explicitly set skills_dir: /workspace/cloud-sql-mysql/skills

Author: omkargaikwad23

evals/run_config.yaml

@@ -27,6 +27,7 @@ scorers:
     model_config: /workspace/evals/gemini_2.5_pro_model.yaml
   skills_best_practices:
     model_config: /workspace/evals/gemini_2.5_pro_model.yaml
+    skills_dir: /workspace/cloud-sql-mysql/skills
 
   # Performance
   turn_count: {}