docs: add advanced skills for Vitest, Pinia, and Vue built-ins

Add comprehensive reference documentation for:
- Vitest: environments, projects/workspaces, type testing, vi utilities
- Pinia: HMR, Nuxt integration, SSR setup
- Vue: built-in components (Transition, Teleport, Suspense, KeepAlive) and advanced directives

.agents/skills/vueuse-functions/references/refAutoReset.md

@@ -0,0 +1,46 @@
+---
+category: Reactivity
+alias: autoResetRef
+---
+
+# refAutoReset
+
+A ref which will be reset to the default value after some time.
+
+## Usage
+
+```ts
+import { refAutoReset } from '@vueuse/core'
+
+const message = refAutoReset('default message', 1000)
+
+function setMessage() {
+  // here the value will change to 'message has set' but after 1000ms, it will change to 'default message'
+  message.value = 'message has set'
+}
+```
+
+::: info
+You can reassign the entire object to trigger updates after making deep mutations to the inner value.
+
+[Learn more about shallow refs →](https://vuejs.org/api/reactivity-advanced#shallowref)
+:::
+
+## Type Declarations
+
+```ts
+export type RefAutoResetReturn<T = any> = Ref<T>
+/**
+ * Create a ref which will be reset to the default value after some time.
+ *
+ * @see https://vueuse.org/refAutoReset
+ * @param defaultValue The value which will be set.
+ * @param afterMs      A zero-or-greater delay in milliseconds.
+ */
+export declare function refAutoReset<T>(
+  defaultValue: MaybeRefOrGetter<T>,
+  afterMs?: MaybeRefOrGetter<number>,
+): RefAutoResetReturn<T>
+/** @deprecated use `refAutoReset` instead */
+export declare const autoResetRef: typeof refAutoReset
+```