -48,12 +48,21 @@ sources:
   - name: NWSHourlyForecastSTL
     mode: poll
     kinds: ["forecast"]
-    driver: nws_forecast
+    driver: nws_forecast_hourly
     every: 45m
     params:
       url: "https://api.weather.gov/gridpoints/LSX/90,74/forecast/hourly"
       user_agent: "HomeOps (eric@maximumdirect.net)"
 
+  - name: NWSNarrativeForecastSTL
+    mode: poll
+    kinds: ["forecast"]
+    driver: nws_forecast_narrative
+    every: 45m
+    params:
+      url: "https://api.weather.gov/gridpoints/LSX/90,74/forecast?units=us"
+      user_agent: "HomeOps (eric@maximumdirect.net)"
+
   - name: OpenMeteoHourlyForecastSTL
     mode: poll
     kinds: ["forecast"]
@@ -83,6 +92,15 @@ sinks:
       url: nats://nats:4222
       exchange: weatherfeeder
 
+#  - name: pg_weatherfeeder
+#    driver: postgres
+#    params:
+#      uri: postgres://weatherdb:5432/weatherdb?sslmode=disable
+#      username: weatherdb
+#      password: weatherdb
+#      prune: 3d
+#      # Prunes rows older than now-3d on each write transaction.
+
 #  - name: logfile
 #    driver: file
 #    params:
@@ -95,5 +113,8 @@ routes:
   - sink: nats_weatherfeeder
     kinds: ["observation", "forecast", "alert"]
 
+#  - sink: pg_weatherfeeder
+#    kinds: ["observation", "forecast", "alert"]
+
 #  - sink: logfile
 #    kinds: ["observation", "alert", "forecast"]

cmd/weatherfeeder/main.go

@@ -15,17 +15,21 @@ import (
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	fkdispatch "gitea.maximumdirect.net/ejr/feedkit/dispatch"
 	fkevent "gitea.maximumdirect.net/ejr/feedkit/event"
-	fknormalize "gitea.maximumdirect.net/ejr/feedkit/normalize"
 	fkpipeline "gitea.maximumdirect.net/ejr/feedkit/pipeline"
 	fkprocessors "gitea.maximumdirect.net/ejr/feedkit/processors"
+	fkdedupe "gitea.maximumdirect.net/ejr/feedkit/processors/dedupe"
+	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
 	fkscheduler "gitea.maximumdirect.net/ejr/feedkit/scheduler"
 	fksinks "gitea.maximumdirect.net/ejr/feedkit/sinks"
 	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 
 	wfnormalizers "gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers"
+	wfpgsink "gitea.maximumdirect.net/ejr/weatherfeeder/internal/sinks/postgres"
 	wfsources "gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources"
 )
 
+const dedupeMaxEntries = 2048
+
 func main() {
 	log.SetFlags(log.LstdFlags | log.Lmicroseconds)
 
@@ -37,6 +41,9 @@ func main() {
 	if err != nil {
 		log.Fatalf("config load failed: %v", err)
 	}
+	if err := wfpgsink.RegisterPostgresSchemas(cfg); err != nil {
+		log.Fatalf("postgres schema registration failed: %v", err)
+	}
 
 	// --- Registries ---
 	srcReg := fksources.NewRegistry()
@@ -99,9 +106,9 @@ func main() {
 
 	events := make(chan fkevent.Event, 256)
 
-	// --- Normalization (optional) ---
+	// --- Processors ---
 	//
-	// We install feedkit's normalize.Processor even before any normalizers exist.
+	// We install feedkit's processors/normalize.Processor even before any normalizers exist.
 	// With an empty normalizer list and RequireMatch=false, this is a no-op passthrough.
 	// It will begin transforming events as soon as:
 	//   1) sources emit raw schemas (raw.*), and
@@ -112,8 +119,9 @@ func main() {
 	procReg.Register("normalize", func() (fkprocessors.Processor, error) {
 		return fknormalize.NewProcessor(normalizers, false), nil
 	})
+	procReg.Register("dedupe", fkdedupe.Factory(dedupeMaxEntries))
 
-	chain, err := procReg.BuildChain([]string{"normalize"})
+	chain, err := procReg.BuildChain([]string{"normalize", "dedupe"})
 	if err != nil {
 		log.Fatalf("build processor chain failed: %v", err)
 	}

cmd/weatherfeeder/main_test.go

@@ -9,9 +9,10 @@ import (
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	fkevent "gitea.maximumdirect.net/ejr/feedkit/event"
-	fknormalize "gitea.maximumdirect.net/ejr/feedkit/normalize"
 	fkpipeline "gitea.maximumdirect.net/ejr/feedkit/pipeline"
 	fkprocessors "gitea.maximumdirect.net/ejr/feedkit/processors"
+	fkdedupe "gitea.maximumdirect.net/ejr/feedkit/processors/dedupe"
+	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
 
 	wfnormalizers "gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers"
 )
@@ -97,39 +98,23 @@ func TestExampleConfigLoads(t *testing.T) {
 	}
 }
 
-func TestProcessorRegistryBuildsNormalizeChain(t *testing.T) {
+func TestProcessorRegistryBuildsNormalizeThenDedupeChain(t *testing.T) {
-	normalizers := wfnormalizers.RegisterBuiltins(nil)
+	chain, err := buildProcessorChainForTests()
-	if len(normalizers) == 0 {
-		t.Fatalf("RegisterBuiltins() returned no normalizers")
-	}
-
-	procReg := fkprocessors.NewRegistry()
-	procReg.Register("normalize", func() (fkprocessors.Processor, error) {
-		return fknormalize.NewProcessor(normalizers, false), nil
-	})
-
-	chain, err := procReg.BuildChain([]string{"normalize"})
 	if err != nil {
 		t.Fatalf("BuildChain() unexpected error: %v", err)
 	}
-	if len(chain) != 1 {
+	if len(chain) != 2 {
-		t.Fatalf("BuildChain() expected 1 processor, got %d", len(chain))
+		t.Fatalf("BuildChain() expected 2 processors, got %d", len(chain))
 	}
 
 	pl := &fkpipeline.Pipeline{Processors: chain}
-	if len(pl.Processors) != 1 {
+	if len(pl.Processors) != 2 {
-		t.Fatalf("pipeline expected 1 processor, got %d", len(pl.Processors))
+		t.Fatalf("pipeline expected 2 processors, got %d", len(pl.Processors))
 	}
 }
 
 func TestNormalizeNoMatchPassThrough(t *testing.T) {
-	normalizers := wfnormalizers.RegisterBuiltins(nil)
+	chain, err := buildProcessorChainForTests()
-	procReg := fkprocessors.NewRegistry()
-	procReg.Register("normalize", func() (fkprocessors.Processor, error) {
-		return fknormalize.NewProcessor(normalizers, false), nil
-	})
-
-	chain, err := procReg.BuildChain([]string{"normalize"})
 	if err != nil {
 		t.Fatalf("BuildChain() unexpected error: %v", err)
 	}
@@ -157,3 +142,50 @@ func TestNormalizeNoMatchPassThrough(t *testing.T) {
 		t.Fatalf("Pipeline.Process() expected passthrough output, got %#v", *out)
 	}
 }
+
+func TestDedupeDropsSecondEventWithSameID(t *testing.T) {
+	chain, err := buildProcessorChainForTests()
+	if err != nil {
+		t.Fatalf("BuildChain() unexpected error: %v", err)
+	}
+
+	pl := &fkpipeline.Pipeline{Processors: chain}
+	in := fkevent.Event{
+		ID:        "evt-dedupe-1",
+		Kind:      fkevent.Kind("observation"),
+		Source:    "test",
+		EmittedAt: time.Now().UTC(),
+		Schema:    "raw.weatherfeeder.unknown.v1",
+		Payload: map[string]any{
+			"ok": true,
+		},
+	}
+
+	first, err := pl.Process(context.Background(), in)
+	if err != nil {
+		t.Fatalf("first Pipeline.Process() unexpected error: %v", err)
+	}
+	if first == nil {
+		t.Fatalf("first Pipeline.Process() unexpectedly dropped event")
+	}
+
+	second, err := pl.Process(context.Background(), in)
+	if err != nil {
+		t.Fatalf("second Pipeline.Process() unexpected error: %v", err)
+	}
+	if second != nil {
+		t.Fatalf("second Pipeline.Process() expected dedupe drop, got %#v", *second)
+	}
+}
+
+func buildProcessorChainForTests() ([]fkprocessors.Processor, error) {
+	normalizers := wfnormalizers.RegisterBuiltins(nil)
+
+	procReg := fkprocessors.NewRegistry()
+	procReg.Register("normalize", func() (fkprocessors.Processor, error) {
+		return fknormalize.NewProcessor(normalizers, false), nil
+	})
+	procReg.Register("dedupe", fkdedupe.Factory(dedupeMaxEntries))
+
+	return procReg.BuildChain([]string{"normalize", "dedupe"})
+}

go.mod

@@ -2,10 +2,11 @@ module gitea.maximumdirect.net/ejr/weatherfeeder
 
 go 1.25
 
-require gitea.maximumdirect.net/ejr/feedkit v0.6.0
+require gitea.maximumdirect.net/ejr/feedkit v0.8.0
 
 require (
 	github.com/klauspost/compress v1.17.2 // indirect
+	github.com/lib/pq v1.10.9 // indirect
 	github.com/nats-io/nats.go v1.34.0 // indirect
 	github.com/nats-io/nkeys v0.4.7 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect

go.sum

@@ -1,7 +1,9 @@
-gitea.maximumdirect.net/ejr/feedkit v0.6.0 h1:GXwyNKvPp1sWN8TS5E5NDGFgimpyHlzerO5E+/qoTXg=
+gitea.maximumdirect.net/ejr/feedkit v0.8.0 h1:JdEEy6T3AQ97alLNYcQ3crN3tOEZPLMBD0Qr/MH5/dw=
-gitea.maximumdirect.net/ejr/feedkit v0.6.0/go.mod h1:wYtA10GouvSe7L/8e1UEC+tqcp32HJofExIo1k+Wjls=
+gitea.maximumdirect.net/ejr/feedkit v0.8.0/go.mod h1:U6xC9xZLN3cL4yi7YBVyzGoHYRLJXusFCAKlj2kdYYQ=
 github.com/klauspost/compress v1.17.2 h1:RlWWUY/Dr4fL8qk9YG7DTZ7PDgME2V4csBXA8L/ixi4=
 github.com/klauspost/compress v1.17.2/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
+github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
+github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/nats-io/nats.go v1.34.0 h1:fnxnPCNiwIG5w08rlMcEKTUw4AV/nKyGCOJE8TdhSPk=
 github.com/nats-io/nats.go v1.34.0/go.mod h1:Ubdu4Nh9exXdSz0RVWRFBbRfrbSxOYd26oF0wkWclB8=
 github.com/nats-io/nkeys v0.4.7 h1:RwNJbbIdYCoClSDNY7QVKZlyb/wfT6ugvFCiKy6vDvI=

internal/normalizers/builtins.go

@@ -2,7 +2,7 @@
 package normalizers
 
 import (
-	fknormalize "gitea.maximumdirect.net/ejr/feedkit/normalize"
+	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
 
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/nws"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/openmeteo"

internal/normalizers/builtins_test.go

@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"testing"
 
-	fknormalize "gitea.maximumdirect.net/ejr/feedkit/normalize"
+	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/nws"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/openmeteo"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/normalizers/openweather"

internal/normalizers/doc.go

@@ -29,7 +29,7 @@
 //
 //  1. One normalizer per file.
 //     Each file contains exactly one Normalizer implementation (one type that
-//     satisfies feedkit/normalize.Normalizer).
+//     satisfies feedkit/processors/normalize.Normalizer).
 //     Helper files are encouraged (types.go, common.go, mapping.go, etc.) as long
 //     as they do not define additional Normalizer types.
 //

internal/normalizers/nws/forecast.go

@@ -17,9 +17,10 @@ import (
 // ForecastNormalizer converts:
 //
 //	standards.SchemaRawNWSHourlyForecastV1    -> standards.SchemaWeatherForecastV1
+//	standards.SchemaRawNWSNarrativeForecastV1 -> standards.SchemaWeatherForecastV1
 //
-// It interprets NWS GeoJSON gridpoint *hourly* forecast responses and maps them into
+// It keeps one NWS forecast normalization entrypoint and dispatches to product-specific
-// the canonical model.WeatherForecastRun representation.
+// builders by raw schema.
 //
 // Caveats / policy:
 //  1. NWS forecast periods do not include METAR presentWeather phenomena, so ConditionCode
@@ -29,81 +30,186 @@ import (
 type ForecastNormalizer struct{}
 
 func (ForecastNormalizer) Match(e event.Event) bool {
-	s := strings.TrimSpace(e.Schema)
+	switch strings.TrimSpace(e.Schema) {
-	return s == standards.SchemaRawNWSHourlyForecastV1
+	case standards.SchemaRawNWSHourlyForecastV1:
+		return true
+	case standards.SchemaRawNWSNarrativeForecastV1:
+		return true
+	default:
+		return false
+	}
 }
 
 func (ForecastNormalizer) Normalize(ctx context.Context, in event.Event) (*event.Event, error) {
 	_ = ctx // normalization is pure/CPU; keep ctx for future expensive steps
 
+	return normalizeForecastEventBySchema(in)
+}
+
+func normalizeForecastEventBySchema(in event.Event) (*event.Event, error) {
+	switch strings.TrimSpace(in.Schema) {
+	case standards.SchemaRawNWSHourlyForecastV1:
+		return normalizeHourlyForecastEvent(in)
+	case standards.SchemaRawNWSNarrativeForecastV1:
+		return normalizeNarrativeForecastEvent(in)
+	default:
+		return nil, fmt.Errorf("unsupported nws forecast schema %q", strings.TrimSpace(in.Schema))
+	}
+}
+
+func normalizeHourlyForecastEvent(in event.Event) (*event.Event, error) {
 	return normcommon.NormalizeJSON(
 		in,
 		"nws hourly forecast",
 		standards.SchemaWeatherForecastV1,
-		buildForecast,
+		buildHourlyForecast,
 	)
 }
 
-// buildForecast contains the domain mapping logic (provider -> canonical model).
+func normalizeNarrativeForecastEvent(in event.Event) (*event.Event, error) {
-func buildForecast(parsed nwsForecastResponse) (model.WeatherForecastRun, time.Time, error) {
+	return normcommon.NormalizeJSON(
-	// IssuedAt is required by the canonical model.
+		in,
-	issuedStr := strings.TrimSpace(parsed.Properties.GeneratedAt)
+		"nws narrative forecast",
+		standards.SchemaWeatherForecastV1,
+		buildNarrativeForecast,
+	)
+}
+
+// buildHourlyForecast contains hourly forecast mapping logic (provider -> canonical model).
+func buildHourlyForecast(parsed nwsHourlyForecastResponse) (model.WeatherForecastRun, time.Time, error) {
+	issuedAt, updatedAt, err := parseForecastRunTimes(parsed.Properties.GeneratedAt, parsed.Properties.UpdateTime)
+	if err != nil {
+		return model.WeatherForecastRun{}, time.Time{}, err
+	}
+
+	// Best-effort location centroid from the GeoJSON polygon (optional).
+	lat, lon := centroidLatLon(parsed.Geometry.Coordinates)
+
+	run := newForecastRunBase(
+		issuedAt,
+		updatedAt,
+		model.ForecastProductHourly,
+		lat,
+		lon,
+		parsed.Properties.Elevation.Value,
+	)
+
+	periods := make([]model.WeatherForecastPeriod, 0, len(parsed.Properties.Periods))
+	for i, p := range parsed.Properties.Periods {
+		period, err := mapHourlyForecastPeriod(i, p)
+		if err != nil {
+			return model.WeatherForecastRun{}, time.Time{}, err
+		}
+		periods = append(periods, period)
+	}
+
+	run.Periods = periods
+
+	// EffectiveAt policy for forecasts: treat IssuedAt as the effective time (dedupe-friendly).
+	return run, issuedAt, nil
+}
+
+// buildNarrativeForecast contains narrative forecast mapping logic (provider -> canonical model).
+func buildNarrativeForecast(parsed nwsNarrativeForecastResponse) (model.WeatherForecastRun, time.Time, error) {
+	issuedAt, updatedAt, err := parseForecastRunTimes(parsed.Properties.GeneratedAt, parsed.Properties.UpdateTime)
+	if err != nil {
+		return model.WeatherForecastRun{}, time.Time{}, err
+	}
+
+	// Best-effort location centroid from the GeoJSON polygon (optional).
+	lat, lon := centroidLatLon(parsed.Geometry.Coordinates)
+
+	run := newForecastRunBase(
+		issuedAt,
+		updatedAt,
+		model.ForecastProductNarrative,
+		lat,
+		lon,
+		parsed.Properties.Elevation.Value,
+	)
+
+	periods := make([]model.WeatherForecastPeriod, 0, len(parsed.Properties.Periods))
+	for i, p := range parsed.Properties.Periods {
+		period, err := mapNarrativeForecastPeriod(i, p)
+		if err != nil {
+			return model.WeatherForecastRun{}, time.Time{}, err
+		}
+		periods = append(periods, period)
+	}
+
+	run.Periods = periods
+
+	// EffectiveAt policy for forecasts: treat IssuedAt as the effective time (dedupe-friendly).
+	return run, issuedAt, nil
+}
+
+func parseForecastRunTimes(generatedAt, updateTime string) (time.Time, *time.Time, error) {
+	issuedStr := strings.TrimSpace(generatedAt)
 	if issuedStr == "" {
-		return model.WeatherForecastRun{}, time.Time{}, fmt.Errorf("missing properties.generatedAt")
+		return time.Time{}, nil, fmt.Errorf("missing properties.generatedAt")
 	}
 	issuedAt, err := nwscommon.ParseTime(issuedStr)
 	if err != nil {
-		return model.WeatherForecastRun{}, time.Time{}, fmt.Errorf("invalid properties.generatedAt %q: %w", issuedStr, err)
+		return time.Time{}, nil, fmt.Errorf("invalid properties.generatedAt %q: %w", issuedStr, err)
 	}
 	issuedAt = issuedAt.UTC()
 
