Retry behavior

Configure retry behavior for methods:

openrpc.yml
1methods:
2 - name: payment.process
3 summary: Process payment with retry logic
4 params:
5 - name: paymentData
6 schema:
7 $ref: '#/components/schemas/PaymentRequest'
8 x-fern-retry:
9 max_attempts: 3
10 exponential_backoff: true
11 initial_delay: 1000
12 max_delay: 30000
13 result:
14 name: paymentResult
15 schema:
16 $ref: '#/components/schemas/PaymentResult'