POST `/admin/billing/refund-approval/{plan_id}/execute`

Execute the actual refund operation for an approved refund approval, calling wallet-service to complete the debit/refund transaction.

Billing Service `bearerAuth` application/json

Request Parameters

Name	In	Type	Required	Default	Example	Constraints	Description
`id`	`path`	`string`	Yes				Refund approval ID

Schema: dto.ExecuteRefundRequest

Field	Type	Required	Example	Constraints	Description
`user_id`	`string`	Yes	`usr_abc123`

Status	Description	Schema
200	Refund executed successfully	`dto.ExecuteRefundDetailResponse`
400	Invalid request parameters	`dto.SimpleResponse`
401	Unauthorized	`dto.SimpleResponse`
403	No permission	`dto.SimpleResponse`
409	Status conflict (refund not approved or already executed)	`dto.SimpleResponse`
500	Internal server error	`dto.SimpleResponse`

Field	Type	Required
`code`	`integer`	No
`data`	`dto.ExecuteRefundResponse`	No
`message`	`string`	No
`timestamp`	`string`	No

Field	Type	Required	Example
`amount`	`number`	No	`99`
`refund_id`	`string`	No	`ref_001`
`status`	`string`	No	`completed`
`wallet_transaction_id`	`string`	No	`txn_def456`

Field	Type	Required
`code`	`integer`	No
`message`	`string`	No
`timestamp`	`string`	No