Inline federation publication for calendar entries

Replace emit_event("calendar_entry.created") with direct try_publish().
Update shared submodule.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bp/calendar_entries/services/entries.py

@@ -95,20 +95,21 @@ async def add_entry(
     sess.add(entry)
     await sess.flush()
 
-    # Emit federation event
+    # Publish to federation inline
     if entry.user_id:
-        from shared.events import emit_event
-        await emit_event(
+        from shared.services.federation_publish import try_publish
+        await try_publish(
             sess,
-            event_type="calendar_entry.created",
-            aggregate_type="CalendarEntry",
-            aggregate_id=entry.id,
-            payload={
-                "user_id": entry.user_id,
-                "title": entry.name or "",
-                "start_time": entry.start_at.isoformat() if entry.start_at else "",
-                "end_time": entry.end_at.isoformat() if entry.end_at else "",
+            user_id=entry.user_id,
+            activity_type="Create",
+            object_type="Event",
+            object_data={
+                "name": entry.name or "",
+                "startTime": entry.start_at.isoformat() if entry.start_at else "",
+                "endTime": entry.end_at.isoformat() if entry.end_at else "",
             },
+            source_type="CalendarEntry",
+            source_id=entry.id,
         )
 
     return entry