feat(account): add managed credits and cloud gateway

Introduce optional Apple account-backed credits with scoped gateway access while preserving local and BYOK paths. Refresh assistant behavior, tests, privacy disclosures, docs, and the website for the 2.0 experience.

OSGKeyboardExt/KeyboardViewController.swift

@@ -14,10 +14,10 @@
 //   • `phase` is a real stored property (no derivation) — the previous
 //     "derive from recordStream" shim locked out every press after the first.
 
-import UIKit
-import SwiftUI
 import Combine
 import OSGKeyboardShared
+import SwiftUI
+import UIKit
 
 private final class KeyboardHostingController: UIHostingController<KeyboardSurfaceRoot> {
     override var preferredScreenEdgesDeferringSystemGestures: UIRectEdge {
@@ -994,7 +994,7 @@ public final class KeyboardViewController: UIInputViewController {
             host.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
             host.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
             host.view.topAnchor.constraint(equalTo: view.topAnchor),
-            host.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+            host.view.bottomAnchor.constraint(equalTo: view.bottomAnchor)
         ])
         host.didMove(toParent: self)
         hosting = host

OSGKeyboardExt/Services/AIKeyboardCoordinator.swift

@@ -110,7 +110,11 @@ final class AIKeyboardCoordinator {
         if case .materialUnavailable = resolution {
             AIAgentShortcutRun.trace("keyboard.submit rejected clipboardUnavailable skill=\(skill.id)")
         }
-        submitResolvedPrompt(resolution, thinkingEnabled: skill.thinkingEnabled)
+        submitResolvedPrompt(
+            resolution,
+            taskKind: skill.managedGatewayTaskKind,
+            thinkingEnabled: skill.thinkingEnabled
+        )
     }
 
     /// Tap an idle hint card: resolve its material, skip the mic, ask the host.
@@ -121,7 +125,7 @@ final class AIKeyboardCoordinator {
             for: card,
             clipboardText: ClipboardHistoryStore.shared.newestAIHintEligibleEntry()?.text
         )
-        submitResolvedPrompt(resolution)
+        submitResolvedPrompt(resolution, taskKind: .aiQuestion)
     }
 
     private var canAcceptIdleSubmit: Bool {
@@ -136,6 +140,7 @@ final class AIKeyboardCoordinator {
 
     private func submitResolvedPrompt(
         _ resolution: AIClipboardPrompt.Resolution,
+        taskKind: ManagedGatewayTaskKind,
         thinkingEnabled: Bool? = nil
     ) {
         guard case .ready(let prompt) = resolution else {
@@ -154,6 +159,7 @@ final class AIKeyboardCoordinator {
         let disposition = flow.submitAIQuestion(
             text: prompt,
             conversationID: conversationID,
+            taskKind: taskKind,
             thinkingEnabled: thinkingEnabled
         )
         if case .rejected(let rejection) = disposition {

OSGKeyboardExt/Services/ClipboardCaptureCoordinator.swift

@@ -5,8 +5,8 @@
 // (changeCount-driven). Writes accepted text into ClipboardHistoryStore.
 
 import Foundation
-import UIKit
 import OSGKeyboardShared
+import UIKit
 
 @MainActor
 protocol ClipboardPasteboardProviding: AnyObject {

OSGKeyboardExt/Services/KeyboardFlowCoordinator.swift

@@ -3,8 +3,8 @@
 //
 // Flow session start, recording, watchdogs, and result delivery handling.
 
-import UIKit
 import OSGKeyboardShared
+import UIKit
 
 @MainActor
 final class KeyboardFlowCoordinator {
@@ -681,6 +681,7 @@ final class KeyboardFlowCoordinator {
     func submitAIQuestion(
         text: String,
         conversationID: UUID,
+        taskKind: ManagedGatewayTaskKind = .aiQuestion,
         thinkingEnabled: Bool? = nil
     ) -> FlowUtteranceStartDisposition {
         let trimmed = text.trimmingCharacters(in: .whitespacesAndNewlines)
@@ -689,6 +690,7 @@ final class KeyboardFlowCoordinator {
             .aiQuestion(
                 conversationID: conversationID,
                 prefilledQuestion: trimmed,
+                taskKind: taskKind,
                 thinkingEnabled: thinkingEnabled
             )
         )
@@ -1191,6 +1193,7 @@ final class KeyboardFlowCoordinator {
             sourceHistoryEntryID: request.sourceHistoryEntryID,
             sourceHistoryEntryRevision: request.sourceHistoryEntryRevision,
             aiConversationID: request.aiConversationID,
+            aiTaskKind: request.aiTaskKind,
             startDeadlineAt: action == .startRecording ? currentStartDeadlineAt : nil,
             processingDeadlineAt: action == .stopRecording && request.isEdit
                 ? Date().timeIntervalSince1970
@@ -1898,6 +1901,7 @@ final class KeyboardFlowCoordinator {
             utteranceMode: .aiQuestion,
             aiConversationID: currentUtteranceRequest?.aiConversationID,
             aiQuestionText: text,
+            aiTaskKind: currentUtteranceRequest?.aiTaskKind,
             aiThinkingEnabled: currentUtteranceRequest?.aiThinkingEnabled,
             startDeadlineAt: currentStartDeadlineAt
         )
@@ -2034,7 +2038,7 @@ final class KeyboardFlowCoordinator {
                 onAIStreamingAnswer(result.text ?? "", result.utteranceId)
                 return
             }
-            if (result.status == .partial || result.status == .rawReady),
+            if result.status == .partial || result.status == .rawReady,
                let partial = result.text,
                !partial.isEmpty {
                 if result.resolvedUtteranceMode == .aiQuestion,

OSGKeyboardExt/Services/KeyboardTextInserter.swift

@@ -5,8 +5,8 @@
 // without re-running LLM polish in the extension. Also tracks the last
 // voice insertion so the undo button can roll it back safely.
 
