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keankean
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Implement CMM-739: Generate post excerpt
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-97
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9 files changed

+1028
-97
lines changed

‎Modules/Sources/WordPressShared/Utility/LanguageModelHelper.swift‎

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import Foundation
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#if canImport(FoundationModels)
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import FoundationModels
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#endif
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public enum LanguageModelHelper {
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public static var isSupported: Bool {
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guard #available(iOS 26, *) else { return false }
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switch SystemLanguageModel.default.availability {
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case .available:
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return true
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case .unavailable(let reason):
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switch reason {
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case .appleIntelligenceNotEnabled, .modelNotReady:
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return true
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case .deviceNotEligible:
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return false
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@unknown default:
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return false
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}
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}
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}
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public static func makeGenerateExcerptPrompt(
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content: String,
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length: GeneratedContentLength,
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style: GenerationStyle
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) -> String {
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"""
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Generate three distinct excerpt options for the following post. Each excerpt should capture the essence of the content while being engaging enough to encourage readers to click through and read the full post.
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**Parameters:**
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- Excerpt Length: around \(length.promptModifier) (important!!!)
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- Writing Style: \(style.promptDescription)
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**Requirements for each excerpt:**
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1. Stay within the target word count
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2. Hook the reader within the first sentence
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3. Maintain the specified writing style throughout
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4. Include the most compelling point or benefit from the post
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5. Use active voice predominantly
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6. Follow other best practices for post excerpts established within the WordPress community
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**Generate three variations that differ in:**
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- Opening approach (question vs. statement vs. statistic/fact)
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- Emotional appeal (logical vs. emotional vs. aspirational)
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- Information density (high detail vs. broad strokes vs. balanced)
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**Post Content:**
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\(content)
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"""
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}
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}
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public enum GenerationStyle: String, CaseIterable, RawRepresentable {
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case engaging
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case conversational
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case witty
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case formal
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case professional
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public var displayName: String {
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switch self {
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case .engaging:
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NSLocalizedString("generation.style.engaging", value: "Engaging", comment: "AI generation style")
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case .conversational:
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NSLocalizedString("generation.style.conversational", value: "Conversational", comment: "AI generation style")
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case .witty:
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NSLocalizedString("generation.style.witty", value: "Witty", comment: "AI generation style")
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case .formal:
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NSLocalizedString("generation.style.formal", value: "Formal", comment: "AI generation style")
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case .professional:
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NSLocalizedString("generation.style.professional", value: "Professional", comment: "AI generation style")
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}
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}
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public var promptDescription: String {
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switch self {
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case .engaging: "engaging and compelling tone"
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case .witty: "witty, creative, entertaining"
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case .conversational: "friendly and conversational tone"
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case .formal: "formal and academic tone"
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case .professional: "professional and polished tone"
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}
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}
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}
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public enum GeneratedContentLength: Int, CaseIterable, RawRepresentable {
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case short
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case medium
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case long
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public var displayName: String {
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switch self {
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case .short:
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NSLocalizedString("generation.length.short", value: "Short", comment: "Generated content length (needs to be short)")
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case .medium:
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NSLocalizedString("generation.length.medium", value: "Medium", comment: "Generated content length (needs to be short)")
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case .long:
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NSLocalizedString("generation.length.long", value: "Long", comment: "Generated content length (needs to be short)")
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}
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}
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public var promptModifier: String {
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switch self {
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case .short: "50 words"
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case .medium: "100 words"
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case .long: "150 words"
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}
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}
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}

