fix(display): 证据金额去尾零与界面显示修复

- 证据接口与 CSV/XLSX 导出去掉 NUMERIC(44,24) 存储尺度尾零（无损精度）
- KPI 大金额折行截断：字号收紧 + nowrap + 省略号兜底
- 贡献分解/走势图表轴标签重叠与 Y 轴裁剪：hideOverlap + 万/亿缩写
- 表格隐藏全不可用指标列，空态改为条件渲染（修复空表覆盖层残留）
- 数据质量与字段字典/导入确认的中文标签映射（不再暴露内部键名）
- 证据弹窗重复点击当前期间停在加载中（F03）；证据表格最小宽度
- Playwright 覆盖 F03 重复点击与期间切换场景

finance/views.py

@@ -297,6 +297,14 @@ def query(request, dataset_id):
     return JsonResponse(analyze(ds, request.member, body(request), pref))
 
 
+def amount_text(value):
+    """金额展示文本：去掉定点数存储尺度产生的多余尾零（如 10.000000000000000000000000 → 10）。"""
+    if value is None:
+        return None
+    text = format(value.normalize(), "f")
+    return "0" if text == "-0" else text
+
+
 @endpoint(("POST",))
 def evidence(request, dataset_id):
     ds = dataset(request, dataset_id, True)
@@ -314,6 +322,9 @@ def evidence(request, dataset_id):
             "source_row", "period", "dimensions", "revenue", "cost", "gross", "raw"
         )
     )
+    for row in rows:
+        for field in ("revenue", "cost", "gross"):
+            row[field] = amount_text(row[field])
     # Raw patient/customer identifiers require an explicit administrator role.
     if request.member.role != "admin":
         for row in rows:
@@ -412,9 +423,9 @@ def export(request, dataset_id):
                     row.source_row,
                     row.period,
                     *[row.dimensions.get(d["key"], "") for d in dims],
-                    row.revenue,
-                    row.cost,
-                    row.gross,
+                    amount_text(row.revenue),
+                    amount_text(row.cost),
+                    amount_text(row.gross),
                 ]
             )
         if workbook: