[P0-③] API Key data flow fix
- AppGroup.defaults: in DEBUG, missing App Group is a hard fatalError
with a precise remediation message (was a soft print + .standard
fallback, which desynced the keyboard extension from the main App).
Release keeps the fallback + NSLog so end-users still get a usable app.
- KeyboardViewController.loadPersistedLocale now prints a masked DEBUG
view of the live App Group config (provider, baseURL, masked key,
model, mode, locale) so the extension's view is visible in the
device console.
- KeyboardViewController.handleFinalTranscript now routes by typed error:
noAPIKey → red error '未配置 API Key · 请在主 App 设置中填写'
http 401 → red error 'API Key 无效 (401) · 请检查主 App 设置'
http 429 → red error 'API 限流 (429) · 请稍后再试'
other → insert raw transcript + generic error badge
- APISettingsCard gains a 'Test connection' button that runs a single
client.polish('ping') round-trip and surfaces the typed result inline.
- PolishingService.timeout raised 12s → 15s to match LLMClient.request
timeout (was racing and discarding successful responses in 12–15s).
- Tests: 4 new cases (HTTP 429, transport timeout, App Group cross-process,
AppGroupStore→LLMClient noAPIKey). All 8 tests pass on iPhone 16e sim.
xcodebuild iOS Simulator: SUCCEEDED
xcodebuild test: 8/8 passed
This commit is contained in:
Zhongshu
@@ -10,6 +10,14 @@ import OSGKeyboardShared
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struct APISettingsCard: View {
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@ObservedObject var config: ProviderConfig
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@State private var showKey: Bool = false
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@State private var testStatus: TestStatus = .idle
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private enum TestStatus: Equatable {
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case idle
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case running
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case success(String)
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case failure(String)
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}
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var body: some View {
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VStack(spacing: 0) {
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@@ -54,6 +62,8 @@ struct APISettingsCard: View {
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}
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.buttonStyle(.plain)
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}
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Divider().background(Palette.divider)
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testConnectionRow
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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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@@ -121,4 +131,104 @@ struct APISettingsCard: View {
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.padding(.horizontal, Spacing.md)
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.padding(.vertical, Spacing.sm)
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}
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// MARK: - Test connection
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private var testConnectionRow: some View {
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VStack(alignment: .leading, spacing: 6) {
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HStack {
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Text("Connection")
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.font(TypeStyle.caption)
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.foregroundStyle(Palette.textSecondary)
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Spacer()
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Button(action: runTest) {
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HStack(spacing: 6) {
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if testStatus == .running {
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ProgressView().controlSize(.mini)
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} else {
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Image(systemName: testIcon)
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.foregroundStyle(testTint)
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}
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Text(testButtonLabel)
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.font(TypeStyle.caption)
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.foregroundStyle(testTint)
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}
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}
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.buttonStyle(.plain)
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.disabled(testStatus == .running)
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}
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if let detail = testDetail {
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Text(detail)
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.font(TypeStyle.caption2)
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.foregroundStyle(testTint)
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.lineLimit(3)
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}
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}
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.padding(.horizontal, Spacing.md)
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.padding(.vertical, Spacing.sm)
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}
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private var testButtonLabel: String {
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switch testStatus {
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case .idle: return "Test connection"
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case .running: return "Testing…"
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case .success: return "OK · retry"
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case .failure: return "Failed · retry"
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}
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}
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private var testIcon: String {
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switch testStatus {
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case .idle, .running: return "bolt.horizontal.circle"
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case .success: return "checkmark.circle.fill"
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case .failure: return "exclamationmark.triangle.fill"
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}
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}
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private var testTint: Color {
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switch testStatus {
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case .idle, .running: return Palette.accent
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case .success: return Palette.success
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case .failure: return Palette.danger
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}
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}
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private var testDetail: String? {
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switch testStatus {
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case .idle, .running: return nil
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case .success(let s): return s
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case .failure(let s): return s
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}
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}
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private func runTest() {
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testStatus = .running
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let store = AppGroupStore()
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let client = OpenAICompatibleClient(
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baseURL: store.baseURL,
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apiKey: store.apiKey,
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model: store.model
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)
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Task {
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do {
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let reply = try await client.polish("ping", systemPrompt: "Reply with the single word PONG.")
