Develop labeling module (#25)

* refactor: remove db table management from LS adapter (mv to scripts later); change adapter to use the same MySQL DB as other modules.

* refactor: Rename LS Adapter module to datamate-python

runtime/datamate-python/app/models/collection/task_log.py

@@ -0,0 +1,26 @@
+from sqlalchemy import Column, String, Text, Integer, BigInteger, TIMESTAMP
+from sqlalchemy.sql import func
+from app.db.database import Base
+
+class TaskLog(Base):
+    """任务执行记录模型"""
+    
+    __tablename__ = "t_dc_task_log"
+    
+    id = Column(String(36), primary_key=True, comment="执行记录ID（UUID）")
+    task_id = Column(String(36), nullable=False, comment="任务ID")
+    task_name = Column(String(255), nullable=False, comment="任务名称")
+    sync_mode = Column(String(20), default='FULL', comment="同步模式：FULL/INCREMENTAL")
+    status = Column(String(20), default='RUNNING', comment="执行状态：RUNNING/SUCCESS/FAILED/STOPPED")
+    start_time = Column(TIMESTAMP, nullable=True, comment="开始时间")
+    end_time = Column(TIMESTAMP, nullable=True, comment="结束时间")
+    duration = Column(BigInteger, nullable=True, comment="执行时长(毫秒)")
+    process_id = Column(String(50), nullable=True, comment="进程ID")
+    log_path = Column(String(500), nullable=True, comment="日志文件路径")
+    error_msg = Column(Text, nullable=True, comment="错误信息")
+    result = Column(Text, nullable=True, comment="执行结果")
+    retry_times = Column(Integer, default=0, comment="重试次数")
+    create_time = Column(TIMESTAMP, server_default=func.current_timestamp(), comment="创建时间")
+    
+    def __repr__(self):
+        return f"<TaskLog(id={self.id}, task_id={self.task_id}, status={self.status})>"