fix(query): show selected chart Y-axis fields

apps/desktop/src/components/chart/__tests__/QueryChartSelection.spec.ts

@@ -0,0 +1,14 @@
+import { readFileSync } from "node:fs";
+import { describe, expect, it } from "vitest";
+
+const queryChartSource = readFileSync(new URL("../QueryChart.vue", import.meta.url), "utf8");
+
+describe("QueryChart Y-axis selection", () => {
+  it("binds the visible checkbox state to the selected Y columns", () => {
+    expect(queryChartSource).toContain(':model-value="yColumnIndexes.includes(col.index)"');
+    expect(queryChartSource).toContain('@update:model-value="setYColumn(col.index, $event)"');
+    expect(queryChartSource).not.toContain(':checked="yColumnIndexes.includes(col.index)"');
+    expect(queryChartSource).not.toContain('@click="toggleYColumn(col.index)"');
+    expect(queryChartSource).not.toContain("CheckIcon");
+  });
+});