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Kenneth
28d26b3c87
* feat: replace FeedItem.priority with signals Remove priority field from FeedItem and engine-level sorting. Add FeedItemSignals with urgency and timeRelevance fields. Update all source packages to emit signals instead of priority. Ranking is now the post-processing layer's responsibility. Urgency values are unchanged from the old priority values. Co-authored-by: Ona <no-reply@ona.com> * fix: use TimeRelevance enum in all tests Co-authored-by: Ona <no-reply@ona.com> --------- Co-authored-by: Ona <no-reply@ona.com>
57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
/**
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* Source-provided hints for post-processors.
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*
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* Sources express domain-specific relevance without determining final ranking.
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* Post-processors consume these signals alongside other inputs (user affinity,
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* time of day, interaction history) to produce the final feed order.
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*/
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export const TimeRelevance = {
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/** Needs attention now (e.g., event starting in minutes, severe alert) */
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Imminent: "imminent",
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/** Relevant soon (e.g., event in the next hour, approaching deadline) */
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Upcoming: "upcoming",
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/** Background information (e.g., daily forecast, low-priority status) */
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Ambient: "ambient",
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} as const
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export type TimeRelevance = (typeof TimeRelevance)[keyof typeof TimeRelevance]
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export interface FeedItemSignals {
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/** Source-assessed urgency (0-1). Post-processors use this as one ranking input. */
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urgency?: number
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/** How time-sensitive this item is relative to now. */
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timeRelevance?: TimeRelevance
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}
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/**
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* A single item in the feed.
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*
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* @example
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* ```ts
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* type WeatherItem = FeedItem<"weather", { temp: number; condition: string }>
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*
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* const item: WeatherItem = {
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* id: "weather-123",
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* type: "weather",
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* timestamp: new Date(),
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* data: { temp: 18, condition: "cloudy" },
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* signals: { urgency: 0.5, timeRelevance: "ambient" },
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* }
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* ```
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*/
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export interface FeedItem<
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TType extends string = string,
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TData extends Record<string, unknown> = Record<string, unknown>,
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> {
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/** Unique identifier */
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id: string
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/** Item type, matches the data source type */
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type: TType
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/** When this item was generated */
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timestamp: Date
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/** Type-specific payload */
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data: TData
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/** Source-provided hints for post-processors. Optional — omit if no signals apply. */
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signals?: FeedItemSignals
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}
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