修复AGC配置测试字段

同步配置测试夹具使用 selected_model_id

移除已删除的 model_profiles 与 selected_model_profile_id 字段

apps/ai-game-creator-shell/src-tauri/src/tests/configuration.rs

@@ -737,8 +737,7 @@ fn app_config_commands_write_runtime_config_file() {
         },
         agent_llm,
         planning: GameCreatorPlanningConfig::default(),
-        model_profiles: Vec::new(),
-        selected_model_profile_id: "default".to_string(),
+        selected_model_id: "default".to_string(),
     })
     .expect("write runtime config");
 
@@ -824,8 +823,7 @@ fn app_config_write_rejects_invalid_api_kind() {
         editor_api: GameCreatorEditorApiConfig::default(),
         agent_llm: BTreeMap::new(),
         planning: GameCreatorPlanningConfig::default(),
-        model_profiles: Vec::new(),
-        selected_model_profile_id: "default".to_string(),
+        selected_model_id: "default".to_string(),
     });
 
     assert!(result
@@ -851,8 +849,7 @@ fn app_config_write_rejects_invalid_reasoning_effort() {
         editor_api: GameCreatorEditorApiConfig::default(),
         agent_llm: BTreeMap::new(),
         planning: GameCreatorPlanningConfig::default(),
-        model_profiles: Vec::new(),
-        selected_model_profile_id: "default".to_string(),
+        selected_model_id: "default".to_string(),
     });
 
     assert!(result
@@ -878,8 +875,7 @@ fn app_config_write_rejects_too_small_request_timeout() {
         editor_api: GameCreatorEditorApiConfig::default(),
         agent_llm: BTreeMap::new(),
         planning: GameCreatorPlanningConfig::default(),
-        model_profiles: Vec::new(),
-        selected_model_profile_id: "default".to_string(),
+        selected_model_id: "default".to_string(),
     });
 
     assert!(result