‎Modules/Sources/WordPressUI/Views/LanguageModelUnavailableView.swift‎

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import SwiftUI
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#if canImport(FoundationModels)
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import FoundationModels
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#endif
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@available(iOS 26, *)
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public struct LanguageModelUnavailableView: View {
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public let reason: SystemLanguageModel.Availability.UnavailableReason
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public var body: some View {
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makeUnavailableView(for: reason)
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}
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public init(reason: SystemLanguageModel.Availability.UnavailableReason) {
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self.reason = reason
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}
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@ViewBuilder
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private func makeUnavailableView(for reason: SystemLanguageModel.Availability.UnavailableReason) -> some View {
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switch reason {
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case .appleIntelligenceNotEnabled:
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EmptyStateView {
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Label(Strings.appleIntelligenceDisabledTitle, systemImage: "apple.intelligence")
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} description: {
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Text(Strings.appleIntelligenceDisabledMessage)
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} actions: {
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VStack(spacing: 12) {
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Button(Strings.openAppleIntelligenceSettings) {
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openAppleIntelligenceSettings()
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}
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.buttonStyle(.borderedProminent)
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.tint(AppColor.primary)
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}
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}
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case .modelNotReady:
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EmptyStateView {
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Label(Strings.preparingModel, systemImage: "apple.intelligence")
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} description: {
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Text(Strings.preparingModelDescription)
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} actions: {
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EmptyView()
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}
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default:
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EmptyStateView {
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Label(Strings.appleIntelligenceUnavailableTitle, systemImage: "apple.intelligence")
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} description: {
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Text(Strings.appleIntelligenceUnavailableTitle)
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} actions: {
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EmptyView()
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}
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}
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}
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}
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private func openAppleIntelligenceSettings() {
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if let settingsURL = URL(string: "App-Prefs:root=APPLE_INTELLIGENCE_SIRI_SETTINGS") {
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UIApplication.shared.open(settingsURL) { success in
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if !success {
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// Fallback to general Settings app
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if let generalSettingsURL = URL(string: UIApplication.openSettingsURLString) {
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UIApplication.shared.open(generalSettingsURL)
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}
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}
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}
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}
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}
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@available(iOS 26, *)
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#Preview {
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LanguageModelUnavailableView(reason: .appleIntelligenceNotEnabled)
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}
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private enum Strings {
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static let appleIntelligenceDisabledTitle = NSLocalizedString(
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"onDeviceAI.unavailableView.appleIntelligenceDisabled.title",
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value: "Apple Intelligence Required",
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comment: "Title shown when Apple Intelligence is disabled"
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)
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static let appleIntelligenceDisabledMessage = NSLocalizedString(
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"onDeviceAI.unavailableView.appleIntelligenceDisabled.message",
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value: "To generate excerpts with AI, please enable Apple Intelligence in Settings. This feature uses on-device processing to protect your privacy.",
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comment: "Message shown when Apple Intelligence is disabled"
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)
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static let openAppleIntelligenceSettings = NSLocalizedString(
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"onDeviceAI.unavailableView.appleIntelligenceDisabled.openSettings",
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value: "Open Settings",
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comment: "Button to open Apple Intelligence settings"
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)
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static let preparingModel = NSLocalizedString(
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"onDeviceAI.unavailableView.preparingModel.title",
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value: "Preparing model...",
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comment: "Title shown when the AI model is not ready"
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)
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static let preparingModelDescription = NSLocalizedString(
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"onDeviceAI.unavailableView.preparingModel.description",
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value: "The AI model is downloading or being prepared. Please try again in a moment.",
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comment: "Description shown when the AI model is not ready"
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)
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static let appleIntelligenceUnavailableTitle = NSLocalizedString(
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"onDeviceAI.unavailableView.appleIntelligenceUnvailable.title",
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value: "Apple Intelligence Unvailable",
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comment: "Title shown when Apple Intelligence is unavailable"
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)
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static let appleIntelligenceUnavailableMessage = NSLocalizedString(
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"onDeviceAI.unavailableView.appleIntelligenceUnvailable.message",
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value: "Apple Intelligence is not available on this device",
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comment: "Message shown when Apple Intelligence is unavailable"
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)
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}

‎RELEASE-NOTES.txt‎

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26.4
22
-----
3-
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* [*] [Intelligence] Add support for generating excerpts for posts [#24852]
44

55
26.3
66
-----

‎WordPress/Classes/Utility/Button+Extensions.swift‎

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import SwiftUI
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extension Button where Label == Text {
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@ViewBuilder
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public static func make(role: BackportButtonRole, _ action: @escaping () -> Void) -> some View {
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if #available(iOS 26, *) {
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SwiftUI.Button(role: ButtonRole(role), action: action)
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} else {
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SwiftUI.Button(role.title) {
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action()
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}
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}
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}
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}
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public enum BackportButtonRole {
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case cancel
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case close
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case confirm
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var title: String {
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switch self {
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case .cancel: SharedStrings.Button.cancel
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case .close: SharedStrings.Button.close
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case .confirm: SharedStrings.Button.done
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}
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}
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}
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@available(iOS 26, *)
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private extension ButtonRole {
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init(_ role: BackportButtonRole) {
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switch role {
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case .cancel: self = .cancel
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case .close: self = .close
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case .confirm: self = .confirm
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}
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}
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}

‎WordPress/Classes/ViewRelated/Post/PostSettings/PostSettingsView.swift‎

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private var excerptSection: some View {
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Section {
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NavigationLink {
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PostSettingsExcerptEditor(text: $viewModel.settings.excerpt)
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.navigationTitle(Strings.excerptHeader)
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PostSettingsExcerptEditor(
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postContent: (viewModel.post.content ?? ""),
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text: $viewModel.settings.excerpt
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)
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.navigationTitle(Strings.excerptHeader)
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} label: {
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PostSettingExcerptRow(text: viewModel.settings.excerpt)
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}

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