feat(scheduler): 30s polling scheduler with pure NextRun/dueTaskIDs

cmd/server/main.go

@@ -13,6 +13,7 @@ import (
 	"github.com/vasyansk/imap-copier/internal/config"
 	"github.com/vasyansk/imap-copier/internal/httpapi"
 	"github.com/vasyansk/imap-copier/internal/orchestrator"
+	"github.com/vasyansk/imap-copier/internal/scheduler"
 	"github.com/vasyansk/imap-copier/internal/store"
 	"github.com/vasyansk/imap-copier/internal/wshub"
 )
@@ -45,6 +46,8 @@ func main() {
 	orch := orchestrator.New(st, hub, cfg.EncKey, cfg.WorkerConcurrency)
 	srv := httpapi.NewServer(cfg, st, orch, hub)
 
+	go scheduler.New(st, orch).Start(context.Background())
+
 	slog.Info("listening", "addr", cfg.HTTPAddr)
 	if err := http.ListenAndServe(cfg.HTTPAddr, srv.Router()); err != nil {
 		slog.Error("serve", "err", err)