feat: 701 community skills + docs update

Added 623 new skills from skills.sh leaderboard (14 repos):
- google-labs-code/stitch-skills (react:components, design-md, stitch-loop, enhance-prompt, shadcn-ui)
- expo/skills (building-native-ui, native-data-fetching, expo-tailwind-setup, 7 more)
- xixu-me/skills (github-actions-docs, readme-i18n, use-my-browser, 6 more)
- anthropics/skills (algorithmic-art, web-artifacts-builder, theme-factory, brand-guidelines, 14 more)
- github/awesome-copilot (git-commit, gh-cli, prd, documentation-writer, 130+ more)
- firecrawl/cli (firecrawl, firecrawl-scrape, firecrawl-browser, 5 more)
- inferen-sh/skills (web-search, python-executor, ai-image-generation, ai-video-generation)
- wshobson/agents (tailwind-design-system, typescript-advanced-types)
- neondatabase/agent-skills (neon-postgres)
- microsoft/azure-skills (azure-kubernetes, 15+ azure services)
- vercel/ai (ai-sdk)
- currents-dev (playwright-best-practices)
- resciencelab, aaron-he-zhu (seo-geo, backlink-analyzer)

Total: 795 skills (42 shared + 52 paperclip + 701 community)

Updated README.md and CLAUDE.md with current stats, architecture diagram,
platform install matrix, and shared library documentation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

CLAUDE.md

@@ -4,7 +4,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 ## What This Is
 
-A platform-agnostic system prompt library for LLM agents. 29 personas across 10 domains (cybersecurity, intelligence, military, law/economics, history, linguistics, engineering, academia). Each persona has a `general.md` base variant plus optional specialization and personalized (`salva.md`) variants. Total: ~108 variants.
+A platform-agnostic system prompt library for LLM agents. 29 personas across 10 domains, 111 variants, 59,712 words. Includes 795 shared skills, 58 brand design systems, 23 company agents, and auto-install to 6 platforms (Claude, Antigravity, Gemini, OpenClaw, Paperclip, raw).
 
 ## Build
 
@@ -36,8 +36,10 @@ Optional: `cp config.example.yaml config.yaml` for dynamic variable injection. B
 **Shared library** (`personas/_shared/`): Reusable knowledge bases (skipped during persona build, indexed into outputs):
 - `skills/` — 42 shared skills from OpenClaw/kali-claw (SKILL.md + references per skill)
 - `paperclip-skills/` — 52 skills from paperclip-docs (ceo-advisor, coding-agent, security-review, etc.)
+- `community-skills/` — 701 skills from skills.sh marketplace (shadcn, vercel, marketing, expo, obsidian, impeccable, browser-use, stitch, firecrawl, github, neon, azure, etc.)
 - `design-md/` — 58 brand DESIGN.md files (Stripe, Claude, Linear, Apple, Vercel, etc.)
 - `ui-ux-pro-max/` — BM25 search engine + 14 CSV data files (67 styles, 161 products, 57 fonts)
+- `paperclip-agents/` — 23 company agents (Odin/CEO, Thor/CTO, Freya/CMO, Frigg/COO + 19 team members)
 - `kali-tools/` — 16 Kali Linux tool reference docs (nmap, hashcat, metasploit, AD, OSINT, wireless)
 - `openclaw-personas/` — Original 6 OpenClaw persona definitions + SOUL.md + IDENTITY.md + TOOLS.md
 - `osint-sources/` — OSINT master reference and investigation templates
@@ -53,9 +55,12 @@ Optional: `cp config.example.yaml config.yaml` for dynamic variable injection. B
 ## Install to Platforms
 
 ```bash
-python3 build.py --install claude    # deploy to ~/.claude/commands/
-python3 build.py --install gemini    # deploy to Gemini Gems format
-python3 build.py --install antigravity  # deploy to Antigravity IDE
+python3 build.py --install claude       # 111 slash commands → ~/.claude/commands/
+python3 build.py --install antigravity  # personas → ~/.config/antigravity/personas/
+python3 build.py --install gemini       # Gems → generated/_gems/
+python3 build.py --install openclaw     # IDENTITY.md + 29 personas → generated/_openclaw/
+python3 build.py --install paperclip    # 52 agents + 73 skills → generated/_paperclip/
+python3 build.py --install all          # all platforms at once
 ```
 
 ## Conventions