feat: schedule dataset collection

backend/cmd/api/main.go

@@ -1,9 +1,11 @@
 package main
 
 import (
+	"context"
 	"log"
 
 	"senlinai-agent/backend/internal/config"
+	"senlinai-agent/backend/internal/crontab"
 	"senlinai-agent/backend/internal/httpx"
 	"senlinai-agent/backend/internal/initdb"
 	"senlinai-agent/backend/internal/logic/ai"
@@ -29,7 +31,9 @@ func main() {
 	}
 
 	authService := auth.NewService(cfg.AuthSecret)
-	datasetHandler := dataset.NewHandler(dataset.NewService(models.DBService))
+	datasetService := dataset.NewService(models.DBService)
+	datasetHandler := dataset.NewHandler(datasetService)
+	datasetScheduler := crontab.NewDatasetScheduler(datasetService, log.Default())
 	projectService := projects.NewService()
 	fileService := files.NewService(cfg.StorageDir, models.DBService)
 	taskService := tasks.NewService(models.DBService)
@@ -57,6 +61,10 @@ func main() {
 		searchHandler,
 		aiHandler,
 	)
+	schedulerContext, stopScheduler := context.WithCancel(context.Background())
+	defer stopScheduler()
+	go datasetScheduler.Run(schedulerContext)
+
 	if err := appRouter.Run(":" + cfg.Port); err != nil {
 		log.Fatal(err)
 	}