feat: 优化差旅报销预审流程与个人工作台 UI 体系

- 完善 user_agent_application 申请差旅报销预审槽位与消息组装
- 增强预算助理报告与风险建议卡片交互
- 重构登录页视觉样式与移动端响应式适配
- 优化个人工作台、文档中心、政策中心、员工管理等页面布局
- 拆分 travelRequestDetailPreReviewModel 为 advice/submit 模型
- 补充报销草稿、风险复核、Item Sync 与模板执行器测试覆盖

server/tests/test_orchestrator_review_flow.py

@@ -268,7 +268,7 @@ def test_review_next_step_blocked_returns_reasons_and_removes_next_step_action(
         assert result["draft_payload"]["status"] == "draft"
         assert response.conversation_id
         assert AgentConversationService(db).get_conversation(response.conversation_id) is not None
-        assert "AI预审暂未通过" in result["answer"]
+        assert "自动检测暂未通过" in result["answer"]
         assert "所属部门未完善" in result["answer"]
         assert "next_step" not in actions
         assert "save_draft" in actions
@@ -710,7 +710,7 @@ def test_orchestrator_application_session_does_not_use_reimbursement_scene_promp
         assert response.status == "blocked"
         assert response.trace_summary.scenario == "expense"
         assert "费用申请" in result["answer"]
-        assert "| 发生时间 | 2026-05-25" in result["answer"]
+        assert "| 行程时间 | 2026-05-25" in result["answer"]
         assert "请先在下面选择报销场景" not in result["answer"]
         assert result.get("review_payload") is None