fix: preload player rating history to fix first-click chart render (#10)

public/js/players.js

@@ -26,23 +26,31 @@ function applyDeltaPill(pillEl, value) {
     pillEl.appendChild(numSpan);
 }
 
+function initChartsIn(rootEl) {
+    rootEl.querySelectorAll('.player-chart').forEach(function(container) {
+        if (container.dataset.charted === 'true') return;
+        if (!container.dataset.history) return;
+        try {
+            const history = JSON.parse(container.dataset.history);
+            createRatingChart(container, history);
+            container.dataset.charted = 'true';
+        } catch (e) {
+            console.error('Error rendering chart:', e);
+        }
+    });
+}
+
 function setupTooltipsAfterSwap() {
     document.body.addEventListener('htmx:afterSwap', function(event) {
-        if (event.detail.target.id === 'ratings-table') {
-            initRatingsTooltips();
-        }
-        // After player history partial loads, render the chart
         const target = event.detail.target;
+        if (target.id === 'ratings-table') {
+            initRatingsTooltips();
+            initChartsIn(target);  // initial table render — chart any pre-loaded .player-chart
+            return;
+        }
+        // refreshRatingHistory still re-fetches into #history-content-<id>
         if (target.id && target.id.startsWith('history-content-')) {
-            const container = target.querySelector('.player-chart, .chart-container');
-            if (container && container.dataset.history) {
-                try {
-                    const history = JSON.parse(container.dataset.history);
-                    createRatingChart(container, history);
-                } catch (e) {
-                    console.error('Error rendering chart:', e);
-                }
-            }
+            initChartsIn(target);
         }
     });
 }