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/core-headmatter.md

@@ -0,0 +1,188 @@
+---
+name: headmatter
+description: Deck-wide configuration options in the first frontmatter block
+---
+
+# Headmatter Configuration
+
+Deck-wide configuration options in the first frontmatter block.
+
+## Theme & Appearance
+
+```yaml
+---
+theme: default              # Theme package or path
+colorSchema: auto           # 'auto' | 'light' | 'dark'
+favicon: /favicon.ico       # Favicon URL
+aspectRatio: 16/9           # Slide aspect ratio
+canvasWidth: 980            # Canvas width in px
+---
+```
+
+## Fonts
+
+```yaml
+---
+fonts:
+  sans: Roboto
+  serif: Roboto Slab
+  mono: Fira Code
+  provider: google          # 'google' | 'none'
+---
+```
+
+## Code & Highlighting
+
+```yaml
+---
+highlighter: shiki          # Code highlighter
+lineNumbers: false          # Show line numbers
+monaco: true                # Enable Monaco editor ('true' | 'dev' | 'build')
+twoslash: true              # Enable TwoSlash
+monacoTypesSource: local    # 'local' | 'cdn' | 'none'
+---
+```
+
+## Features
+
+```yaml
+---
+drawings:
+  enabled: true             # Enable drawing mode
+  persist: false            # Save drawings
+  presenterOnly: false      # Only presenter can draw
+  syncAll: true             # Sync across instances
+record: dev                 # Enable recording
+selectable: true            # Text selection
+contextMenu: true           # Right-click menu
+wakeLock: true              # Prevent screen sleep
+---
+```
+
+## Export & Build
+
+```yaml
+---
+download: false             # PDF download button
+exportFilename: slides      # Export filename
+export:
+  format: pdf
+  timeout: 30000
+  withClicks: false
+  withToc: false
+---
+```
+
+## Info & SEO
+
+```yaml
+---
+title: My Presentation
+titleTemplate: '%s - Slidev'
+author: Your Name
+keywords: slidev, presentation
+info: |
+  ## About
+  Presentation description
+---
+```
+
+## SEO Meta Tags
+
+```yaml
+---
+seoMeta:
+  ogTitle: Presentation Title
+  ogDescription: Description
+  ogImage: https://example.com/og.png
+  ogUrl: https://example.com
+  twitterCard: summary_large_image
+  twitterTitle: Title
+  twitterDescription: Description
+  twitterImage: https://example.com/twitter.png
+---
+```
+
+## Addons & Themes
+
+```yaml
+---
+theme: seriph
+addons:
+  - excalidraw
+  - '@slidev/plugin-notes'
+---
+```
+
+## Theme Configuration
+
+```yaml
+---
+themeConfig:
+  primary: '#5d8392'
+  # Theme-specific options
+---
+```
+
+## Defaults
+
+Set default frontmatter for all slides:
+
+```yaml
+---
+defaults:
+  layout: default
+  transition: fade
+---
+```
+
+## HTML Attributes
+
+```yaml
+---
+htmlAttrs:
+  dir: ltr
+  lang: en
+---
+```
+
+## Presenter & Browser
+
+```yaml
+---
+presenter: true             # 'true' | 'dev' | 'build'
+browserExporter: dev        # 'true' | 'dev' | 'build'
+routerMode: history         # 'history' | 'hash'
+---
+```
+
+## Remote Assets
+
+```yaml
+---
+remoteAssets: false         # Download remote assets locally
+plantUmlServer: https://www.plantuml.com/plantuml
+---
+```
+
+## Full Template
+
+```yaml
+---
+theme: default
+title: Presentation Title
+author: Your Name
+highlighter: shiki
+lineNumbers: true
+transition: slide-left
+aspectRatio: 16/9
+canvasWidth: 980
+fonts:
+  sans: Roboto
+  mono: Fira Code
+drawings:
+  enabled: true
+  persist: true
+download: true
+---
+```