Complete reversible 1C saved-state prepare workflow

plugins/1c/mcp/adapter_1c_mcp.py

@@ -394,6 +394,32 @@ TOOLS = [
                         "mode": "plan",
                     },
                 },
+                {
+                    "method": "metadata.write",
+                    "payload": {
+                        "base_id": "<base_id-from-project-context>",
+                        "target": {
+                            "area": "object",
+                            "ref": "Справочник.<object-name>",
+                            "property": "synonym",
+                        },
+                        "value": "<new-synonym>",
+                        "mode": "plan",
+                    },
+                },
+                {
+                    "method": "metadata.write",
+                    "payload": {
+                        "base_id": "<base_id-from-project-context>",
+                        "target": {
+                            "area": "object",
+                            "operation": "add_attribute",
+                            "template_member_ref": "Справочник.<object-name>.Реквизит.<template-attribute>",
+                            "new_member_name": "<new-attribute-name>",
+                        },
+                        "mode": "plan",
+                    },
+                },
                 {
                     "method": "metadata.form.command_button.write",
                     "payload": {