四个既有端点(candidates/change/confirm(assignmentId)/confirm(requirementId))经网关 逐一实测通过;此前缺失的 confirm(requirementId) 借新上线的 GET /admin/fleet/board/orders/{orderId} requirementIdentities 字段取得 expectedRequirementVersion/Sha256/expectedPlanGeneration 真值补齐验证。 Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>