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/slidev/references/editor-side.md

@@ -0,0 +1,23 @@
+---
+name: side-editor
+description: Edit slides source alongside the presentation
+---
+
+# Integrated Editor
+
+Edit slides source alongside the presentation.
+
+## Open Editor
+
+Click the edit icon in the navigation panel.
+
+## Features
+
+- Live reload on changes
+- Auto-save to file
+- Side-by-side editing
+- Syntax highlighting
+
+## Use Case
+
+Make quick edits during presentation preparation without switching applications.