feat: combine hourly weather into single feed item (#100)

* feat: combine hourly weather into single feed item

Co-authored-by: Ona <no-reply@ona.com>

* fix: use worst-case timeRelevance, improve tests

- Use most urgent timeRelevance across hours instead of
  hardcoded Ambient
- Use HourlyWeatherData type in test casts
- Add test for averaged urgency with mixed conditions

Co-authored-by: Ona <no-reply@ona.com>

---------

Co-authored-by: Ona <no-reply@ona.com>

packages/aelis-source-weatherkit/src/feed-items.ts

@@ -32,7 +32,7 @@ export interface CurrentWeatherFeedItem extends FeedItem<
 	CurrentWeatherData
 > {}
 
-export type HourlyWeatherData = {
+export type HourlyWeatherEntry = {
 	forecastTime: Date
 	conditionCode: ConditionCode
 	daylight: boolean
@@ -48,6 +48,10 @@ export type HourlyWeatherData = {
 	windSpeed: number
 }
 
+export type HourlyWeatherData = {
+	hours: HourlyWeatherEntry[]
+}
+
 export interface HourlyWeatherFeedItem extends FeedItem<
 	typeof WeatherFeedItemType.Hourly,
 	HourlyWeatherData