Add sendStory stubs to DbusManagerImpl and StubManager

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MR2KF56Qcf9qNH1URj3XWs

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

@@ -542,6 +542,11 @@ public class DbusManagerImpl implements Manager {
         return new SendMessageResults(timestamp, Map.of());
     }
 
+    @Override
+    public SendMessageResults sendStory(String attachment, boolean allowsReplies) {
+        return new SendMessageResults(0, Map.of());
+    }
+
     @Override
     public void sendEndSessionMessage(final Set<RecipientIdentifier.Single> recipients) throws IOException {
         signal.sendEndSessionMessage(recipients.stream().map(RecipientIdentifier.Single::getIdentifier).toList());

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

@@ -349,6 +349,11 @@ class SseInitialFlushTest {
             return null;
         }
 
+        @Override
+        public SendMessageResults sendStory(String attachment, boolean allowsReplies) {
+            return new SendMessageResults(0, Map.of());
+        }
+
         @Override
         public void hideRecipient(RecipientIdentifier.Single recipient) {
         }

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

@@ -367,6 +367,11 @@ class SubscribeCallEventsTest {
             return null;
         }
 
+        @Override
+        public SendMessageResults sendStory(String attachment, boolean allowsReplies) {
+            return new SendMessageResults(0, Map.of());
+        }
+
         @Override
         public void hideRecipient(RecipientIdentifier.Single r) {
         }