fix(dev): consolidate generated cache directories

packages/dev-server/test/authz-startserver.test.ts

@@ -63,14 +63,14 @@ export default defineAuthz({ permissions: { "post:read": { title: "View posts" }
     try {
       expect(hasAuthzCatalog()).toBe(true);
       expect(getAuthzCatalog().permissions.has("post:read")).toBe(true);
-      const cacheDir = join(appDir, "..", `.wrnexus-${process.pid}`);
+      const cacheDir = join(appDir, "..", ".wrnexus", "cache");
       mkdirSync(cacheDir, { recursive: true });
       writeFileSync(join(cacheDir, "generated.js"), "generated", "utf8");
       expect(existsSync(cacheDir)).toBe(true);
     } finally {
       server.stop();
     }
-    expect(existsSync(join(appDir, "..", `.wrnexus-${process.pid}`))).toBe(false);
+    expect(existsSync(join(appDir, "..", ".wrnexus", "cache"))).toBe(false);
   });
 
   test("an app with no app/authz declarations boots without throwing", async () => {

packages/dev-server/test/cache-ignore-config.test.ts

@@ -18,7 +18,7 @@ test("per-process dev caches are excluded from root and example project tools",
   const projects = ["basic-app", "inter-app-api-showcase"].map((name) =>
     join(root, "examples", name),
   );
-  const caches = projects.map((project) => join(project, ".wrnexus-123"));
+  const caches = projects.map((project) => join(project, ".wrnexus", "cache"));
 
   for (const project of projects) {
     const projectEslint = readFileSync(join(project, "eslint.config.js"), "utf8");