feat: 财务看板口径重构与半年模拟数据及报销状态注册表

- 重构 finance_dashboard 口径计算，新增模拟公司画像数据生成与筛选
- 引入 expense_claim_status_registry 统一报销状态流转
- 完善报销草稿流程、Item Sync 与本体解析器
- 优化总览页趋势图、分页组件与请求进度步骤
- 增强报销申请快速预览、本体工具与详情展示
- 新增半年报销模拟数据种子脚本与状态审计工具
- 补充财务看板、报销状态注册与模拟数据测试覆盖

server/src/app/services/application_system_estimate.py

@@ -163,24 +163,13 @@ def build_application_system_estimate(
     lodging_display = format_application_money(lodging)
     allowance_display = format_application_money(allowance)
     total_display = format_application_money(total_amount)
-    band_label = {
-        "premium": "一线/高频城市",
-        "remote": "远途地区",
-        "coastal": "沿海城市",
-        "default": "普通城市",
-    }[location_band]
-    query_label = query_date or "出行日期待确认"
-
     return {
         "amount": f"{total_display}元",
         "lodging_daily_cap": f"{format_application_money(lodging_daily)}元/天",
         "subsidy_daily_cap": f"{format_application_money(allowance_daily)}元/天",
-        "transport_policy": (
-            f"已查询 {query_label} {mode}参考票价，按{band_label}往返 {transport_display}元预估"
-            f"（查询耗时 {simulated_latency_ms}ms），报销阶段按真实票据复核"
-        ),
+        "transport_policy": f"预估交通费用 {transport_display}元",
         "policy_estimate": (
-            f"交通 {transport_display}元（按 {query_label} 参考票价） + 住宿 {lodging_display}元"
+            f"交通 {transport_display}元 + 住宿 {lodging_display}元"
             f" + 补贴 {allowance_display}元 = {total_display}元（{days}天）"
         ),
         "matched_city": str(location or "").strip(),