feat: 新增产品处理流程监控功能

- 新增处理会话表(process_sessions)和步骤表(process_steps)
- 支持实时查看每个产品的处理步骤进度
- 支持暂停/继续/停止正在进行的处理
- 处理步骤包括：搜索内容库、搜索互联网、抓取网页、提取数据、填充字段、提交审核
- 新增处理监控页面 /process
- 每个步骤记录详细数据、耗时、状态
- 历史记录可查看每个步骤的执行详情

routes/process_monitor.py

@@ -0,0 +1,180 @@
+"""
+处理监控 API 路由
+"""
+from flask import Blueprint, jsonify, request
+from services.process_monitor import process_monitor, PROCESS_STEPS
+from models.database import db
+import logging
+
+logger = logging.getLogger('process_monitor_api')
+
+bp = Blueprint('process_monitor', __name__, url_prefix='/api/process')
+
+
+@bp.route('/steps', methods=['GET'])
+def get_step_definitions():
+    """获取处理步骤定义"""
+    return jsonify({
+        'success': True,
+        'steps': PROCESS_STEPS
+    })
+
+
+@bp.route('/start', methods=['POST'])
+def start_process():
+    """
+    启动产品处理流程
+    
+    请求体:
+    {
+        "product_name": "产品名称",
+        "category": "分类",
+        "subcategory": "子分类"
+    }
+    """
+    try:
+        data = request.get_json()
+        
+        product_name = data.get('product_name')
+        if not product_name:
+            return jsonify({'success': False, 'error': '缺少产品名称'}), 400
+        
+        category = data.get('category')
+        subcategory = data.get('subcategory')
+        
+        # 启动处理流程
+        session_id = process_monitor.start_process(product_name, category, subcategory)
+        
+        return jsonify({
+            'success': True,
+            'session_id': session_id,
+            'message': f'处理流程已启动: {product_name}'
+        })
+        
+    except Exception as e:
+        logger.error(f"启动处理流程失败: {e}")
+        return jsonify({'success': False, 'error': str(e)}), 500
+
+
+@bp.route('/<session_id>/status', methods=['GET'])
+def get_process_status(session_id):
+    """获取处理状态"""
+    status = process_monitor.get_session_status(session_id)
+    
+    if not status:
+        return jsonify({'success': False, 'error': '会话不存在'}), 404
+    
+    return jsonify({
+        'success': True,
+        'data': status
+    })
+
+
+@bp.route('/<session_id>/pause', methods=['POST'])
+def pause_process(session_id):
+    """暂停处理"""
+    if process_monitor.pause_session(session_id):
+        return jsonify({
+            'success': True,
+            'message': '处理已暂停'
+        })
+    else:
+        return jsonify({'success': False, 'error': '无法暂停'}), 400
+
+
+@bp.route('/<session_id>/resume', methods=['POST'])
+def resume_process(session_id):
+    """继续处理"""
+    if process_monitor.resume_session(session_id):
+        return jsonify({
+            'success': True,
+            'message': '处理已继续'
+        })
+    else:
+        return jsonify({'success': False, 'error': '无法继续'}), 400
+
+
+@bp.route('/<session_id>/stop', methods=['POST'])
+def stop_process(session_id):
+    """停止处理"""
+    if process_monitor.stop_session(session_id):
+        return jsonify({
+            'success': True,
+            'message': '处理已停止'
+        })
+    else:
+        return jsonify({'success': False, 'error': '无法停止'}), 400
+
+
+@bp.route('/active', methods=['GET'])
+def get_active_processes():
+    """获取活动的处理会话"""
+    sessions = db.get_active_sessions()
+    
+    # 获取每个会话的步骤信息
+    result = []
+    for session in sessions:
+        steps = db.get_process_steps(session['session_id'])
+        result.append({
+            'session': session,
+            'steps': steps
+        })
+    
+    return jsonify({
+        'success': True,
+        'sessions': result,
+        'count': len(result)
+    })
+
+
+@bp.route('/recent', methods=['GET'])
+def get_recent_processes():
+    """获取最近的处理会话"""
+    limit = request.args.get('limit', 20, type=int)
+    sessions = db.get_recent_sessions(limit)
+    
+    return jsonify({
+        'success': True,
+        'sessions': sessions,
+        'count': len(sessions)
+    })
+
+
+@bp.route('/<session_id>/steps', methods=['GET'])
+def get_process_steps(session_id):
+    """获取处理步骤详情"""
+    steps = db.get_process_steps(session_id)
+    
+    # 解析JSON字段
+    for step in steps:
+        if step.get('step_data'):
+            import json
+            try:
+                step['step_data'] = json.loads(step['step_data'])
+            except:
+                pass
+        if step.get('intervention_data'):
+            import json
+            try:
+                step['intervention_data'] = json.loads(step['intervention_data'])
+            except:
+                pass
+    
+    return jsonify({
+        'success': True,
+        'steps': steps
+    })
+
+
+@bp.route('/<session_id>/step/<int:step_num>', methods=['GET'])
+def get_step_detail(session_id, step_num):
+    """获取单个步骤详情"""
+    step = db.get_step_detail(session_id, step_num)
+    
+    if not step:
+        return jsonify({'success': False, 'error': '步骤不存在'}), 404
+    
+    return jsonify({
+        'success': True,
+        'step': step
+    })