Add outlook v2 model contract

internal/sinks/postgres/map.go

@@ -381,9 +381,9 @@ func mapOutlookEvent(e fkevent.Event) ([]fksinks.PostgresWrite, error) {
 				"issued_at":         outlook.IssuedAt.UTC(),
 				"expires_at":        outlook.ExpiresAt.UTC(),
 				"forecaster":        nullableString(outlook.Forecaster),
-				"headline":          nullableString(outlook.Headline),
-				"summary":           nullableString(outlook.Summary),
-				"discussion":        nullableString(outlook.Discussion),
+				"headline":          nullableString(""),
+				"summary":           nullableString(""),
+				"discussion":        nullableString(""),
 				"source_url":        nullableString(outlook.SourceURL),
 				"image_url":         nullableString(outlook.ImageURL),
 				"contains_location": outlook.ContainsLocation,

internal/sinks/postgres/map_test.go

@@ -266,9 +266,6 @@ func TestMapPostgresEventOutlookStructPayload(t *testing.T) {
 				IssuedAt:         issuedAt,
 				ExpiresAt:        time.Date(2026, 6, 12, 12, 0, 0, 0, time.UTC),
 				Forecaster:       "SMITH",
-				Headline:         "Day 1 Convective Outlook",
-				Summary:          "Severe thunderstorms are possible.",
-				Discussion:       "Full discussion text.",
 				SourceURL:        "https://example.invalid/day1.geojson",
 				ContainsLocation: true,
 				Geometry:         json.RawMessage(`{ "type" : "Polygon", "coordinates" : [ [ [ -91.0, 38.0 ], [ -90.0, 38.0 ], [ -90.0, 39.0 ], [ -91.0, 39.0 ], [ -91.0, 38.0 ] ] ] }`),