feat: 步骤6提交审核改用智能体执行

- 新增步骤6任务模板(config/agent_submit_template.txt)
- 步骤6调用智能体hz4th_editor执行提交操作
- 智能体根据产品类别选择对应API接口提交数据
- 页面新增步骤6模板编辑面板，支持查看/编辑/保存/预览
- 修正步骤5标题为'填充字段'（去掉'并提交'）
- 新增API: GET/POST /api/process/submit-template

routes/process_monitor.py

@@ -338,3 +338,84 @@ def preview_fill_fields_template():
     except Exception as e:
         logger.error(f"预览填充字段模板失败: {e}")
         return jsonify({'success': False, 'error': str(e)}), 500
+
+
+# ===== 步骤6提交审核模板 API =====
+
+SUBMIT_TEMPLATE_FILE = os.path.join(TEMPLATE_DIR, 'agent_submit_template.txt')
+
+
+@bp.route('/submit-template', methods=['GET'])
+def get_submit_template():
+    """获取步骤6提交审核任务文本模板"""
+    try:
+        if os.path.exists(SUBMIT_TEMPLATE_FILE):
+            with open(SUBMIT_TEMPLATE_FILE, 'r', encoding='utf-8') as f:
+                template = f.read()
+            return jsonify({
+                'success': True,
+                'template': template
+            })
+        else:
+            return jsonify({
+                'success': False,
+                'error': '模板文件不存在'
+            }), 404
+    except Exception as e:
+        logger.error(f"获取提交模板失败: {e}")
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@bp.route('/submit-template', methods=['POST'])
+def save_submit_template():
+    """保存步骤6提交审核任务文本模板"""
+    try:
+        data = request.get_json()
+        template = data.get('template', '')
+        
+        if not template:
+            return jsonify({'success': False, 'error': '模板内容不能为空'}), 400
+        
+        os.makedirs(TEMPLATE_DIR, exist_ok=True)
+        with open(SUBMIT_TEMPLATE_FILE, 'w', encoding='utf-8') as f:
+            f.write(template)
+        
+        return jsonify({
+            'success': True,
+            'message': '模板已保存'
+        })
+    except Exception as e:
+        logger.error(f"保存提交模板失败: {e}")
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@bp.route('/submit-template/preview', methods=['POST'])
+def preview_submit_template():
+    """预览填充后的步骤6任务文本"""
+    try:
+        data = request.get_json()
+        product_name = data.get('product_name', '示例产品')
+        category = data.get('category', '示例类别')
+        subcategory = data.get('subcategory', '示例子类别')
+        product_data = data.get('product_data', '{"name": "示例产品", "visible": true}')
+        
+        # 读取模板
+        if os.path.exists(SUBMIT_TEMPLATE_FILE):
+            with open(SUBMIT_TEMPLATE_FILE, 'r', encoding='utf-8') as f:
+                template = f.read()
+        else:
+            return jsonify({'success': False, 'error': '模板文件不存在'}), 404
+        
+        # 填充示例数据
+        filled = template.replace('{{product_name}}', product_name)
+        filled = filled.replace('{{category}}', category)
+        filled = filled.replace('{{subcategory}}', subcategory or '无')
+        filled = filled.replace('{{product_data}}', product_data)
+        
+        return jsonify({
+            'success': True,
+            'preview': filled
+        })
+    except Exception as e:
+        logger.error(f"预览提交模板失败: {e}")
+        return jsonify({'success': False, 'error': str(e)}), 500