Add getSelfACI to manager

lib/src/main/java/org/asamk/signal/manager/Manager.java

@@ -91,6 +91,8 @@ public interface Manager extends Closeable {
 
     String getSelfNumber();
 
+    String getSelfACI();
+
     /**
      * This is used for checking a set of phone numbers for registration on Signal
      *

lib/src/main/java/org/asamk/signal/manager/internal/ManagerImpl.java

@@ -247,6 +247,11 @@ public class ManagerImpl implements Manager {
         return account.getNumber();
     }
 
+    @Override
+    public String getSelfACI() {
+        return account.getAci().toString();
+    }
+
     public void checkAccountState() throws IOException {
         context.getAccountHelper().checkAccountState();
         final var lastRecipientsRefresh = account.getLastRecipientsRefresh();

src/main/java/org/asamk/Signal.java

@@ -22,6 +22,8 @@ public interface Signal extends DBusInterface {
 
     String getSelfNumber();
 
+    String getSelfACI();
+
     void subscribeReceive();
 
     void unsubscribeReceive();

src/main/java/org/asamk/signal/dbus/DbusManagerImpl.java

@@ -113,6 +113,11 @@ public class DbusManagerImpl implements Manager {
         return signal.getSelfNumber();
     }
 
+    @Override
+    public String getSelfACI() {
+        return signal.getSelfACI();
+    }
+
     @Override
     public Map<String, UserStatus> getUserStatus(final Set<String> numbers) throws IOException {
         final var numbersList = new ArrayList<>(numbers);

src/main/java/org/asamk/signal/dbus/DbusSignalImpl.java

@@ -141,6 +141,11 @@ public class DbusSignalImpl implements Signal, AutoCloseable {
         return m.getSelfNumber();
     }
 
+    @Override
+    public String getSelfACI() {
+        return m.getSelfACI();
+    }
+
     @Override
     public void subscribeReceive() {
         if (dbusMessageHandler == null) {

src/test/java/org/asamk/signal/http/SseInitialFlushTest.java

@@ -123,6 +123,11 @@ class SseInitialFlushTest {
             return "+10000000000";
         }
 
+        @Override
+        public String getSelfACI() {
+            return "00000000-0000-0000-0000-000000000000";
+        }
+
         @Override
         public void addReceiveHandler(ReceiveMessageHandler handler, boolean isWeakListener) {
             // no-op

src/test/java/org/asamk/signal/jsonrpc/SubscribeCallEventsTest.java

@@ -120,6 +120,11 @@ class SubscribeCallEventsTest {
             return selfNumber;
         }
 
+        @Override
+        public String getSelfACI() {
+            return "00000000-0000-0000-0000-000000000000";
+        }
+
         // --- Stubs for remaining Manager interface methods ---
         @Override
         public Map<String, UserStatus> getUserStatus(Set<String> n) {