feat(javascript): discover semantic call literals in feature traces (#7840)

* feat(javascript): discover semantic call literals in feature traces

* fix(javascript): bound retained call literals by transfer capacity

* test(javascript): align feature no-match diagnostic

src/domain/javascript/javascriptSemanticCallLiterals.ts

@@ -0,0 +1,25 @@
+import type { JavaScriptSemanticGraphNode } from "./javascriptSemanticGraphSchemas.js";
+
+/** Read retained direct call literals without interpreting other node properties. */
+export const semanticCallLiteralValues = (
+  node: JavaScriptSemanticGraphNode,
+): (string | number | boolean | null)[] => {
+  if (node.kind !== "call-site" || !Array.isArray(node.properties.arguments))
+    return [];
+  return node.properties.arguments.flatMap((argument) => {
+    if (
+      argument === null ||
+      typeof argument !== "object" ||
+      Array.isArray(argument) ||
+      !Object.hasOwn(argument, "value")
+    )
+      return [];
+    const value = argument.value;
+    return value === null ||
+      typeof value === "string" ||
+      typeof value === "number" ||
+      typeof value === "boolean"
+      ? [value]
+      : [];
+  });
+};