perf: cut per-node and per-die work in the evaluator #336

bench/_cases.ts

@@ -81,6 +81,11 @@ export const BENCH_CASES: BenchCase[] = [
   { id: '100d6kh1', notation: '100d6kh1', tier: 'heavy' },
   { id: '100d6sa', notation: '100d6sa', tier: 'heavy' },
 
+  // Reroll and stacked modifiers at pool scale. Every other reroll case is 4
+  // dice, and nothing else here runs more than two pool passes over one pool.
+  { id: '100d10ro<3', notation: '100d10ro<3', tier: 'heavy', variableWork: true },
+  { id: '100d10kh50sd cs>8', notation: '100d10kh50sd cs>8', tier: 'heavy' },
+
   { id: '1000d6', notation: '1000d6', tier: 'pathological' },
 ];
 

src/evaluator/evaluator.test.ts

@@ -3293,10 +3293,8 @@ describe('evaluate', () => {
           { result: 6, sides: 10, modifiers: ['kept', 'success'], critical: false, fumble: false },
           { result: 1, sides: 10, modifiers: ['kept', 'failure'], critical: false, fumble: false },
         ],
-        expressionParts: [],
-        renderedParts: [],
       };
-      const parent: EvalContext = { rolls: [], expressionParts: [], renderedParts: [] };
+      const parent: EvalContext = { rolls: [] };
 
       mergeMetaRolls(parent, source);