```

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/reports.py

@@ -0,0 +1,49 @@
+from datetime import date, datetime
+
+from sqlalchemy import JSON, Date, DateTime, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.constants import ActorValue
+from app.core.database import Base
+from app.core.utils.time import utc_now
+from app.modules.business.constants import (
+    SourceSystem,
+    StatusValue,
+)
+from app.modules.business.models.common import TimestampMixin
+
+
+class WorkReport(Base, TimestampMixin):
+    __tablename__ = "work_reports"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    code: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    report_type: Mapped[str] = mapped_column(String(32), index=True)
+    title: Mapped[str] = mapped_column(String(255), index=True)
+    reporter: Mapped[str] = mapped_column(String(128), default=ActorValue.SYSTEM, index=True)
+    department: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
+    project_code: Mapped[str | None] = mapped_column(String(64), nullable=True, index=True)
+    period_start: Mapped[date] = mapped_column(Date, index=True)
+    period_end: Mapped[date] = mapped_column(Date, index=True)
+    content: Mapped[str] = mapped_column(Text)
+    metrics: Mapped[dict | None] = mapped_column(JSON, nullable=True)
+    risk_summary: Mapped[dict | None] = mapped_column(JSON, nullable=True)
+    status: Mapped[str] = mapped_column(String(64), default=StatusValue.GENERATED, index=True)
+    source_system: Mapped[str] = mapped_column(String(64), default=SourceSystem.INTERNAL)
+
+class ReportPushRun(Base, TimestampMixin):
+    __tablename__ = "report_push_runs"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    code: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    report_type: Mapped[str] = mapped_column(String(64), index=True)
+    title: Mapped[str | None] = mapped_column(String(255), nullable=True)
+    receive_id: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
+    receive_id_type: Mapped[str] = mapped_column(String(64), index=True)
+    status: Mapped[str] = mapped_column(String(32), index=True)
+    task_id: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
+    actor: Mapped[str] = mapped_column(String(128), default=ActorValue.SYSTEM, index=True)
+    provider_response: Mapped[dict | None] = mapped_column(JSON, nullable=True)
+    error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
+    queued_at: Mapped[datetime] = mapped_column(DateTime, default=utc_now, index=True)
+    sent_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)