Add 67 social preview avatars for GitHub repos

Created SVG avatars with consistent design theme:
- 36 specific project avatars (seamstress, echidna, bunsenite, etc.)
- 31 category avatars (ssg-generic, mcp-generic, bot-generic, etc.)
- All converted to PNG at 1280x640 for GitHub social preview
- Added AVATAR-MAPPING.md documenting which avatar for each repo
- Added helper scripts for conversion and upload

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Jonathan D.A. Jewell

avatars/AVATAR-MAPPING.md

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+# Avatar Mapping for Hyperpolymath Repos
+
+This file maps each GitHub repo to its corresponding avatar for social preview images.
+
+## Specific Project Avatars
+
+These repos have custom-designed avatars:
+
+| Repo | Avatar File |
+|------|-------------|
+| hyperpolymath.github.io | hyperpolymath.svg |
+| claude-firefox-mcp | claude-firefox-mcp.svg |
+| poly-container-mcp | poly-container-mcp.svg |
+| poly-secret-mcp | poly-secret-mcp.svg |
+| poly-queue-mcp | poly-queue-mcp.svg |
+| poly-iac-mcp | poly-iac-mcp.svg |
+| poly-observability-mcp | poly-observability-mcp.svg |
+| poly-ssg-mcp | poly-ssg.svg |
+| seamstress | seamstress.svg |
+| seambot | seambot.svg |
+| my-lang | my-lang.svg |
+| rhodium-standard-repositories | rhodium-standard.svg |
+| flatracoon-netstack | flatracoon-netstack.svg |
+| echidna | echidna.svg |
+| echidnabot | echidnabot.svg |
+| gitvisor | gitvisor.svg |
+| laminar | laminar.svg |
+| scaffoldia | scaffoldia.svg |
+| llm-unify | llm-unify.svg |
+| llm-verify | llm-verify.svg |
+| supernorma | supernorma.svg |
+| bunsenite | bunsenite.svg |
+| januskey | januskey.svg |
+| svalinn | svalinn.svg |
+| czech-file-knife | czech-file-knife.svg |
+| polyglot-i18n | polyglot-i18n.svg |
+| ubicity | ubicity.svg |
+| robot-vacuum-cleaner | robot-vacuum-cleaner.svg |
+| proof-of-work | proof-of-work.svg |
+| affinescript | affinescript.svg |
+| asdfghj | asdfghj.svg |
+| blue-screen-of-app | blue-screen-of-app.svg |
+| thejeffparadox | thejeffparadox.svg |
+| git-eco-bot | git-eco-bot.svg |
+| rhodibot | rhodibot.svg |
+| hackenbush-ssg | hackenbush-ssg.svg |
+
+## Category Avatars
+
+Use these generic avatars based on repo category:
+
+### MCP Protocol Repos → mcp-generic.svg
+- poly-*-mcp (any not listed above)
+- Any MCP server implementations
+
+### Static Site Generators → ssg-generic.svg
+- *-ssg repos
+- Static site related tools
+- eleventy-*, hugo-*, jekyll-* forks
+
+### Bot/Automation Repos → bot-generic.svg
+- *bot repos (unless specific avatar exists)
+- robot-repo-bot
+- automation tools
+
+### LLM/AI Repos → llm-generic.svg
+- llm-* repos (unless specific avatar exists)
+- AI-related tools
+
+### Security Repos → security-generic.svg
+- Security tools
+- Vulnerability scanners
+- Auth libraries (unless specific)
+
+### Network/Infrastructure → network-generic.svg
+- Network tools
+- Infrastructure projects
+
+### Git Tools → git-generic.svg
+- git-* repos
+- Version control tools
+
+### Language/Compiler → language-generic.svg
+- Programming language implementations
+- Compilers, interpreters
+
+### IndieWeb → indieweb-generic.svg
+- IndieWeb implementations
+- Webmention tools
+- Personal web projects
+
+### WordPress → wordpress-generic.svg
+- WordPress themes/plugins
+
+### DevTools → devtools-generic.svg
+- Development utilities
+- Editor plugins
+- IDE integrations
+
+### CLI Tools → cli-generic.svg
+- Command line tools
+- Terminal utilities
+
+### API/Backend → api-generic.svg
+- REST APIs
+- GraphQL services
+- Backend services
+
+### Testing → testing-generic.svg
+- Test frameworks
+- QA tools
+
+### Database → database-generic.svg
+- Database tools
+- ORM implementations
+
+### Auth → auth-generic.svg
+- Authentication libraries
+- OAuth implementations
+
+### CI/CD → cicd-generic.svg
+- Build tools
+- Pipeline configurations
+
+### Documentation → docs-generic.svg
+- Documentation repos
+- Guides and tutorials
+
+### Monitoring → monitoring-generic.svg
+- Observability tools
+- Metrics collectors
+
+### Crypto → crypto-generic.svg
+- Cryptography tools
+- Key management
+
+### Standards/Specs → standard-generic.svg
+- Specification repos
+- RFC implementations
+
+### Mobile → mobile-generic.svg
+- Mobile apps (Tauri, Dioxus)
+- iOS/Android projects
+
+### Mustfile/Config → mustfile-generic.svg
+- Configuration tools
+- Mustfile implementations
+
+### Parser/AST → parser-generic.svg
+- Parsers
+- Tree-sitter grammars
+
+### Queue/Events → queue-generic.svg
+- Message queues
+- Event systems
+
+### Archive → archive-generic.svg
+- Archived/historical repos
+
+### Zotero → zotero-generic.svg
+- Zotero plugins/integrations
+
+### SCM Spec Files → scm-spec-generic.svg
+- STATE.scm, META.scm specifications
+
+### AI/Neural → ai-neural-generic.svg
+- Neural network projects
+- Deep learning tools
+
+### Playground → playground-generic.svg
+- Experimental repos
+- Learning projects
+
+### Utilities → util-generic.svg
+- General utilities
+- Misc helper tools
+
+## PNG Conversion
+
+All SVGs should be converted to PNG at 1280x640 for GitHub social preview.
+
+Command:
+```bash
+for svg in avatars/*.svg; do
+  png="${svg%.svg}.png"
+  convert -background none "$svg" "avatars/png/$(basename $png)"
+done
+```
+
+## Upload Instructions
+
+For each repo:
+1. Go to repo → Settings → General
+2. Scroll to "Social preview"
+3. Click "Edit" → "Upload an image"
+4. Select the corresponding PNG file
+5. Save