feat(seo): Add SEO infrastructure to docs.opensin.ai

- Add llms.txt and llms-full.txt for AI crawler visibility
- Update sitemap.xml and robots.txt
- Fix docs CSS post-build script to copy SEO files to dist/

Author: OpenSIN-AI

n8n-webhook.yml

@@ -0,0 +1,34 @@
+# OpenSIN Documentation
+
+> Technical documentation for OpenSIN, the open-source Agent-to-Agent network.
+
+## Primary URLs
+- Docs: https://docs.opensin.ai
+- Main site: https://opensin.ai
+- Marketplace: https://my.opensin.ai
+- Blog: https://blog.opensin.ai
+
+## Documentation map
+- Guide: https://docs.opensin.ai/guide/getting-started.html
+- API: https://docs.opensin.ai/api/overview.html
+- Architecture: https://docs.opensin.ai/architecture/overview.html
+- SDK: https://docs.opensin.ai/sdk/overview.html
+- Plugins: https://docs.opensin.ai/plugins/registry.html
+- Tutorials: https://docs.opensin.ai/tutorials/first-agent.html
+- Examples: https://docs.opensin.ai/examples/hello-world.html
+- Best Practices: https://docs.opensin.ai/best-practices/index.html
+- Bridges: https://docs.opensin.ai/bridges/index.html
+
+## Core topics
+- A2A protocol
+- agent orchestration
+- model routing
+- plugin system
+- MCP integration
+- security and approval lanes
+- deployment and monitoring
+
+## Extended references
+- What's New: https://docs.opensin.ai/guide/whats-new.html
+- Security best practices: https://docs.opensin.ai/best-practices/security.html
+- Performance best practices: https://docs.opensin.ai/best-practices/performance.html

public/llms-full.txt

@@ -0,0 +1,29 @@
+# OpenSIN Documentation
+
+> Technical documentation for OpenSIN, the open-source Agent-to-Agent network.
+
+## Primary URLs
+- Docs: https://docs.opensin.ai
+- Main site: https://opensin.ai
+- Marketplace: https://my.opensin.ai
+- Blog: https://blog.opensin.ai
+
+## Documentation map
+- Guide: https://docs.opensin.ai/guide/getting-started.html
+- API: https://docs.opensin.ai/api/overview.html
+- Architecture: https://docs.opensin.ai/architecture/overview.html
+- SDK: https://docs.opensin.ai/sdk/overview.html
+- Plugins: https://docs.opensin.ai/plugins/registry.html
+- Tutorials: https://docs.opensin.ai/tutorials/first-agent.html
+- Examples: https://docs.opensin.ai/examples/hello-world.html
+- Best Practices: https://docs.opensin.ai/best-practices/index.html
+- Bridges: https://docs.opensin.ai/bridges/index.html
+
+## Core topics
+- A2A protocol
+- agent orchestration
+- model routing
+- plugin system
+- MCP integration
+- security and approval lanes
+- deployment and monitoring

public/llms.txt

@@ -1,3 +1,4 @@
 User-agent: *
 Allow: /
+
 Sitemap: https://docs.opensin.ai/sitemap.xml