Re-run on current array state after sort completion instead of reshuffling

Author: mszula

src/lib/components/SortPanel.svelte

@@ -67,6 +67,18 @@
   export const resetPanel = () => {
     initialize();
   };
+
+  /**
+   * Re-arm the generator on the CURRENT working array (no copy from baseArray).
+   * Used when the user clicks Start after a previous run finished — they
+   * expect the algorithm to run on whatever the array currently looks like
+   * (typically sorted), not to silently reshuffle back to the starting state.
+   */
+  export const restart = () => {
+    instance = algorithm.function(workingArray);
+    stats = emptyStats();
+    isDone = false;
+  };
 </script>
 
 <div class="flex flex-1 min-w-0 min-h-0">

src/routes/+page.svelte

@@ -67,8 +67,12 @@
 
   const beginNewRunIfNeeded = () => {
     if (runCompleted) {
-      panelA?.resetPanel();
-      if (compareMode) panelB?.resetPanel();
+      // restart() re-arms the generator on the CURRENT working array (already
+      // sorted from the previous run) instead of copying baseArray back.
+      // Otherwise a Start click after completion would silently re-shuffle and
+      // re-sort instead of running on the visible state.
+      panelA?.restart();
+      if (compareMode) panelB?.restart();
       runCompleted = false;
     }
   };