Rocky
301 lines
11 KiB
Swift
301 lines
11 KiB
Swift
// ClipboardSkillSemanticRanker.swift
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// OSGKeyboard · Shared
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//
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// Selects skills from the complete catalog for the newest accepted clipboard
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// entry. Analysis is local and ephemeral; installation state, user-managed
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// ordering, labels, and recommendations are never persisted.
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import Combine
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import Foundation
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public enum ClipboardSkillSemanticRanker {
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private static let longTextCharacterThreshold = 360
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private static let languageConfidenceThreshold = 0.75
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private static let maximumReplyRecommendations = 2
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public static func ranked(
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skills: [AIClipboardSkill],
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sourceText: String,
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analysis: ClipboardSemanticAnalysis,
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uiLanguage _: AppUILanguage,
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preferredLanguages: [String] = Locale.preferredLanguages
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) -> [AIClipboardSkill] {
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guard skills.count > 1 else { return skills }
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return sorted(
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skills,
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scores: relevanceScores(
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sourceText: sourceText,
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analysis: analysis,
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preferredLanguages: preferredLanguages
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)
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)
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}
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/// Returns semantically relevant skills and always keeps the generic Reply
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/// action available as a safe fallback for accepted clipboard text.
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public static func recommended(
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skills: [AIClipboardSkill],
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sourceText: String,
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analysis: ClipboardSemanticAnalysis,
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uiLanguage _: AppUILanguage,
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limit: Int,
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preferredLanguages: [String] = Locale.preferredLanguages
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) -> [AIClipboardSkill] {
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guard limit > 0 else { return [] }
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var scores = relevanceScores(
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sourceText: sourceText,
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analysis: analysis,
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preferredLanguages: preferredLanguages
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)
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let genericReply = skills.first { $0.id == AIClipboardSkillCatalog.replyID }
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if genericReply != nil {
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scores[AIClipboardSkillCatalog.replyID, default: 0] = max(
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1,
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scores[AIClipboardSkillCatalog.replyID, default: 0]
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)
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}
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let relevant = skills.filter { scores[$0.id, default: 0] > 0 }
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var selected: [AIClipboardSkill] = []
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var specializedReplyCount = 0
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for skill in sorted(relevant, scores: scores) {
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let mustReserveGenericReply = genericReply != nil
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&& !selected.contains(where: { $0.id == AIClipboardSkillCatalog.replyID })
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&& skill.id != AIClipboardSkillCatalog.replyID
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let availableCount = limit - (mustReserveGenericReply ? 1 : 0)
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guard selected.count < availableCount else { continue }
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if skill.id == AIClipboardSkillCatalog.replyID {
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selected.append(skill)
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continue
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}
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if skill.supportsReplyStyle {
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guard specializedReplyCount < maximumReplyRecommendations else { continue }
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specializedReplyCount += 1
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}
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selected.append(skill)
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}
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if let genericReply,
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selected.count < limit,
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!selected.contains(where: { $0.id == genericReply.id }) {
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selected.append(genericReply)
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}
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return selected
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}
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private static func relevanceScores(
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sourceText: String,
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analysis: ClipboardSemanticAnalysis,
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preferredLanguages: [String]
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) -> [String: Int] {
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var scores: [String: Int] = [:]
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func boost(_ id: String, _ value: Int) {
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scores[id, default: 0] += value
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}
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if let webURL = analysis.singleWebURL {
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boost(AIClipboardSkillCatalog.openLinkID, 320)
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if webURL.scheme?.lowercased() == "https" {
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boost(AIClipboardSkillCatalog.summarizeWebPageID, 310)
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}
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return scores
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}
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if analysis.singlePhoneNumber != nil {
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boost(AIClipboardSkillCatalog.callPhoneID, 320)
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boost(AIClipboardSkillCatalog.createContactID, 310)
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return scores
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}
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if isLanguageMismatch(
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analysis.language,
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preferredLanguages: preferredLanguages
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) {
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boost(AIClipboardSkillCatalog.translateID, 230)
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}
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if analysis.hasAddress {
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boost(AIClipboardSkillCatalog.navigateID, 180)
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}
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if analysis.invitation.isDetected {
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if analysis.hasDateOrTime {
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boost(AIClipboardSkillCatalog.extractEventsID, 260)
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}
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boost(AIClipboardSkillCatalog.acceptInvitationID, 240)
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boost(AIClipboardSkillCatalog.declineInvitationID, 230)
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boost(AIClipboardSkillCatalog.replyID, 60)
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} else if analysis.hasDateOrTime {
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boost(AIClipboardSkillCatalog.extractEventsID, 110)
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}
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if analysis.task.isDetected {
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boost(AIClipboardSkillCatalog.extractTodosID, 155)
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boost(AIClipboardSkillCatalog.acceptTaskID, 140)
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boost(AIClipboardSkillCatalog.clarifyRequestID, 105)
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}
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if analysis.question.isDetected {
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boost(AIClipboardSkillCatalog.replyID, 145)
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boost(AIClipboardSkillCatalog.clarifyRequestID, 110)
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}
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// A threshold-crossing complaint can still be used as advisory evidence
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// if a future model loses automatic-routing approval. Ranking a chip is
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// reversible and remains user-initiated.