-	// UpdatedAt is optional.
 	var updatedAt *time.Time
-	if s := strings.TrimSpace(parsed.Properties.UpdateTime); s != "" {
+	if s := strings.TrimSpace(updateTime); s != "" {
 		if t, err := nwscommon.ParseTime(s); err == nil {
 			tt := t.UTC()
 			updatedAt = &tt
 		}
 	}
 
-	// Best-effort location centroid from the GeoJSON polygon (optional).
+	return issuedAt, updatedAt, nil
-	lat, lon := centroidLatLon(parsed.Geometry.Coordinates)
+}
 
-	// Schema is explicitly hourly, so product is not a heuristic.
+func newForecastRunBase(
-	run := model.WeatherForecastRun{
+	issuedAt time.Time,
+	updatedAt *time.Time,
+	product model.ForecastProduct,
+	lat, lon, elevation *float64,
+) model.WeatherForecastRun {
+	return model.WeatherForecastRun{
 		LocationID:   "",
 		LocationName: "",
-
 		IssuedAt:     issuedAt,
 		UpdatedAt:    updatedAt,
-		Product:   model.ForecastProductHourly,
+		Product:      product,
-
 		Latitude:     lat,
 		Longitude:    lon,
-		ElevationMeters: parsed.Properties.Elevation.Value,
 
+		ElevationMeters: elevation,
 		Periods:         nil,
 	}
+}
 
-	periods := make([]model.WeatherForecastPeriod, 0, len(parsed.Properties.Periods))
+func parseForecastPeriodWindow(startStr, endStr string, idx int) (time.Time, time.Time, error) {
-	for i, p := range parsed.Properties.Periods {
+	startStr = strings.TrimSpace(startStr)
-		startStr := strings.TrimSpace(p.StartTime)
+	endStr = strings.TrimSpace(endStr)
-		endStr := strings.TrimSpace(p.EndTime)
 
 	if startStr == "" || endStr == "" {
-			return model.WeatherForecastRun{}, time.Time{}, fmt.Errorf("periods[%d]: missing startTime/endTime", i)
+		return time.Time{}, time.Time{}, fmt.Errorf("periods[%d]: missing startTime/endTime", idx)
 	}
 
 	start, err := nwscommon.ParseTime(startStr)
 	if err != nil {
-			return model.WeatherForecastRun{}, time.Time{}, fmt.Errorf("periods[%d].startTime invalid %q: %w", i, startStr, err)
+		return time.Time{}, time.Time{}, fmt.Errorf("periods[%d].startTime invalid %q: %w", idx, startStr, err)
 	}
 	end, err := nwscommon.ParseTime(endStr)
 	if err != nil {
-			return model.WeatherForecastRun{}, time.Time{}, fmt.Errorf("periods[%d].endTime invalid %q: %w", i, endStr, err)
+		return time.Time{}, time.Time{}, fmt.Errorf("periods[%d].endTime invalid %q: %w", idx, endStr, err)
+	}
+
+	return start.UTC(), end.UTC(), nil
+}
+
+func mapHourlyForecastPeriod(idx int, p nwsHourlyForecastPeriod) (model.WeatherForecastPeriod, error) {
+	start, end, err := parseForecastPeriodWindow(p.StartTime, p.EndTime, idx)
+	if err != nil {
+		return model.WeatherForecastPeriod{}, err
 	}
-		start = start.UTC()
-		end = end.UTC()
 
 	// NWS hourly supplies isDaytime; make it a pointer to match the canonical model.
 	var isDay *bool
@@ -118,9 +224,7 @@ func buildForecast(parsed nwsForecastResponse) (model.WeatherForecastRun, time.T
 	providerDesc := strings.TrimSpace(p.ShortForecast)
 	wmo := wmoFromNWSForecast(providerDesc, p.Icon, tempC)
 
-		canonicalText := standards.WMOText(wmo, isDay)
+	return model.WeatherForecastPeriod{
-
-		period := model.WeatherForecastPeriod{
 		StartTime: start,
 		EndTime:   end,
 
@@ -128,15 +232,9 @@ func buildForecast(parsed nwsForecastResponse) (model.WeatherForecastRun, time.T
 		IsDay: isDay,
 
 		ConditionCode: wmo,
-			ConditionText: canonicalText,
 
-			ProviderRawDescription: providerDesc,
+		// For forecasts, keep provider short forecast text as the human-facing description.
-
+		TextDescription: providerDesc,
-			// For forecasts, keep provider text as the human-facing description.
-			TextDescription: strings.TrimSpace(p.ShortForecast),
-			DetailedText:    strings.TrimSpace(p.DetailedForecast),
-
-			IconURL: strings.TrimSpace(p.Icon),
 
 		TemperatureC: tempC,
 
@@ -147,13 +245,49 @@ func buildForecast(parsed nwsForecastResponse) (model.WeatherForecastRun, time.T
 		WindSpeedKmh:         parseNWSWindSpeedKmh(p.WindSpeed),
 
 		ProbabilityOfPrecipitationPercent: p.ProbabilityOfPrecipitation.Value,
-		}
+	}, nil
-
+}
-		periods = append(periods, period)
+
-	}
+func mapNarrativeForecastPeriod(idx int, p nwsNarrativeForecastPeriod) (model.WeatherForecastPeriod, error) {
-
+	start, end, err := parseForecastPeriodWindow(p.StartTime, p.EndTime, idx)
-	run.Periods = periods
+	if err != nil {
-
+		return model.WeatherForecastPeriod{}, err
-	// EffectiveAt policy for forecasts: treat IssuedAt as the effective time (dedupe-friendly).
+	}
-	return run, issuedAt, nil
+
+	// NWS narrative supplies isDaytime; make it a pointer to match the canonical model.
+	var isDay *bool
+	if p.IsDaytime != nil {
+		b := *p.IsDaytime
+		isDay = &b
+	}
+
+	tempC := tempCFromNWS(p.Temperature, p.TemperatureUnit)
+
+	// Infer WMO from shortForecast (and fall back to icon token).
+	shortForecast := strings.TrimSpace(p.ShortForecast)
+	wmo := wmoFromNWSForecast(shortForecast, p.Icon, tempC)
+
+	textDescription := strings.TrimSpace(p.DetailedForecast)
+	if textDescription == "" {
+		textDescription = shortForecast
+	}
+
+	return model.WeatherForecastPeriod{
+		StartTime: start,
+		EndTime:   end,
+
+		Name:  strings.TrimSpace(p.Name),
+		IsDay: isDay,
+
+		ConditionCode: wmo,
+
+		TextDescription: textDescription,
+
+		TemperatureC: tempC,
+
+		WindDirectionDegrees: parseNWSWindDirectionDegrees(p.WindDirection),
+		WindSpeedKmh:         parseNWSWindSpeedKmh(p.WindSpeed),
+
+		ProbabilityOfPrecipitationPercent: p.ProbabilityOfPrecipitation.Value,
+	}, nil
 }

internal/normalizers/nws/forecast_test.go

@@ -0,0 +1,211 @@
+package nws
+
+import (
+	"encoding/json"
+	"math"
+	"strings"
+	"testing"
+	"time"
+
+	"gitea.maximumdirect.net/ejr/feedkit/event"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/model"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
+)
+
+func TestBuildHourlyForecastUsesShortForecastAsTextDescription(t *testing.T) {
+	parsed := nwsHourlyForecastResponse{}
+	parsed.Properties.GeneratedAt = "2026-03-16T18:00:00Z"
+	parsed.Properties.Periods = []nwsHourlyForecastPeriod{
+		{
+			StartTime:        "2026-03-16T19:00:00Z",
+			EndTime:          "2026-03-16T20:00:00Z",
+			ShortForecast:    "  Mostly Cloudy  ",
+			DetailedForecast: "Clouds increasing overnight.",
+			Icon:             "https://example.invalid/icon",
+		},
+	}
+
+	run, effectiveAt, err := buildHourlyForecast(parsed)
+	if err != nil {
+		t.Fatalf("buildHourlyForecast() error = %v", err)
+	}
+	if len(run.Periods) != 1 {
+		t.Fatalf("periods len = %d, want 1", len(run.Periods))
+	}
+	if got, want := run.Periods[0].TextDescription, "Mostly Cloudy"; got != want {
+		t.Fatalf("TextDescription = %q, want %q", got, want)
+	}
+
+	wantIssued := time.Date(2026, 3, 16, 18, 0, 0, 0, time.UTC)
+	if !run.IssuedAt.Equal(wantIssued) {
+		t.Fatalf("IssuedAt = %s, want %s", run.IssuedAt.Format(time.RFC3339), wantIssued.Format(time.RFC3339))
+	}
+	if !effectiveAt.Equal(wantIssued) {
+		t.Fatalf("effectiveAt = %s, want %s", effectiveAt.Format(time.RFC3339), wantIssued.Format(time.RFC3339))
+	}
+
+	assertNoLegacyForecastDescriptionKeys(t, run.Periods[0])
+}
+
+func TestNormalizeForecastEventBySchemaRejectsUnsupportedSchema(t *testing.T) {
+	_, err := normalizeForecastEventBySchema(event.Event{
+		Schema: "raw.nws.daily.forecast.v1",
+	})
+	if err == nil {
+		t.Fatalf("normalizeForecastEventBySchema() expected unsupported schema error")
+	}
+	if !strings.Contains(err.Error(), "unsupported nws forecast schema") {
+		t.Fatalf("error = %q, want unsupported schema context", err)
+	}
+}
+
+func TestNormalizeForecastEventBySchemaRoutesHourly(t *testing.T) {
+	_, err := normalizeForecastEventBySchema(event.Event{
+		Schema:  standards.SchemaRawNWSHourlyForecastV1,
+		Payload: map[string]any{"properties": map[string]any{}},
+	})
+	if err == nil {
+		t.Fatalf("normalizeForecastEventBySchema() expected build error for missing generatedAt")
+	}
+	if !strings.Contains(err.Error(), "missing properties.generatedAt") {
+		t.Fatalf("error = %q, want missing properties.generatedAt", err)
+	}
+}
+
+func TestNormalizeForecastEventBySchemaRoutesNarrative(t *testing.T) {
+	_, err := normalizeForecastEventBySchema(event.Event{
+		Schema:  standards.SchemaRawNWSNarrativeForecastV1,
+		Payload: map[string]any{"properties": map[string]any{}},
+	})
+	if err == nil {
+		t.Fatalf("normalizeForecastEventBySchema() expected build error for missing generatedAt")
+	}
+	if !strings.Contains(err.Error(), "missing properties.generatedAt") {
+		t.Fatalf("error = %q, want missing properties.generatedAt", err)
+	}
+}
+
+func TestBuildNarrativeForecastMapsExpectedFields(t *testing.T) {
+	parsed := nwsNarrativeForecastResponse{}
+	parsed.Properties.GeneratedAt = "2026-03-27T15:17:01Z"
+	isDay := true
+	tempF := 53.0
+	pop := 20.0
+
+	parsed.Properties.Periods = []nwsNarrativeForecastPeriod{
+		{
+			Name:             "Today",
+			StartTime:        "2026-03-27T10:00:00-05:00",
+			EndTime:          "2026-03-27T18:00:00-05:00",
+			IsDaytime:        &isDay,
+			Temperature:      &tempF,
+			TemperatureUnit:  "F",
+			WindSpeed:        "10 to 14 mph",
+			WindDirection:    "SW",
+			ShortForecast:    "Partly Sunny",
+			DetailedForecast: "  Partly sunny, with a high near 53.  ",
+			ProbabilityOfPrecipitation: struct {
+				UnitCode string   `json:"unitCode"`
+				Value    *float64 `json:"value"`
+			}{
+				UnitCode: "wmoUnit:percent",
+				Value:    &pop,
+			},
+			Icon: "https://api.weather.gov/icons/land/day/bkn?size=medium",
+		},
+	}
+
+	run, effectiveAt, err := buildNarrativeForecast(parsed)
+	if err != nil {
+		t.Fatalf("buildNarrativeForecast() error = %v", err)
+	}
+	if got, want := run.Product, model.ForecastProductNarrative; got != want {
+		t.Fatalf("Product = %q, want %q", got, want)
+	}
+	if len(run.Periods) != 1 {
+		t.Fatalf("periods len = %d, want 1", len(run.Periods))
+	}
+
+	p := run.Periods[0]
+	if got, want := p.TextDescription, "Partly sunny, with a high near 53."; got != want {
+		t.Fatalf("TextDescription = %q, want %q", got, want)
+	}
+	if p.TemperatureC == nil {
+		t.Fatalf("TemperatureC is nil, want converted value")
+	}
+	if math.Abs(*p.TemperatureC-11.6666666667) > 0.0001 {
+		t.Fatalf("TemperatureC = %.6f, want ~11.6667", *p.TemperatureC)
+	}
+	if p.IsDay == nil || !*p.IsDay {
+		t.Fatalf("IsDay = %v, want true", p.IsDay)
+	}
+	if p.WindDirectionDegrees == nil || *p.WindDirectionDegrees != 225 {
+		t.Fatalf("WindDirectionDegrees = %v, want 225", p.WindDirectionDegrees)
+	}
+	if p.WindSpeedKmh == nil || math.Abs(*p.WindSpeedKmh-19.3128) > 0.001 {
+		t.Fatalf("WindSpeedKmh = %.6f, want ~19.3128", derefOrZero(p.WindSpeedKmh))
+	}
+	if p.ProbabilityOfPrecipitationPercent == nil || *p.ProbabilityOfPrecipitationPercent != 20 {
+		t.Fatalf("ProbabilityOfPrecipitationPercent = %v, want 20", p.ProbabilityOfPrecipitationPercent)
+	}
+
+	wantIssued := time.Date(2026, 3, 27, 15, 17, 1, 0, time.UTC)
+	if !run.IssuedAt.Equal(wantIssued) {
+		t.Fatalf("IssuedAt = %s, want %s", run.IssuedAt.Format(time.RFC3339), wantIssued.Format(time.RFC3339))
+	}
+	if !effectiveAt.Equal(wantIssued) {
+		t.Fatalf("effectiveAt = %s, want %s", effectiveAt.Format(time.RFC3339), wantIssued.Format(time.RFC3339))
+	}
+
+	assertNoLegacyForecastDescriptionKeys(t, p)
+}
+
+func TestBuildNarrativeForecastFallsBackToShortForecastDescription(t *testing.T) {
+	parsed := nwsNarrativeForecastResponse{}
+	parsed.Properties.GeneratedAt = "2026-03-27T15:17:01Z"
+	parsed.Properties.Periods = []nwsNarrativeForecastPeriod{
+		{
+			StartTime:        "2026-03-27T18:00:00-05:00",
+			EndTime:          "2026-03-28T06:00:00-05:00",
+			ShortForecast:    "  Mostly Clear  ",
+			DetailedForecast: "   ",
+		},
+	}
+
+	run, _, err := buildNarrativeForecast(parsed)
+	if err != nil {
+		t.Fatalf("buildNarrativeForecast() error = %v", err)
+	}
+	if len(run.Periods) != 1 {
+		t.Fatalf("periods len = %d, want 1", len(run.Periods))
+	}
+	if got, want := run.Periods[0].TextDescription, "Mostly Clear"; got != want {
+		t.Fatalf("TextDescription = %q, want %q", got, want)
+	}
+}
+
+func assertNoLegacyForecastDescriptionKeys(t *testing.T, period any) {
+	t.Helper()
+
+	b, err := json.Marshal(period)
+	if err != nil {
+		t.Fatalf("json.Marshal(period) error = %v", err)
+	}
+	var got map[string]any
+	if err := json.Unmarshal(b, &got); err != nil {
+		t.Fatalf("json.Unmarshal(period) error = %v", err)
+	}
+
+	for _, key := range []string{"conditionText", "providerRawDescription", "detailedText", "iconUrl"} {
+		if _, ok := got[key]; ok {
+			t.Fatalf("unexpected legacy key %q in marshaled period: %#v", key, got)
+		}
+	}
+}
+
+func derefOrZero(v *float64) float64 {
+	if v == nil {
+		return 0
+	}
+	return *v
+}

internal/normalizers/nws/observation.go

@@ -54,14 +54,6 @@ func buildObservation(parsed nwsObservationResponse) (model.WeatherObservation,
 		ts = t.UTC()
 	}
 
-	cloudLayers := make([]model.CloudLayer, 0, len(parsed.Properties.CloudLayers))
-	for _, cl := range parsed.Properties.CloudLayers {
-		cloudLayers = append(cloudLayers, model.CloudLayer{
-			BaseMeters: cl.Base.Value,
-			Amount:     cl.Amount,
-		})
-	}
-
 	// Preserve raw presentWeather objects (for troubleshooting / drift analysis).
 	present := make([]model.PresentWeather, 0, len(parsed.Properties.PresentWeather))
 	for _, pw := range parsed.Properties.PresentWeather {
@@ -70,6 +62,7 @@ func buildObservation(parsed nwsObservationResponse) (model.WeatherObservation,
 
 	// Decode presentWeather into typed METAR phenomena for mapping.
 	phenomena := decodeMetarPhenomena(parsed.Properties.PresentWeather)
+	cloudLayers := parsed.Properties.CloudLayers
 
 	providerDesc := strings.TrimSpace(parsed.Properties.TextDescription)
 
@@ -81,9 +74,6 @@ func buildObservation(parsed nwsObservationResponse) (model.WeatherObservation,
 		isDay = isDayFromLatLonTime(*lat, *lon, ts)
 	}
 
-	// Canonical condition text comes from our WMO table.
-	canonicalText := standards.WMOText(wmo, isDay)
-
 	// Apparent temperature: prefer wind chill when both are supplied.
 	var apparentC *float64
 	if parsed.Properties.WindChill.Value != nil {
@@ -98,15 +88,9 @@ func buildObservation(parsed nwsObservationResponse) (model.WeatherObservation,
 		Timestamp:   ts,
 
 		ConditionCode: wmo,
-		ConditionText: canonicalText,
 		IsDay:         isDay,
 
-		ProviderRawDescription: providerDesc,
+		TextDescription: providerDesc,
-
-		// Transitional / human-facing:
-		// keep output consistent by populating TextDescription from canonical text.
-		TextDescription: canonicalText,
-		IconURL:         parsed.Properties.Icon,
 
 		TemperatureC: parsed.Properties.Temperature.Value,
 		DewpointC:    parsed.Properties.Dewpoint.Value,
@@ -115,19 +99,21 @@ func buildObservation(parsed nwsObservationResponse) (model.WeatherObservation,
 		WindSpeedKmh:         parsed.Properties.WindSpeed.Value,
 		WindGustKmh:          parsed.Properties.WindGust.Value,
 
