fix(calc-02): update stack labels for navigation and move modes

samples/calc-02/index.css

@@ -123,10 +123,7 @@ body {
 	padding-block: 0;
 }
 
-.stack-label {
-	text-align: right;
-	opacity: 0.78;
-}
+/* removed extra first-column styling */
 
 .stack-value {
 	min-height: 0;

samples/calc-02/index.js

@@ -137,9 +137,9 @@ function getStackDisplayValue(label) {
 }
 
 function getVisibleStackLabel(label) {
-	if (stackMode === 'navigation') {
+	if (stackMode === 'navigation' || stackMode === 'move') {
 		const indexMap = { X: 0, Y: 1, Z: 2, T: 3 };
-		return String(stackSelection + indexMap[label]);
+		return String(indexMap[label]);
 	}
 	return label;
 }
@@ -147,7 +147,12 @@ function getVisibleStackLabel(label) {
 function updateStackLabels() {
 	const stackLabels = ['T', 'Z', 'Y', 'X'];
 	for (const label of stackLabels) {
-		stackEls[label].dataset.label = getVisibleStackLabel(label);
+		const stackCell = stackEls[label].parentElement;
+		if (!stackCell) continue;
+		const labelEl = stackCell.querySelector('.stack-label');
+		if (labelEl) {
+			labelEl.textContent = `${getVisibleStackLabel(label)}:`;
+		}
 	}
 }
 
@@ -193,10 +198,6 @@ function render() {
 	modeButton.textContent = calc.angleMode;
 }
 
-function stackModeToLabel(index) {
-	return ['X', 'Y', 'Z', 'T'][Math.max(0, Math.min(3, index))] ?? 'X';
-}
-
 function stopEditing(clearValue = false) {
 	if (clearValue) {
 		calc.inputValue = '';