Switch to unified AP activity bus

emit_event → emit_activity for order.created and order.paid events.
Update shared submodule.

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

bp/cart/services/check_sumup_status.py

@@ -1,5 +1,5 @@
 from shared.browser.app.payments.sumup import get_checkout as sumup_get_checkout
-from shared.events import emit_event
+from shared.events import emit_activity
 from shared.services.registry import services
 
 
@@ -17,10 +17,18 @@ async def check_sumup_status(session, order):
                 session, order.id, order.user_id, order.session_id
             )
             await services.calendar.confirm_tickets_for_order(session, order.id)
-            await emit_event(session, "order.paid", "order", order.id, {
-                "order_id": order.id,
-                "user_id": order.user_id,
-            })
+            await emit_activity(
+                session,
+                activity_type="rose:OrderPaid",
+                actor_uri="internal:cart",
+                object_type="rose:Order",
+                object_data={
+                    "order_id": order.id,
+                    "user_id": order.user_id,
+                },
+                source_type="order",
+                source_id=order.id,
+            )
     elif sumup_status == "FAILED":
         order.status = "failed"
     else:

bp/cart/services/checkout.py

@@ -13,7 +13,7 @@ from shared.models.page_config import PageConfig
 from shared.models.market_place import MarketPlace
 from shared.config import config
 from shared.contracts.dtos import CalendarEntryDTO
-from shared.events import emit_event
+from shared.events import emit_activity
 from shared.services.registry import services
 
 
@@ -166,11 +166,19 @@ async def create_order_from_cart(
         session, order.id, user_id, session_id, page_post_id
     )
 
-    await emit_event(session, "order.created", "order", order.id, {
-        "order_id": order.id,
-        "user_id": user_id,
-        "session_id": session_id,
-    })
+    await emit_activity(
+        session,
+        activity_type="Create",
+        actor_uri="internal:cart",
+        object_type="rose:Order",
+        object_data={
+            "order_id": order.id,
+            "user_id": user_id,
+            "session_id": session_id,
+        },
+        source_type="order",
+        source_id=order.id,
+    )
 
     return order