feat(keyboard): add Skills tab and extract-todos Shortcut export

Ship a Skills catalog with drag-to-reorder chips and a companion Shortcut that receives extracted titles and writes them to Reminders.

OSGKeyboardShared/Models/AIAgentSkillLayout.swift

@@ -0,0 +1,78 @@
+// AIAgentSkillLayout.swift
+// OSGKeyboard · Shared
+//
+// Enabled clipboard-skill slots (max 8, ordered) plus which export skills
+// the user confirmed a companion Shortcut for. Missing storage hydrates
+// to the three default transform skills; an explicit empty list is kept
+// so turning every skill off is distinct from a fresh install.
+
+import Foundation
+
+public struct AIAgentSkillLayout: Codable, Equatable, Sendable {
+    public static let maximumEnabled = 8
+    public static let defaultEnabledIDs = [
+        AIClipboardSkillCatalog.replyID,
+        AIClipboardSkillCatalog.summarizeID,
+        AIClipboardSkillCatalog.translateID,
+    ]
+
+    /// Keyboard chip order. Unknown / unconfirmed IDs are dropped on sanitize.
+    public var enabledIDs: [String]
+    /// Export skills whose companion Shortcut the user marked as added.
+    public var confirmedShortcutIDs: [String]
+
+    public static let `default` = AIAgentSkillLayout(
+        enabledIDs: defaultEnabledIDs,
+        confirmedShortcutIDs: []
+    )
+
+    public init(enabledIDs: [String], confirmedShortcutIDs: [String]) {
+        self.enabledIDs = enabledIDs
+        self.confirmedShortcutIDs = confirmedShortcutIDs
+    }
+
+    public var isFull: Bool {
+        enabledIDs.count >= Self.maximumEnabled
+    }
+
+    public func isEnabled(_ id: String) -> Bool {
+        enabledIDs.contains(id)
+    }
+
+    public func hasConfirmedShortcut(_ id: String) -> Bool {
+        confirmedShortcutIDs.contains(id)
+    }
+
+    /// Drops unknown IDs, unconfirmed export skills, and duplicates; caps at 8.
+    public func sanitized() -> AIAgentSkillLayout {
+        let known = Dictionary(uniqueKeysWithValues: AIClipboardSkillCatalog.catalog.map { ($0.id, $0) })
+        var seenEnabled = Set<String>()
+        let enabled = enabledIDs.filter { id in
+            guard let skill = known[id], seenEnabled.insert(id).inserted else { return false }
+            if skill.requiresShortcut {
+                return confirmedShortcutIDs.contains(id)
+            }
+            return true
+        }
+        .prefix(Self.maximumEnabled)
+
+        var seenConfirmed = Set<String>()
+        let confirmed = confirmedShortcutIDs.filter { id in
+            guard known[id]?.requiresShortcut == true else { return false }
+            return seenConfirmed.insert(id).inserted
+        }
+
+        return AIAgentSkillLayout(
+            enabledIDs: Array(enabled),
+            confirmedShortcutIDs: confirmed
+        )
+    }
+}
+
+public enum AIAgentSkillEnableResult: Equatable, Sendable {
+    case enabled
+    case alreadyEnabled
+    case needsShortcut
+    case full
+    case unknown
+}

OSGKeyboardShared/Models/AppGroupConfiguration.swift

@@ -69,6 +69,8 @@ public struct AppGroupConfiguration: Sendable, Equatable {
             "config.flowInactivityDuration.migratedToFiveMinuteDefault"
         /// Diagnostic switch: when false, local ASR skips the custom language model.
         public static let localASRCustomLanguageModelEnabled = "config.localASR.customLanguageModelEnabled"
+        /// Enabled AI Agent skill IDs (order) + confirmed companion Shortcuts.
+        public static let agentSkillLayout = "config.aiAgentSkills.layout.v1"
     }
 
     // MARK: - Stored fields
@@ -113,8 +115,8 @@ public struct AppGroupConfiguration: Sendable, Equatable {
     public var flowSkipAppSwitch: Bool
     /// Idle timeout before the Flow session ends; resets on each utterance.
     public var flowInactivityDuration: FlowInactivityDuration
-    /// Whether local `SpeechAnalyzer` should attach the prepared custom language model.
-    public var localASRCustomLanguageModelEnabled: Bool
+        /// Whether local `SpeechAnalyzer` should attach the prepared custom language model.
+        public var localASRCustomLanguageModelEnabled: Bool
 
     // MARK: - Derived