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/vue-testing-best-practices/SKILL.md

@@ -0,0 +1,29 @@
+---
+name: vue-testing-best-practices
+version: 1.0.0
+license: MIT
+author: github.com/vuejs-ai
+description: Use for Vue.js testing. Covers Vitest, Vue Test Utils, component testing, mocking, testing patterns, and Playwright for E2E testing.
+---
+
+Vue.js testing best practices, patterns, and common gotchas.
+
+### Testing
+- Setting up test infrastructure for Vue 3 projects → See [testing-vitest-recommended-for-vue](reference/testing-vitest-recommended-for-vue.md)
+- Tests keep breaking when refactoring component internals → See [testing-component-blackbox-approach](reference/testing-component-blackbox-approach.md)
+- Tests fail intermittently with race conditions → See [testing-async-await-flushpromises](reference/testing-async-await-flushpromises.md)
+- Composables using lifecycle hooks or inject fail to test → See [testing-composables-helper-wrapper](reference/testing-composables-helper-wrapper.md)
+- Getting "injection Symbol(pinia) not found" errors in tests → See [testing-pinia-store-setup](reference/testing-pinia-store-setup.md)
+- Components with async setup won't render in tests → See [testing-suspense-async-components](reference/testing-suspense-async-components.md)
+- Snapshot tests keep passing despite broken functionality → See [testing-no-snapshot-only](reference/testing-no-snapshot-only.md)
+- Choosing end-to-end testing framework for Vue apps → See [testing-e2e-playwright-recommended](reference/testing-e2e-playwright-recommended.md)
+- Tests need to verify computed styles or real DOM events → See [testing-browser-vs-node-runners](reference/testing-browser-vs-node-runners.md)
+- Testing components created with defineAsyncComponent fails → See [async-component-testing](reference/async-component-testing.md)
+- Teleported modal content can't be found in wrapper queries → See [teleport-testing-complexity](reference/teleport-testing-complexity.md)
+
+## Reference
+
+- [Vue.js Testing Guide](https://vuejs.org/guide/scaling-up/testing)
+- [Vue Test Utils](https://test-utils.vuejs.org/)
+- [Vitest Documentation](https://vitest.dev/)
+- [Playwright Documentation](https://playwright.dev/)