feat(translation): add post-ASR translation mode for cloud engine
Adds an opt-in translation pipeline that reuses the existing PolishingService + LLMClient + AppGroupStore chain. Translation is implemented as a new PolishMode (.translate(targetLocaleId:)); all existing call sites are unchanged. Settings: - New TranslationPickerRow in the language tab (Toggle + 10-locale picker: en/zh-Hans/zh-Hant/ja/ko/fr/de/es/ru/pt), persisted to the App Group so the keyboard extension can read it during live dictation. - 5 new strings per language (en + zh-Hans). Keyboard: - New TranslationChip on the top bar to the right of LocaleChip; same Menu pattern, lets users toggle or quickly switch target language without leaving the keyboard. - PolishingService dispatches .translate with a parameterised prompt (en/zh variants selected by provider id); PolishingService.error gains a translationNotAvailable case so local-engine users get a clear inline warning when the toggle is on but cloud is off. - 6 new strings per language (en + zh-Hans) for the chip + banner. Local engine policy: - Translation is cloud-only by design (local engine stays ASR-only to honour the no-roundtrip promise). Chip shows a 'cloud required' state and raw transcript still inserts on failure — no data loss. Build: - OSGKeyboardShared adds TranslationLanguage enum (10 locales) and TranslationPrompt factory. - 4 new files, 9 modified. xcodebuild scheme=OSGKeyboard config=Debug destination=iPhone 17 Simulator: BUILD SUCCEEDED (0 warning, 0 error). Also pins DEVELOPMENT_TEAM in project.yml for TestFlight uploads (3 targets; Team X329MZU23S).
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@@ -139,6 +139,13 @@ struct SettingsView: View {
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set: { config.localeId = $0 }
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)
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)
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// v0.2.1: translation toggle + target-language picker.
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// Sits at the bottom of the language section so the user
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// finds it next to the ASR locale it complements. Reuses
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// `config.translationEnabled` / `config.translationTargetLocaleId`
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// bindings — no new state, no new persistence path.
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Divider().background(palette.divider)
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TranslationPickerRow(config: config)
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}
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.background(palette.surface, in: RoundedRectangle(cornerRadius: Radius.large, style: .continuous))
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.overlay(
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@@ -0,0 +1,115 @@
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// TranslationPickerRow.swift
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// OSGKeyboard · Main App
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//
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// List row that hosts the translation toggle + target-language picker.
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// Lives at the bottom of the language tab in Settings (see
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// `SettingsView.languageAndModelsSection`) so it sits right next to
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// the existing ASR locale picker — same picker family, same row
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// metrics.
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//
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// Layout:
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// • First row → switch (label on the left, switch on the right)
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// • When on → a second row with a Menu picker for the target
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// language. Disabled when the local engine is active so the user
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// immediately sees why the picker is greyed out (instead of picking
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// a target that the pipeline silently ignores).
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//
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// Reuses the host app's `ProviderConfig` `translationEnabled` /
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// `translationTargetLocaleId` bindings — no new state, no new
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// persistence path.
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import SwiftUI
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import OSGKeyboardShared
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struct TranslationPickerRow: View {
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@Environment(\.themePalette) private var palette: ThemePalette
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@ObservedObject var config: ProviderConfig
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var body: some View {
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VStack(spacing: 0) {
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toggleRow
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if config.translationEnabled {
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Divider().background(palette.divider)
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targetRow
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}
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}
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}
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private var toggleRow: some View {
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HStack {
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VStack(alignment: .leading, spacing: 2) {
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Text("settings.translation.title")
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.font(TypeStyle.body)
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.foregroundStyle(palette.textPrimary)
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Text(subtitleKey)
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.font(TypeStyle.caption2)
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.foregroundStyle(palette.textSecondary)
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}
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Spacer()
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Toggle(
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"",
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isOn: Binding(
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get: { config.translationEnabled },
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set: { config.translationEnabled = $0 }
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)
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)
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.labelsHidden()
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.tint(palette.accent)
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}
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.padding(.horizontal, Spacing.md)
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.frame(minHeight: SettingsListMetrics.singleLineMinHeight)
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}
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/// Subtitle explains why the toggle is functionally inert when the
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/// local engine is on. We still let the user flip the toggle in
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/// that case so their preference is saved — the moment they switch
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/// back to cloud, translation just works.
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private var subtitleKey: LocalizedStringKey {
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config.isLocalEngine
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? "settings.translation.subtitle.needsCloud"
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: "settings.translation.subtitle"
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}
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private var targetRow: some View {
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HStack {
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Text("settings.translation.target")
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.font(TypeStyle.body)
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.foregroundStyle(palette.textPrimary)
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Spacer()
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Menu {
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ForEach(TranslationLanguageCatalog.all) { language in
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Button {
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config.translationTargetLocaleId = language.id
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} label: {
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if language.id == config.translationTargetLocaleId {
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Label(language.nativeName, systemImage: "checkmark")
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} else {
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Text(language.nativeName)
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}
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}
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}
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} label: {
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HStack(spacing: 6) {
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Text(currentTargetName)
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.font(TypeStyle.body)
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.foregroundStyle(pickerForeground)
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Image(systemName: "chevron.up.chevron.down")
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.font(.system(size: 11, weight: .bold))
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.foregroundStyle(palette.textTertiary)
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}
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}
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.disabled(config.isLocalEngine)
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.opacity(config.isLocalEngine ? 0.5 : 1.0)
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}
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.padding(.horizontal, Spacing.md)
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.frame(minHeight: SettingsListMetrics.singleLineMinHeight)
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}
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private var currentTargetName: String {
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TranslationLanguageCatalog.resolve(config.translationTargetLocaleId).nativeName
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}
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private var pickerForeground: Color {
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config.isLocalEngine ? palette.textTertiary : palette.textSecondary
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}
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}
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@@ -108,6 +108,11 @@
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"provider.custom" = "Custom";
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"settings.api.title" = "API";
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"settings.language.title" = "Language";
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// v0.2.1: translation feature
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"settings.translation.title" = "Translate after dictation";
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"settings.translation.subtitle" = "Send the transcript to your LLM with a translate-and-polish prompt before inserting.";
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"settings.translation.subtitle.needsCloud" = "Requires the cloud engine — currently disabled.";
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"settings.translation.target" = "Target language";
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"settings.languageModels.title" = "Language & models";
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"settings.localModels.title" = "On-device models";
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"settings.localModels.speechRole" = "Speech";
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@@ -108,6 +108,11 @@
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"provider.custom" = "自定义";
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"settings.api.title" = "接口";
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"settings.language.title" = "语言";
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// v0.2.1: 翻译功能
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"settings.translation.title" = "语音转文字后翻译";
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"settings.translation.subtitle" = "将转写文本发送给已配置的 LLM，使用翻译+润色 prompt 处理后插入。";
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"settings.translation.subtitle.needsCloud" = "需开启云端引擎，当前为本地模式暂不生效。";
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"settings.translation.target" = "目标语言";
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"settings.languageModels.title" = "语言与模型";
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"settings.localModels.title" = "本地模型";
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"settings.localModels.speechRole" = "语音识别";
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