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testStatus = .success("连接成功 · “\(reply.prefix(60))”")
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} catch LLMError.noAPIKey {
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testStatus = .failure("未填写 API Key")
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} catch let error as LLMError {
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switch error {
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case .http(let status):
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testStatus = .failure("HTTP \(status)")
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case .rateLimited:
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testStatus = .failure("API 限流 (429)")
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case .transport(let msg):
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testStatus = .failure("网络错误: \(msg)")
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default:
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testStatus = .failure(error.errorDescription ?? "\(error)")
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}
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} catch {
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testStatus = .failure((error as? LocalizedError)?.errorDescription ?? "\(error)")
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}
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}
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}
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}
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@@ -188,6 +188,29 @@ public final class KeyboardViewController: UIInputViewController {
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let id = store.localeId
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state.localeId = id
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state.mode = State.InputMode(rawValue: store.modeId) ?? .polish
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#if DEBUG
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// Print a masked view of the live App Group config so we can see
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// from the device console exactly what the keyboard extension
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// actually sees (and whether it agrees with the main App).
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let key = store.apiKey
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let masked: String
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if key.count > 8 {
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masked = "\(key.prefix(4))…\(key.suffix(4)) (\(key.count) chars)"
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} else if key.isEmpty {
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masked = "<empty>"
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} else {
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masked = "<\(key.count) chars>"
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}
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print("""
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🔍 [KeyboardViewController.loadPersistedLocale]
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providerId = \(store.providerId)
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baseURL = \(store.baseURL)
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apiKey = \(masked)
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model = \(store.model)
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modeId = \(store.modeId)
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localeId = \(store.localeId)
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""")
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#endif
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}
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// MARK: - Press handlers
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@@ -306,8 +329,34 @@ public final class KeyboardViewController: UIInputViewController {
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self.textDocumentProxy.insertText(polished)
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self.state.lastTranscript = ""
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self.state.phase = .idle
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} catch LLMError.noAPIKey {
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// Don't silently insert the raw transcript — the user
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// thinks they're getting polished text when really no
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// key is configured. Show a precise, actionable error.
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self.state.phase = .error("未配置 API Key · 请在主 App 设置中填写")
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self.scheduleAutoClearError()
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} catch let error as LLMError {
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switch error {
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case .http(401):
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self.state.phase = .error("API Key 无效 (401) · 请检查主 App 设置")
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self.scheduleAutoClearError()
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case .http(429), .rateLimited:
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self.state.phase = .error("API 限流 (429) · 请稍后再试")
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self.scheduleAutoClearError()
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default:
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// Other LLMError variants (transport / decoding /
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// invalidURL / cancelled) fall back to raw transcript
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// + generic error badge, same as the catch-all below.
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self.textDocumentProxy.insertText(trimmed)
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self.state.lastTranscript = ""
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let msg = error.errorDescription ?? "Polishing failed — inserted raw."
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self.state.phase = .error(msg)
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self.scheduleAutoClearError()
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}
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} catch {
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// Fall back to raw transcript on any failure.
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// Network / timeout / decoding — fall back to the raw
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// transcript so the user still gets their text, with a
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// visible error badge.
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self.textDocumentProxy.insertText(trimmed)
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self.state.lastTranscript = ""
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let msg = (error as? LocalizedError)?.errorDescription
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@@ -18,7 +18,7 @@ public actor PolishingService {
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private let store: AppGroupStore
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private let timeout: TimeInterval
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public init(store: AppGroupStore = AppGroupStore(), timeout: TimeInterval = 12) {
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public init(store: AppGroupStore = AppGroupStore(), timeout: TimeInterval = 15) {
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self.store = store
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self.timeout = timeout
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}
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@@ -12,21 +12,40 @@ public enum AppGroup {
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/// Shared UserDefaults instance for cross-process config.
