Cross-link blog, README, adapter model card

BLOG.md

@@ -38,6 +38,7 @@ By the end, you should understand:
 We built a hosted OpenEnv environment called **Enterprise Contract Guardian**.
 
 Live environment: https://huggingface.co/spaces/pushpam14/api-contract-validator  
+Primary HF Space writeup: https://huggingface.co/spaces/pushpam14/api-contract-validator/blob/main/BLOG.md  
 Trained adapter: https://huggingface.co/pushpam14/api-contract-validator-grpo-7b  
 Training run: https://wandb.ai/pushpamsubscriptions-inn/openenv-contract-guardian/runs/gch0eg3k  
 Source code: https://github.com/kumarpushpam17-personal/Hackathon  
@@ -157,6 +158,7 @@ There is no existing RL benchmark for multi-service contract reasoning. This is
 ## 8) Try it yourself
 
 - **Live environment**: https://huggingface.co/spaces/pushpam14/api-contract-validator
+- **Primary HF Space writeup**: https://huggingface.co/spaces/pushpam14/api-contract-validator/blob/main/BLOG.md
 - **Trained adapter**: https://huggingface.co/pushpam14/api-contract-validator-grpo-7b
 - **WandB run**: https://wandb.ai/pushpamsubscriptions-inn/openenv-contract-guardian/runs/gch0eg3k
 - **GitHub**: https://github.com/kumarpushpam17-personal/Hackathon