chore: release server-v1.0.72

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YZ4DskSRKsSiheQonFtQvx

backend/internal/router/router.go

@@ -153,6 +153,8 @@ func Setup(r *gin.Engine, db *gorm.DB) {
 			stockIn.PUT("/orders/:id/submit", stockInH.Submit)
 			stockIn.PUT("/orders/:id/approve", stockInH.Approve)
 			stockIn.PUT("/orders/:id/reject", stockInH.Reject)
+			// 撤回（审核中→草稿）仅管理员
+			stockIn.PUT("/orders/:id/withdraw", middleware.AdminOnly(), stockInH.Withdraw)
 		}
 
 		// 出库
@@ -166,6 +168,8 @@ func Setup(r *gin.Engine, db *gorm.DB) {
 			stockOut.PUT("/orders/:id/submit", stockOutH.Submit)
 			stockOut.PUT("/orders/:id/approve", stockOutH.Approve)
 			stockOut.PUT("/orders/:id/reject", stockOutH.Reject)
+			// 撤回（审核中→草稿）仅管理员
+			stockOut.PUT("/orders/:id/withdraw", middleware.AdminOnly(), stockOutH.Withdraw)
 		}
 
 		// 库存