```

feat: 添加AI记忆模块和事件调度系统

- 新增AI记忆模块，支持本地记忆召回和自动写入功能
- 实现事件调度系统，支持批量处理待定事件和重试机制
- 集成心跳监控机制，跟踪API、调度器和工作节点状态
- 扩展仪表板数据统计，包含AI记忆条目和心跳概要
- 添加企业运营分析报告功能，提供财务、采购等多维度分析
- 更新配置设置，增加事件调度和AI记忆相关参数
- 优化任务队列，添加事件分发任务类型
- 扩展审计日志，记录AI记忆操作和事件调度行为
- 实现领域事件模型，支持事件持久化和状态管理
- 添加观察性服务，监控系统组件健康状况
```

app/modules/ai_memory/constants.py

@@ -0,0 +1,55 @@
+from enum import StrEnum
+
+
+class AIMemoryScope(StrEnum):
+    GLOBAL = "global"
+    PROJECT = "project"
+    DEPARTMENT = "department"
+    USER = "user"
+
+
+class AIMemoryStatus(StrEnum):
+    ACTIVE = "active"
+    ARCHIVED = "archived"
+    REJECTED = "rejected"
+
+
+class AIMemorySource(StrEnum):
+    AUTO = "auto"
+    HERMES = "hermes"
+    API = "api"
+
+
+class AIMemoryResponseKey(StrEnum):
+    ITEMS = "items"
+    DATA = "data"
+    TOTAL = "total"
+
+
+class AIMemoryPayloadKey(StrEnum):
+    CODE = "code"
+    SCOPE = "scope"
+    SUBJECT = "subject"
+    CONTENT = "content"
+    SUMMARY = "summary"
+    TAGS = "tags"
+    SOURCE = "source"
+    IMPORTANCE = "importance"
+    STATUS = "status"
+    QUERY = "query"
+    LIMIT = "limit"
+    COUNT = "count"
+    REJECTED_REASON = "rejected_reason"
+
+
+class AIMemoryText(StrEnum):
+    DEFAULT_SCOPE = "global"
+    DEFAULT_SUBJECT = "company"
+    AUTO_TAG = "auto"
+    REJECTED_SECRET = "secret-like content rejected"
+
+
+AI_MEMORY_CODE_PREFIX = "MEM"
+AI_MEMORY_MAX_CONTENT_LENGTH = 2000
+AI_MEMORY_MAX_SUMMARY_LENGTH = 500
+AI_MEMORY_MIN_AUTO_WRITE_LENGTH = 12