feat(typing): wire PersonalDictionary into Chinese Pinyin via Rime sidecar

Redeploy an osg_personal import table on dictionary add/delete/sync so
Chinese, English typing, and ASR share one curated lexicon (next keyboard open).

OSGKeyboardShared/Models/PersonalDictionary.swift

@@ -1,9 +1,10 @@
 // PersonalDictionary.swift
 // OSGKeyboard · Shared
 //
-// User-curated list of terms the LLM must never rewrite. Persisted
-// in the App Group (JSON-encoded) so both the main app's Settings
-// UI and the keyboard extension's LLM call read the same data.
+// User-curated list of terms shared across polish, ASR bias, English
+// typing hotwords, and (via host Rime redeploy) Chinese Pinyin candidates.
+// Persisted in the App Group (JSON-encoded) so the main app, keyboard
+// extension, and host deploy pipeline read the same data.
 //
 // Sources (mutually exclusive per entry):
 //   - `.manual`     user typed it in by hand

OSGKeyboardShared/Models/TypingInputConfiguration.swift

@@ -78,6 +78,7 @@ public final class TypingInputConfiguration: ObservableObject {
         static let rememberLastSurface = "typing.input.rememberLastSurface"
         static let lastSurface = "typing.input.lastSurface"
         static let resourceVersion = "typing.rime.resourceVersion"
+        static let personalDictionaryFingerprint = "typing.rime.personalDictionaryFingerprint"
     }
 
     private let defaults: UserDefaults
@@ -187,6 +188,21 @@ public final class TypingInputConfiguration: ObservableObject {
         (defaults ?? AppGroup.defaultsIfAvailable)?.set(value, forKey: Key.resourceVersion)
     }
 
+    nonisolated public static func installedPersonalDictionaryFingerprint(
+        defaults: UserDefaults? = nil
+    ) -> String? {
+        (defaults ?? AppGroup.defaultsIfAvailable)?
+            .string(forKey: Key.personalDictionaryFingerprint)
+    }
+
+    nonisolated public static func setInstalledPersonalDictionaryFingerprint(
+        _ value: String,
+        defaults: UserDefaults? = nil
+    ) {
+        (defaults ?? AppGroup.defaultsIfAvailable)?
+            .set(value, forKey: Key.personalDictionaryFingerprint)
+    }
+
     private func persistIfReady() {
         guard !isHydrating else { return }
         defaults.set(schema.rawValue, forKey: Key.schema)