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

tests/e2e/workspace.spec.ts

@@ -30,7 +30,9 @@ test("桌面：真实导入、异常、下钻、证据、设置、Copilot、导
   });
   await uploaded;
   const dialog = page.getByRole("dialog");
-  await expect(dialog.getByRole("heading", { name: "确认导入字段" })).toBeVisible();
+  await expect(
+    dialog.getByRole("heading", { name: "确认导入字段" }),
+  ).toBeVisible();
   await dialog.getByRole("button", { name: "确认并导入" }).click();
   await expect(
     page.getByRole("heading", { name: "集团经营总览", exact: true }),
@@ -85,7 +87,14 @@ test("桌面：真实导入、异常、下钻、证据、设置、Copilot、导
   await expect(evidenceDialog).toContainText("1 条");
   await expect(evidenceDialog).toContainText("2026-08");
   await expect(evidenceDialog).toContainText("CSV");
-  await evidenceDialog.getByRole("button", { name: "基期", exact: true }).click();
+  await evidenceDialog
+    .getByRole("button", { name: "本期", exact: true })
+    .click();
+  await expect(evidenceDialog).toContainText("2026-08");
+  await expect(evidenceDialog).not.toContainText("加载中");
+  await evidenceDialog
+    .getByRole("button", { name: "基期", exact: true })
+    .click();
   await expect(evidenceDialog).toContainText("2025-08");
   await evidenceDialog.getByLabel("关闭", { exact: true }).click();
   const evidenceOffsets: number[] = [];
@@ -111,10 +120,17 @@ test("桌面：真实导入、异常、下钻、证据、设置、Copilot、导
   });
   await page.getByLabel("查看医生A证据", { exact: true }).click();
   await expect(evidenceDialog).toContainText("第 1-50 条，共 51 条");
-  await evidenceDialog.getByRole("button", { name: "下一页", exact: true }).click();
+  await evidenceDialog
+    .getByRole("button", { name: "下一页", exact: true })
+    .click();
   await expect(evidenceDialog).toContainText("第 51-51 条，共 51 条");
   await expect(evidenceDialog).toContainText("2026-09");
   expect(evidenceOffsets).toEqual([0, 50]);
+  await evidenceDialog
+    .getByRole("button", { name: "基期", exact: true })
+    .click();
+  await expect(evidenceDialog).toContainText("第 1-50 条，共 51 条");
+  await expect(evidenceDialog).not.toContainText("2026-09");
   await evidenceDialog.getByLabel("关闭", { exact: true }).click();
   await page
     .getByRole("navigation", { name: "分析路径" })

tests/test_finance.py

@@ -133,6 +133,35 @@ def test_evidence_pagination_returns_stable_pages_and_rejects_invalid_bounds(wor
         assert response.status_code == 400
 
 
+def test_evidence_amounts_trim_storage_scale(workspace):
+    from decimal import Decimal
+
+    from finance.views import amount_text
+
+    assert amount_text(Decimal("10.000000000000000000000000")) == "10"
+    assert amount_text(Decimal("10.500000000000000000000000")) == "10.5"
+    assert amount_text(Decimal("0E-24")) == "0"
+    assert amount_text(None) is None
+
+    ds, _, client, *_ = workspace
+    response = client.post(
+        f"/api/datasets/{ds.pk}/evidence",
+        data={
+            "start": "2026-08",
+            "end": "2026-08",
+            "comparison": "yoy",
+            "group": "department",
+            "side": "current",
+            "limit": 1,
+        },
+        content_type="application/json",
+    )
+    row = response.json()["rows"][0]
+    assert row["revenue"] == "80"
+    assert row["cost"] == "30"
+    assert row["gross"] == "50"
+
+
 def test_settings_revision_and_invalid_metric_are_rejected(workspace):
     ds, _, client, *_ = workspace
     url = f"/api/datasets/{ds.pk}/settings"
@@ -169,8 +198,8 @@ def test_csv_export_neutralizes_formula_injection_and_preserves_exact_values(wor
     assert response.streaming
     content = b"".join(response.streaming_content).decode("utf-8-sig")
     assert "'=1+1" in content
-    assert ",-10.000000000000000000000000," in content
-    assert "'-10.000000000000000000000000" not in content
+    assert ",'-10,5,'-15" in content
+    assert "00000000000000" not in content
     assert "traceiq-evidence.csv" in response["Content-Disposition"]
 
     xlsx = client.post(