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.

OSGKeyboardMac/MacAppContextService.swift

@@ -50,7 +50,7 @@ enum MacAppContextService {
         "com.microsoft.Word": .document,
         "com.google.GoogleDocs": .document,
         "com.evernote.Evernote": .document,
-        "com.microsoft.onenote.mac": .document,
+        "com.microsoft.onenote.mac": .document
     ]
 
     /// Chat-style apps from the shared host registry (iOS bundle IDs often

OSGKeyboardMac/MacComponents.swift

@@ -202,7 +202,7 @@ struct MacSettingsSection<Content: View>: View {
     @Environment(\.themePalette) private var palette
 
     let title: String
-    var footer: String? = nil
+    var footer: String?
     @ViewBuilder var content: () -> Content
 
     var body: some View {
@@ -238,7 +238,7 @@ struct MacInlineRow<Control: View>: View {
     @Environment(\.themePalette) private var palette
 
     let title: String
-    var subtitle: String? = nil
+    var subtitle: String?
     @ViewBuilder var control: () -> Control
 
     var body: some View {
@@ -306,7 +306,7 @@ struct MacProviderSettingRow<Content: View>: View {
     @Environment(\.themePalette) private var palette
 
     let title: String
-    var subtitle: String? = nil
+    var subtitle: String?
     /// Cross-axis alignment between the label column and the control. Provider
     /// rows keep `.top` (model row grows a status line below its field); single
     /// control rows can pass `.center` to vertically center label and control.
@@ -350,7 +350,7 @@ struct MacSettingsIconButton: View {
     @Environment(\.themePalette) private var palette
 
     let systemName: String
-    var help: String? = nil
+    var help: String?
     var disabled: Bool = false
     let action: () -> Void
 
@@ -378,9 +378,9 @@ struct MacSettingsToolButton: View {
 
     let title: String
     /// Background fill. Defaults to the neutral elevated surface.
-    var fill: Color? = nil
+    var fill: Color?
     /// Text color. Defaults to primary text (tertiary when disabled).
-    var foreground: Color? = nil
+    var foreground: Color?
     /// Hairline divider border — drawn for the neutral variant, hidden for
     /// colored fills (delete / download) so the fill reads as the button.
     var showsBorder: Bool = true

OSGKeyboardMac/MacICloudSyncRows.swift

@@ -70,7 +70,11 @@ struct MacSettingsICloudSyncRow: View {
             get: { isEnabled },
             set: { newValue in
                 guard newValue != isEnabled else { return }
-                newValue ? enableSync() : disableSync()
+                if newValue {
+                    enableSync()
+                } else {
+                    disableSync()
+                }
             }
         )
     }

OSGKeyboardMac/MacLocalASRModelSettingsView.swift

@@ -289,7 +289,7 @@ struct MacLocalASRModelSettingsView: View {
                     MacInlinePickerOption(
                         value: LocalASRDownloadSourcePreference.huggingface,
                         label: MacL10n.string("mac.localASR.downloadSource.huggingface", language: lang)
-                    ),
+                    )
                 ],
                 fillsWidth: true
             )

OSGKeyboardMac/MacPolishStylesView.swift

@@ -32,7 +32,7 @@ struct MacPolishStylesView: View {
                 .adaptive(minimum: MacMetrics.polishStyleCardMinWidth),
                 spacing: Spacing.md,
                 alignment: .top
-            ),
+            )
         ]
     }
 

OSGKeyboardMac/MacSettingsComponents.swift

@@ -235,7 +235,7 @@ struct MacProviderThinkingRow: View {
     @Environment(\.themePalette) private var palette
 
     let title: String
-    var subtitle: String? = nil
+    var subtitle: String?
     @Binding var isOn: Bool
 
     var body: some View {

OSGKeyboardMac/MacTheme.swift

@@ -28,34 +28,34 @@ enum MacSystemPalette {
 
     private static func makePalette(dark: Bool) -> ThemePalette {
         ThemePalette(
-            background:      resolved(dark ? darkBackground : warmBackground, dark: dark),
-            surface:         resolved(dark ? darkSurface : warmSurface, dark: dark),
+            background: resolved(dark ? darkBackground : warmBackground, dark: dark),
+            surface: resolved(dark ? darkSurface : warmSurface, dark: dark),
             surfaceElevated: resolved(dark ? darkElevated : warmElevated, dark: dark),
-            surfaceMuted:    resolved(dark ? darkMuted : warmMuted, dark: dark),
+            surfaceMuted: resolved(dark ? darkMuted : warmMuted, dark: dark),
 
-            accent:          Palette.accent,
-            accentMuted:     Palette.accent.opacity(dark ? 0.22 : 0.14),
-            accentGlow:      Palette.accent.opacity(dark ? 0.40 : 0.32),
-            aiTeal:          Palette.aiTeal,
+            accent: Palette.accent,
+            accentMuted: Palette.accent.opacity(dark ? 0.22 : 0.14),
+            accentGlow: Palette.accent.opacity(dark ? 0.40 : 0.32),
+            aiTeal: Palette.aiTeal,
 
-            danger:          resolved(.systemRed, dark: dark),
-            success:         Palette.accent,
-            warning:         resolved(.systemOrange, dark: dark),
+            danger: resolved(.systemRed, dark: dark),
+            success: Palette.accent,
+            warning: resolved(.systemOrange, dark: dark),
 
-            textPrimary:     resolved(.labelColor, dark: dark),
-            textSecondary:   resolved(.secondaryLabelColor, dark: dark),
-            textTertiary:    resolved(.tertiaryLabelColor, dark: dark),
-            textOnAccent:    Color.white,
+            textPrimary: resolved(.labelColor, dark: dark),
+            textSecondary: resolved(.secondaryLabelColor, dark: dark),
+            textTertiary: resolved(.tertiaryLabelColor, dark: dark),
+            textOnAccent: Color.white,
 
-            divider:         dark
+            divider: dark
                 ? Color.white.opacity(0.08)
                 : Color.black.opacity(0.06),
-            dividerStrong:   dark
+            dividerStrong: dark
                 ? Color.white.opacity(0.12)
                 : Color.black.opacity(0.10),
 
-            recordRed:       resolved(.systemRed, dark: dark),
-            recordBlue:      resolved(.systemBlue, dark: dark)
+            recordRed: resolved(.systemRed, dark: dark),
+            recordBlue: resolved(.systemBlue, dark: dark)
         )
     }