better

scripts/benchmark-planner.mjs

@@ -1,7 +1,11 @@
 import { readFile, writeFile } from 'node:fs/promises';
 import { createServer } from 'vite';
 
-const server = await createServer({ server: { middlewareMode: true }, appType: 'custom' });
+const server = await createServer({
+  server: { middlewareMode: true },
+  appType: 'custom',
+  optimizeDeps: { noDiscovery: true, include: [] },
+});
 try {
   const [{ planFlooring }, { planSkirting }, { plannerCases }, metrics] = await Promise.all([
     server.ssrLoadModule('/src/lib/flooring.ts'),
@@ -65,6 +69,22 @@ try {
       if (regressions.length) console.log(`${kind} regressions: ${regressions.join(', ')}`);
     }
     console.table(summary);
+    for (const kind of ['flooring', 'skirting']) {
+      const wastePercent = (rows) => {
+        const purchased = rows.reduce((total, row) => {
+          const { project } = cases.find((c) => c.name === row.name);
+          const size =
+            kind === 'flooring'
+              ? project.flooring.length * project.flooring.width
+              : project.skirting.stockLength;
+          return total + row[kind].boards * size;
+        }, 0);
+        return ((sum(rows, kind, 'waste') / purchased) * 100).toFixed(2);
+      };
+      console.log(
+        `${kind} waste: ${wastePercent(baseline)}% → ${wastePercent(results)}% (weighted by purchased stock)`,
+      );
+    }
     console.table(
       ['shapingCuts', 'ripCuts', 'patternPenalty', 'repeats', 'similarSteps', 'staircases'].map(
         (metric) => ({