-		BarometricPressurePa: parsed.Properties.BarometricPressure.Value,
+		BarometricPressurePa: pressurePrecedenceNWS(parsed.Properties.SeaLevelPressure.Value, parsed.Properties.BarometricPressure.Value),
-		SeaLevelPressurePa:   parsed.Properties.SeaLevelPressure.Value,
 		VisibilityMeters:     parsed.Properties.Visibility.Value,
 
 		RelativeHumidityPercent: parsed.Properties.RelativeHumidity.Value,
 		ApparentTemperatureC:    apparentC,
 
-		ElevationMeters: parsed.Properties.Elevation.Value,
-		RawMessage:      parsed.Properties.RawMessage,
-
 		PresentWeather: present,
-		CloudLayers:    cloudLayers,
 	}
 
 	return obs, ts, nil
 }
+
+func pressurePrecedenceNWS(seaLevelPa, barometricPa *float64) *float64 {
+	if seaLevelPa != nil {
+		return seaLevelPa
+	}
+	return barometricPa
+}

internal/normalizers/nws/observation_test.go

@@ -0,0 +1,51 @@
+package nws
+
+import "testing"
+
+func TestBuildObservationTextDescriptionAndPressurePrecedence(t *testing.T) {
+	barometric := 100200.0
+	seaLevel := 101400.0
+
+	parsed := nwsObservationResponse{}
+	parsed.Properties.Timestamp = "2026-03-16T19:00:00Z"
+	parsed.Properties.TextDescription = "  Overcast  "
+	parsed.Properties.BarometricPressure.Value = &barometric
+	parsed.Properties.SeaLevelPressure.Value = &seaLevel
+
+	obs, _, err := buildObservation(parsed)
+	if err != nil {
+		t.Fatalf("buildObservation() error = %v", err)
+	}
+
+	if got, want := obs.TextDescription, "Overcast"; got != want {
+		t.Fatalf("TextDescription = %q, want %q", got, want)
+	}
+
+	if obs.BarometricPressurePa == nil {
+		t.Fatalf("BarometricPressurePa = nil, want non-nil")
+	}
+	if got, want := *obs.BarometricPressurePa, seaLevel; got != want {
+		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
+	}
+}
+
+func TestBuildObservationPressureFallbackToBarometric(t *testing.T) {
+	barometric := 99900.0
+
+	parsed := nwsObservationResponse{}
+	parsed.Properties.Timestamp = "2026-03-16T19:00:00Z"
+	parsed.Properties.TextDescription = "Cloudy"
+	parsed.Properties.BarometricPressure.Value = &barometric
+
+	obs, _, err := buildObservation(parsed)
+	if err != nil {
+		t.Fatalf("buildObservation() error = %v", err)
+	}
+
+	if obs.BarometricPressurePa == nil {
+		t.Fatalf("BarometricPressurePa = nil, want non-nil")
+	}
+	if got, want := *obs.BarometricPressurePa, barometric; got != want {
+		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
+	}
+}

internal/normalizers/nws/register.go

@@ -2,7 +2,7 @@
 package nws
 
 import (
-	fknormalize "gitea.maximumdirect.net/ejr/feedkit/normalize"
+	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
 )
 
 // Register appends NWS normalizers in stable order.

internal/normalizers/nws/types.go

@@ -86,22 +86,21 @@ type nwsObservationResponse struct {
 		// We decode these as generic maps, then optionally interpret them in metar.go.
 		PresentWeather []map[string]any `json:"presentWeather"`
 
-		CloudLayers []struct {
+		CloudLayers []nwsCloudLayer `json:"cloudLayers"`
+	} `json:"properties"`
+}
+
+type nwsCloudLayer struct {
 	Base struct {
 		UnitCode string   `json:"unitCode"`
 		Value    *float64 `json:"value"`
 	} `json:"base"`
 	Amount string `json:"amount"`
-		} `json:"cloudLayers"`
-	} `json:"properties"`
 }
 
-// nwsForecastResponse is a minimal-but-sufficient representation of the NWS
+// nwsHourlyForecastResponse is a minimal-but-sufficient representation of the NWS
-// gridpoint forecast GeoJSON payload needed for mapping into model.WeatherForecastRun.
+// gridpoint hourly forecast GeoJSON payload needed for mapping into model.WeatherForecastRun.
-//
+type nwsHourlyForecastResponse struct {
-// This is currently designed to support the hourly forecast endpoint; revisions may be needed
-// to accommodate other forecast endpoints in the future.
-type nwsForecastResponse struct {
 	Geometry struct {
 		Type        string        `json:"type"`
 		Coordinates [][][]float64 `json:"coordinates"` // GeoJSON polygon: [ring][point][lon,lat]
@@ -120,11 +119,11 @@ type nwsForecastResponse struct {
 			Value    *float64 `json:"value"`
 		} `json:"elevation"`
 
-		Periods []nwsForecastPeriod `json:"periods"`
+		Periods []nwsHourlyForecastPeriod `json:"periods"`
 	} `json:"properties"`
 }
 
-type nwsForecastPeriod struct {
+type nwsHourlyForecastPeriod struct {
 	Number    int    `json:"number"`
 	Name      string `json:"name"`
 	StartTime string `json:"startTime"`
@@ -159,6 +158,56 @@ type nwsForecastPeriod struct {
 	DetailedForecast string `json:"detailedForecast"`
 }
 
+// nwsNarrativeForecastResponse is a minimal-but-sufficient representation of the NWS
+// gridpoint narrative forecast GeoJSON payload needed for mapping into model.WeatherForecastRun.
+type nwsNarrativeForecastResponse struct {
+	Geometry struct {
+		Type        string        `json:"type"`
+		Coordinates [][][]float64 `json:"coordinates"` // GeoJSON polygon: [ring][point][lon,lat]
+	} `json:"geometry"`
+
+	Properties struct {
+		Units             string `json:"units"`             // "us" or "si" (often "us" for narrative)
+		ForecastGenerator string `json:"forecastGenerator"` // e.g. "BaselineForecastGenerator"
+
+		GeneratedAt string `json:"generatedAt"` // RFC3339-ish
+		UpdateTime  string `json:"updateTime"`  // RFC3339-ish
+		ValidTimes  string `json:"validTimes"`
+
+		Elevation struct {
+			UnitCode string   `json:"unitCode"`
+			Value    *float64 `json:"value"`
+		} `json:"elevation"`
+
+		Periods []nwsNarrativeForecastPeriod `json:"periods"`
+	} `json:"properties"`
+}
+
+type nwsNarrativeForecastPeriod struct {
+	Number    int    `json:"number"`
+	Name      string `json:"name"`
+	StartTime string `json:"startTime"`
+	EndTime   string `json:"endTime"`
+
+	IsDaytime *bool `json:"isDaytime"`
+
+	Temperature      *float64 `json:"temperature"`
+	TemperatureUnit  string   `json:"temperatureUnit"` // "F" or "C"
+	TemperatureTrend any      `json:"temperatureTrend"`
+
+	ProbabilityOfPrecipitation struct {
+		UnitCode string   `json:"unitCode"`
+		Value    *float64 `json:"value"`
+	} `json:"probabilityOfPrecipitation"`
+
+	WindSpeed     string `json:"windSpeed"`     // e.g. "9 mph", "10 to 15 mph"
+	WindDirection string `json:"windDirection"` // e.g. "W", "NW"
+
+	Icon             string `json:"icon"`
+	ShortForecast    string `json:"shortForecast"`
+	DetailedForecast string `json:"detailedForecast"`
+}
+
 // nwsAlertsResponse is a minimal-but-sufficient representation of the NWS /alerts
 // FeatureCollection payload needed for mapping into model.WeatherAlertRun.
 type nwsAlertsResponse struct {

internal/normalizers/nws/wmo_map.go

@@ -14,7 +14,7 @@ import (
 //  1. METAR phenomena (presentWeather) — most reliable for precip/hazards
 //  2. textDescription keywords — weaker, but reusable across providers
 //  3. cloud layers fallback — only for sky-only conditions
-func mapNWSToWMO(providerDesc string, cloudLayers []model.CloudLayer, phenomena []metarPhenomenon) model.WMOCode {
+func mapNWSToWMO(providerDesc string, cloudLayers []nwsCloudLayer, phenomena []metarPhenomenon) model.WMOCode {
 	// 1) Prefer METAR phenomena if present.
 	if code := wmoFromPhenomena(phenomena); code != model.WMOUnknown {
 		return code
@@ -167,7 +167,7 @@ func wmoFromPhenomena(phenomena []metarPhenomenon) model.WMOCode {
 	return model.WMOUnknown
 }
 
-func wmoFromCloudLayers(cloudLayers []model.CloudLayer) model.WMOCode {
+func wmoFromCloudLayers(cloudLayers []nwsCloudLayer) model.WMOCode {
 	// NWS cloud layer amount values commonly include:
 	// OVC, BKN, SCT, FEW, SKC, CLR, VV (vertical visibility / obscured sky)
 	//

internal/normalizers/openmeteo/forecast.go

@@ -108,14 +108,7 @@ func buildForecast(parsed omForecastResponse, fallbackIssued time.Time) (model.W
 			IsDay: isDay,
 
 			ConditionCode:   wmo,
-			ConditionText: canonicalText,
-
-			ProviderRawDescription: "",
-
 			TextDescription: canonicalText,
-			DetailedText:    "",
-
-			IconURL: "",
 		}
 
 		if v := floatAt(parsed.Hourly.Temperature2m, i); v != nil {

internal/normalizers/openmeteo/forecast_test.go

@@ -0,0 +1,71 @@
+package openmeteo
+
+import (
+	"encoding/json"
+	"testing"
+	"time"
+
+	"gitea.maximumdirect.net/ejr/weatherfeeder/model"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
+)
+
+func TestBuildForecastUsesCanonicalTextDescription(t *testing.T) {
+	weatherCode := 2
+	isDay := 1
+
+	parsed := omForecastResponse{
+		Timezone:         "UTC",
+		UTCOffsetSeconds: 0,
+		Hourly: omForecastHourly{
+			Time:        []string{"2026-03-16T19:00"},
+			WeatherCode: []*int{&weatherCode},
+			IsDay:       []*int{&isDay},
+		},
+	}
+
+	run, effectiveAt, err := buildForecast(parsed, time.Time{})
+	if err != nil {
+		t.Fatalf("buildForecast() error = %v", err)
+	}
+	if len(run.Periods) != 1 {
+		t.Fatalf("periods len = %d, want 1", len(run.Periods))
+	}
+
+	expectedText := standards.WMOText(model.WMOCode(weatherCode), boolPtr(true))
+	if got := run.Periods[0].TextDescription; got != expectedText {
+		t.Fatalf("TextDescription = %q, want %q", got, expectedText)
+	}
+
+	wantIssued := time.Date(2026, 3, 16, 19, 0, 0, 0, time.UTC)
+	if !run.IssuedAt.Equal(wantIssued) {
+		t.Fatalf("IssuedAt = %s, want %s", run.IssuedAt.Format(time.RFC3339), wantIssued.Format(time.RFC3339))
+	}
+	if !effectiveAt.Equal(wantIssued) {
+		t.Fatalf("effectiveAt = %s, want %s", effectiveAt.Format(time.RFC3339), wantIssued.Format(time.RFC3339))
+	}
+
+	assertNoLegacyForecastDescriptionKeys(t, run.Periods[0])
+}
+
+func boolPtr(v bool) *bool {
+	return &v
+}
+
+func assertNoLegacyForecastDescriptionKeys(t *testing.T, period any) {
+	t.Helper()
+
+	b, err := json.Marshal(period)
+	if err != nil {
+		t.Fatalf("json.Marshal(period) error = %v", err)
+	}
+	var got map[string]any
+	if err := json.Unmarshal(b, &got); err != nil {
+		t.Fatalf("json.Unmarshal(period) error = %v", err)
+	}
+
+	for _, key := range []string{"conditionText", "providerRawDescription", "detailedText", "iconUrl"} {
+		if _, ok := got[key]; ok {
+			t.Fatalf("unexpected legacy key %q in marshaled period: %#v", key, got)
+		}
+	}
+}

internal/normalizers/openmeteo/observation.go

@@ -87,19 +87,8 @@ func buildObservation(parsed omResponse) (model.WeatherObservation, time.Time, e
 		Timestamp:   ts,
 
 		ConditionCode:   wmo,
-		ConditionText: canonicalText,
 		IsDay:           isDay,
-
-		// Open-Meteo does not provide a separate human text description for "current"
-		// when using weather_code; we leave provider evidence empty.
-		ProviderRawDescription: "",
-
-		// Transitional / human-facing:
-		// keep output consistent by populating TextDescription from canonical text.
 		TextDescription: canonicalText,
-
-		// IconURL: Open-Meteo does not provide an icon URL in this endpoint.
-		IconURL: "",
 	}
 
 	// Measurements (all optional; only set when present).
@@ -132,20 +121,13 @@ func buildObservation(parsed omResponse) (model.WeatherObservation, time.Time, e
 		obs.WindGustKmh = &v
 	}
 
-	if parsed.Current.SurfacePressure != nil {
+	if parsed.Current.PressureMSL != nil {
+		v := normcommon.PressurePaFromHPa(*parsed.Current.PressureMSL)
+		obs.BarometricPressurePa = &v
+	} else if parsed.Current.SurfacePressure != nil {
 		v := normcommon.PressurePaFromHPa(*parsed.Current.SurfacePressure)
 		obs.BarometricPressurePa = &v
 	}
 
-	if parsed.Current.PressureMSL != nil {
-		v := normcommon.PressurePaFromHPa(*parsed.Current.PressureMSL)
-		obs.SeaLevelPressurePa = &v
-	}
-
-	if parsed.Elevation != nil {
-		v := *parsed.Elevation
-		obs.ElevationMeters = &v
-	}
-
 	return obs, ts, nil
 }

internal/normalizers/openmeteo/observation_test.go

@@ -0,0 +1,61 @@
+package openmeteo
+
+import "testing"
+
+func TestBuildObservationTextDescriptionAndPressurePrecedence(t *testing.T) {
+	weatherCode := 2
+	pressureMSL := 1016.0
+	surfacePressure := 1009.0
+
+	parsed := omResponse{
+		Timezone:         "UTC",
+		UTCOffsetSeconds: 0,
+		Current: omCurrent{
+			Time:            "2026-03-16T19:00",
+			WeatherCode:     &weatherCode,
+			PressureMSL:     &pressureMSL,
+			SurfacePressure: &surfacePressure,
+		},
+	}
+
+	obs, _, err := buildObservation(parsed)
+	if err != nil {
+		t.Fatalf("buildObservation() error = %v", err)
+	}
+
+	if got, want := obs.TextDescription, "Partly Cloudy"; got != want {
+		t.Fatalf("TextDescription = %q, want %q", got, want)
+	}
+
+	if obs.BarometricPressurePa == nil {
+		t.Fatalf("BarometricPressurePa = nil, want non-nil")
+	}
+	if got, want := *obs.BarometricPressurePa, 101600.0; got != want {
+		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
+	}
+}
+
+func TestBuildObservationPressureFallbackToSurface(t *testing.T) {
+	surfacePressure := 1008.0
+
+	parsed := omResponse{
+		Timezone:         "UTC",
+		UTCOffsetSeconds: 0,
+		Current: omCurrent{
+			Time:            "2026-03-16T19:00",
+			SurfacePressure: &surfacePressure,
+		},
+	}
+
+	obs, _, err := buildObservation(parsed)
+	if err != nil {
+		t.Fatalf("buildObservation() error = %v", err)
+	}
+
+	if obs.BarometricPressurePa == nil {
+		t.Fatalf("BarometricPressurePa = nil, want non-nil")
+	}
+	if got, want := *obs.BarometricPressurePa, 100800.0; got != want {
+		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
+	}
+}

internal/normalizers/openmeteo/register.go

@@ -2,7 +2,7 @@
 package openmeteo
 
 import (
-	fknormalize "gitea.maximumdirect.net/ejr/feedkit/normalize"
+	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
 )
 
 // Register appends Open-Meteo normalizers in stable order.

internal/normalizers/openweather/common.go

@@ -53,15 +53,6 @@ func inferIsDay(icon string, dt, sunrise, sunset int64) *bool {
 	return nil
 }
 
-// openWeatherIconURL builds the standard OpenWeather icon URL for the given icon code.
-func openWeatherIconURL(icon string) string {
-	icon = strings.TrimSpace(icon)
-	if icon == "" {
-		return ""
-	}
-	return fmt.Sprintf("https://openweathermap.org/img/wn/%s@2x.png", icon)
-}
-
 // openWeatherStationID returns a stable station identifier for the given response.
 // Prefer the OpenWeather city ID when present; otherwise, fall back to coordinates.
 func openWeatherStationID(parsed owmResponse) string {

internal/normalizers/openweather/observation.go

@@ -75,10 +75,10 @@ func buildObservation(parsed owmResponse) (model.WeatherObservation, time.Time,
 	}
 
 	surfacePa := normcommon.PressurePaFromHPa(parsed.Main.Pressure)
-	var seaLevelPa *float64
+	barometricPa := &surfacePa
 	if parsed.Main.SeaLevel != nil {
 		v := normcommon.PressurePaFromHPa(*parsed.Main.SeaLevel)
-		seaLevelPa = &v
+		barometricPa = &v
 	}
 
 	wsKmh := normcommon.SpeedKmhFromMps(parsed.Wind.Speed)
@@ -96,9 +96,6 @@ func buildObservation(parsed owmResponse) (model.WeatherObservation, time.Time,
 
 	// Condition mapping: OpenWeather condition IDs -> canonical WMO code vocabulary.
 	wmo := mapOpenWeatherToWMO(owmID)
-	canonicalText := standards.WMOText(wmo, isDay)
-
-	iconURL := openWeatherIconURL(icon)
 
 	stationID := openWeatherStationID(parsed)
 	stationName := strings.TrimSpace(parsed.Name)
@@ -112,14 +109,8 @@ func buildObservation(parsed owmResponse) (model.WeatherObservation, time.Time,
 		Timestamp:   ts,
 
