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/Services/KeyboardState.swift

@@ -140,6 +140,12 @@ public final class KeyboardState: ObservableObject {
     @Published public var clipboardHistoryEnabled: Bool = false
     /// Opt-in clipboard suggestion strip (requires history enabled).
     @Published public var clipboardCandidateBarEnabled: Bool = false
+    /// Skills-tab order for clipboard chips (max 8). Empty → hint carousel.
+    @Published public var enabledClipboardSkillIDs: [String] = AIAgentSkillLayout.defaultEnabledIDs
+    /// Export skill currently waiting on the LLM. Nil for transform skills.
+    @Published public var pendingClipboardSkillID: String?
+    /// In-keyboard toast (e.g. no todos). Does not leave the host app.
+    @Published public var skillTipText: String?
     /// Host field is a password / secure entry — never read pasteboard.
     @Published public var isSecureTextEntry: Bool = false
     /// Secure fields hide every clipboard-history entry point.
@@ -239,8 +245,10 @@ public final class KeyboardState: ObservableObject {
     public var sendAIAnswer: () -> Void = {}
     /// Sends a tapped idle hint card as the AI question (skip microphone).
     public var submitAIHint: (AIHintCard) -> Void = { _ in }
-    /// Sends a clipboard skill (reply / summarize / translate / future).
+    /// Sends a clipboard skill (reply / summarize / translate / export).
     public var submitAIClipboardSkill: (AIClipboardSkill) -> Void = { _ in }
+    /// Writes extract-todos titles and opens the host to run the Shortcut.
+    public var runClipboardExportSkill: (String, [String]) -> Void = { _, _ in }
     public var openSettings:        () -> Void = {}
     /// Opens the host app straight to input-resource deployment. Used by the
     /// typing surface when Rime resources have not been deployed yet.