fix: resolve lifecycle memory leaks by cleaning up listeners and root closures (#25049)

packages/cli/src/utils/cleanup.ts

@@ -24,10 +24,24 @@ export function registerCleanup(fn: (() => void) | (() => Promise<void>)) {
   cleanupFunctions.push(fn);
 }
 
+export function removeCleanup(fn: (() => void) | (() => Promise<void>)) {
+  const index = cleanupFunctions.indexOf(fn);
+  if (index !== -1) {
+    cleanupFunctions.splice(index, 1);
+  }
+}
+
 export function registerSyncCleanup(fn: () => void) {
   syncCleanupFunctions.push(fn);
 }
 
+export function removeSyncCleanup(fn: () => void) {
+  const index = syncCleanupFunctions.indexOf(fn);
+  if (index !== -1) {
+    syncCleanupFunctions.splice(index, 1);
+  }
+}
+
 /**
  * Resets the internal cleanup state for testing purposes.
  * This allows tests to run in isolation without vi.resetModules().