feat: Complete fleet — 94 skills across 10+ domains

Pulled ALL skills from 15 source repositories:
- anthropics/skills: 16 (docs, design, MCP, testing)
- obra/superpowers: 14 (TDD, debugging, agents, planning)
- coreyhaines31/marketingskills: 25 (marketing, CRO, SEO, growth)
- better-auth/skills: 5 (auth patterns)
- vercel-labs/agent-skills: 5 (React, design, Vercel)
- antfu/skills: 16 (Vue, Vite, Vitest, pnpm, Turborepo)
- Plus 13 individual skills from various repos

Mosaic Stack is not limited to coding — the Orchestrator and
subagents serve coding, business, design, marketing, writing,
logistics, analysis, and more.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

skills/vueuse-functions/references/useFileDialog.md

@@ -0,0 +1,91 @@
+---
+category: Browser
+---
+
+# useFileDialog
+
+Open file dialog with ease.
+
+## Usage
+
+```vue
+<script setup lang="ts">
+import { useFileDialog } from '@vueuse/core'
+
+const { files, open, reset, onCancel, onChange } = useFileDialog({
+  accept: 'image/*', // Set to accept only image files
+  directory: true, // Select directories instead of files if set true
+})
+
+onChange((files) => {
+  /** do something with files */
+})
+
+onCancel(() => {
+  /** do something on cancel */
+})
+</script>
+
+<template>
+  <button type="button" @click="open">
+    Choose file
+  </button>
+</template>
+```
+
+## Type Declarations
+
+```ts
+export interface UseFileDialogOptions extends ConfigurableDocument {
+  /**
+   * @default true
+   */
+  multiple?: MaybeRef<boolean>
+  /**
+   * @default '*'
+   */
+  accept?: MaybeRef<string>
+  /**
+   * Select the input source for the capture file.
+   * @see [HTMLInputElement Capture](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/capture)
+   */
+  capture?: MaybeRef<string>
+  /**
+   * Reset when open file dialog.
+   * @default false
+   */
+  reset?: MaybeRef<boolean>
+  /**
+   * Select directories instead of files.
+   * @see [HTMLInputElement webkitdirectory](https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/webkitdirectory)
+   * @default false
+   */
+  directory?: MaybeRef<boolean>
+  /**
+   * Initial files to set.
+   * @default null
+   */
+  initialFiles?: Array<File> | FileList
+  /**
+   * The input element to use for file dialog.
+   * @default document.createElement('input')
+   */
+  input?: MaybeElementRef<HTMLInputElement>
+}
+export interface UseFileDialogReturn {
+  files: Ref<FileList | null>
+  open: (localOptions?: Partial<UseFileDialogOptions>) => void
+  reset: () => void
+  onChange: EventHookOn<FileList | null>
+  onCancel: EventHookOn
+}
+/**
+ * Open file dialog with ease.
+ *
+ * @see https://vueuse.org/useFileDialog
+ * @param options
+ */
+export declare function useFileDialog(
+  options?: UseFileDialogOptions,
+): UseFileDialogReturn
+```