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/diagram-plantuml.md

@@ -0,0 +1,45 @@
+---
+name: plantuml
+description: Create UML diagrams from text descriptions
+---
+
+# PlantUML Diagrams
+
+Create UML diagrams from text descriptions.
+
+## Basic Usage
+
+````md
+```plantuml
+@startuml
+Alice -> Bob : Hello!
+@enduml
+```
+````
+
+## Server Configuration
+
+Default: Uses https://www.plantuml.com/plantuml
+
+Custom server in headmatter:
+
+```md
+---
+plantUmlServer: https://your-server.com/plantuml
+---
+```
+
+## Diagram Types
+
+- Sequence diagrams
+- Class diagrams
+- Activity diagrams
+- Component diagrams
+- State diagrams
+- Object diagrams
+- Use case diagrams
+
+## Resources
+
+- PlantUML docs: https://plantuml.com/
+- Live editor: https://plantuml.com/plantuml