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.
2026-08-13 18:20:42 +08:00
parent ff99b7bff1
commit 148ff807f2
33 changed files with 1628 additions and 23 deletions
@@ -0,0 +1,82 @@
+// AITodoExtraction.swift
+// OSGKeyboard · Shared
+//
+// Parses the LLM's extract-todos reply into reminder titles. Fail closed:
+// empty / NONE / "no tasks" never become a Shortcut run. A single long
+// echo of the clipboard is also rejected so the model cannot dump the
+// whole paste as one reminder.
+
+import Foundation
+
+public enum AITodoExtraction: Sendable {
+    public static let maximumItems = 20
+
+    private static let emptyTokens: Set<String> = [
+        "none", "no", "n/a", "na", "nil", "null",
+        "无", "没有", "没有待办", "没有待办事项", "无待办", "无待办事项",
+        "no tasks", "no task", "no todos", "no to-dos", "no to-do",
+        "no actionable items", "no action items",
+    ]
+
+    /// Titles to send to the companion Shortcut. Empty → do not run it.
+    public static func items(from raw: String, sourceClipboard: String? = nil) -> [String] {
+        let trimmed = raw.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !trimmed.isEmpty else { return [] }
+        if isEmptyToken(trimmed) { return [] }
+
+        var seen = Set<String>()
+        var items: [String] = []
+        for line in trimmed.components(separatedBy: .newlines) {
+            let title = stripBullet(line)
+            guard !title.isEmpty, !isEmptyToken(title) else { continue }
+            let key = title.lowercased()
+            guard seen.insert(key).inserted else { continue }
+            items.append(title)
+            if items.count == maximumItems { break }
+        }
+
+        if items.count == 1, isWholeClipboardEcho(items[0], source: sourceClipboard) {
+            return []
+        }
+        return items
+    }
+
+    private static func isEmptyToken(_ text: String) -> Bool {
+        let folded = text
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+            .trimmingCharacters(in: CharacterSet(charactersIn: "。.!！"))
+            .lowercased()
+        return emptyTokens.contains(folded)
+    }
+
+    private static func stripBullet(_ line: String) -> String {
+        var text = line.trimmingCharacters(in: .whitespacesAndNewlines)
+        let prefixes = ["- ", "* ", "• ", "、"]
+        for prefix in prefixes where text.hasPrefix(prefix) {
+            text = String(text.dropFirst(prefix.count))
+                .trimmingCharacters(in: .whitespacesAndNewlines)
+        }
+        if let dotted = text.range(of: #"^\d+[\.\)、]\s*"#, options: .regularExpression) {
+            text = String(text[dotted.upperBound...])
+                .trimmingCharacters(in: .whitespacesAndNewlines)
+        }
+        return text
+    }
+
+    /// One long line that is essentially the clipboard body is not a todo.
+    private static func isWholeClipboardEcho(_ item: String, source: String?) -> Bool {
+        guard let source, source.count > 80, item.count > 80 else { return false }
+        let a = collapse(item)
+        let b = collapse(source)
+        guard !a.isEmpty, !b.isEmpty else { return false }
+        if a == b { return true }
+        return a.contains(b) || b.contains(a)
+    }
+
+    private static func collapse(_ text: String) -> String {
+        text.components(separatedBy: .whitespacesAndNewlines)
+            .filter { !$0.isEmpty }
+            .joined(separator: " ")
+            .lowercased()
+    }
+}