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/theme-factory/themes/arctic-frost.md

@@ -0,0 +1,19 @@
+# Arctic Frost
+
+A cool and crisp winter-inspired theme that conveys clarity, precision, and professionalism.
+
+## Color Palette
+
+- **Ice Blue**: `#d4e4f7` - Light backgrounds and highlights
+- **Steel Blue**: `#4a6fa5` - Primary accent color
+- **Silver**: `#c0c0c0` - Metallic accent elements
+- **Crisp White**: `#fafafa` - Clean backgrounds and text
+
+## Typography
+
+- **Headers**: DejaVu Sans Bold
+- **Body Text**: DejaVu Sans
+
+## Best Used For
+
+Healthcare presentations, technology solutions, winter sports, clean tech, pharmaceutical content.