fix(workbench): tighten bundle chunk matching

Author: bb-connor

apps/workbench/build/workbench-chunking.ts

@@ -14,10 +14,14 @@ function normalizeModuleId(id: string) {
 
 export function matchesNodeModulePackage(id: string, packageName: string) {
   const normalizedId = normalizeModuleId(id);
-  return (
-    normalizedId.includes(`/node_modules/${packageName}/`) ||
-    normalizedId.includes(`/node_modules/${packageName}`)
-  );
+  const packageRoot = `/node_modules/${packageName}`;
+  const packageIndex = normalizedId.indexOf(packageRoot);
+  if (packageIndex === -1) {
+    return false;
+  }
+
+  const remainder = normalizedId.slice(packageIndex + packageRoot.length);
+  return remainder === "" || remainder.startsWith("/") || remainder.startsWith("?");
 }
 
 export function resolveWorkbenchManualChunk(id: string) {

apps/workbench/src/__tests__/workbench-chunking.test.ts

@@ -32,6 +32,14 @@ describe("workbench chunking", () => {
     ).toBeUndefined();
   });
 
+  it("does not let package prefixes override more specific chunk groups", () => {
+    expect(
+      resolveWorkbenchManualChunk(
+        "/repo/apps/workbench/node_modules/three-stdlib/math/CurveModifier.js",
+      ),
+    ).toBe("vendor-r3f");
+  });
+
   it("leaves unrelated modules ungrouped", () => {
     expect(
       resolveWorkbenchManualChunk(