Fix ActivityDefinition sync for daily triage canary

tests/test_sync_activity_definitions.py

@@ -0,0 +1,43 @@
+import uuid
+
+from activity_core.models import ActivityDefinition
+from activity_core.sync_activity_definitions import _definition_uuid
+
+
+def test_definition_uuid_preserves_uuid_ids() -> None:
+    raw_id = "6fca51fa-387a-4fd0-bc4e-d62c29eb859a"
+
+    assert _definition_uuid(raw_id) == uuid.UUID(raw_id)
+
+
+def test_definition_uuid_maps_slug_ids_stably() -> None:
+    first = _definition_uuid("weekly-sbom-staleness")
+    second = _definition_uuid("weekly-sbom-staleness")
+
+    assert first == second
+    assert first.version == 5
+
+
+def test_activity_definition_accepts_adr_style_context_source_without_name() -> None:
+    defn = ActivityDefinition.model_validate(
+        {
+            "id": "6fca51fa-387a-4fd0-bc4e-d62c29eb859a",
+            "name": "Daily State Hub WSJF Triage",
+            "enabled": False,
+            "trigger_config": {
+                "trigger_type": "cron",
+                "cron_expression": "20 7 * * *",
+                "timezone": "Europe/Berlin",
+                "misfire_policy": "skip",
+            },
+            "context_sources": [
+                {
+                    "type": "state-hub",
+                    "query": "daily_triage_digest",
+                    "bind_to": "context.daily_triage_digest",
+                }
+            ],
+        }
+    )
+
+    assert defn.context_sources[0].name == ""