Persists a PENDING batch and kicks off async validation (row-level field checks + SIM/registration/identity checks against the tenant database). Returns 202 with the batch UUID; poll GET /bulk-rica/batches/:batchUuid, then confirm with POST …/process. Uploading a new batch expires any previous batch that has not been processed yet.

Access: Auth methods: JWT bearer. Allowed user types: MVNO. Requires permissions: entity:rica:bulk. Allowed MVNO roles: SUPER_ADMIN.