Inline federation publication for products

Replace emit_event("product.listed") with direct try_publish().
Update shared submodule.

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

bp/api/routes.py

@@ -292,17 +292,19 @@ async def _create_product_from_payload(session: AsyncSession, payload: Dict[str,
     _replace_children(p, payload)
     await session.flush()
 
-    # Emit federation event for new products
-    from shared.events import emit_event
-    await emit_event(
+    # Publish to federation inline
+    from shared.services.federation_publish import try_publish
+    await try_publish(
         session,
-        event_type="product.listed",
-        aggregate_type="Product",
-        aggregate_id=p.id,
-        payload={
-            "title": p.title or "",
-            "description": getattr(p, "description", "") or "",
+        user_id=getattr(p, "user_id", None),
+        activity_type="Create",
+        object_type="Object",
+        object_data={
+            "name": p.title or "",
+            "summary": getattr(p, "description", "") or "",
         },
+        source_type="Product",
+        source_id=p.id,
     )
 
     return p