fix: show meaningful update runs and tidy update access layout

internal/web/server_test.go

@@ -364,7 +364,7 @@ func TestDashboardRendersLiveUpdateHooks(t *testing.T) {
 		`data-dashboard-ipv6`,
 		`data-recent-runs aria-live="polite" aria-busy="true"`,
 		`Aktualisierung läuft`,
-		`features-30`,
+		`features-31`,
 		`data-local-time="1788001920"`,
 		`dashboard-zone-item`,
 		`DNS-Zone · example.de`,
@@ -375,7 +375,7 @@ func TestDashboardRendersLiveUpdateHooks(t *testing.T) {
 	}
 }
 
-func TestSchedulerAPIIncludesRecentRunsOnlyForAdministrators(t *testing.T) {
+func TestRecentRunsShowChangesAndErrorsOnlyForAdministrators(t *testing.T) {
 	t.Parallel()
 	ctx := context.Background()
 	database, err := store.Open(ctx, filepath.Join(t.TempDir(), "app.db"))
@@ -390,8 +390,38 @@ func TestSchedulerAPIIncludesRecentRunsOnlyForAdministrators(t *testing.T) {
 	if err := database.FinishUpdateRun(ctx, runID, "ok", "198.51.100.10", "", "1 Ziel aktualisiert"); err != nil {
 		t.Fatal(err)
 	}
+	// More no-op runs than the display limit must not push out older changes.
+	for index := 0; index < 12; index++ {
+		id, err := database.CreateUpdateRun(ctx)
+		if err != nil {
+			t.Fatal(err)
+		}
+		summary := "0 Ziel(e) aktualisiert, 0 Fehler"
+		if index%2 == 0 {
+			summary = "Keine aktiven DynDNS-Ziele"
+		}
+		if err := database.FinishUpdateRun(ctx, id, "ok", "", "", summary); err != nil {
+			t.Fatal(err)
+		}
+	}
+	for _, status := range []string{"partial", "error"} {
+		id, err := database.CreateUpdateRun(ctx)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if err := database.FinishUpdateRun(ctx, id, status, "", "", "0 Ziel(e) aktualisiert, 0 Fehler"); err != nil {
+			t.Fatal(err)
+		}
+	}
+	if _, err := database.CreateUpdateRun(ctx); err != nil {
+		t.Fatal(err)
+	}
 	schedule := scheduler.New(database, nil, nil, nil, slog.Default())
-	server := &Server{store: database, scheduler: schedule}
+	templates, err := loadTemplates()
+	if err != nil {
+		t.Fatal(err)
+	}
+	server := &Server{store: database, scheduler: schedule, templates: templates, logger: slog.Default()}
 
 	adminResponse := httptest.NewRecorder()
 	adminRequest := httptest.NewRequest(http.MethodGet, "/api/v1/scheduler?runs=1", nil)
@@ -406,13 +436,26 @@ func TestSchedulerAPIIncludesRecentRunsOnlyForAdministrators(t *testing.T) {
 	if err := json.NewDecoder(adminResponse.Body).Decode(&adminState); err != nil {
 		t.Fatal(err)
 	}
-	if adminState.RecentRuns == nil || len(*adminState.RecentRuns) != 1 {
+	if adminState.RecentRuns == nil || len(*adminState.RecentRuns) != 3 {
 		t.Fatalf("administrator did not receive recent runs: %#v", adminState.RecentRuns)
 	}
-	if run := (*adminState.RecentRuns)[0]; run.ID != runID || run.Status != "ok" || run.Summary != "1 Ziel aktualisiert" {
+	if run := (*adminState.RecentRuns)[2]; run.ID != runID || run.Status != "ok" || run.Summary != "1 Ziel aktualisiert" {
 		t.Fatalf("unexpected recent run: %#v", run)
 	}
 
+	if (*adminState.RecentRuns)[0].Status != "error" || (*adminState.RecentRuns)[1].Status != "partial" {
+		t.Fatal("zero-change errors or partial runs were hidden")
+	}
+	allRuns, err := database.RecentRuns(ctx, 100)
+	if err != nil || len(allRuns) != 16 {
+		t.Fatalf("filter changed diagnostic history: count=%d err=%v", len(allRuns), err)
+	}
+	pageResponse := httptest.NewRecorder()
+	server.dashboard(pageResponse, httptest.NewRequest(http.MethodGet, "/", nil), &model.Session{Role: "admin"})
+	if pageResponse.Code != http.StatusOK || !strings.Contains(pageResponse.Body.String(), "1 Ziel aktualisiert") || strings.Contains(pageResponse.Body.String(), "Keine aktiven DynDNS-Ziele") || strings.Count(pageResponse.Body.String(), "0 Ziel(e) aktualisiert, 0 Fehler") != 2 {
+		t.Fatal("initial dashboard differs from the filtered live history")
+	}
+
 	memberResponse := httptest.NewRecorder()
 	memberRequest := httptest.NewRequest(http.MethodGet, "/api/v1/scheduler?runs=1", nil)
 	server.schedulerAPI(memberResponse, memberRequest, &model.Session{Role: "member"})