Minor fixes:

- Fixed function name typo
- Fetcher/Run now returns a combination of errors if any workers error out. All other workers are ordered to shutdown if any one does error out
- findATender now returns a pointer instead of an instance from New

internal/fetcher/fetcher.go

@@ -2,6 +2,7 @@ package fetcher
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
 	"sync"
@@ -13,10 +14,21 @@ import (
 
 var ErrNoNewReleases = fmt.Errorf("%w: no new releases", util.ErrWorkerNoWork)
 
+// Run starts a worker for each enabled source and blocks until every worker
+// has stopped. Workers stop when ctx is cancelled, or when any worker stops
+// with an error, which starts a shutdown of all of them. The errors are
+// logged as they happen and returned joined; nil means a clean shutdown.
 func Run(
 	ctx context.Context, conf *config.JobSearchConfig, since time.Time,
-) {
-	var wg sync.WaitGroup
+) error {
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	var (
+		wg   sync.WaitGroup
+		mu   sync.Mutex
+		errs []error
+	)
 
 	start := func(
 		name string,
@@ -26,7 +38,11 @@ func Run(
 		go func() {
 			defer wg.Done()
 			if err := run(ctx, conf, since); err != nil {
-				slog.Error("source stopped", "source", name, "err", err)
+				slog.Error("source stopped, shutting down", "source", name, "err", err)
+				mu.Lock()
+				errs = append(errs, fmt.Errorf("%s: %w", name, err))
+				mu.Unlock()
+				cancel()
 			}
 		}()
 	}
@@ -42,4 +58,5 @@ func Run(
 	}
 
 	wg.Wait()
+	return errors.Join(errs...)
 }