 		ConditionCode:   wmo,
-		ConditionText: canonicalText,
 		IsDay:           isDay,
-
+		TextDescription: rawDesc,
-		ProviderRawDescription: rawDesc,
-
-		// Human-facing legacy fields: populate with canonical text for consistency.
-		TextDescription: canonicalText,
-		IconURL:         iconURL,
 
 		TemperatureC:         &tempC,
 		ApparentTemperatureC: apparentC,
@@ -128,8 +119,7 @@ func buildObservation(parsed owmResponse) (model.WeatherObservation, time.Time,
 		WindSpeedKmh:         &wsKmh,
 		WindGustKmh:          wgKmh,
 
-		BarometricPressurePa: &surfacePa,
+		BarometricPressurePa: barometricPa,
-		SeaLevelPressurePa:   seaLevelPa,
 		VisibilityMeters:     visM,
 
 		RelativeHumidityPercent: &rh,

internal/normalizers/openweather/observation_test.go

@@ -0,0 +1,58 @@
+package openweather
+
+import "testing"
+
+func TestBuildObservationTextDescriptionAndPressurePrecedence(t *testing.T) {
+	seaLevel := 1018.0
+
+	parsed := owmResponse{}
+	parsed.Dt = 1710000000
+	parsed.Main.Temp = 20.0
+	parsed.Main.Humidity = 45.0
+	parsed.Main.Pressure = 1000.0
+	parsed.Main.SeaLevel = &seaLevel
+	parsed.Wind.Speed = 3.0
+	parsed.Weather = []owmWeather{
+		{ID: 801, Main: "Clouds", Description: "few clouds", Icon: "02d"},
+	}
+
+	obs, _, err := buildObservation(parsed)
+	if err != nil {
+		t.Fatalf("buildObservation() error = %v", err)
+	}
+
+	if obs.TextDescription != "few clouds" {
+		t.Fatalf("TextDescription = %q, want %q", obs.TextDescription, "few clouds")
+	}
+
+	if obs.BarometricPressurePa == nil {
+		t.Fatalf("BarometricPressurePa = nil, want non-nil")
+	}
+	if got, want := *obs.BarometricPressurePa, 101800.0; got != want {
+		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
+	}
+}
+
+func TestBuildObservationPressureFallbackToSurface(t *testing.T) {
+	parsed := owmResponse{}
+	parsed.Dt = 1710000000
+	parsed.Main.Temp = 20.0
+	parsed.Main.Humidity = 45.0
+	parsed.Main.Pressure = 1001.0
+	parsed.Wind.Speed = 3.0
+	parsed.Weather = []owmWeather{
+		{ID: 800, Description: "clear sky", Icon: "01d"},
+	}
+
+	obs, _, err := buildObservation(parsed)
+	if err != nil {
+		t.Fatalf("buildObservation() error = %v", err)
+	}
+
+	if obs.BarometricPressurePa == nil {
+		t.Fatalf("BarometricPressurePa = nil, want non-nil")
+	}
+	if got, want := *obs.BarometricPressurePa, 100100.0; got != want {
+		t.Fatalf("BarometricPressurePa = %v, want %v", got, want)
+	}
+}

internal/normalizers/openweather/register.go

@@ -2,7 +2,7 @@
 package openweather
 
 import (
-	fknormalize "gitea.maximumdirect.net/ejr/feedkit/normalize"
+	fknormalize "gitea.maximumdirect.net/ejr/feedkit/processors/normalize"
 )
 
 // Register appends OpenWeather normalizers in stable order.

internal/sinks/postgres/doc.go

@@ -0,0 +1,188 @@
+// Package postgres documents weatherfeeder's PostgreSQL sink contract for
+// downstream SQL consumers.
+//
+// This package wires weatherfeeder canonical events into normalized relational
+// tables. Downstream consumers can reconstruct the same canonical JSON objects
+// that were written by joining parent/child tables as described below.
+//
+// Canonical input schemas:
+//   - weather.observation.v1 -> model.WeatherObservation
+//   - weather.forecast.v1    -> model.WeatherForecastRun
+//   - weather.alert.v1       -> model.WeatherAlertRun
+//
+// Parent/child relationships:
+//   - observations.event_id -> observation_present_weather.event_id
+//   - forecasts.event_id    -> forecast_periods.run_event_id
+//   - alert_runs.event_id   -> alerts.run_event_id
+//   - alerts.(run_event_id, alert_index) -> alert_references.(run_event_id, alert_index)
+//
+// Dedupe and retention behavior:
+//   - Parent primary keys (event_id): observations, forecasts, alert_runs.
+//   - Child primary keys use positional indexes to preserve payload order.
+//   - Prune columns:
+//   - observations.observed_at
+//   - observation_present_weather.observed_at
+//   - forecasts.issued_at
+//   - forecast_periods.issued_at
+//   - alert_runs.as_of
+//   - alerts.as_of
+//   - alert_references.as_of
+//
+// Envelope field mapping (shared parent columns)
+//
+// These columns exist on observations, forecasts, and alert_runs:
+//   - event_id TEXT -> event.id
+//   - event_kind TEXT -> event.kind
+//   - event_source TEXT -> event.source
+//   - event_schema TEXT -> event.schema
+//   - event_emitted_at TIMESTAMPTZ -> event.emitted_at
+//   - event_effective_at TIMESTAMPTZ NULL -> event.effective_at
+//
+// Table contract
+//
+//  1. observations (PK: event_id)
+//
+//     - event_id TEXT -> event.id
+//     - event_kind TEXT -> event.kind
+//     - event_source TEXT -> event.source
+//     - event_schema TEXT -> event.schema
+//     - event_emitted_at TIMESTAMPTZ -> event.emitted_at
+//     - event_effective_at TIMESTAMPTZ NULL -> event.effective_at
+//     - station_id TEXT NULL -> payload.stationId
+//     - station_name TEXT NULL -> payload.stationName
+//     - observed_at TIMESTAMPTZ -> payload.timestamp
+//     - condition_code INTEGER -> payload.conditionCode
+//     - is_day BOOLEAN NULL -> payload.isDay
+//     - text_description TEXT NULL -> payload.textDescription
+//     - temperature_c DOUBLE PRECISION NULL -> payload.temperatureC
+//     - dewpoint_c DOUBLE PRECISION NULL -> payload.dewpointC
+//     - wind_direction_degrees DOUBLE PRECISION NULL -> payload.windDirectionDegrees
+//     - wind_speed_kmh DOUBLE PRECISION NULL -> payload.windSpeedKmh
+//     - wind_gust_kmh DOUBLE PRECISION NULL -> payload.windGustKmh
+//     - barometric_pressure_pa DOUBLE PRECISION NULL -> payload.barometricPressurePa
+//     - visibility_meters DOUBLE PRECISION NULL -> payload.visibilityMeters
+//     - relative_humidity_percent DOUBLE PRECISION NULL -> payload.relativeHumidityPercent
+//     - apparent_temperature_c DOUBLE PRECISION NULL -> payload.apparentTemperatureC
+//
+//  2. observation_present_weather (PK: event_id, weather_index)
+//
+//     - event_id TEXT -> observations.event_id / payload.presentWeather[i]
+//     - weather_index INTEGER -> i (array position in payload.presentWeather)
+//     - observed_at TIMESTAMPTZ -> payload.timestamp
+//     - raw_text TEXT NULL -> JSON-encoded payload.presentWeather[i].raw
+//
+// Note: raw_text stores compact JSON text. Consumers that need the original
+// object should parse raw_text as JSON.
+//
+//  3. forecasts (PK: event_id)
+//
+//     - event_id TEXT -> event.id
+//     - event_kind TEXT -> event.kind
+//     - event_source TEXT -> event.source
+//     - event_schema TEXT -> event.schema
+//     - event_emitted_at TIMESTAMPTZ -> event.emitted_at
+//     - event_effective_at TIMESTAMPTZ NULL -> event.effective_at
+//     - location_id TEXT NULL -> payload.locationId
+//     - location_name TEXT NULL -> payload.locationName
+//     - issued_at TIMESTAMPTZ -> payload.issuedAt
+//     - updated_at TIMESTAMPTZ NULL -> payload.updatedAt
+//     - product TEXT -> payload.product
+//     - latitude DOUBLE PRECISION NULL -> payload.latitude
+//     - longitude DOUBLE PRECISION NULL -> payload.longitude
+//     - elevation_meters DOUBLE PRECISION NULL -> payload.elevationMeters
+//     - period_count INTEGER -> len(payload.periods)
+//
+//  4. forecast_periods (PK: run_event_id, period_index)
+//
+//     - run_event_id TEXT -> forecasts.event_id / payload.periods[i]
+//     - period_index INTEGER -> i (array position in payload.periods)
+//     - issued_at TIMESTAMPTZ -> payload.issuedAt (copied from parent)
+//     - start_time TIMESTAMPTZ -> payload.periods[i].startTime
+//     - end_time TIMESTAMPTZ -> payload.periods[i].endTime
+//     - name TEXT NULL -> payload.periods[i].name
+//     - is_day BOOLEAN NULL -> payload.periods[i].isDay
+//     - condition_code INTEGER -> payload.periods[i].conditionCode
+//     - text_description TEXT NULL -> payload.periods[i].textDescription
+//     - temperature_c DOUBLE PRECISION NULL -> payload.periods[i].temperatureC
+//     - temperature_c_min DOUBLE PRECISION NULL -> payload.periods[i].temperatureCMin
+//     - temperature_c_max DOUBLE PRECISION NULL -> payload.periods[i].temperatureCMax
+//     - dewpoint_c DOUBLE PRECISION NULL -> payload.periods[i].dewpointC
+//     - relative_humidity_percent DOUBLE PRECISION NULL -> payload.periods[i].relativeHumidityPercent
+//     - wind_direction_degrees DOUBLE PRECISION NULL -> payload.periods[i].windDirectionDegrees
+//     - wind_speed_kmh DOUBLE PRECISION NULL -> payload.periods[i].windSpeedKmh
+//     - wind_gust_kmh DOUBLE PRECISION NULL -> payload.periods[i].windGustKmh
+//     - barometric_pressure_pa DOUBLE PRECISION NULL -> payload.periods[i].barometricPressurePa
+//     - visibility_meters DOUBLE PRECISION NULL -> payload.periods[i].visibilityMeters
+//     - apparent_temperature_c DOUBLE PRECISION NULL -> payload.periods[i].apparentTemperatureC
+//     - cloud_cover_percent DOUBLE PRECISION NULL -> payload.periods[i].cloudCoverPercent
+//     - probability_of_precipitation_percent DOUBLE PRECISION NULL -> payload.periods[i].probabilityOfPrecipitationPercent
+//     - precipitation_amount_mm DOUBLE PRECISION NULL -> payload.periods[i].precipitationAmountMm
+//     - snowfall_depth_mm DOUBLE PRECISION NULL -> payload.periods[i].snowfallDepthMm
+//     - uv_index DOUBLE PRECISION NULL -> payload.periods[i].uvIndex
+//
+//  5. alert_runs (PK: event_id)
+//
+//     - event_id TEXT -> event.id
+//     - event_kind TEXT -> event.kind
+//     - event_source TEXT -> event.source
+//     - event_schema TEXT -> event.schema
+//     - event_emitted_at TIMESTAMPTZ -> event.emitted_at
+//     - event_effective_at TIMESTAMPTZ NULL -> event.effective_at
+//     - location_id TEXT NULL -> payload.locationId
+//     - location_name TEXT NULL -> payload.locationName
+//     - as_of TIMESTAMPTZ -> payload.asOf
+//     - latitude DOUBLE PRECISION NULL -> payload.latitude
+//     - longitude DOUBLE PRECISION NULL -> payload.longitude
+//     - alert_count INTEGER -> len(payload.alerts)
+//
+//  6. alerts (PK: run_event_id, alert_index)
+//
+//     - run_event_id TEXT -> alert_runs.event_id / payload.alerts[i]
+//     - alert_index INTEGER -> i (array position in payload.alerts)
+//     - as_of TIMESTAMPTZ -> payload.asOf (copied from parent)
+//     - alert_id TEXT -> payload.alerts[i].id
+//     - event TEXT NULL -> payload.alerts[i].event
+//     - headline TEXT NULL -> payload.alerts[i].headline
+//     - severity TEXT NULL -> payload.alerts[i].severity
+//     - urgency TEXT NULL -> payload.alerts[i].urgency
+//     - certainty TEXT NULL -> payload.alerts[i].certainty
+//     - status TEXT NULL -> payload.alerts[i].status
+//     - message_type TEXT NULL -> payload.alerts[i].messageType
+//     - category TEXT NULL -> payload.alerts[i].category
+//     - response TEXT NULL -> payload.alerts[i].response
+//     - description TEXT NULL -> payload.alerts[i].description
+//     - instruction TEXT NULL -> payload.alerts[i].instruction
+//     - sent TIMESTAMPTZ NULL -> payload.alerts[i].sent
+//     - effective TIMESTAMPTZ NULL -> payload.alerts[i].effective
+//     - onset TIMESTAMPTZ NULL -> payload.alerts[i].onset
+//     - expires TIMESTAMPTZ NULL -> payload.alerts[i].expires
+//     - area_description TEXT NULL -> payload.alerts[i].areaDescription
+//     - sender_name TEXT NULL -> payload.alerts[i].senderName
+//     - reference_count INTEGER -> len(payload.alerts[i].references)
+//
+//  7. alert_references (PK: run_event_id, alert_index, reference_index)
+//
+//     - run_event_id TEXT -> alert_runs.event_id / payload.alerts[i].references[j]
+//     - alert_index INTEGER -> i (array position in payload.alerts)
+//     - reference_index INTEGER -> j (array position in payload.alerts[i].references)
+//     - as_of TIMESTAMPTZ -> payload.asOf (copied from parent)
+//     - id TEXT NULL -> payload.alerts[i].references[j].id
+//     - identifier TEXT NULL -> payload.alerts[i].references[j].identifier
+//     - sender TEXT NULL -> payload.alerts[i].references[j].sender
+//     - sent TIMESTAMPTZ NULL -> payload.alerts[i].references[j].sent
+//
+// Reconstructing canonical JSON payloads
+//
+//   - WeatherObservation:
+//     read one row from observations, then join child rows by event_id ordered by
+//     weather_index to rebuild presentWeather arrays.
+//
+//   - WeatherForecastRun:
+//     read one row from forecasts, then join forecast_periods by run_event_id
+//     ordered by period_index to rebuild periods.
+//
+//   - WeatherAlertRun:
+//     read one row from alert_runs, join alerts by run_event_id ordered by
+//     alert_index, then join alert_references by (run_event_id, alert_index)
+//     ordered by reference_index to rebuild references per alert.
+package postgres

