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/cleaning/operator_instance.py

@@ -0,0 +1,15 @@
+from sqlalchemy import Column, String, Integer, Text
+from app.db.database import Base
+
+class OperatorInstance(Base):
+    """算子实例模型"""
+    
+    __tablename__ = "t_operator_instance"
+    
+    instance_id = Column(String(256), primary_key=True, comment="实例ID")
+    operator_id = Column(String(256), primary_key=True, comment="算子ID")
+    op_index = Column(Integer, primary_key=True, comment="算子索引")
+    settings_override = Column(Text, nullable=True, comment="配置覆盖")
+    
+    def __repr__(self):
+        return f"<OperatorInstance(instance_id={self.instance_id}, operator_id={self.operator_id}, index={self.op_index})>"