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/vercel-react-native-skills/rules/_sections.md

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+# Sections
+
+This file defines all sections, their ordering, impact levels, and descriptions.
+The section ID (in parentheses) is the filename prefix used to group rules.
+
+---
+
+## 1. Core Rendering (rendering)
+
+**Impact:** CRITICAL  
+**Description:** Fundamental React Native rendering rules. Violations cause
+runtime crashes or broken UI.
+
+## 2. List Performance (list-performance)
+
+**Impact:** HIGH  
+**Description:** Optimizing virtualized lists (FlatList, LegendList, FlashList)
+for smooth scrolling and fast updates.
+
+## 3. Animation (animation)
+
+**Impact:** HIGH  
+**Description:** GPU-accelerated animations, Reanimated patterns, and avoiding
+render thrashing during gestures.
+
+## 4. Scroll Performance (scroll)
+
+**Impact:** HIGH  
+**Description:** Tracking scroll position without causing render thrashing.
+
+## 5. Navigation (navigation)
+
+**Impact:** HIGH  
+**Description:** Using native navigators for stack and tab navigation instead of
+JS-based alternatives.
+
+## 6. React State (react-state)
+
+**Impact:** MEDIUM  
+**Description:** Patterns for managing React state to avoid stale closures and
+unnecessary re-renders.
+
+## 7. State Architecture (state)
+
+**Impact:** MEDIUM  
+**Description:** Ground truth principles for state variables and derived values.
+
+## 8. React Compiler (react-compiler)
+
+**Impact:** MEDIUM  
+**Description:** Compatibility patterns for React Compiler with React Native and
+Reanimated.
+
+## 9. User Interface (ui)
+
+**Impact:** MEDIUM  
+**Description:** Native UI patterns for images, menus, modals, styling, and
+platform-consistent interfaces.
+
+## 10. Design System (design-system)
+
+**Impact:** MEDIUM  
+**Description:** Architecture patterns for building maintainable component
+libraries.
+
+## 11. Monorepo (monorepo)
+
+**Impact:** LOW  
+**Description:** Dependency management and native module configuration in
+monorepos.
+
+## 12. Third-Party Dependencies (imports)
+
+**Impact:** LOW  
+**Description:** Wrapping and re-exporting third-party dependencies for
+maintainability.
+
+## 13. JavaScript (js)
+
+**Impact:** LOW  
+**Description:** Micro-optimizations like hoisting expensive object creation.
+
+## 14. Fonts (fonts)
+
+**Impact:** LOW  
+**Description:** Native font loading for improved performance.