Keep batch notification failures out of report counts

internal/app/app.go

@@ -154,13 +154,14 @@ func (e BatchError) Error() string {
 	if e.Result == nil {
 		return "batch failed"
 	}
-	if batchNotificationFailed(e.Result) && batchReportFailures(e.Result) == 0 {
+	failedReports := batchReportFailures(e.Result)
+	if batchNotificationFailed(e.Result) && failedReports == 0 {
 		if e.Result.Notification.Error != "" {
 			return fmt.Sprintf("batch %s notification failed: %s", e.Result.Batch, e.Result.Notification.Error)
 		}
 		return fmt.Sprintf("batch %s notification failed", e.Result.Batch)
 	}
-	return fmt.Sprintf("batch %s failed: %d of %d reports failed", e.Result.Batch, e.Result.Failed, e.Result.Total)
+	return fmt.Sprintf("batch %s failed: %d of %d reports failed", e.Result.Batch, failedReports, len(e.Result.Reports))
 }
 
 func batchNotificationFailed(result *BatchResult) bool {
@@ -291,7 +292,7 @@ func RunBatch(ctx context.Context, req BatchRequest) error {
 	if err != nil {
 		return err
 	}
-	if result.Failed > 0 {
+	if result.Failed > 0 || batchNotificationFailed(result) {
 		return BatchError{Result: result}
 	}
 	return nil
@@ -370,13 +371,10 @@ func RunBatchDetailed(ctx context.Context, req BatchRequest) (*BatchResult, erro
 			result.Reports = append(result.Reports, item)
 		}
 		result.Total = len(result.Reports)
-		batchNotification, err := notifyBatch(ctx, req.Config, req.Batch, batchRunID(startedAt, req.Batch), startedAt, result, plannedReports, req.Notifier)
+		batchNotification, _ := notifyBatch(ctx, req.Config, req.Batch, batchRunID(startedAt, req.Batch), startedAt, result, plannedReports, req.Notifier)
 		if batchNotification != nil {
 			result.Notification = batchNotification
 		}
-		if err != nil {
-			result.Failed++
-		}
 		result.FinishedAt = time.Now()
 		return result, nil
 	}

internal/app/batch_generation_test.go

@@ -2,8 +2,10 @@ package app
 
 import (
 	"context"
+	"errors"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 
 	"gitea.maximumdirect.net/eric/weatherreporter/internal/config"
@@ -95,6 +97,43 @@ func TestRunBatchDetailedPreflightsAllOutputPaths(t *testing.T) {
 	}
 }
 
+func TestRunBatchDetailedRetainsReportCountsWhenNotificationFails(t *testing.T) {
+	bundle := generationBundle(t)
+	bundle.Hourly.Periods = bundle.Hourly.Periods[:1]
+	outputDir := t.TempDir()
+	notifier := &generationNotifier{batchErr: errors.New("distributor unavailable")}
+	result, err := RunBatchDetailed(context.Background(), BatchRequest{
+		Config: generationDistributorConfig(), Batch: BatchMorning,
+		Now: generationTime("2026-05-29T08:30:00-05:00"), WorkingDir: t.TempDir(), OutputDir: outputDir,
+		Collector: &generationCollector{bundle: &bundle}, Executor: &generationExecutor{}, Notifier: notifier,
+	})
+	if err != nil || result == nil || result.Total != len(result.Reports) || result.Succeeded != len(result.Reports) || result.Failed != 0 || result.Notification == nil || result.Notification.Status != "failed" {
+		t.Fatalf("RunBatchDetailed() result/error = %#v/%v", result, err)
+	}
+	for _, item := range result.Reports {
+		if item.Status != "succeeded" || item.OutputPath == "" {
+			t.Fatalf("report result = %#v", item)
+		}
+		if _, statErr := os.Stat(item.OutputPath); statErr != nil {
+			t.Fatalf("published output %q: %v", item.OutputPath, statErr)
+		}
+	}
+}
+
+func TestRunBatchReturnsNotificationFailureWithoutReportFailureWording(t *testing.T) {
+	bundle := generationBundle(t)
+	bundle.Hourly.Periods = bundle.Hourly.Periods[:1]
+	err := RunBatch(context.Background(), BatchRequest{
+		Config: generationDistributorConfig(), Batch: BatchMorning,
+		Now: generationTime("2026-05-29T08:30:00-05:00"), WorkingDir: t.TempDir(), OutputDir: t.TempDir(),
+		Collector: &generationCollector{bundle: &bundle}, Executor: &generationExecutor{}, Notifier: &generationNotifier{batchErr: errors.New("distributor unavailable")},
+	})
+	var batchErr BatchError
+	if !errors.As(err, &batchErr) || batchErr.Result == nil || batchErr.Result.Failed != 0 || batchErr.Result.Notification == nil || batchErr.Result.Notification.Status != "failed" || !strings.Contains(err.Error(), "notification failed") || strings.Contains(err.Error(), "reports failed") {
+		t.Fatalf("RunBatch() error/result = %v/%#v", err, batchErr.Result)
+	}
+}
+
 func generationDistributorConfig() config.Config {
 	cfg := generationConfig()
 	cfg.Notify.Distributor.Enabled = true

internal/app/generation_test.go

@@ -243,6 +243,7 @@ func generationBundlePointer(t *testing.T) *weatherdata.Bundle {
 
 type generationNotifier struct {
 	err          error
+	batchErr     error
 	request      NotificationRequest
 	batchRequest batchNotificationRequest
 	batchCalls   int
@@ -261,7 +262,7 @@ func (n *generationNotifier) NotifyBatch(_ context.Context, request batchNotific
 			return nil, err
 		}
 	}
-	return &NotificationResult{Status: "succeeded", PipelineID: request.PipelineID, BundleID: request.BundleID}, nil
+	return &NotificationResult{Status: "succeeded", PipelineID: request.PipelineID, BundleID: request.BundleID}, n.batchErr
 }
 
 func generationBundle(t *testing.T) weatherdata.Bundle {