revert: restore withdrawn receiver growth branch

Restore the contributor tree after the prepared maintenance follow-up was inadvertently pushed following PR closure. Keep all original and maintenance commits in history; no force push or main change.

src/domain/javascript/javascriptSemanticAnalysis.member_mutations.test.ts

@@ -644,13 +644,8 @@ describe("results of methods on an escaped receiver", () => {
       Math.min(
         ...[0, 1].map(() => {
           const start = performance.now();
-          const value = resultValue(body);
-          const elapsed = performance.now() - start;
-          expect(value).toMatchObject({
-            status: "array",
-            items: [{ value: { status: "unknown" } }],
-          });
-          return elapsed;
+          resultValue(body);
+          return performance.now() - start;
         }),
       );
     resultValue(receiverCalls(100));
@@ -659,5 +654,9 @@ describe("results of methods on an escaped receiver", () => {
     // re-expanding every method per call cost about 13-14x.
     const ratio = fastest(receiverCalls(1600)) / fastest(receiverCalls(400));
     expect(ratio).toBeLessThan(10);
+    expect(resultValue(receiverCalls(400))).toMatchObject({
+      status: "array",
+      items: [{ value: { status: "unknown" } }],
+    });
   }, 60000);
 });