-import UIKit
 import OSGKeyboardShared
+import UIKit
 
 @MainActor
 final class KeyboardTextInserter {

OSGKeyboardExt/Typing/CandidateExpandGridView.swift

@@ -4,9 +4,9 @@
 // UIKit grid for the expanded Chinese candidate panel. UILabel cells +
 // UICollectionView recycling stay far cheaper than hundreds of SwiftUI Buttons.
 
+import OSGKeyboardShared
 import SwiftUI
 import UIKit
-import OSGKeyboardShared
 
 struct CandidateExpandGridView: UIViewRepresentable {
     var candidates: [TypingCandidate]

OSGKeyboardExt/Typing/KeyboardSurfaceRoot.swift

@@ -3,8 +3,8 @@
 //
 // Switches between voice and typing surfaces driven by KeyboardState.surface.
 
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 struct KeyboardSurfaceRoot: View {
     @Environment(\.colorScheme) private var colorScheme

OSGKeyboardExt/Typing/TypingKeyTouchPad.swift

@@ -6,9 +6,9 @@
 // overlapping fingers commit in press order, delete repeats on down,
 // Shift holds while that finger owns it.
 
+import OSGKeyboardShared
 import SwiftUI
 import UIKit
-import OSGKeyboardShared
 
 struct TypingKeyTouchPad: UIViewRepresentable {
     var layout: TypingKeyLayout

OSGKeyboardExt/Typing/TypingRootView.swift

@@ -4,8 +4,8 @@
 // Typing surface: candidate bar + QWERTY / 123 / symbols.
 // Top-leading control returns to the voice surface.
 
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 enum TypingLayoutMetrics {
     // Size decisions live in `TypingSurfaceMetrics` (Shared) so the UIKit

OSGKeyboardExt/Utilities/ExtL10n.swift

@@ -6,8 +6,8 @@
 // duplicate Localizable.strings variant groups into the main app target only.
 
 import Foundation
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 enum ExtL10n {
     private static let table = "Keyboard"

OSGKeyboardExt/Utilities/KeyboardHapticFeedback.swift

@@ -4,8 +4,8 @@
 // Role-based typing haptics (no screen-position mapping). Intensity comes
 // from Settings → General → Haptics (off / light / strong).
 
-import UIKit
 import OSGKeyboardShared
+import UIKit
 
 /// Key roles drive distinct Taptic styles — closer to a real keyboard than
 /// a single buzz for every tap.

OSGKeyboardExt/Utilities/KeyboardSoundFeedback.swift

@@ -4,8 +4,8 @@
 // Plays the built-in iOS keyboard click sounds so the custom bottom-row
 // keys (space / return / delete) sound identical to the stock keyboard.
 
-import UIKit
 import AudioToolbox
+import UIKit
 
 /// 让键盘扩展支持系统点击音。`UIDevice.playInputClick()` 只有在「某个
 /// 可见的输入视图遵循本协议且返回 true」时才会发声。键盘扩展的根视图

OSGKeyboardExt/Views/AIKeyboardView.swift

@@ -4,8 +4,8 @@
 // Unified assistant surface: tap for ordinary dictation, hold for AI, and use
 // the same idle layout for hotwords, clipboard skills, editing, and Send.
 
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 struct AIKeyboardView: View {
     private enum Layout {

OSGKeyboardExt/Views/ClipboardKeyboardViews.swift

@@ -3,8 +3,8 @@
 //
 // Clipboard suggestion strip, enable-guide sheet, and history panel.
 
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 // MARK: - Suggestion strip (Doubao-style)
 

OSGKeyboardExt/Views/GlobeInputModeButton.swift

@@ -7,9 +7,9 @@
 // a transient `UIEvent`. SwiftUI draws the shared native key chrome while a
 // transparent `UIButton` owns touch delivery.
 
+import OSGKeyboardShared
 import SwiftUI
 import UIKit
-import OSGKeyboardShared
 
 struct GlobeInputModeButton: UIViewRepresentable {
     @ObservedObject var state: KeyboardState

OSGKeyboardExt/Views/KeyboardTopControls.swift

@@ -4,8 +4,8 @@
 // Shared top-right input switcher used by both voice and typing surfaces.
 // The same footprint is replaced by candidates while Chinese is composing.
 
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 private struct KeyboardTabSelectionNamespaceKey: EnvironmentKey {
     static let defaultValue: Namespace.ID? = nil

OSGKeyboardExt/Views/LastInputEditView.swift

@@ -1,8 +1,8 @@
 // LastInputEditView.swift
 // OSGKeyboard · Keyboard Extension
 
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 struct LastInputEditView: View {
     private enum Layout {

OSGKeyboardExt/Views/ToolbarActionButtons.swift

@@ -3,8 +3,8 @@
 //
 // Bottom-row action keys: repeating delete, space, and return.
 
-import SwiftUI
 import OSGKeyboardShared
+import SwiftUI
 
 // MARK: - Layout metrics