feat: 报销审批流重构与管家计划全链路贯通

- 重构报销状态注册表、审批流路由与平台风险标记
- 完善管家意图规划器与模型计划构建器全链路
- 新增 OCR Worker 脚本、数据库会话管理与通知状态
- 优化文档中心、日志视图、预算中心与员工管理交互
- 增强工作台摘要、图标资源与全局主题样式
- 补充审批路由、状态注册、OCR 服务与管家规划器测试覆盖

server/tests/test_expense_claim_approval_routing.py

@@ -16,7 +16,7 @@ from app.models.financial_record import ExpenseClaim
 from app.models.organization import OrganizationUnit
 from app.models.role import Role
 from app.services.expense_claim_workflow_constants import (
-    APPROVAL_DONE_STAGE,
+    APPLICATION_LINK_STATUS_STAGE,
     BUDGET_MANAGER_APPROVAL_STAGE,
     DIRECT_MANAGER_APPROVAL_STAGE,
     FINANCE_APPROVAL_STAGE,
@@ -147,7 +147,7 @@ def test_low_risk_application_skips_budget_manager_and_generates_draft() -> None
 
         assert approved is not None
         assert approved.status == "approved"
-        assert approved.approval_stage == APPROVAL_DONE_STAGE
+        assert approved.approval_stage == APPLICATION_LINK_STATUS_STAGE
         assert db.query(ExpenseClaim).filter(ExpenseClaim.claim_no.like("RE-%")).count() == 1
         assert any(
             isinstance(flag, dict)
@@ -160,7 +160,7 @@ def test_low_risk_application_skips_budget_manager_and_generates_draft() -> None
         assert any(
             isinstance(flag, dict)
             and flag.get("source") == "manual_approval"
-            and flag.get("next_approval_stage") == APPROVAL_DONE_STAGE
+            and flag.get("next_approval_stage") == APPLICATION_LINK_STATUS_STAGE
             and flag.get("route_decision", {}).get("requires_budget_review") is False
             for flag in approved.risk_flags_json
         )
@@ -218,7 +218,7 @@ def test_budget_warning_application_still_skips_budget_manager_when_not_over_bud
 
         assert approved is not None
         assert approved.status == "approved"
-        assert approved.approval_stage == APPROVAL_DONE_STAGE
+        assert approved.approval_stage == APPLICATION_LINK_STATUS_STAGE
         assert any(
             isinstance(flag, dict)
             and flag.get("source") == "approval_routing"
@@ -285,7 +285,7 @@ def test_application_route_ignores_reimbursement_stage_current_risks() -> None:
 
         assert approved is not None
         assert approved.status == "approved"
-        assert approved.approval_stage == APPROVAL_DONE_STAGE
+        assert approved.approval_stage == APPLICATION_LINK_STATUS_STAGE
         route_flag = [
             flag
             for flag in approved.risk_flags_json