feat(phase7): expose managerCheckInvalidApplications in Kotlin RPC layer

Add managerCheckInvalidApplications() to GetterService interface and
GetterServiceImpl, calling the new manager_check_invalid_applications
RPC method added to the Rust getter submodule.

Author: xz-dev

core-getter/rpc/src/main/java/net/xzos/upgradeall/getter/rpc/GetterService.kt

@@ -113,6 +113,9 @@ interface GetterService {
 
     suspend fun managerRenewAll(): Boolean
 
+    /** Return record IDs of saved apps whose configured hub UUIDs are all unknown. */
+    suspend fun managerCheckInvalidApplications(): List<String>
+
     // ========================================================================
     // Hub Manager
     // ========================================================================

core-getter/rpc/src/main/java/net/xzos/upgradeall/getter/rpc/GetterServiceImpl.kt

@@ -214,6 +214,9 @@ class GetterServiceImpl(
 
     override suspend fun managerRenewAll(): Boolean = client.invoke("manager_renew_all", typeOf<Boolean>())
 
+    override suspend fun managerCheckInvalidApplications(): List<String> =
+        client.invoke("manager_check_invalid_applications", typeOf<List<String>>())
+
     // ========================================================================
     // Hub Manager
     // ========================================================================