Fix product data eval export format

skills/product-data/schemas/export_planning_eval_csv.input.schema.json

@@ -18,7 +18,15 @@
       "items": {"type": "string"},
       "default": ["location", "rag"]
     },
-    "complex_default": {"type": "boolean", "default": false},
+    "system_prompt": {
+      "type": "string",
+      "default": "你是小爱同学，中文智能语音助手。"
+    },
+    "complex_default": {
+      "type": "boolean",
+      "default": false,
+      "description": "Fallback only for legacy records missing dimensions.complex."
+    },
     "require_validation_ok": {"type": "boolean", "default": true},
     "overwrite": {"type": "boolean", "default": true}
   }

skills/product-data/schemas/normalize_dataset_draft.input.schema.json

@@ -3,7 +3,7 @@
   "properties": {
     "draft_text": {
       "type": "string",
-      "description": "Dataset draft text. Provide exactly one of draft_text or draft_path."
+      "description": "Dataset draft text. Each case should include complex: true/false. Provide exactly one of draft_text or draft_path."
     },
     "draft_path": {
       "type": "string",