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if isAdvisoryComplaint(analysis.complaint) {
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boost(AIClipboardSkillCatalog.empathyReplyID, 105)
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boost(AIClipboardSkillCatalog.clarifyRequestID, 90)
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boost(AIClipboardSkillCatalog.replyID, 55)
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} else if analysis.sentiment == .negative, analysis.question.isDetected {
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boost(AIClipboardSkillCatalog.empathyReplyID, 85)
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boost(AIClipboardSkillCatalog.clarifyRequestID, 65)
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}
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if analysis.hasOrganizationName,
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analysis.task.isDetected || analysis.question.isDetected || analysis.invitation.isDetected {
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boost(AIClipboardSkillCatalog.businessReplyID, 125)
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} else if analysis.hasOrganizationName {
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boost(AIClipboardSkillCatalog.businessReplyID, 70)
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}
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if isListLike(sourceText) {
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boost(AIClipboardSkillCatalog.organizeListID, 145)
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boost(AIClipboardSkillCatalog.extractTodosID, 105)
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boost(AIClipboardSkillCatalog.summarizeID, 45)
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}
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if sourceText.count >= longTextCharacterThreshold {
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boost(AIClipboardSkillCatalog.summarizeID, 145)
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boost(AIClipboardSkillCatalog.saveToNotesID, 85)
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}
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let hasSpecializedReplyIntent = analysis.task.isDetected
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|| analysis.question.isDetected
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|| analysis.invitation.isDetected
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|| isAdvisoryComplaint(analysis.complaint)
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if analysis.replyableMessage.isDetected,
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!hasSpecializedReplyIntent,
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sourceText.count < longTextCharacterThreshold,
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!isListLike(sourceText) {
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boost(AIClipboardSkillCatalog.replyID, 160)
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if analysis.sentiment != .negative,
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!isAdvisoryComplaint(analysis.complaint) {
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boost(AIClipboardSkillCatalog.playfulReplyID, 145)
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}
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}
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if analysis.sentiment == .positive {
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boost(AIClipboardSkillCatalog.replyID, 45)
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}
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return scores
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}
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private static func sorted(
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_ skills: [AIClipboardSkill],
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scores: [String: Int]
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) -> [AIClipboardSkill] {
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let baseline = Dictionary(
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uniqueKeysWithValues: skills.enumerated().map { ($0.element.id, $0.offset) }
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)
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return skills.sorted { lhs, rhs in
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let leftScore = scores[lhs.id, default: 0]
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let rightScore = scores[rhs.id, default: 0]
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if leftScore != rightScore {
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return leftScore > rightScore
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}
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return baseline[lhs.id, default: 0] < baseline[rhs.id, default: 0]
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}
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}
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private static func isLanguageMismatch(
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_ language: ClipboardLanguageLabel?,
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preferredLanguages: [String]
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) -> Bool {
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guard let language, language.confidence >= languageConfidenceThreshold else {
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return false
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}
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return !SystemLanguageResolver.isSameLanguage(
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sourceIdentifier: language.identifier,
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targetIdentifier: SystemLanguageResolver.primaryIdentifier(
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preferredLanguages: preferredLanguages
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)
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)
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}
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private static func isAdvisoryComplaint(_ label: ClipboardIntentLabel) -> Bool {
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label.confidence > 0 && label.confidence >= label.threshold
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}
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private static func isListLike(_ text: String) -> Bool {
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let lines = text
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.split(whereSeparator: \.isNewline)
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.map { String($0).trimmingCharacters(in: .whitespacesAndNewlines) }
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.filter { !$0.isEmpty }
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guard lines.count >= 2 else { return false }
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let markedCount = lines.filter(isMarkedListLine).count
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if markedCount * 2 >= lines.count {
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return true
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}
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let averageLength = lines.reduce(0) { $0 + $1.count } / lines.count
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return lines.count >= 3 && averageLength <= 48
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}
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private static func isMarkedListLine(_ line: String) -> Bool {
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if ["- ", "* ", "• ", "· "].contains(where: { line.hasPrefix($0) }) {
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return true
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}
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let prefix = line.prefix(while: \.isNumber)
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guard !prefix.isEmpty, prefix.count < line.count else { return false }
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let marker = line[line.index(line.startIndex, offsetBy: prefix.count)]
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return marker == "." || marker == "、" || marker == ")" || marker == "）"
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}
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}
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public struct ClipboardSemanticRankingSnapshot: Equatable, Sendable {
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public let entryID: UUID
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public let analysis: ClipboardSemanticAnalysis
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public init(entryID: UUID, analysis: ClipboardSemanticAnalysis) {
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self.entryID = entryID
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self.analysis = analysis
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}
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}
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@MainActor
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public final class ClipboardSemanticRankingStore: ObservableObject {
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public static let shared = ClipboardSemanticRankingStore()
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@Published public private(set) var snapshot: ClipboardSemanticRankingSnapshot?
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private let analyzer: ClipboardSemanticAnalyzer
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private var analysisTask: Task<Void, Never>?
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private var generation = UUID()
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public init(analyzer: ClipboardSemanticAnalyzer = ClipboardSemanticAnalyzer()) {
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self.analyzer = analyzer
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}
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public func analyze(_ entry: ClipboardHistoryEntry) {
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analysisTask?.cancel()
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generation = UUID()
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let expectedGeneration = generation
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snapshot = nil
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analysisTask = Task { [weak self] in
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guard let self else { return }
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let analysis = await self.analyzer.analyze(entry.text)
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guard !Task.isCancelled, self.generation == expectedGeneration else { return }
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self.snapshot = ClipboardSemanticRankingSnapshot(
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entryID: entry.id,
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analysis: analysis
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)
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}
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}
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public func clear() {
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generation = UUID()
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analysisTask?.cancel()
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analysisTask = nil
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snapshot = nil
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}
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}
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