删除股票相关功能，仅保留用户体系

backend/cmd/api/main.go

@@ -7,10 +7,8 @@ import (
 
 	"stock-user-system/internal/config"
 	"stock-user-system/internal/db"
-	"stock-user-system/internal/jobs"
 	"stock-user-system/internal/models"
 	"stock-user-system/internal/routes"
-	"stock-user-system/internal/services"
 )
 
 func main() {
@@ -36,14 +34,7 @@ func main() {
 		log.Fatalf("seed system admin: %v", err)
 	}
 
-	if err := models.AutoMigrateStock(database); err != nil {
-		log.Fatalf("migrate stock tables: %v", err)
-	}
-
-	stockSyncSvc := services.NewStockSyncService(cfg, database)
-	jobs.StartStockSyncScheduler(cfg, stockSyncSvc)
-
-	r := routes.Setup(cfg, database, stockSyncSvc)
+	r := routes.Setup(cfg, database)
 
 	addr := fmt.Sprintf("0.0.0.0:%s", cfg.Port)
 	log.Printf("backend listening on %s", addr)