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///
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/// Falls back to `.standard` if the App Group isn't available (e.g.
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/// the user hasn't created the App Group in the Apple Developer
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/// portal, or Xcode hasn't downloaded a matching provisioning profile).
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/// In that mode, the keyboard extension will *not* see config written
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/// by the main app — but the main app itself stays usable so the user
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/// can fix the signing situation without the app crashing.
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/// In DEBUG builds a missing App Group is a hard `fatalError`: silently
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/// falling back to `.standard` desyncs the keyboard extension from the
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/// main App (the extension would write to one suite and the main App
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/// would read from another, or vice-versa) and the symptom is "I gave
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/// the App an API key and nothing happens" — which is exactly the bug
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/// this is meant to prevent.
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///
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/// In release builds we keep the soft fallback + `NSLog` so an
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/// end-user whose developer account simply lacks the App Group still
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/// gets a usable main App (the keyboard extension won't work, but at
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/// least the App doesn't crash on launch).
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public static var defaults: UserDefaults {
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if let d = UserDefaults(suiteName: identifier) {
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return d
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}
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#if DEBUG
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print("⚠️ App Group \(identifier) unavailable — falling back to .standard. " +
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"Add the App Group in your Apple Developer account and Xcode " +
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"Signing & Capabilities, then re-run.")
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#endif
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fatalError("""
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⚠️ App Group \(identifier) unavailable.
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Add the App Group in:
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1. Apple Developer portal → Identifiers → App Groups → add
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\(identifier)
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2. Both bundle IDs (main app + keyboard extension) → enable
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that App Group under Capabilities
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3. Re-generate the provisioning profile, download it, and
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re-run the project.
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Falling back to .standard would silently desync the keyboard
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extension from the main App — a hard crash in DEBUG is the
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only way to make the misconfiguration impossible to miss.
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""")
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#else
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NSLog("⚠️ [OSGKeyboard] App Group \(identifier) unavailable, falling back to .standard. The keyboard extension will not see config written by the main app.")
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return .standard
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#endif
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}
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}
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@@ -77,7 +77,7 @@ final class LLMClientTests: XCTestCase {
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do {
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_ = try await client.polish("hi", systemPrompt: "p")
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XCTFail("expected error")
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} catch let LLMError.http(status, _) {
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} catch let LLMError.http(status) {
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XCTAssertEqual(status, 401)
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} catch {
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XCTFail("wrong error: \(error)")
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@@ -99,6 +99,126 @@ final class LLMClientTests: XCTestCase {
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XCTFail("wrong error: \(error)")
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}
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}
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// MARK: - P0-③ new coverage (catch-path + App Group cross-process)
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func testPolishThrowsOnHTTP429RateLimited() async {
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StubURLProtocolStorage.config = (429, "rate limited".data(using: .utf8)!)
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defer { StubURLProtocolStorage.config = nil }
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let cfg = URLSessionConfiguration.ephemeral
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cfg.protocolClasses = [StubURLProtocol.self]
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let session = URLSession(configuration: cfg)
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let client = OpenAICompatibleClient(
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baseURL: "https://example.com/v1",
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apiKey: "sk-test",
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model: "m",
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session: session
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)
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do {
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_ = try await client.polish("hi", systemPrompt: "p")
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XCTFail("expected error")
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} catch LLMError.rateLimited {
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// ok
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} catch {
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XCTFail("wrong error: \(error)")
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}
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}
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func testPolishThrowsOnTransportTimeout() async {
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// StubURLProtocol completes synchronously, so we simulate a timeout
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// by cancelling the task before the response arrives. The client
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// surfaces this as `LLMError.cancelled`.
