curl --request POST \
  --url https://api.kaizenautomation.com/executions/getRecoveryAgentContext \
  --header 'Content-Type: application/json' \
  --data '{
  "executionId": "exec_123",
  "spanId": "span_456"
}'

{
  "context": "This is a stub recovery agent context for the block execution."
}