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/tests/test_openapi_schema.py

@@ -13,6 +13,8 @@ def test_openapi_schema_includes_documented_backend_routes() -> None:
     assert any(tag["name"] == "ocr" for tag in schema["tags"])
     assert any(tag["name"] == "ontology" for tag in schema["tags"])
     assert any(tag["name"] == "orchestrator" for tag in schema["tags"])
+    assert any(tag["name"] == "agent-feedback" for tag in schema["tags"])
+    assert any(tag["name"] == "analytics" for tag in schema["tags"])
 
     agent_assets_post = schema["paths"]["/api/v1/agent-assets"]["post"]
     assert agent_assets_post["summary"] == "创建 Agent 资产"
@@ -40,5 +42,12 @@ def test_openapi_schema_includes_documented_backend_routes() -> None:
     assert orchestrator_run_post["summary"] == "运行 Orchestrator 统一调度"
     assert "application/json" in orchestrator_run_post["requestBody"]["content"]
 
+    feedback_post = schema["paths"]["/api/v1/agent-feedback"]["post"]
+    assert feedback_post["summary"] == "记录 Agent 操作评价"
+    assert "application/json" in feedback_post["requestBody"]["content"]
+
+    analytics_get = schema["paths"]["/api/v1/analytics/system-dashboard"]["get"]
+    assert analytics_get["summary"] == "查询系统看板真实指标"
+
     root_get = schema["paths"]["/"]["get"]
     assert root_get["summary"] == "服务根检查"