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/useJwt.md

@@ -0,0 +1,57 @@
+---
+category: '@Integrations'
+---
+
+# useJwt
+
+Wrapper for [`jwt-decode`](https://github.com/auth0/jwt-decode).
+
+## Install
+
+```bash
+npm install jwt-decode@^4
+```
+
+## Usage
+
+```ts
+import { useJwt } from '@vueuse/integrations/useJwt'
+import { defineComponent } from 'vue'
+
+const encodedJwt = ref('eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwiaWF0IjoxNTE2MjM5MDIyfQ.L8i6g3PfcHlioHCCPURC9pmXT7gdJpx3kOoyAfNUwCc')
+const { header, payload } = useJwt(encodedJwt)
+```
+
+## Type Declarations
+
+```ts
+export interface UseJwtOptions<Fallback> {
+  /**
+   * Value returned when encounter error on decoding
+   *
+   * @default null
+   */
+  fallbackValue?: Fallback
+  /**
+   * Error callback for decoding
+   */
+  onError?: (error: unknown) => void
+}
+export interface UseJwtReturn<Payload, Header, Fallback> {
+  header: ComputedRef<Header | Fallback>
+  payload: ComputedRef<Payload | Fallback>
+}
+/**
+ * Reactive decoded jwt token.
+ *
+ * @see https://vueuse.org/useJwt
+ */
+export declare function useJwt<
+  Payload extends object = JwtPayload,
+  Header extends object = JwtHeader,
+  Fallback = null,
+>(
+  encodedJwt: MaybeRefOrGetter<string>,
+  options?: UseJwtOptions<Fallback>,
+): UseJwtReturn<Payload, Header, Fallback>
+```