internal/sinks/postgres/map.go

@@ -0,0 +1,320 @@
+package postgres
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"strings"
+	"time"
+
+	fkevent "gitea.maximumdirect.net/ejr/feedkit/event"
+	fksinks "gitea.maximumdirect.net/ejr/feedkit/sinks"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/model"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
+)
+
+func mapPostgresEvent(_ context.Context, e fkevent.Event) ([]fksinks.PostgresWrite, error) {
+	schema := strings.TrimSpace(e.Schema)
+	switch schema {
+	case standards.SchemaWeatherObservationV1:
+		return mapObservationEvent(e)
+	case standards.SchemaWeatherForecastV1:
+		return mapForecastEvent(e)
+	case standards.SchemaWeatherAlertV1:
+		return mapAlertEvent(e)
+	default:
+		return nil, nil
+	}
+}
+
+func mapObservationEvent(e fkevent.Event) ([]fksinks.PostgresWrite, error) {
+	obs, err := decodePayload[model.WeatherObservation](e.Payload)
+	if err != nil {
+		return nil, fmt.Errorf("decode observation payload: %w", err)
+	}
+	if obs.Timestamp.IsZero() {
+		return nil, fmt.Errorf("decode observation payload: timestamp is required")
+	}
+
+	observedAt := obs.Timestamp.UTC()
+	writes := make([]fksinks.PostgresWrite, 0, 1+len(obs.PresentWeather))
+
+	writes = append(writes, fksinks.PostgresWrite{
+		Table: tableObservations,
+		Values: map[string]any{
+			"event_id":                  e.ID,
+			"event_kind":                string(e.Kind),
+			"event_source":              e.Source,
+			"event_schema":              e.Schema,
+			"event_emitted_at":          e.EmittedAt.UTC(),
+			"event_effective_at":        nullableTime(e.EffectiveAt),
+			"station_id":                nullableString(obs.StationID),
+			"station_name":              nullableString(obs.StationName),
+			"observed_at":               observedAt,
+			"condition_code":            int(obs.ConditionCode),
+			"is_day":                    nullableBool(obs.IsDay),
+			"text_description":          nullableString(obs.TextDescription),
+			"temperature_c":             nullableFloat64(obs.TemperatureC),
+			"dewpoint_c":                nullableFloat64(obs.DewpointC),
+			"wind_direction_degrees":    nullableFloat64(obs.WindDirectionDegrees),
+			"wind_speed_kmh":            nullableFloat64(obs.WindSpeedKmh),
+			"wind_gust_kmh":             nullableFloat64(obs.WindGustKmh),
+			"barometric_pressure_pa":    nullableFloat64(obs.BarometricPressurePa),
+			"visibility_meters":         nullableFloat64(obs.VisibilityMeters),
+			"relative_humidity_percent": nullableFloat64(obs.RelativeHumidityPercent),
+			"apparent_temperature_c":    nullableFloat64(obs.ApparentTemperatureC),
+		},
+	})
+
+	for i, pw := range obs.PresentWeather {
+		rawText, err := compactJSONText(pw.Raw)
+		if err != nil {
+			return nil, fmt.Errorf("observation presentWeather[%d].raw: %w", i, err)
+		}
+		writes = append(writes, fksinks.PostgresWrite{
+			Table: tableObservationPresentWeather,
+			Values: map[string]any{
+				"event_id":      e.ID,
+				"weather_index": i,
+				"observed_at":   observedAt,
+				"raw_text":      rawText,
+			},
+		})
+	}
+
+	return writes, nil
+}
+
+func mapForecastEvent(e fkevent.Event) ([]fksinks.PostgresWrite, error) {
+	run, err := decodePayload[model.WeatherForecastRun](e.Payload)
+	if err != nil {
+		return nil, fmt.Errorf("decode forecast payload: %w", err)
+	}
+	if run.IssuedAt.IsZero() {
+		return nil, fmt.Errorf("decode forecast payload: issuedAt is required")
+	}
+	if strings.TrimSpace(string(run.Product)) == "" {
+		return nil, fmt.Errorf("decode forecast payload: product is required")
+	}
+
+	issuedAt := run.IssuedAt.UTC()
+	writes := make([]fksinks.PostgresWrite, 0, 1+len(run.Periods))
+
+	writes = append(writes, fksinks.PostgresWrite{
+		Table: tableForecasts,
+		Values: map[string]any{
+			"event_id":           e.ID,
+			"event_kind":         string(e.Kind),
+			"event_source":       e.Source,
+			"event_schema":       e.Schema,
+			"event_emitted_at":   e.EmittedAt.UTC(),
+			"event_effective_at": nullableTime(e.EffectiveAt),
+			"location_id":        nullableString(run.LocationID),
+			"location_name":      nullableString(run.LocationName),
+			"issued_at":          issuedAt,
+			"updated_at":         nullableTime(run.UpdatedAt),
+			"product":            string(run.Product),
+			"latitude":           nullableFloat64(run.Latitude),
+			"longitude":          nullableFloat64(run.Longitude),
+			"elevation_meters":   nullableFloat64(run.ElevationMeters),
+			"period_count":       len(run.Periods),
+		},
+	})
+
+	for i, p := range run.Periods {
+		if p.StartTime.IsZero() || p.EndTime.IsZero() {
+			return nil, fmt.Errorf("decode forecast payload: periods[%d] startTime/endTime are required", i)
+		}
+		writes = append(writes, fksinks.PostgresWrite{
+			Table: tableForecastPeriods,
+			Values: map[string]any{
+				"run_event_id":                         e.ID,
+				"period_index":                         i,
+				"issued_at":                            issuedAt,
+				"start_time":                           p.StartTime.UTC(),
+				"end_time":                             p.EndTime.UTC(),
+				"name":                                 nullableString(p.Name),
+				"is_day":                               nullableBool(p.IsDay),
+				"condition_code":                       int(p.ConditionCode),
+				"text_description":                     nullableString(p.TextDescription),
+				"temperature_c":                        nullableFloat64(p.TemperatureC),
+				"temperature_c_min":                    nullableFloat64(p.TemperatureCMin),
+				"temperature_c_max":                    nullableFloat64(p.TemperatureCMax),
+				"dewpoint_c":                           nullableFloat64(p.DewpointC),
+				"relative_humidity_percent":            nullableFloat64(p.RelativeHumidityPercent),
+				"wind_direction_degrees":               nullableFloat64(p.WindDirectionDegrees),
+				"wind_speed_kmh":                       nullableFloat64(p.WindSpeedKmh),
+				"wind_gust_kmh":                        nullableFloat64(p.WindGustKmh),
+				"barometric_pressure_pa":               nullableFloat64(p.BarometricPressurePa),
+				"visibility_meters":                    nullableFloat64(p.VisibilityMeters),
+				"apparent_temperature_c":               nullableFloat64(p.ApparentTemperatureC),
+				"cloud_cover_percent":                  nullableFloat64(p.CloudCoverPercent),
+				"probability_of_precipitation_percent": nullableFloat64(p.ProbabilityOfPrecipitationPercent),
+				"precipitation_amount_mm":              nullableFloat64(p.PrecipitationAmountMm),
+				"snowfall_depth_mm":                    nullableFloat64(p.SnowfallDepthMM),
+				"uv_index":                             nullableFloat64(p.UVIndex),
+			},
+		})
+	}
+
+	return writes, nil
+}
+
+func mapAlertEvent(e fkevent.Event) ([]fksinks.PostgresWrite, error) {
+	run, err := decodePayload[model.WeatherAlertRun](e.Payload)
+	if err != nil {
+		return nil, fmt.Errorf("decode alert payload: %w", err)
+	}
+	if run.AsOf.IsZero() {
+		return nil, fmt.Errorf("decode alert payload: asOf is required")
+	}
+
+	asOf := run.AsOf.UTC()
+	writes := make([]fksinks.PostgresWrite, 0, 1+len(run.Alerts)+countAlertReferences(run.Alerts))
+
+	writes = append(writes, fksinks.PostgresWrite{
+		Table: tableAlertRuns,
+		Values: map[string]any{
+			"event_id":           e.ID,
+			"event_kind":         string(e.Kind),
+			"event_source":       e.Source,
+			"event_schema":       e.Schema,
+			"event_emitted_at":   e.EmittedAt.UTC(),
+			"event_effective_at": nullableTime(e.EffectiveAt),
+			"location_id":        nullableString(run.LocationID),
+			"location_name":      nullableString(run.LocationName),
+			"as_of":              asOf,
+			"latitude":           nullableFloat64(run.Latitude),
+			"longitude":          nullableFloat64(run.Longitude),
+			"alert_count":        len(run.Alerts),
+		},
+	})
+
+	for i, a := range run.Alerts {
+		if strings.TrimSpace(a.ID) == "" {
+			return nil, fmt.Errorf("decode alert payload: alerts[%d].id is required", i)
+		}
+
+		writes = append(writes, fksinks.PostgresWrite{
+			Table: tableAlerts,
+			Values: map[string]any{
+				"run_event_id":     e.ID,
+				"alert_index":      i,
+				"as_of":            asOf,
+				"alert_id":         a.ID,
+				"event":            nullableString(a.Event),
+				"headline":         nullableString(a.Headline),
+				"severity":         nullableString(a.Severity),
+				"urgency":          nullableString(a.Urgency),
+				"certainty":        nullableString(a.Certainty),
+				"status":           nullableString(a.Status),
+				"message_type":     nullableString(a.MessageType),
+				"category":         nullableString(a.Category),
+				"response":         nullableString(a.Response),
+				"description":      nullableString(a.Description),
+				"instruction":      nullableString(a.Instruction),
+				"sent":             nullableTime(a.Sent),
+				"effective":        nullableTime(a.Effective),
+				"onset":            nullableTime(a.Onset),
+				"expires":          nullableTime(a.Expires),
+				"area_description": nullableString(a.AreaDescription),
+				"sender_name":      nullableString(a.SenderName),
+				"reference_count":  len(a.References),
+			},
+		})
+
+		for j, ref := range a.References {
+			writes = append(writes, fksinks.PostgresWrite{
+				Table: tableAlertReferences,
+				Values: map[string]any{
+					"run_event_id":    e.ID,
+					"alert_index":     i,
+					"reference_index": j,
+					"as_of":           asOf,
+					"id":              nullableString(ref.ID),
+					"identifier":      nullableString(ref.Identifier),
+					"sender":          nullableString(ref.Sender),
+					"sent":            nullableTime(ref.Sent),
+				},
+			})
+		}
+	}
+
+	return writes, nil
+}
+
+func decodePayload[T any](payload any) (T, error) {
+	var out T
+	if payload == nil {
+		return out, fmt.Errorf("payload is nil")
+	}
+
+	if typed, ok := payload.(T); ok {
+		return typed, nil
+	}
+	if ptr, ok := payload.(*T); ok {
+		if ptr == nil {
+			return out, fmt.Errorf("payload pointer is nil")
+		}
+		return *ptr, nil
+	}
+
+	b, err := json.Marshal(payload)
+	if err != nil {
+		return out, fmt.Errorf("marshal payload: %w", err)
+	}
+	if err := json.Unmarshal(b, &out); err != nil {
+		return out, fmt.Errorf("unmarshal payload: %w", err)
+	}
+	return out, nil
+}
+
+func countAlertReferences(alerts []model.WeatherAlert) int {
+	total := 0
+	for _, a := range alerts {
+		total += len(a.References)
+	}
+	return total
+}
+
+func nullableString(s string) any {
+	if strings.TrimSpace(s) == "" {
+		return nil
+	}
+	return s
+}
+
+func nullableFloat64(v *float64) any {
+	if v == nil {
+		return nil
+	}
+	return *v
+}
+
+func nullableBool(v *bool) any {
+	if v == nil {
+		return nil
+	}
+	return *v
+}
+
+func nullableTime(v *time.Time) any {
+	if v == nil || v.IsZero() {
+		return nil
+	}
+	return v.UTC()
+}
+
+func compactJSONText(v any) (any, error) {
+	if v == nil {
+		return nil, nil
+	}
+	b, err := json.Marshal(v)
+	if err != nil {
+		return nil, err
+	}
+	if string(b) == "null" {
+		return nil, nil
+	}
+	return string(b), nil
+}

internal/sinks/postgres/map_test.go

@@ -0,0 +1,247 @@
+package postgres
+
+import (
+	"context"
+	"encoding/json"
+	"strings"
+	"testing"
+	"time"
+
+	fkevent "gitea.maximumdirect.net/ejr/feedkit/event"
+	fksinks "gitea.maximumdirect.net/ejr/feedkit/sinks"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/model"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
+)
+
+func TestMapPostgresEventObservationStructPayload(t *testing.T) {
+	isDay := true
+	temp := 21.5
+	obs := model.WeatherObservation{
+		StationID:       "KSTL",
+		StationName:     "St. Louis",
+		Timestamp:       time.Date(2026, 3, 16, 19, 0, 0, 0, time.UTC),
+		ConditionCode:   model.WMOCode(1),
+		IsDay:           &isDay,
+		TextDescription: "few clouds",
+		TemperatureC:    &temp,
+		PresentWeather:  []model.PresentWeather{{Raw: map[string]any{"a": 1, "b": "x"}}},
+	}
+
+	writes, err := mapPostgresEvent(context.Background(), testEvent(standards.SchemaWeatherObservationV1, "observation", obs))
+	if err != nil {
+		t.Fatalf("mapPostgresEvent() error = %v", err)
+	}
+	if len(writes) != 2 {
+		t.Fatalf("mapPostgresEvent() writes len = %d, want 2", len(writes))
+	}
+	if writes[0].Table != tableObservations {
+		t.Fatalf("writes[0].Table = %q, want %q", writes[0].Table, tableObservations)
+	}
+	if got := writes[0].Values["station_id"]; got != "KSTL" {
+		t.Fatalf("observations station_id = %#v, want KSTL", got)
+	}
+	if writes[1].Table != tableObservationPresentWeather {
+		t.Fatalf("writes[1].Table = %q, want %q", writes[1].Table, tableObservationPresentWeather)
+	}
+	if got := writes[1].Values["raw_text"]; got != `{"a":1,"b":"x"}` {
+		t.Fatalf("present_weather raw_text = %#v, want compact JSON", got)
+	}
+
+	assertAllWritesIncludeAllColumns(t, writes)
+}
+
+func TestMapPostgresEventForecastStructPayload(t *testing.T) {
+	isDay := true
+	temp := 10.5
+	run := model.WeatherForecastRun{
+		LocationID:   "LOC-1",
+		LocationName: "St. Louis",
+		IssuedAt:     time.Date(2026, 3, 16, 18, 0, 0, 0, time.UTC),
+		Product:      model.ForecastProductHourly,
+		Periods: []model.WeatherForecastPeriod{
+			{
+				StartTime:     time.Date(2026, 3, 16, 19, 0, 0, 0, time.UTC),
+				EndTime:       time.Date(2026, 3, 16, 20, 0, 0, 0, time.UTC),
+				IsDay:         &isDay,
+				ConditionCode: model.WMOCode(2),
+				TemperatureC:  &temp,
+			},
+			{
+				StartTime:     time.Date(2026, 3, 16, 20, 0, 0, 0, time.UTC),
+				EndTime:       time.Date(2026, 3, 16, 21, 0, 0, 0, time.UTC),
+				ConditionCode: model.WMOCode(3),
+			},
+		},
+	}
+
+	writes, err := mapPostgresEvent(context.Background(), testEvent(standards.SchemaWeatherForecastV1, "forecast", run))
+	if err != nil {
+		t.Fatalf("mapPostgresEvent() error = %v", err)
+	}
+	if len(writes) != 3 {
+		t.Fatalf("mapPostgresEvent() writes len = %d, want 3", len(writes))
+	}
+
+	if writes[0].Table != tableForecasts {
+		t.Fatalf("writes[0].Table = %q, want %q", writes[0].Table, tableForecasts)
+	}
+	if got := writes[0].Values["period_count"]; got != 2 {
+		t.Fatalf("forecasts period_count = %#v, want 2", got)
+	}
+	if writes[1].Table != tableForecastPeriods || writes[2].Table != tableForecastPeriods {
+		t.Fatalf("forecast period writes not in expected order")
+	}
+	if got := writes[1].Values["period_index"]; got != 0 {
+		t.Fatalf("first period index = %#v, want 0", got)
+	}
+
+	assertAllWritesIncludeAllColumns(t, writes)
+}
+
+func TestMapPostgresEventAlertStructPayload(t *testing.T) {
+	sent := time.Date(2026, 3, 16, 17, 0, 0, 0, time.UTC)
+	run := model.WeatherAlertRun{
+		AsOf: time.Date(2026, 3, 16, 18, 0, 0, 0, time.UTC),
+		Alerts: []model.WeatherAlert{
+			{
+				ID:       "urn:alert:1",
+				Headline: "Winter Weather Advisory",
+				Severity: "Moderate",
+				References: []model.AlertReference{
+					{ID: "urn:ref:1", Sent: &sent},
+					{Identifier: "ref-two"},
+				},
+			},
+			{
+				ID:       "urn:alert:2",
+				Headline: "Second alert",
+			},
+		},
+	}
+
+	writes, err := mapPostgresEvent(context.Background(), testEvent(standards.SchemaWeatherAlertV1, "alert", run))
+	if err != nil {
+		t.Fatalf("mapPostgresEvent() error = %v", err)
+	}
+	if len(writes) != 5 {
+		t.Fatalf("mapPostgresEvent() writes len = %d, want 5", len(writes))
+	}
+
+	counts := map[string]int{}
+	for _, w := range writes {
+		counts[w.Table]++
+	}
+	if counts[tableAlertRuns] != 1 || counts[tableAlerts] != 2 || counts[tableAlertReferences] != 2 {
+		t.Fatalf("unexpected table write counts: %#v", counts)
+	}
+
+	firstAlert, ok := firstWriteForTable(writes, tableAlerts)
+	if !ok {
+		t.Fatalf("missing alerts write")
+	}
+	if got := firstAlert.Values["reference_count"]; got != 2 {
+		t.Fatalf("alerts reference_count = %#v, want 2", got)
+	}
+
+	assertAllWritesIncludeAllColumns(t, writes)
+}
+
+func TestMapPostgresEventMapPayload(t *testing.T) {
+	run := model.WeatherForecastRun{
+		IssuedAt: time.Date(2026, 3, 16, 18, 0, 0, 0, time.UTC),
+		Product:  model.ForecastProductHourly,
+		Periods: []model.WeatherForecastPeriod{
+			{
+				StartTime:     time.Date(2026, 3, 16, 19, 0, 0, 0, time.UTC),
+				EndTime:       time.Date(2026, 3, 16, 20, 0, 0, 0, time.UTC),
+				ConditionCode: model.WMOCode(2),
+			},
+		},
+	}
+	b, err := json.Marshal(run)
+	if err != nil {
+		t.Fatalf("json.Marshal() error = %v", err)
+	}
+	var payload map[string]any
+	if err := json.Unmarshal(b, &payload); err != nil {
+		t.Fatalf("json.Unmarshal() error = %v", err)
+	}
+
+	writes, err := mapPostgresEvent(context.Background(), testEvent(standards.SchemaWeatherForecastV1, "forecast", payload))
+	if err != nil {
+		t.Fatalf("mapPostgresEvent() error = %v", err)
+	}
+	if len(writes) != 2 {
+		t.Fatalf("mapPostgresEvent() writes len = %d, want 2", len(writes))
+	}
+	if writes[0].Table != tableForecasts {
+		t.Fatalf("writes[0].Table = %q, want %q", writes[0].Table, tableForecasts)
+	}
+
+	assertAllWritesIncludeAllColumns(t, writes)
+}
+
+func TestMapPostgresEventUnknownSchemaNoOp(t *testing.T) {
+	writes, err := mapPostgresEvent(context.Background(), testEvent("weather.unknown.v1", "observation", map[string]any{"x": 1}))
+	if err != nil {
+		t.Fatalf("mapPostgresEvent() error = %v", err)
+	}
+	if len(writes) != 0 {
+		t.Fatalf("mapPostgresEvent() writes len = %d, want 0", len(writes))
+	}
+}
+
+func TestMapPostgresEventMalformedPayload(t *testing.T) {
+	_, err := mapPostgresEvent(context.Background(), testEvent(standards.SchemaWeatherForecastV1, "forecast", "bad"))
+	if err == nil {
+		t.Fatalf("mapPostgresEvent() expected error for malformed payload")
+	}
+	if !strings.Contains(err.Error(), "decode forecast payload") {
+		t.Fatalf("error = %q, want decode forecast payload context", err)
+	}
+}
+
+func testEvent(schema string, kind fkevent.Kind, payload any) fkevent.Event {
+	effectiveAt := time.Date(2026, 3, 16, 18, 30, 0, 0, time.UTC)
+	return fkevent.Event{
+		ID:          "evt-1",
+		Kind:        kind,
+		Source:      "test-source",
+		Schema:      schema,
+		EmittedAt:   time.Date(2026, 3, 16, 18, 31, 0, 0, time.UTC),
+		EffectiveAt: &effectiveAt,
+		Payload:     payload,
+	}
+}
+
+func firstWriteForTable(writes []fksinks.PostgresWrite, table string) (fksinks.PostgresWrite, bool) {
+	for _, w := range writes {
+		if w.Table == table {
+			return w, true
+		}
+	}
+	return fksinks.PostgresWrite{}, false
+}
+
+func assertAllWritesIncludeAllColumns(t *testing.T, writes []fksinks.PostgresWrite) {
+	t.Helper()
+	colCounts := tableColumnCounts()
+	for i, w := range writes {
+		expectedCount, ok := colCounts[w.Table]
+		if !ok {
+			t.Fatalf("writes[%d] references unknown table %q", i, w.Table)
+		}
+		if len(w.Values) != expectedCount {
+			t.Fatalf("writes[%d] table=%q has %d values, want %d", i, w.Table, len(w.Values), expectedCount)
+		}
+	}
+}
+
+func tableColumnCounts() map[string]int {
+	s := weatherPostgresSchema()
+	m := make(map[string]int, len(s.Tables))
+	for _, tbl := range s.Tables {
+		m[tbl.Name] = len(tbl.Columns)
+	}
+	return m
+}

