feat: 档口入库码后台批量回写 (#246)

admin/handler/web/web.go

@@ -13,6 +13,7 @@ import (
 	"database/sql"
 	"net/http"
 	"net/url"
+	"sync"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -29,6 +30,8 @@ type Handler struct {
 	onlineThreshold time.Duration
 	aiSecrets       service.AISecretStore
 	aiPolicy        service.AIEndpointPolicy
+	// innerCodeApplyMu 保证真实顺运宝回写批次串行执行，避免共享会话和远端写入并发。
+	innerCodeApplyMu sync.Mutex
 }
 
 // Register 把五个模块的页面路由挂上去。