Restore UI functionalities and clean up dependencies

backendia/dashboard/node_modules/next/dist/server/lib/cpu-profile.d.ts

@@ -0,0 +1,8 @@
+/**
+ * Save the CPU profile to disk.
+ *
+ * This is synchronous despite the callback-based API because inspector's
+ * session.post() executes its callback synchronously when connected to
+ * the same process (via session.connect()).
+ */
+export declare function saveCpuProfile(): void;