internal/sinks/postgres/schema.go

@@ -0,0 +1,238 @@
+package postgres
+
+import (
+	"fmt"
+	"strings"
+
+	"gitea.maximumdirect.net/ejr/feedkit/config"
+	fksinks "gitea.maximumdirect.net/ejr/feedkit/sinks"
+)
+
+const (
+	tableObservations              = "observations"
+	tableObservationPresentWeather = "observation_present_weather"
+	tableForecasts                 = "forecasts"
+	tableForecastPeriods           = "forecast_periods"
+	tableAlertRuns                 = "alert_runs"
+	tableAlerts                    = "alerts"
+	tableAlertReferences           = "alert_references"
+)
+
+// RegisterPostgresSchemas registers weatherfeeder's Postgres schema for each
+// configured sink using driver=postgres.
+func RegisterPostgresSchemas(cfg *config.Config) error {
+	if cfg == nil {
+		return fmt.Errorf("register postgres schemas: config is nil")
+	}
+
+	schema := weatherPostgresSchema()
+	for i, sk := range cfg.Sinks {
+		if !isPostgresDriver(sk.Driver) {
+			continue
+		}
+		if err := fksinks.RegisterPostgresSchema(sk.Name, schema); err != nil {
+			return fmt.Errorf("register postgres schema for sinks[%d] name=%q: %w", i, sk.Name, err)
+		}
+	}
+
+	return nil
+}
+
+func isPostgresDriver(driver string) bool {
+	return strings.EqualFold(strings.TrimSpace(driver), "postgres")
+}
+
+func weatherPostgresSchema() fksinks.PostgresSchema {
+	return fksinks.PostgresSchema{
+		Tables: []fksinks.PostgresTable{
+			{
+				Name: tableObservations,
+				Columns: []fksinks.PostgresColumn{
+					{Name: "event_id", Type: "TEXT", Nullable: false},
+					{Name: "event_kind", Type: "TEXT", Nullable: false},
+					{Name: "event_source", Type: "TEXT", Nullable: false},
+					{Name: "event_schema", Type: "TEXT", Nullable: false},
+					{Name: "event_emitted_at", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "event_effective_at", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "station_id", Type: "TEXT", Nullable: true},
+					{Name: "station_name", Type: "TEXT", Nullable: true},
+					{Name: "observed_at", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "condition_code", Type: "INTEGER", Nullable: false},
+					{Name: "is_day", Type: "BOOLEAN", Nullable: true},
+					{Name: "text_description", Type: "TEXT", Nullable: true},
+					{Name: "temperature_c", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "dewpoint_c", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "wind_direction_degrees", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "wind_speed_kmh", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "wind_gust_kmh", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "barometric_pressure_pa", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "visibility_meters", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "relative_humidity_percent", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "apparent_temperature_c", Type: "DOUBLE PRECISION", Nullable: true},
+				},
+				PrimaryKey:  []string{"event_id"},
+				PruneColumn: "observed_at",
+				Indexes: []fksinks.PostgresIndex{
+					{Name: "idx_wf_obs_station_observed_at", Columns: []string{"station_id", "observed_at"}},
+					{Name: "idx_wf_obs_observed_at", Columns: []string{"observed_at"}},
+					{Name: "idx_wf_obs_condition_code", Columns: []string{"condition_code"}},
+				},
+			},
+			{
+				Name: tableObservationPresentWeather,
+				Columns: []fksinks.PostgresColumn{
+					{Name: "event_id", Type: "TEXT REFERENCES observations(event_id) ON DELETE CASCADE", Nullable: false},
+					{Name: "weather_index", Type: "INTEGER", Nullable: false},
+					{Name: "observed_at", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "raw_text", Type: "TEXT", Nullable: true},
+				},
+				PrimaryKey:  []string{"event_id", "weather_index"},
+				PruneColumn: "observed_at",
+				Indexes: []fksinks.PostgresIndex{
+					{Name: "idx_wf_obs_present_observed_at", Columns: []string{"observed_at"}},
+				},
+			},
+			{
+				Name: tableForecasts,
+				Columns: []fksinks.PostgresColumn{
+					{Name: "event_id", Type: "TEXT", Nullable: false},
+					{Name: "event_kind", Type: "TEXT", Nullable: false},
+					{Name: "event_source", Type: "TEXT", Nullable: false},
+					{Name: "event_schema", Type: "TEXT", Nullable: false},
+					{Name: "event_emitted_at", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "event_effective_at", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "location_id", Type: "TEXT", Nullable: true},
+					{Name: "location_name", Type: "TEXT", Nullable: true},
+					{Name: "issued_at", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "updated_at", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "product", Type: "TEXT", Nullable: false},
+					{Name: "latitude", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "longitude", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "elevation_meters", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "period_count", Type: "INTEGER", Nullable: false},
+				},
+				PrimaryKey:  []string{"event_id"},
+				PruneColumn: "issued_at",
+				Indexes: []fksinks.PostgresIndex{
+					{Name: "idx_wf_fc_location_product_issued_at", Columns: []string{"location_id", "product", "issued_at"}},
+					{Name: "idx_wf_fc_issued_at", Columns: []string{"issued_at"}},
+					{Name: "idx_wf_fc_product_issued_at", Columns: []string{"product", "issued_at"}},
+				},
+			},
+			{
+				Name: tableForecastPeriods,
+				Columns: []fksinks.PostgresColumn{
+					{Name: "run_event_id", Type: "TEXT REFERENCES forecasts(event_id) ON DELETE CASCADE", Nullable: false},
+					{Name: "period_index", Type: "INTEGER", Nullable: false},
+					{Name: "issued_at", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "start_time", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "end_time", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "name", Type: "TEXT", Nullable: true},
+					{Name: "is_day", Type: "BOOLEAN", Nullable: true},
+					{Name: "condition_code", Type: "INTEGER", Nullable: false},
+					{Name: "text_description", Type: "TEXT", Nullable: true},
+					{Name: "temperature_c", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "temperature_c_min", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "temperature_c_max", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "dewpoint_c", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "relative_humidity_percent", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "wind_direction_degrees", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "wind_speed_kmh", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "wind_gust_kmh", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "barometric_pressure_pa", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "visibility_meters", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "apparent_temperature_c", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "cloud_cover_percent", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "probability_of_precipitation_percent", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "precipitation_amount_mm", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "snowfall_depth_mm", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "uv_index", Type: "DOUBLE PRECISION", Nullable: true},
+				},
+				PrimaryKey:  []string{"run_event_id", "period_index"},
+				PruneColumn: "issued_at",
+				Indexes: []fksinks.PostgresIndex{
+					{Name: "idx_wf_fc_period_start_time", Columns: []string{"start_time"}},
+					{Name: "idx_wf_fc_period_end_time", Columns: []string{"end_time"}},
+					{Name: "idx_wf_fc_period_run_start", Columns: []string{"run_event_id", "start_time"}},
+				},
+			},
+			{
+				Name: tableAlertRuns,
+				Columns: []fksinks.PostgresColumn{
+					{Name: "event_id", Type: "TEXT", Nullable: false},
+					{Name: "event_kind", Type: "TEXT", Nullable: false},
+					{Name: "event_source", Type: "TEXT", Nullable: false},
+					{Name: "event_schema", Type: "TEXT", Nullable: false},
+					{Name: "event_emitted_at", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "event_effective_at", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "location_id", Type: "TEXT", Nullable: true},
+					{Name: "location_name", Type: "TEXT", Nullable: true},
+					{Name: "as_of", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "latitude", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "longitude", Type: "DOUBLE PRECISION", Nullable: true},
+					{Name: "alert_count", Type: "INTEGER", Nullable: false},
+				},
+				PrimaryKey:  []string{"event_id"},
+				PruneColumn: "as_of",
+				Indexes: []fksinks.PostgresIndex{
+					{Name: "idx_wf_alert_run_location_as_of", Columns: []string{"location_id", "as_of"}},
+					{Name: "idx_wf_alert_run_as_of", Columns: []string{"as_of"}},
+				},
+			},
+			{
+				Name: tableAlerts,
+				Columns: []fksinks.PostgresColumn{
+					{Name: "run_event_id", Type: "TEXT REFERENCES alert_runs(event_id) ON DELETE CASCADE", Nullable: false},
+					{Name: "alert_index", Type: "INTEGER", Nullable: false},
+					{Name: "as_of", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "alert_id", Type: "TEXT", Nullable: false},
+					{Name: "event", Type: "TEXT", Nullable: true},
+					{Name: "headline", Type: "TEXT", Nullable: true},
+					{Name: "severity", Type: "TEXT", Nullable: true},
+					{Name: "urgency", Type: "TEXT", Nullable: true},
+					{Name: "certainty", Type: "TEXT", Nullable: true},
+					{Name: "status", Type: "TEXT", Nullable: true},
+					{Name: "message_type", Type: "TEXT", Nullable: true},
+					{Name: "category", Type: "TEXT", Nullable: true},
+					{Name: "response", Type: "TEXT", Nullable: true},
+					{Name: "description", Type: "TEXT", Nullable: true},
+					{Name: "instruction", Type: "TEXT", Nullable: true},
+					{Name: "sent", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "effective", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "onset", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "expires", Type: "TIMESTAMPTZ", Nullable: true},
+					{Name: "area_description", Type: "TEXT", Nullable: true},
+					{Name: "sender_name", Type: "TEXT", Nullable: true},
+					{Name: "reference_count", Type: "INTEGER", Nullable: false},
+				},
+				PrimaryKey:  []string{"run_event_id", "alert_index"},
+				PruneColumn: "as_of",
+				Indexes: []fksinks.PostgresIndex{
+					{Name: "idx_wf_alerts_alert_id", Columns: []string{"alert_id"}},
+					{Name: "idx_wf_alerts_severity_expires", Columns: []string{"severity", "expires"}},
+					{Name: "idx_wf_alerts_as_of", Columns: []string{"as_of"}},
+				},
+			},
+			{
+				Name: tableAlertReferences,
+				Columns: []fksinks.PostgresColumn{
+					{Name: "run_event_id", Type: "TEXT REFERENCES alert_runs(event_id) ON DELETE CASCADE", Nullable: false},
+					{Name: "alert_index", Type: "INTEGER", Nullable: false},
+					{Name: "reference_index", Type: "INTEGER", Nullable: false},
+					{Name: "as_of", Type: "TIMESTAMPTZ", Nullable: false},
+					{Name: "id", Type: "TEXT", Nullable: true},
+					{Name: "identifier", Type: "TEXT", Nullable: true},
+					{Name: "sender", Type: "TEXT", Nullable: true},
+					{Name: "sent", Type: "TIMESTAMPTZ", Nullable: true},
+				},
+				PrimaryKey:  []string{"run_event_id", "alert_index", "reference_index"},
+				PruneColumn: "as_of",
+				Indexes: []fksinks.PostgresIndex{
+					{Name: "idx_wf_alert_refs_as_of", Columns: []string{"as_of"}},
+					{Name: "idx_wf_alert_refs_sent", Columns: []string{"sent"}},
+				},
+			},
+		},
+		MapEvent: mapPostgresEvent,
+	}
+}

internal/sinks/postgres/schema_test.go

@@ -0,0 +1,95 @@
+package postgres
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+	"time"
+
+	"gitea.maximumdirect.net/ejr/feedkit/config"
+)
+
+func TestRegisterPostgresSchemasNilConfig(t *testing.T) {
+	err := RegisterPostgresSchemas(nil)
+	if err == nil {
+		t.Fatalf("RegisterPostgresSchemas(nil) expected error")
+	}
+	if !strings.Contains(err.Error(), "config is nil") {
+		t.Fatalf("error = %q, want config is nil", err)
+	}
+}
+
+func TestRegisterPostgresSchemasNonPostgresNoOp(t *testing.T) {
+	cfg := &config.Config{
+		Sinks: []config.SinkConfig{
+			{Name: "stdout_only", Driver: "stdout"},
+			{Name: "nats_only", Driver: "nats"},
+		},
+	}
+
+	if err := RegisterPostgresSchemas(cfg); err != nil {
+		t.Fatalf("RegisterPostgresSchemas(non-postgres) error = %v", err)
+	}
+}
+
+func TestRegisterPostgresSchemasDuplicateRegistrationFails(t *testing.T) {
+	sinkName := uniqueSinkName("pg_test")
+	cfg := &config.Config{
+		Sinks: []config.SinkConfig{
+			{Name: sinkName, Driver: "postgres"},
+		},
+	}
+
+	if err := RegisterPostgresSchemas(cfg); err != nil {
+		t.Fatalf("first RegisterPostgresSchemas() error = %v", err)
+	}
+
+	err := RegisterPostgresSchemas(cfg)
+	if err == nil {
+		t.Fatalf("second RegisterPostgresSchemas() expected duplicate error")
+	}
+	if !strings.Contains(err.Error(), "already registered") {
+		t.Fatalf("error = %q, want already registered", err)
+	}
+}
+
+func TestWeatherPostgresSchemaShape(t *testing.T) {
+	s := weatherPostgresSchema()
+	if s.MapEvent == nil {
+		t.Fatalf("weatherPostgresSchema().MapEvent is nil")
+	}
+
+	wantTables := map[string]bool{
+		tableObservations:              true,
+		tableObservationPresentWeather: true,
+		tableForecasts:                 true,
+		tableForecastPeriods:           true,
+		tableAlertRuns:                 true,
+		tableAlerts:                    true,
+		tableAlertReferences:           true,
+	}
+
+	if len(s.Tables) != len(wantTables) {
+		t.Fatalf("weatherPostgresSchema().Tables len = %d, want %d", len(s.Tables), len(wantTables))
+	}
+
+	seenIndexes := map[string]bool{}
+	for _, tbl := range s.Tables {
+		if !wantTables[tbl.Name] {
+			t.Fatalf("unexpected table %q in schema", tbl.Name)
+		}
+		if tbl.PruneColumn == "" {
+			t.Fatalf("table %q missing prune column", tbl.Name)
+		}
+		for _, idx := range tbl.Indexes {
+			if seenIndexes[idx.Name] {
+				t.Fatalf("duplicate index name %q", idx.Name)
+			}
+			seenIndexes[idx.Name] = true
+		}
+	}
+}
+
+func uniqueSinkName(prefix string) string {
+	return fmt.Sprintf("%s_%d", prefix, time.Now().UnixNano())
+}

internal/sources/builtins.go

@@ -19,8 +19,11 @@ func RegisterBuiltins(r *fksource.Registry) {
 	r.RegisterPoll("nws_alerts", func(cfg config.SourceConfig) (fksource.PollSource, error) {
 		return nws.NewAlertsSource(cfg)
 	})
-	r.RegisterPoll("nws_forecast", func(cfg config.SourceConfig) (fksource.PollSource, error) {
+	r.RegisterPoll("nws_forecast_hourly", func(cfg config.SourceConfig) (fksource.PollSource, error) {
-		return nws.NewForecastSource(cfg)
+		return nws.NewHourlyForecastSource(cfg)
+	})
+	r.RegisterPoll("nws_forecast_narrative", func(cfg config.SourceConfig) (fksource.PollSource, error) {
+		return nws.NewNarrativeForecastSource(cfg)
 	})
 
 	// Open-Meteo drivers

internal/sources/builtins_test.go

@@ -0,0 +1,60 @@
+package sources
+
+import (
+	"strings"
+	"testing"
+
+	"gitea.maximumdirect.net/ejr/feedkit/config"
+	fksource "gitea.maximumdirect.net/ejr/feedkit/sources"
+)
+
+func TestRegisterBuiltinsRegistersNWSHourlyForecastDriver(t *testing.T) {
+	reg := fksource.NewRegistry()
+	RegisterBuiltins(reg)
+
+	in, err := reg.BuildInput(sourceConfigForDriver("nws_forecast_hourly"))
+	if err != nil {
+		t.Fatalf("BuildInput(nws_forecast_hourly) error = %v", err)
+	}
+	if _, ok := in.(fksource.PollSource); !ok {
+		t.Fatalf("BuildInput(nws_forecast_hourly) type = %T, want PollSource", in)
+	}
+}
+
+func TestRegisterBuiltinsRegistersNWSNarrativeForecastDriver(t *testing.T) {
+	reg := fksource.NewRegistry()
+	RegisterBuiltins(reg)
+
+	in, err := reg.BuildInput(sourceConfigForDriver("nws_forecast_narrative"))
+	if err != nil {
+		t.Fatalf("BuildInput(nws_forecast_narrative) error = %v", err)
+	}
+	if _, ok := in.(fksource.PollSource); !ok {
+		t.Fatalf("BuildInput(nws_forecast_narrative) type = %T, want PollSource", in)
+	}
+}
+
+func TestRegisterBuiltinsDoesNotRegisterLegacyNWSForecastDriver(t *testing.T) {
+	reg := fksource.NewRegistry()
+	RegisterBuiltins(reg)
+
+	_, err := reg.BuildInput(sourceConfigForDriver("nws_forecast"))
+	if err == nil {
+		t.Fatalf("BuildInput(nws_forecast) expected unknown driver error")
+	}
+	if !strings.Contains(err.Error(), `unknown source driver: "nws_forecast"`) {
+		t.Fatalf("error = %q, want unknown source driver for nws_forecast", err)
+	}
+}
+
+func sourceConfigForDriver(driver string) config.SourceConfig {
+	return config.SourceConfig{
+		Name:   "test-source",
+		Driver: driver,
+		Mode:   config.SourceModePoll,
+		Params: map[string]any{
+			"url":        "https://example.invalid",
+			"user_agent": "test-agent",
+		},
+	}
+}

