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/AIClipboardSkill.swift

@@ -2,20 +2,57 @@
 // OSGKeyboard · Shared
 //
 // Built-in clipboard actions for AI idle. The catalog is an ordered list so
-// Settings can later persist a subset or permutation without changing the view.
+// Settings / the Skills tab can persist a subset or permutation without
+// changing the view. Transform skills insert into the current field;
+// export skills hand off to a companion Shortcut after the model runs.
 
 import Foundation
 
+public enum AIClipboardSkillKind: String, Sendable {
+    /// LLM output is reviewed and inserted into the current text field.
+    case transform
+    /// LLM output is parsed and sent to a companion Shortcut. Never inserted.
+    case export
+}
+
 public struct AIClipboardSkill: Identifiable, Equatable, Sendable {
     public let id: String
     public let systemImage: String
-    /// Keyboard.strings key for the short button title.
+    /// Keyboard.strings key for the short chip title.
     public let titleKey: String
+    /// App Localizable key for the Skills-tab card title. Falls back to `titleKey`.
+    public let cardTitleKey: String
+    public let descriptionKey: String
+    public let kind: AIClipboardSkillKind
+    /// Default skills can be turned off but not removed from the catalog.
+    public let isDefault: Bool
+    /// Frozen companion Shortcut name. Nil for transform skills.
+    public let shortcutName: String?
+    /// Optional `icloud.com/shortcuts/` share URL. Nil → open the bundled file.
+    public let shortcutICloudURL: URL?
 
-    public init(id: String, systemImage: String, titleKey: String) {
+    public var requiresShortcut: Bool { kind == .export }
+
+    public init(
+        id: String,
+        systemImage: String,
+        titleKey: String,
+        cardTitleKey: String,
+        descriptionKey: String,
+        kind: AIClipboardSkillKind,
+        isDefault: Bool,
+        shortcutName: String? = nil,
+        shortcutICloudURL: URL? = nil
+    ) {
         self.id = id
         self.systemImage = systemImage
         self.titleKey = titleKey
+        self.cardTitleKey = cardTitleKey
+        self.descriptionKey = descriptionKey
+        self.kind = kind
+        self.isDefault = isDefault
+        self.shortcutName = shortcutName
+        self.shortcutICloudURL = shortcutICloudURL
     }
 }
 
@@ -23,31 +60,68 @@ public enum AIClipboardSkillCatalog: Sendable {
     public static let replyID = "reply"
     public static let summarizeID = "summarize"
     public static let translateID = "translate"
+    public static let extractTodosID = "extractTodos"
+    public static let extractTodosShortcutName = "OSG · 提取待办"
+    public static let extractTodosShortcutICloudURL = URL(
+        string: "https://www.icloud.com/shortcuts/520317da7ae74759b64d5fb069c71f81"
+    )!
 
-    /// Default set, in display order. Future skills append here.
-    public static let builtIn: [AIClipboardSkill] = [
+    /// Full built-in catalog, in a stable display order for the Skills tab.
+    public static let catalog: [AIClipboardSkill] = [
         AIClipboardSkill(
             id: replyID,
             systemImage: "arrowshape.turn.up.left.fill",
-            titleKey: "keyboard.ai.skill.reply"
+            titleKey: "keyboard.ai.skill.reply",
+            cardTitleKey: "skills.reply.name",
+            descriptionKey: "skills.reply.description",
+            kind: .transform,
+            isDefault: true
         ),
         AIClipboardSkill(
             id: summarizeID,
             systemImage: "doc.text.magnifyingglass",
-            titleKey: "keyboard.ai.skill.summarize"
+            titleKey: "keyboard.ai.skill.summarize",
+            cardTitleKey: "skills.summarize.name",
+            descriptionKey: "skills.summarize.description",
+            kind: .transform,
+            isDefault: true
         ),
         AIClipboardSkill(
             id: translateID,
             systemImage: "character.bubble.fill",
-            titleKey: "keyboard.ai.skill.translate"
+            titleKey: "keyboard.ai.skill.translate",
+            cardTitleKey: "skills.translate.name",
+            descriptionKey: "skills.translate.description",
+            kind: .transform,
+            isDefault: true
+        ),
+        AIClipboardSkill(
+            id: extractTodosID,
+            systemImage: "checklist",
+            titleKey: "keyboard.ai.skill.extractTodos",
+            cardTitleKey: "skills.extractTodos.name",
+            descriptionKey: "skills.extractTodos.description",
+            kind: .export,
+            isDefault: false,
+            shortcutName: extractTodosShortcutName,
+            shortcutICloudURL: extractTodosShortcutICloudURL
         ),
     ]
 
-    /// `enabledIDs` is the future Settings hook: `nil` keeps the built-in list.
+    /// Legacy alias: the three default transform skills used to be the whole list.
+    public static let builtIn: [AIClipboardSkill] = catalog
+
+    public static func skill(id: String) -> AIClipboardSkill? {
+        catalog.first { $0.id == id }
+    }
+
+    /// `enabledIDs` is the Skills-tab order. `nil` keeps the default three.
+    /// An explicit empty array shows no chips (carousel fallback).
     public static func visible(enabledIDs: [String]? = nil) -> [AIClipboardSkill] {
-        guard let enabledIDs, !enabledIDs.isEmpty else { return builtIn }
-        let byID = Dictionary(uniqueKeysWithValues: builtIn.map { ($0.id, $0) })
-        return enabledIDs.compactMap { byID[$0] }
+        let ids = enabledIDs ?? AIAgentSkillLayout.defaultEnabledIDs
+        guard !ids.isEmpty else { return [] }
+        let byID = Dictionary(uniqueKeysWithValues: catalog.map { ($0.id, $0) })
+        return ids.compactMap { byID[$0] }
     }
 
     public static func instruction(
@@ -102,6 +176,18 @@ public enum AIClipboardSkillCatalog: Sendable {
                 locale: locale,
                 translationTargetLocaleId: translationTargetLocaleId
             )
+        case extractTodosID:
+            return zh
+                ? """
+                请从剪贴板中只提取明确的待办事项。每条一行，只要标题，不要编号、不要项目符号、不要解释。最多 20 条。
+                若没有任何可执行的待办，只输出 NONE，不要把整段原文当成一条待办。
+                若原文本身就是一句短待办（例如「买牛奶」），输出那一句即可。
+                """
+                : """
+                Extract only explicit to-do items from the clipboard. One title per line; no numbering, bullets, or commentary. Maximum 20 lines.
+                If there are no actionable tasks, output NONE and nothing else. Do not treat the whole clipboard as one task.
+                If the clipboard itself is already one short task (for example "buy milk"), output that single line.
+                """
         default:
             return zh
                 ? "请根据剪贴板内容完成用户选择的操作。"