feat: 新增风险图谱算法与系统仪表盘及操作反馈体系

后端新增风险图谱算法模块、风险观察与反馈服务、规则 DSL
校验器和可解释性引擎，完善系统仪表盘和财务仪表盘统计，
优化 agent 运行和编排执行链路，清理旧开发文档，前端新增
系统趋势、负载热力图等多种仪表盘图表组件，完善操作反馈
对话框和工作台日期选择器，优化报销创建和审批详情交互，
补充单元测试覆盖。

server/src/app/services/agent_foundation_constants.py

@@ -90,6 +90,12 @@ DIGITAL_EMPLOYEE_SKILL_CATEGORIES = ("积累", "升级", "整理", "评估")
 
 DIGITAL_EMPLOYEE_FINANCE_POLICY_TASK_CODE = "task.hermes.finance_policy_knowledge_organize"
 
+DIGITAL_EMPLOYEE_RISK_GRAPH_SCAN_TASK_CODE = "task.hermes.global_risk_scan"
+
+DIGITAL_EMPLOYEE_PROFILE_SCAN_TASK_CODE = "task.hermes.employee_behavior_profile_scan"
+
+DIGITAL_EMPLOYEE_RULE_DISCOVERY_TASK_CODE = "task.hermes.risk_rule_discovery"
+
 DIGITAL_EMPLOYEE_LEGACY_TASK_CODES = (
     "task.hermes.daily_risk_scan",
     "task.hermes.weekly_ar_summary",
@@ -100,6 +106,9 @@ DIGITAL_EMPLOYEE_LEGACY_TASK_CODES = (
 
 DIGITAL_EMPLOYEE_TASK_CATEGORY_MAP = {
     DIGITAL_EMPLOYEE_FINANCE_POLICY_TASK_CODE: "整理",
+    DIGITAL_EMPLOYEE_RISK_GRAPH_SCAN_TASK_CODE: "评估",
+    DIGITAL_EMPLOYEE_PROFILE_SCAN_TASK_CODE: "评估",
+    DIGITAL_EMPLOYEE_RULE_DISCOVERY_TASK_CODE: "升级",
 }
 
 ATTACHMENT_RULE_RUNTIME_CONFIG = {