internal/sources/common/config.go

@@ -1,104 +0,0 @@
-// FILE: ./internal/sources/common/config.go
-package common
-
-import (
-	"fmt"
-	"strings"
-
-	"gitea.maximumdirect.net/ejr/feedkit/config"
-)
-
-// This file centralizes small, boring config-validation patterns shared across
-// weatherfeeder source drivers.
-//
-// Goal: keep driver constructors (New*Source) easy to read and consistent, while
-// keeping driver-specific options in cfg.Params (feedkit remains domain-agnostic).
-
-// HTTPSourceConfig is the standard "HTTP-polling source" config shape used across drivers.
-type HTTPSourceConfig struct {
-	Name      string
-	URL       string
-	UserAgent string
-}
-
-// RequireHTTPSourceConfig enforces weatherfeeder's standard HTTP source config:
-//
-//   - cfg.Name must be present
-//   - cfg.Params must be present
-//   - params.url must be present (accepts "url" or "URL")
-//   - params.user_agent must be present (accepts "user_agent" or "userAgent")
-//
-// We intentionally require a User-Agent for *all* sources, even when upstreams
-// do not strictly require one. This keeps config uniform across providers.
-func RequireHTTPSourceConfig(driver string, cfg config.SourceConfig) (HTTPSourceConfig, error) {
-	if strings.TrimSpace(cfg.Name) == "" {
-		return HTTPSourceConfig{}, fmt.Errorf("%s: name is required", driver)
-	}
-	if cfg.Params == nil {
-		return HTTPSourceConfig{}, fmt.Errorf("%s %q: params are required (need params.url and params.user_agent)", driver, cfg.Name)
-	}
-
-	url, ok := cfg.ParamString("url", "URL")
-	if !ok {
-		return HTTPSourceConfig{}, fmt.Errorf("%s %q: params.url is required", driver, cfg.Name)
-	}
-
-	ua, ok := cfg.ParamString("user_agent", "userAgent")
-	if !ok {
-		return HTTPSourceConfig{}, fmt.Errorf("%s %q: params.user_agent is required", driver, cfg.Name)
-	}
-
-	return HTTPSourceConfig{
-		Name:      cfg.Name,
-		URL:       url,
-		UserAgent: ua,
-	}, nil
-}
-
-// --- The helpers below remain useful for future drivers; they are not required
-// --- by the observation sources after adopting RequireHTTPSourceConfig.
-
-// RequireName ensures cfg.Name is present and non-whitespace.
-func RequireName(driver string, cfg config.SourceConfig) error {
-	if strings.TrimSpace(cfg.Name) == "" {
-		return fmt.Errorf("%s: name is required", driver)
-	}
-	return nil
-}
-
-// RequireParams ensures cfg.Params is non-nil. The "want" string should be a short
-// description of required keys, e.g. "need params.url and params.user_agent".
-func RequireParams(driver string, cfg config.SourceConfig, want string) error {
-	if cfg.Params == nil {
-		return fmt.Errorf("%s %q: params are required (%s)", driver, cfg.Name, want)
-	}
-	return nil
-}
-
-// RequireURL returns the configured URL for a source.
-// Canonical key is "url"; we also accept "URL" as a convenience.
-func RequireURL(driver string, cfg config.SourceConfig) (string, error) {
-	if cfg.Params == nil {
-		return "", fmt.Errorf("%s %q: params are required (need params.url)", driver, cfg.Name)
-	}
-
-	u, ok := cfg.ParamString("url", "URL")
-	if !ok {
-		return "", fmt.Errorf("%s %q: params.url is required", driver, cfg.Name)
-	}
-	return u, nil
-}
-
-// RequireUserAgent returns the configured User-Agent for a source.
-// Canonical key is "user_agent"; we also accept "userAgent" as a convenience.
-func RequireUserAgent(driver string, cfg config.SourceConfig) (string, error) {
-	if cfg.Params == nil {
-		return "", fmt.Errorf("%s %q: params are required (need params.user_agent)", driver, cfg.Name)
-	}
-
-	ua, ok := cfg.ParamString("user_agent", "userAgent")
-	if !ok {
-		return "", fmt.Errorf("%s %q: params.user_agent is required", driver, cfg.Name)
-	}
-	return ua, nil
-}

internal/sources/common/http.go

@@ -1,76 +0,0 @@
-// FILE: ./internal/sources/common/http_source.go
-package common
-
-import (
-	"context"
-	"encoding/json"
-	"fmt"
-	"net/http"
-
-	"gitea.maximumdirect.net/ejr/feedkit/config"
-	"gitea.maximumdirect.net/ejr/feedkit/transport"
-)
-
-// HTTPSource is a tiny, reusable "HTTP polling spine" for weatherfeeder sources.
-//
-// It centralizes the boring parts:
-//   - standard config shape (url + user_agent) via RequireHTTPSourceConfig
-//   - a default http.Client with timeout
-//   - FetchBody / headers / max-body safety limit
-//   - consistent error wrapping (driver + source name)
-//
-// Individual drivers remain responsible for:
-//   - decoding minimal metadata (for Event.ID / EffectiveAt)
-//   - constructing the event envelope (kind/schema/payload)
-type HTTPSource struct {
-	Driver    string
-	Name      string
-	URL       string
-	UserAgent string
-	Accept    string
-	Client    *http.Client
-}
-
-// NewHTTPSource builds an HTTPSource using weatherfeeder's standard HTTP source
-// config (params.url + params.user_agent) and a default HTTP client.
-func NewHTTPSource(driver string, cfg config.SourceConfig, accept string) (*HTTPSource, error) {
-	c, err := RequireHTTPSourceConfig(driver, cfg)
-	if err != nil {
-		return nil, err
-	}
-
-	return &HTTPSource{
-		Driver:    driver,
-		Name:      c.Name,
-		URL:       c.URL,
-		UserAgent: c.UserAgent,
-		Accept:    accept,
-		Client:    transport.NewHTTPClient(transport.DefaultHTTPTimeout),
-	}, nil
-}
-
-// FetchBytes fetches the URL and returns the raw response body bytes.
-func (s *HTTPSource) FetchBytes(ctx context.Context) ([]byte, error) {
-	client := s.Client
-	if client == nil {
-		// Defensive: allow tests or callers to nil out Client; keep behavior sane.
-		client = transport.NewHTTPClient(transport.DefaultHTTPTimeout)
-	}
-
-	b, err := transport.FetchBody(ctx, client, s.URL, s.UserAgent, s.Accept)
-	if err != nil {
-		return nil, fmt.Errorf("%s %q: %w", s.Driver, s.Name, err)
-	}
-	return b, nil
-}
-
-// FetchJSON fetches the URL and returns the raw body as json.RawMessage.
-// json.Unmarshal accepts json.RawMessage directly, so callers can decode minimal
-// metadata without keeping both []byte and RawMessage in their own structs.
-func (s *HTTPSource) FetchJSON(ctx context.Context) (json.RawMessage, error) {
-	b, err := s.FetchBytes(ctx)
-	if err != nil {
-		return nil, err
-	}
-	return json.RawMessage(b), nil
-}

internal/sources/nws/alerts.go

@@ -9,6 +9,7 @@ import (
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	"gitea.maximumdirect.net/ejr/feedkit/event"
+	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 	nwscommon "gitea.maximumdirect.net/ejr/weatherfeeder/internal/providers/nws"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
@@ -22,14 +23,14 @@ import (
 // Output schema:
 //   - standards.SchemaRawNWSAlertsV1
 type AlertsSource struct {
-	http *common.HTTPSource
+	http *fksources.HTTPSource
 }
 
 func NewAlertsSource(cfg config.SourceConfig) (*AlertsSource, error) {
 	const driver = "nws_alerts"
 
 	// NWS alerts responses are GeoJSON-ish; allow fallback to plain JSON as well.
-	hs, err := common.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
+	hs, err := fksources.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
 	if err != nil {
 		return nil, err
 	}
@@ -43,10 +44,13 @@ func (s *AlertsSource) Name() string { return s.http.Name }
 func (s *AlertsSource) Kind() event.Kind { return event.Kind("alert") }
 
 func (s *AlertsSource) Poll(ctx context.Context) ([]event.Event, error) {
-	raw, meta, err := s.fetchRaw(ctx)
+	raw, meta, changed, err := s.fetchRaw(ctx)
 	if err != nil {
 		return nil, err
 	}
+	if !changed {
+		return nil, nil
+	}
 
 	// EffectiveAt policy for alerts:
 	// Prefer the collection-level "updated" timestamp (best dedupe signal).
@@ -97,16 +101,19 @@ type alertsMeta struct {
 	ParsedLatestFeatureTime time.Time `json:"-"`
 }
 
-func (s *AlertsSource) fetchRaw(ctx context.Context) (json.RawMessage, alertsMeta, error) {
+func (s *AlertsSource) fetchRaw(ctx context.Context) (json.RawMessage, alertsMeta, bool, error) {
-	raw, err := s.http.FetchJSON(ctx)
+	raw, changed, err := s.http.FetchJSONIfChanged(ctx)
 	if err != nil {
-		return nil, alertsMeta{}, err
+		return nil, alertsMeta{}, false, err
+	}
+	if !changed {
+		return nil, alertsMeta{}, false, nil
 	}
 
 	var meta alertsMeta
 	if err := json.Unmarshal(raw, &meta); err != nil {
 		// If metadata decode fails, still return raw; Poll will fall back to Source:EmittedAt.
-		return raw, alertsMeta{}, nil
+		return raw, alertsMeta{}, true, nil
 	}
 
 	// Top-level updated (preferred).
@@ -143,5 +150,5 @@ func (s *AlertsSource) fetchRaw(ctx context.Context) (json.RawMessage, alertsMet
 	}
 	meta.ParsedLatestFeatureTime = latest
 
-	return raw, meta, nil
+	return raw, meta, true, nil
 }

internal/sources/nws/forecast_hourly.go

@@ -1,4 +1,4 @@
-// FILE: internal/sources/nws/forecast.go
+// FILE: internal/sources/nws/forecast_hourly.go
 package nws
 
 import (
@@ -9,44 +9,48 @@ import (
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	"gitea.maximumdirect.net/ejr/feedkit/event"
+	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 	nwscommon "gitea.maximumdirect.net/ejr/weatherfeeder/internal/providers/nws"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
 )
 
-// ForecastSource polls an NWS forecast endpoint (narrative or hourly) and emits a RAW forecast Event.
+// HourlyForecastSource polls an NWS hourly forecast endpoint and emits a RAW forecast Event.
 //
 // It intentionally emits the *entire* upstream payload as json.RawMessage and only decodes
 // minimal metadata for Event.EffectiveAt and Event.ID.
 //
 // Output schema (current implementation):
 //   - standards.SchemaRawNWSHourlyForecastV1
-type ForecastSource struct {
+type HourlyForecastSource struct {
-	http *common.HTTPSource
+	http *fksources.HTTPSource
 }
 
-func NewForecastSource(cfg config.SourceConfig) (*ForecastSource, error) {
+func NewHourlyForecastSource(cfg config.SourceConfig) (*HourlyForecastSource, error) {
-	const driver = "nws_forecast"
+	const driver = "nws_forecast_hourly"
 
 	// NWS forecast endpoints are GeoJSON (and sometimes also advertise json-ld/json).
-	hs, err := common.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
+	hs, err := fksources.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
 	if err != nil {
 		return nil, err
 	}
 
-	return &ForecastSource{http: hs}, nil
+	return &HourlyForecastSource{http: hs}, nil
 }
 
-func (s *ForecastSource) Name() string { return s.http.Name }
+func (s *HourlyForecastSource) Name() string { return s.http.Name }
 
 // Kind is used for routing/policy.
-func (s *ForecastSource) Kind() event.Kind { return event.Kind("forecast") }
+func (s *HourlyForecastSource) Kind() event.Kind { return event.Kind("forecast") }
 
-func (s *ForecastSource) Poll(ctx context.Context) ([]event.Event, error) {
+func (s *HourlyForecastSource) Poll(ctx context.Context) ([]event.Event, error) {
-	raw, meta, err := s.fetchRaw(ctx)
+	raw, meta, changed, err := s.fetchRaw(ctx)
 	if err != nil {
 		return nil, err
 	}
+	if !changed {
+		return nil, nil
+	}
 
 	// EffectiveAt is optional; for forecasts it’s most naturally the run “issued” time.
 	// NWS gridpoint forecasts expose generatedAt (preferred) and updateTime/updated.
@@ -80,7 +84,7 @@ func (s *ForecastSource) Poll(ctx context.Context) ([]event.Event, error) {
 
 // ---- RAW fetch + minimal metadata decode ----
 
-type forecastMeta struct {
+type hourlyForecastMeta struct {
 	// Present for GeoJSON Feature responses, but often stable (endpoint URL).
 	ID string `json:"id"`
 
@@ -94,16 +98,19 @@ type forecastMeta struct {
 	ParsedUpdateTime  time.Time `json:"-"`
 }
 
-func (s *ForecastSource) fetchRaw(ctx context.Context) (json.RawMessage, forecastMeta, error) {
+func (s *HourlyForecastSource) fetchRaw(ctx context.Context) (json.RawMessage, hourlyForecastMeta, bool, error) {
-	raw, err := s.http.FetchJSON(ctx)
+	raw, changed, err := s.http.FetchJSONIfChanged(ctx)
 	if err != nil {
-		return nil, forecastMeta{}, err
+		return nil, hourlyForecastMeta{}, false, err
+	}
+	if !changed {
+		return nil, hourlyForecastMeta{}, false, nil
 	}
 
-	var meta forecastMeta
+	var meta hourlyForecastMeta
 	if err := json.Unmarshal(raw, &meta); err != nil {
 		// If metadata decode fails, still return raw; Poll will fall back to Source:EmittedAt.
-		return raw, forecastMeta{}, nil
+		return raw, hourlyForecastMeta{}, true, nil
 	}
 
 	// generatedAt (preferred)
@@ -125,5 +132,5 @@ func (s *ForecastSource) fetchRaw(ctx context.Context) (json.RawMessage, forecas
 		}
 	}
 
-	return raw, meta, nil
+	return raw, meta, true, nil
 }

internal/sources/nws/forecast_narrative.go

@@ -0,0 +1,136 @@
+// FILE: internal/sources/nws/forecast_narrative.go
+package nws
+
+import (
+	"context"
+	"encoding/json"
+	"strings"
+	"time"
+
+	"gitea.maximumdirect.net/ejr/feedkit/config"
+	"gitea.maximumdirect.net/ejr/feedkit/event"
+	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
+	nwscommon "gitea.maximumdirect.net/ejr/weatherfeeder/internal/providers/nws"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
+)
+
+// NarrativeForecastSource polls an NWS narrative forecast endpoint and emits a RAW forecast Event.
+//
+// It intentionally emits the *entire* upstream payload as json.RawMessage and only decodes
+// minimal metadata for Event.EffectiveAt and Event.ID.
+//
+// Output schema:
+//   - standards.SchemaRawNWSNarrativeForecastV1
+type NarrativeForecastSource struct {
+	http *fksources.HTTPSource
+}
+
+func NewNarrativeForecastSource(cfg config.SourceConfig) (*NarrativeForecastSource, error) {
+	const driver = "nws_forecast_narrative"
+
+	// NWS forecast endpoints are GeoJSON (and sometimes also advertise json-ld/json).
+	hs, err := fksources.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
+	if err != nil {
+		return nil, err
+	}
+
+	return &NarrativeForecastSource{http: hs}, nil
+}
+
+func (s *NarrativeForecastSource) Name() string { return s.http.Name }
+
+// Kind is used for routing/policy.
+func (s *NarrativeForecastSource) Kind() event.Kind { return event.Kind("forecast") }
+
+func (s *NarrativeForecastSource) Poll(ctx context.Context) ([]event.Event, error) {
+	raw, meta, changed, err := s.fetchRaw(ctx)
+	if err != nil {
+		return nil, err
+	}
+	if !changed {
+		return nil, nil
+	}
+
+	// EffectiveAt is optional; for forecasts it’s most naturally the run “issued” time.
+	// NWS gridpoint forecasts expose generatedAt (preferred) and updateTime/updated.
+	var effectiveAt *time.Time
+	switch {
+	case !meta.ParsedGeneratedAt.IsZero():
+		t := meta.ParsedGeneratedAt.UTC()
+		effectiveAt = &t
+	case !meta.ParsedUpdateTime.IsZero():
+		t := meta.ParsedUpdateTime.UTC()
+		effectiveAt = &t
+	}
+
+	emittedAt := time.Now().UTC()
+
+	// NWS gridpoint forecast GeoJSON commonly has a stable "id" equal to the endpoint URL.
+	// That is *not* unique per issued run, so we intentionally do not use it for Event.ID.
+	// Instead we rely on Source:EffectiveAt (or Source:EmittedAt fallback).
+	eventID := common.ChooseEventID("", s.http.Name, effectiveAt, emittedAt)
+
+	return common.SingleRawEvent(
+		s.Kind(),
+		s.http.Name,
+		standards.SchemaRawNWSNarrativeForecastV1,
+		eventID,
+		emittedAt,
+		effectiveAt,
+		raw,
+	)
+}
+
+// ---- RAW fetch + minimal metadata decode ----
+
+type narrativeForecastMeta struct {
+	// Present for GeoJSON Feature responses, but often stable (endpoint URL).
+	ID string `json:"id"`
+
+	Properties struct {
+		GeneratedAt string `json:"generatedAt"` // preferred “issued/run generated” time
+		UpdateTime  string `json:"updateTime"`  // last update time of underlying data
+		Updated     string `json:"updated"`     // deprecated alias for updateTime
+	} `json:"properties"`
+
+	ParsedGeneratedAt time.Time `json:"-"`
+	ParsedUpdateTime  time.Time `json:"-"`
+}
+
+func (s *NarrativeForecastSource) fetchRaw(ctx context.Context) (json.RawMessage, narrativeForecastMeta, bool, error) {
+	raw, changed, err := s.http.FetchJSONIfChanged(ctx)
+	if err != nil {
+		return nil, narrativeForecastMeta{}, false, err
+	}
+	if !changed {
+		return nil, narrativeForecastMeta{}, false, nil
+	}
+
+	var meta narrativeForecastMeta
+	if err := json.Unmarshal(raw, &meta); err != nil {
+		// If metadata decode fails, still return raw; Poll will fall back to Source:EmittedAt.
+		return raw, narrativeForecastMeta{}, true, nil
+	}
+
+	// generatedAt (preferred)
+	genStr := strings.TrimSpace(meta.Properties.GeneratedAt)
+	if genStr != "" {
+		if t, err := nwscommon.ParseTime(genStr); err == nil {
+			meta.ParsedGeneratedAt = t.UTC()
+		}
+	}
+
+	// updateTime, with fallback to deprecated "updated"
+	updStr := strings.TrimSpace(meta.Properties.UpdateTime)
+	if updStr == "" {
+		updStr = strings.TrimSpace(meta.Properties.Updated)
+	}
+	if updStr != "" {
+		if t, err := nwscommon.ParseTime(updStr); err == nil {
+			meta.ParsedUpdateTime = t.UTC()
+		}
+	}
+
+	return raw, meta, true, nil
+}

internal/sources/nws/observation.go

@@ -9,6 +9,7 @@ import (
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	"gitea.maximumdirect.net/ejr/feedkit/event"
+	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 	nwscommon "gitea.maximumdirect.net/ejr/weatherfeeder/internal/providers/nws"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
@@ -16,13 +17,13 @@ import (
 
