```

refactor(core,ai): 调整模块导入路径并移除废弃文件

- 修复 scheduler.py 中的导入路径错误，将 reports.service
  改为 reports.services
- 移除废弃的 app/core/background/task_queue.py 文件
- 移除废弃的 app/modules/ai_agent/adapters.py 文件
- 修复 ai_memory/service.py 中的导入路径错误，将
  events.service 改为 events.services
```

app/modules/business/models/__init__.py

@@ -0,0 +1,27 @@
+from app.modules.business.models.attendance import AttendanceRecord
+from app.modules.business.models.finance import Expense, FundAccount, Procurement
+from app.modules.business.models.governance import PerformanceMetric, Policy, Standard
+from app.modules.business.models.legacy import LegacySyncRun
+from app.modules.business.models.projects import Project, WorkTask
+from app.modules.business.models.reports import ReportPushRun, WorkReport
+from app.modules.business.models.risks import RiskEvent, RiskEventAction
+from app.modules.business.models.suppliers import Supplier
+
+
+__all__ = [
+    "AttendanceRecord",
+    "Expense",
+    "FundAccount",
+    "LegacySyncRun",
+    "PerformanceMetric",
+    "Policy",
+    "Procurement",
+    "Project",
+    "ReportPushRun",
+    "RiskEvent",
+    "RiskEventAction",
+    "Standard",
+    "Supplier",
+    "WorkReport",
+    "WorkTask",
+]