Simplify README for public repo, add Ona badge

Co-authored-by: Ona <no-reply@ona.com>

Author: Siddhant-K-code

README.md

@@ -1,86 +1,10 @@
 # The Agentic Engineering Guide
 
-Concepts, workflows, and team practices for AI agent infrastructure.
+Concepts, workflows, and team practices for AI agent infrastructure. 10 parts, 33 chapters, 4 appendices.
 
-**10 Parts · 33 Chapters · 4 Appendices**
+[![Build with Ona](https://ona.com/build-with-ona.svg)](https://app.ona.com/#https://github.com/Siddhant-K-code/agentic-engineering-guide)
 
-By [Siddhant Khare](https://siddhantkhare.com) · February 2026
-
----
-
-## Read online
-
-[**siddhant-k-code.github.io/agentic-engineering-guide**](https://siddhant-k-code.github.io/agentic-engineering-guide)
-
-## Support
-
-- [Sponsor on GitHub](https://github.com/sponsors/Siddhant-K-code)
-- [Buy me a coffee](https://buymeacoffee.com/siddhantkhare)
-
----
-
-## Table of Contents
-
-### Part I — Foundations
-1. The Agentic Engineering Landscape
-2. The Capability Jump
-3. The Agentic AI Foundation & Standards
-
-### Part II — Context Engineering
-4. Context Windows
-5. The Context Engineering Stack
-6. RAG vs. Agentic Search
-
-### Part III — Security & Authorization
-7. The Agent Security Crisis
-8. Zanzibar for AI Agents
-9. Prompt Injection & Tool Poisoning
-10. Sandboxing & Runtime Protection
-
-### Part IV — Protocols & Standards
-11. Model Context Protocol (MCP)
-12. Agent-to-Agent Communication (A2A)
-13. AGENTS.md & Codebase Onboarding
-
-### Part V — Observability & Operations
-14. Agent Traces & OpenTelemetry
-15. Cost Tracking & Token Economics
-16. Incident Response for Agent Failures
-
-### Part VI — Agent Orchestration
-17. The Agent Loop
-18. Multi-Agent Systems
-19. Agent Memory & Checkpoints
-
-### Part VII — Team Practices
-20. AI Fatigue & Sustainable Adoption
-21. The Conductor Model
-22. Agent Maturity Model
-
-### Part VIII — Production Workflows
-23. Your First Agent in Production
-24. Security Checklist & Review Policies
-25. Measuring Agent Impact
-
-### Part IX — Production Engineering
-26. Agent Evaluation & Testing
-27. Enterprise Adoption & Vendor Strategy
-28. Agent Cost Control & FinOps
-29. Agent Governance & Compliance
-30. Structured Outputs & Function Calling
-31. Model Selection & Routing
-
-### Part X — Sustainability & Deployment
-32. Backpressure & Automated Feedback
-33. The Agent Adoption Playbook
-
-### Appendices
-- A: Tool & Framework Directory
-- B: Glossary
-- C: Further Reading & References
-- D: Templates & Checklists
-
----
+**Read online:** [agents.siddhantkhare.com](https://agents.siddhantkhare.com)
 
 ## Development
 
@@ -89,21 +13,11 @@ npm install
 npm run dev
 ```
 
-Build for production:
-
-```bash
-npm run build
-```
-
-## Tech stack
+## Support
 
-- [Astro](https://astro.build) — static site generator
-- [Tailwind CSS](https://tailwindcss.com) — styling
-- [MDX](https://mdxjs.com) — content format
-- [Geist](https://vercel.com/font) — typography
+- [Sponsor on GitHub](https://github.com/sponsors/Siddhant-K-code)
+- [Buy me a coffee](https://buymeacoffee.com/siddhantkhare)
 
 ## License
 
-Content is licensed under [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/).
-
-Copyright 2026 Siddhant Khare.
+[CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/) · Copyright 2026 Siddhant Khare.