fix(javascript): preserve uncertain with-scope member writes (#7914)

* fix(javascript): preserve uncertain with-scope member writes

* fix: retain nested initializer candidates

* fix(javascript): admit initializer values in worker transport

* fix(tests): remove duplicate MCP test imports

src/domain/javascript/javascriptSemanticProjection.ts

@@ -20,6 +20,7 @@ import {
 } from "./javascriptSemanticTraversal.js";
 import {
   evaluateSemanticBinding,
+  evaluateSemanticExpression,
   evaluateSemanticProvenance,
 } from "./javascriptSemanticValues.js";
 import { range } from "./javascriptStaticAnalysisHelpers.js";
@@ -268,6 +269,17 @@ export const immutableSemanticBindings = (
       mutable: binding.mutable,
       definitions: binding.definitions,
       value: evaluateSemanticBinding(binding, state),
+      ...(binding.memberWrites.length > 0 &&
+      binding.initializers.length === 1 &&
+      binding.initializers[0]?.projection.length === 0
+        ? {
+            initializerValue: evaluateSemanticExpression(
+              binding.initializers[0].node,
+              state,
+              binding.initializers[0].node,
+            ),
+          }
+        : {}),
       provenance: evaluateSemanticProvenance(binding, state),
     }))
     .sort((left, right) =>