diff --git a/frontend/src/components/Common/UplotChart.tsx b/frontend/src/components/Common/UplotChart.tsx
index c3f2850..42a1055 100644
--- a/frontend/src/components/Common/UplotChart.tsx
+++ b/frontend/src/components/Common/UplotChart.tsx
@@ -270,6 +270,25 @@ export function UplotChart({
           // is not, and this must run exactly once per position.
           move: (self, left, top) =>
             refine(self.rect.width / self.over.clientWidth, left, top),
+          drag: {
+            // No drag-to-zoom. `setData` below re-ranges the scales from the
+            // data and runs on every render, so a dragged range was erased by
+            // the next reading — all it ever did here was flash a selection
+            // box over a live chart.
+            //
+            // Which also settles the guard that comes with it. uPlot swallows
+            // the click that ends a drag, and decides one happened by
+            // comparing the position it took at mousedown — refined through
+            // `cursor.move` — against the one it holds at mouseup, which it
+            // re-reads raw and never refines. On a scaled panel those never
+            // agree, so *every* click on a plot read as a drag and was
+            // stopped: a chart tile could not be selected by clicking the
+            // chart. With no drag there is no click to protect.
+            x: false,
+            y: false,
+            setScale: false,
+            click: () => {},
+          },
         },
         legend: {
           live: true,