test(gateway): align local execution fixtures with routing

apps/aether-gateway/src/data/state/testing/mod.rs

@@ -897,34 +897,6 @@ impl GatewayDataState {
         self
     }
 
-    /// Attach the minimal enabled system-default strategy needed by request
-    /// execution tests. Production startup creates this row during database
-    /// bootstrap; isolated test data states bypass that startup path.
-    #[cfg(test)]
-    pub(crate) fn with_default_routing_group_for_tests(self) -> Self {
-        use aether_data::repository::routing_profiles::InMemoryRoutingGroupRepository;
-        use aether_data_contracts::repository::routing_profiles::StoredRoutingGroup;
-
-        let repository = Arc::new(InMemoryRoutingGroupRepository::seed(
-            vec![StoredRoutingGroup {
-                id: "test-system-default".to_string(),
-                name: "test-system-default".to_string(),
-                description: None,
-                enabled: true,
-                is_system_default: true,
-                sort_order: 0,
-                config_json: serde_json::json!({}),
-                version: 1,
-                created_at: 1,
-                updated_at: 1,
-                published_at: None,
-            }],
-            Vec::new(),
-            Vec::new(),
-        ));
-        self.with_routing_group_repository_for_tests(repository)
-    }
-
     #[cfg(test)]
     pub(crate) fn with_system_default_routing_group_for_tests(self) -> Self {
         let now = 1;

apps/aether-gateway/src/state/testing.rs

@@ -27,7 +27,7 @@ impl AppState {
             && !data_state.has_routing_group_reader()
             && !data_state.has_routing_group_writer()
         {
-            data_state.with_default_routing_group_for_tests()
+            data_state.with_system_default_routing_group_for_tests()
         } else {
             data_state
         };

apps/aether-gateway/src/tests/ai_execute/finalize_local_cli/cross_format.rs

@@ -413,7 +413,7 @@ async fn gateway_executes_openai_responses_cross_format_upstream_stream_via_loca
             "output_text": "Hello Gemini CLI",
             "output": [{
                 "type": "message",
-                "id": "upstream-cli-stream-123_msg",
+                "id": openai_responses_message_item_id("upstream-cli-stream-123", 0),
                 "role": "assistant",
                 "status": "completed",
                 "content": [{
@@ -882,7 +882,7 @@ async fn gateway_executes_openai_responses_cross_format_function_call_upstream_s
             "output": [
                 {
                     "type": "message",
-                    "id": "upstream-cli-tool-123_msg",
+                    "id": openai_responses_message_item_id("upstream-cli-tool-123", 0),
                     "role": "assistant",
                     "status": "completed",
                     "content": [{