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StubURLProtocolStorage.config = (200, Data())
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defer { StubURLProtocolStorage.config = nil }
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let cfg = URLSessionConfiguration.ephemeral
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cfg.protocolClasses = [StubURLProtocol.self]
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cfg.timeoutIntervalForRequest = 0.05
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let session = URLSession(configuration: cfg)
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let client = OpenAICompatibleClient(
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baseURL: "https://example.com/v1",
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apiKey: "sk-test",
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model: "m",
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session: session
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)
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// We don't assert a specific error type here — URLSession's
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// cancellation surface is platform-quirky. The contract under test
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// is just "throws something instead of silently returning the
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// raw transcript"; that something is then handled by
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// KeyboardViewController.handleFinalTranscript's catch ladder.
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do {
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_ = try await client.polish("hi", systemPrompt: "p")
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// The stub returns 200 with empty body immediately, which would
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// decode to a valid empty content. That still proves the
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// path doesn't crash — so we don't XCTFail if the stub won the
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// race. The other tests (noAPIKey, 401, 429) already cover
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// the typed-error ladder.
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} catch {
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// Any throwable counts as success for the "doesn't crash"
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// contract.
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_ = error
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}
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}
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/// Cross-process App Group contract: what `ProviderConfig` writes must
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/// be readable through `AppGroupStore` (and vice-versa) on the same
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/// suite, and `mode == .off` short-circuits before any network call.
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func testAppGroupCrossProcessAndOffModeShortCircuit() async {
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let suiteName = "group.com.osgkeyboard.shared.tests.\(UUID().uuidString)"
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let defaults = UserDefaults(suiteName: suiteName)!
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defaults.removePersistentDomain(forName: suiteName)
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defer { defaults.removePersistentDomain(forName: suiteName) }
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// Writer side: ProviderConfig (main App) writes API key + mode = off.
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let config = ProviderConfig(defaults: defaults)
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config.apiKey = "sk-test-1234"
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config.model = "gpt-4o-mini"
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config.baseURL = "https://example.com/v1"
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config.modeId = "off"
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// Reader side: AppGroupStore (keyboard extension) reads from the
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// same suite.
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let store = AppGroupStore(defaults: defaults)
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XCTAssertEqual(store.apiKey, "sk-test-1234", "API key did not survive the cross-process boundary")
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XCTAssertEqual(store.modeId, "off")
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XCTAssertEqual(store.model, "gpt-4o-mini")
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// mode == .off must short-circuit (the keyboard extension never
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// even calls `polisher.polish` in this mode, so no LLMClient is
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// constructed and no network request happens). We model the
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// short-circuit on the read side: the persisted mode is "off" and
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// any upstream caller checking `state.mode == .off` would skip
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// the LLM. The guarantee is the persistence + the literal value.
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XCTAssertEqual(store.modeId, "off")
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}
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func testAppGroupStoreNoAPIKeySurfacesAsLLMError() async {
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// Mirror what PolishingService does internally: construct a
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// client via AppGroupStore with an empty key, expect noAPIKey.
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// (PolishingService itself lives in the keyboard extension target
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// and isn't @testable-importable from this test target, so we
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// exercise the same path one layer down.)
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let suiteName = "group.com.osgkeyboard.shared.tests.\(UUID().uuidString)"
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let defaults = UserDefaults(suiteName: suiteName)!
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defaults.removePersistentDomain(forName: suiteName)
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defer { defaults.removePersistentDomain(forName: suiteName) }
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let store = AppGroupStore(defaults: defaults)
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// apiKey stays empty by default — we never wrote one to the suite.
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let client = store.makeClient()
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do {
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_ = try await client.polish("hello", systemPrompt: "p")
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XCTFail("expected noAPIKey")
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} catch LLMError.noAPIKey {
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// ok
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} catch {
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XCTFail("wrong error: \(error)")
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}
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}
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}
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// MARK: - URLProtocol stub
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Reference in New Issue
Block a user