```

refactor(core): 重构核心模块结构并更新导入路径

- 将配置相关的设置从 app.core.config 移除
- 将常量定义从 app.core.constants 移除
- 将数据库相关功能从 app.core.database 移除
- 将基础数据库模型从 app.core.db_base 移除
- 将敏感信息掩码功能从 app.core.masking 移除
- 将中间件定义从 app.core.middleware 移除
- 将操作保护功能从 app.core.operation_guard 移除
- 将分页工具从 app.core.pagination 移除
- 将请求上下文管理从 app.core.request_context 移除
- 将调度器功能从 app.core.scheduler 移除
- 将安全认证逻辑从 app.core.security 移除
- 将任务队列相关功能从 app.core.task_queue 移除
- 将时间工具从 app.core.time 移除
- 更新 alembic 配置中的 Base 模型导入路径
- 更新各模块中对重构后组件的引用路径
```

app/modules/events/models.py

@@ -4,8 +4,8 @@ from sqlalchemy import JSON, DateTime, Integer, String, Text
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.core.constants import ActorValue
-from app.core.db_base import Base
-from app.core.time import utc_now
+from app.core.database import Base
+from app.core.utils.time import utc_now
 from app.modules.events.constants import EventSource, EventStatus
 
 

app/modules/events/service.py

@@ -8,8 +8,8 @@ from sqlalchemy.orm import Session
 
 from app.core.config import get_settings
 from app.core.constants import ActorValue
-from app.core.pagination import bounded_limit
-from app.core.time import utc_now
+from app.core.http.pagination import bounded_limit
+from app.core.utils.time import utc_now
 from app.modules.audit.constants import (
     AuditAction,
     AuditRiskLevel,
@@ -189,13 +189,15 @@ class EventService:
 
     def retry_event(self, event_id: str, actor: str = ActorValue.API) -> DomainEvent:
         record = self.get_event(event_id)
-        if record.status == EventStatus.PROCESSED or not self._can_attempt(record):
+        if record.status == EventStatus.PROCESSED:
             raise HTTPException(
                 status_code=status.HTTP_409_CONFLICT,
                 detail=EventErrorDetail.EVENT_NOT_RETRYABLE,
             )
         record.status = EventStatus.PENDING
         record.actor = actor
+        record.attempts = 0
+        record.max_attempts = record.max_attempts or get_settings().event_dispatch_max_attempts
         record.last_error = None
         record.locked_by = None
         record.locked_until = None