feat(keyboard): add clipboard AI skills, hint keywords, and voice session fixes

Idle chips show entities with category icons; a fresh copy surfaces Reply/Summarize/Translate; abort/cancel/empty-tap no longer leave the mic stuck.

OSGKeyboardShared/Models/TranslationLanguage.swift

@@ -25,6 +25,45 @@ public struct TranslationLanguage: Identifiable, Hashable, Sendable {
         self.promptLanguageName = promptLanguageName
         self.nativeName = nativeName
     }
+
+    /// One-character Chinese token for compact chips such as「中译英」.
+    public var chineseShort: String {
+        switch id {
+        case "en": return "英"
+        case "zh-Hans": return "中"
+        case "zh-Hant": return "繁"
+        case "ja": return "日"
+        case "ko": return "韩"
+        case "fr": return "法"
+        case "de": return "德"
+        case "es": return "西"
+        case "ru": return "俄"
+        case "pt": return "葡"
+        default: return nativeName
+        }
+    }
+
+    /// Country-style English code for compact chips such as「To JP」.
+    public var englishShort: String {
+        switch id {
+        case "en": return "EN"
+        case "zh-Hans": return "CN"
+        case "zh-Hant": return "TW"
+        case "ja": return "JP"
+        case "ko": return "KR"
+        case "fr": return "FR"
+        case "de": return "DE"
+        case "es": return "ES"
+        case "ru": return "RU"
+        case "pt": return "PT"
+        default: return id.uppercased()
+        }
+    }
+
+    /// True when this target is a Chinese script (简体 or 繁體).
+    public var isChineseScript: Bool {
+        id == "zh-Hans" || id == "zh-Hant"
+    }
 }
 
 public enum TranslationLanguageCatalog {