 // ObservationSource polls an NWS station observation endpoint and emits a RAW observation Event.
 type ObservationSource struct {
-	http *common.HTTPSource
+	http *fksources.HTTPSource
 }
 
 func NewObservationSource(cfg config.SourceConfig) (*ObservationSource, error) {
 	const driver = "nws_observation"
 
-	hs, err := common.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
+	hs, err := fksources.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
 	if err != nil {
 		return nil, err
 	}
@@ -35,10 +36,13 @@ func (s *ObservationSource) Name() string { return s.http.Name }
 func (s *ObservationSource) Kind() event.Kind { return event.Kind("observation") }
 
 func (s *ObservationSource) Poll(ctx context.Context) ([]event.Event, error) {
-	raw, meta, err := s.fetchRaw(ctx)
+	raw, meta, changed, err := s.fetchRaw(ctx)
 	if err != nil {
 		return nil, err
 	}
+	if !changed {
+		return nil, nil
+	}
 
 	// EffectiveAt is optional; for observations it’s naturally the observation timestamp.
 	var effectiveAt *time.Time
@@ -72,16 +76,19 @@ type observationMeta struct {
 	ParsedTimestamp time.Time `json:"-"`
 }
 
-func (s *ObservationSource) fetchRaw(ctx context.Context) (json.RawMessage, observationMeta, error) {
+func (s *ObservationSource) fetchRaw(ctx context.Context) (json.RawMessage, observationMeta, bool, error) {
-	raw, err := s.http.FetchJSON(ctx)
+	raw, changed, err := s.http.FetchJSONIfChanged(ctx)
 	if err != nil {
-		return nil, observationMeta{}, err
+		return nil, observationMeta{}, false, err
+	}
+	if !changed {
+		return nil, observationMeta{}, false, nil
 	}
 
 	var meta observationMeta
 	if err := json.Unmarshal(raw, &meta); err != nil {
 		// If metadata decode fails, still return raw; envelope will fall back to Source:EffectiveAt.
-		return raw, observationMeta{}, nil
+		return raw, observationMeta{}, true, nil
 	}
 
 	tsStr := strings.TrimSpace(meta.Properties.Timestamp)
@@ -91,5 +98,5 @@ func (s *ObservationSource) fetchRaw(ctx context.Context) (json.RawMessage, obse
 		}
 	}
 
-	return raw, meta, nil
+	return raw, meta, true, nil
 }

internal/sources/nws/observation_test.go

@@ -0,0 +1,63 @@
+package nws
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"gitea.maximumdirect.net/ejr/feedkit/config"
+	"gitea.maximumdirect.net/ejr/feedkit/event"
+)
+
+func TestObservationSourcePollReturnsNoEventsOn304(t *testing.T) {
+	var call int
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		call++
+		switch call {
+		case 1:
+			w.Header().Set("ETag", `"obs-v1"`)
+			_, _ = w.Write([]byte(`{"id":"obs-1","properties":{"timestamp":"2026-03-28T12:00:00Z"}}`))
+		case 2:
+			if got := r.Header.Get("If-None-Match"); got != `"obs-v1"` {
+				t.Fatalf("second request If-None-Match = %q", got)
+			}
+			w.WriteHeader(http.StatusNotModified)
+		default:
+			t.Fatalf("unexpected call count %d", call)
+		}
+	}))
+	defer srv.Close()
+
+	src, err := NewObservationSource(config.SourceConfig{
+		Name:   "NWSObservationTest",
+		Driver: "nws_observation",
+		Mode:   config.SourceModePoll,
+		Params: map[string]any{
+			"url":        srv.URL,
+			"user_agent": "test-agent",
+		},
+	})
+	if err != nil {
+		t.Fatalf("NewObservationSource() error = %v", err)
+	}
+
+	first, err := src.Poll(context.Background())
+	if err != nil {
+		t.Fatalf("first Poll() error = %v", err)
+	}
+	if len(first) != 1 {
+		t.Fatalf("first Poll() len = %d, want 1", len(first))
+	}
+	if first[0].Kind != event.Kind("observation") {
+		t.Fatalf("first Poll() kind = %q", first[0].Kind)
+	}
+
+	second, err := src.Poll(context.Background())
+	if err != nil {
+		t.Fatalf("second Poll() error = %v", err)
+	}
+	if len(second) != 0 {
+		t.Fatalf("second Poll() len = %d, want 0", len(second))
+	}
+}

internal/sources/openmeteo/forecast.go

@@ -8,6 +8,7 @@ import (
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	"gitea.maximumdirect.net/ejr/feedkit/event"
+	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/providers/openmeteo"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
@@ -15,13 +16,13 @@ import (
 
 // ForecastSource polls an Open-Meteo hourly forecast endpoint and emits one RAW Forecast Event.
 type ForecastSource struct {
-	http *common.HTTPSource
+	http *fksources.HTTPSource
 }
 
 func NewForecastSource(cfg config.SourceConfig) (*ForecastSource, error) {
 	const driver = "openmeteo_forecast"
 
-	hs, err := common.NewHTTPSource(driver, cfg, "application/json")
+	hs, err := fksources.NewHTTPSource(driver, cfg, "application/json")
 	if err != nil {
 		return nil, err
 	}
@@ -34,10 +35,13 @@ func (s *ForecastSource) Name() string { return s.http.Name }
 func (s *ForecastSource) Kind() event.Kind { return event.Kind("forecast") }
 
 func (s *ForecastSource) Poll(ctx context.Context) ([]event.Event, error) {
-	raw, meta, err := s.fetchRaw(ctx)
+	raw, meta, changed, err := s.fetchRaw(ctx)
 	if err != nil {
 		return nil, err
 	}
+	if !changed {
+		return nil, nil
+	}
 
 	// Open-Meteo does not expose a true "issued at" timestamp for forecast runs.
 	// We use current.time when present; otherwise we fall back to the first hourly time
@@ -79,16 +83,19 @@ type forecastMeta struct {
 	ParsedTimestamp time.Time `json:"-"`
 }
 
-func (s *ForecastSource) fetchRaw(ctx context.Context) (json.RawMessage, forecastMeta, error) {
+func (s *ForecastSource) fetchRaw(ctx context.Context) (json.RawMessage, forecastMeta, bool, error) {
-	raw, err := s.http.FetchJSON(ctx)
+	raw, changed, err := s.http.FetchJSONIfChanged(ctx)
 	if err != nil {
-		return nil, forecastMeta{}, err
+		return nil, forecastMeta{}, false, err
+	}
+	if !changed {
+		return nil, forecastMeta{}, false, nil
 	}
 
 	var meta forecastMeta
 	if err := json.Unmarshal(raw, &meta); err != nil {
 		// If metadata decode fails, still return raw; Poll will fall back to Source:EmittedAt.
-		return raw, forecastMeta{}, nil
+		return raw, forecastMeta{}, true, nil
 	}
 
 	ts := strings.TrimSpace(meta.Current.Time)
@@ -106,5 +113,5 @@ func (s *ForecastSource) fetchRaw(ctx context.Context) (json.RawMessage, forecas
 		}
 	}
 
-	return raw, meta, nil
+	return raw, meta, true, nil
 }

internal/sources/openmeteo/observation.go

@@ -8,6 +8,7 @@ import (
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	"gitea.maximumdirect.net/ejr/feedkit/event"
+	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/providers/openmeteo"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
@@ -15,13 +16,13 @@ import (
 
 // ObservationSource polls an Open-Meteo endpoint and emits one RAW Observation Event.
 type ObservationSource struct {
-	http *common.HTTPSource
+	http *fksources.HTTPSource
 }
 
 func NewObservationSource(cfg config.SourceConfig) (*ObservationSource, error) {
 	const driver = "openmeteo_observation"
 
-	hs, err := common.NewHTTPSource(driver, cfg, "application/json")
+	hs, err := fksources.NewHTTPSource(driver, cfg, "application/json")
 	if err != nil {
 		return nil, err
 	}
@@ -34,10 +35,13 @@ func (s *ObservationSource) Name() string { return s.http.Name }
 func (s *ObservationSource) Kind() event.Kind { return event.Kind("observation") }
 
 func (s *ObservationSource) Poll(ctx context.Context) ([]event.Event, error) {
-	raw, meta, err := s.fetchRaw(ctx)
+	raw, meta, changed, err := s.fetchRaw(ctx)
 	if err != nil {
 		return nil, err
 	}
+	if !changed {
+		return nil, nil
+	}
 
 	var effectiveAt *time.Time
 	if !meta.ParsedTimestamp.IsZero() {
@@ -72,21 +76,24 @@ type openMeteoMeta struct {
 	ParsedTimestamp time.Time `json:"-"`
 }
 
-func (s *ObservationSource) fetchRaw(ctx context.Context) (json.RawMessage, openMeteoMeta, error) {
+func (s *ObservationSource) fetchRaw(ctx context.Context) (json.RawMessage, openMeteoMeta, bool, error) {
-	raw, err := s.http.FetchJSON(ctx)
+	raw, changed, err := s.http.FetchJSONIfChanged(ctx)
 	if err != nil {
-		return nil, openMeteoMeta{}, err
+		return nil, openMeteoMeta{}, false, err
+	}
+	if !changed {
+		return nil, openMeteoMeta{}, false, nil
 	}
 
 	var meta openMeteoMeta
 	if err := json.Unmarshal(raw, &meta); err != nil {
 		// If metadata decode fails, still return raw; envelope will omit EffectiveAt.
-		return raw, openMeteoMeta{}, nil
+		return raw, openMeteoMeta{}, true, nil
 	}
 
 	if t, err := openmeteo.ParseTime(meta.Current.Time, meta.Timezone, meta.UTCOffsetSeconds); err == nil {
 		meta.ParsedTimestamp = t.UTC()
 	}
 
-	return raw, meta, nil
+	return raw, meta, true, nil
 }

internal/sources/openweather/observation.go

@@ -9,19 +9,20 @@ import (
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	"gitea.maximumdirect.net/ejr/feedkit/event"
+	fksources "gitea.maximumdirect.net/ejr/feedkit/sources"
 	owcommon "gitea.maximumdirect.net/ejr/weatherfeeder/internal/providers/openweather"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
 	"gitea.maximumdirect.net/ejr/weatherfeeder/standards"
 )
 
 type ObservationSource struct {
-	http *common.HTTPSource
+	http *fksources.HTTPSource
 }
 
 func NewObservationSource(cfg config.SourceConfig) (*ObservationSource, error) {
 	const driver = "openweather_observation"
 
-	hs, err := common.NewHTTPSource(driver, cfg, "application/json")
+	hs, err := fksources.NewHTTPSource(driver, cfg, "application/json")
 	if err != nil {
 		return nil, err
 	}
@@ -42,10 +43,13 @@ func (s *ObservationSource) Poll(ctx context.Context) ([]event.Event, error) {
 		return nil, fmt.Errorf("%s %q: %w", s.http.Driver, s.http.Name, err)
 	}
 
-	raw, meta, err := s.fetchRaw(ctx)
+	raw, meta, changed, err := s.fetchRaw(ctx)
 	if err != nil {
 		return nil, err
 	}
+	if !changed {
+		return nil, nil
+	}
 
 	var effectiveAt *time.Time
 	if !meta.ParsedTimestamp.IsZero() {
@@ -75,20 +79,23 @@ type openWeatherMeta struct {
 	ParsedTimestamp time.Time `json:"-"`
 }
 
-func (s *ObservationSource) fetchRaw(ctx context.Context) (json.RawMessage, openWeatherMeta, error) {
+func (s *ObservationSource) fetchRaw(ctx context.Context) (json.RawMessage, openWeatherMeta, bool, error) {
-	raw, err := s.http.FetchJSON(ctx)
+	raw, changed, err := s.http.FetchJSONIfChanged(ctx)
 	if err != nil {
-		return nil, openWeatherMeta{}, err
+		return nil, openWeatherMeta{}, false, err
+	}
+	if !changed {
+		return nil, openWeatherMeta{}, false, nil
 	}
 
 	var meta openWeatherMeta
 	if err := json.Unmarshal(raw, &meta); err != nil {
-		return raw, openWeatherMeta{}, nil
+		return raw, openWeatherMeta{}, true, nil
 	}
 
 	if meta.Dt > 0 {
 		meta.ParsedTimestamp = time.Unix(meta.Dt, 0).UTC()
 	}
 
-	return raw, meta, nil
+	return raw, meta, true, nil
 }

model/alert.go

@@ -1,4 +1,4 @@
-// FILE: internal/model/alert.go
+// FILE: model/alert.go
 package model
 
 import "time"

model/doc.go

@@ -1,4 +1,4 @@
-// FILE: internal/model/doc.go
+// FILE: model/doc.go
 // Package model defines weatherfeeder's canonical domain payload types.
 //
 // These structs are emitted as the Payload of canonical events (schemas "weather.*.vN").

model/forecast.go

@@ -1,4 +1,4 @@
-// FILE: internal/model/forecast.go
+// FILE: model/forecast.go
 package model
 
 import "time"
@@ -75,18 +75,8 @@ type WeatherForecastPeriod struct {
 	// Like WeatherObservation, this is required; use an “unknown” WMOCode if unmappable.
 	ConditionCode WMOCode `json:"conditionCode"`
 
-	// Provider-independent short text describing the conditions (normalized, if possible).
+	// Human-facing narrative summary for this period.
-	ConditionText string `json:"conditionText,omitempty"`
+	TextDescription string `json:"textDescription,omitempty"`
-
-	// Provider-specific “evidence” for troubleshooting mapping and drift.
-	ProviderRawDescription string `json:"providerRawDescription,omitempty"`
-
-	// Human-facing narrative. Not all providers supply rich text (Open-Meteo often won’t).
-	TextDescription string `json:"textDescription,omitempty"` // short phrase / summary
-	DetailedText    string `json:"detailedText,omitempty"`    // longer narrative, if available
-
-	// Provider-specific (legacy / transitional)
-	IconURL string `json:"iconUrl,omitempty"`
 
 	// Core predicted measurements (nullable; units align with WeatherObservation)
 	TemperatureC *float64 `json:"temperatureC,omitempty"`

model/observation.go

@@ -1,4 +1,4 @@
-// FILE: internal/model/observation.go
+// FILE: model/observation.go
 package model
 
 import "time"
@@ -11,18 +11,9 @@ type WeatherObservation struct {
 
 	// Canonical internal representation (provider-independent).
 	ConditionCode   WMOCode `json:"conditionCode"`
-	ConditionText string  `json:"conditionText,omitempty"`
 	IsDay           *bool   `json:"isDay,omitempty"`
-
-	// Provider-specific “evidence” for troubleshooting mapping and drift.
-	ProviderRawDescription string `json:"providerRawDescription,omitempty"`
-
-	// Human-facing (legacy / transitional)
 	TextDescription string  `json:"textDescription,omitempty"`
 
-	// Provider-specific (legacy / transitional)
-	IconURL string `json:"iconUrl,omitempty"`
-
 	// Core measurements (nullable)
 	TemperatureC *float64 `json:"temperatureC,omitempty"`
 	DewpointC    *float64 `json:"dewpointC,omitempty"`
@@ -32,22 +23,12 @@ type WeatherObservation struct {
 	WindGustKmh          *float64 `json:"windGustKmh,omitempty"`
 
 	BarometricPressurePa *float64 `json:"barometricPressurePa,omitempty"`
-	SeaLevelPressurePa   *float64 `json:"seaLevelPressurePa,omitempty"`
 	VisibilityMeters     *float64 `json:"visibilityMeters,omitempty"`
 
 	RelativeHumidityPercent *float64 `json:"relativeHumidityPercent,omitempty"`
 	ApparentTemperatureC    *float64 `json:"apparentTemperatureC,omitempty"`
 
-	ElevationMeters *float64 `json:"elevationMeters,omitempty"`
-	RawMessage      string   `json:"rawMessage,omitempty"`
-
 	PresentWeather []PresentWeather `json:"presentWeather,omitempty"`
-	CloudLayers    []CloudLayer     `json:"cloudLayers,omitempty"`
-}
-
-type CloudLayer struct {
-	BaseMeters *float64 `json:"baseMeters,omitempty"`
-	Amount     string   `json:"amount,omitempty"`
 }
 
 type PresentWeather struct {

standards/schema.go

@@ -16,6 +16,7 @@ const (
 	SchemaRawOpenWeatherCurrentV1 = "raw.openweather.current.v1"
 
 	SchemaRawNWSHourlyForecastV1         = "raw.nws.hourly.forecast.v1"
+	SchemaRawNWSNarrativeForecastV1      = "raw.nws.narrative.forecast.v1"
 	SchemaRawOpenMeteoHourlyForecastV1   = "raw.openmeteo.hourly.forecast.v1"
 	SchemaRawOpenWeatherHourlyForecastV1 = "raw.openweather.hourly.forecast.v1"
 

standards/wmo.go

@@ -21,7 +21,7 @@ type WMODescription struct {
 }
 
 // WMODescriptions is the canonical internal mapping of WMO code -> day/night text.
-// These are used to populate model.WeatherObservation.ConditionText.
+// These are used to populate canonical text fields derived from WMO codes.
 var WMODescriptions = map[model.WMOCode]WMODescription{
 	0:  {Day: "Sunny", Night: "Clear"},
 	1:  {Day: "Mainly Sunny", Night: "Mainly Clear"},
@@ -56,7 +56,8 @@ var WMODescriptions = map[model.WMOCode]WMODescription{
 // WMOText returns the canonical text description for a WMO code.
 // If isDay is nil, it prefers the Day description (if present).
 //
-// This is intended to be used by drivers after they set ConditionCode.
+// This is intended to be used by drivers after they set ConditionCode when they
+// need a human-readable description.
 func WMOText(code model.WMOCode, isDay *bool) string {
 	if code == model.WMOUnknown {
 		return "Unknown"