style(backend): apply ruff format

apps/backend/models/check_in_record.py

@@ -10,21 +10,39 @@ class CheckInRecord(Base):
     __tablename__ = "check_in_records"
 
     id = Column(Integer, primary_key=True, index=True, autoincrement=True)
-    task_id = Column(Integer, ForeignKey("check_in_tasks.id", ondelete="CASCADE"), nullable=False, index=True, comment="任务 ID")
-    status = Column(String(20), nullable=False, index=True, comment="状态: success/failure/out_of_time/unknown/pending")
+    task_id = Column(
+        Integer,
+        ForeignKey("check_in_tasks.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+        comment="任务 ID",
+    )
+    status = Column(
+        String(20),
+        nullable=False,
+        index=True,
+        comment="状态: success/failure/out_of_time/unknown/pending",
+    )
     response_text = Column(Text, default="", comment="响应文本")
     error_message = Column(Text, default="", comment="错误信息")
     location = Column(Text, default="{}", comment="位置信息 JSON")
-    trigger_type = Column(String(50), default="scheduled", comment="触发类型: scheduled/manual/admin")
-    check_in_time = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), index=True, comment="打卡时间（UTC）")
+    trigger_type = Column(
+        String(50), default="scheduled", comment="触发类型: scheduled/manual/admin"
+    )
+    check_in_time = Column(
+        DateTime(timezone=True),
+        default=lambda: datetime.now(timezone.utc),
+        index=True,
+        comment="打卡时间（UTC）",
+    )
 
     # 关联任务
     task = relationship("CheckInTask", back_populates="check_in_records")
 
     # 添加复合索引：加速常见查询
     __table_args__ = (
-        Index('ix_record_task_time', 'task_id', 'check_in_time'),  # 获取任务的打卡记录(按时间排序)
-        Index('ix_record_status_time', 'status', 'check_in_time'),  # 按状态和时间查询
+        Index("ix_record_task_time", "task_id", "check_in_time"),  # 获取任务的打卡记录(按时间排序)
+        Index("ix_record_status_time", "status", "check_in_time"),  # 按状态和时间查询
     )
 
     def __repr__(self):