```

feat: 添加数据库迁移脚本并更新Dockerfile配置

- 在Dockerfile中添加alembic配置文件和目录的复制指令
- 更新alembic/env.py注册新的模块模型：events、workflows、writebacks
- 生成完整的初始数据库schema迁移脚本，包含以下表：
  - approval_requests, attendance_records, audit_logs, domain_events
  - expenses, feishu_event_receipts, fund_accounts, legacy_sync_runs
  - official_writeback_runs, performance_metrics, policies, procurements
  - projects, report_push_runs, risk_event_actions, risk_events
  - standards, suppliers, work_reports, work_tasks, workflow_actions
  - workflow_instances等21个数据表结构定义
- 在API路由器中添加新模块的路由：events、workflows、writebacks、observability
```

app/modules/reports/constants.py

@@ -34,6 +34,10 @@ class ReportPushKey(StrEnum):
     STATUS = "status"
 
 
+class ReportErrorDetail(StrEnum):
+    PUSH_RUN_NOT_FOUND = "Report push run not found"
+
+
 class LifecycleSection(StrEnum):
     HEALTH = "health"
     PROJECTS = "projects"