Improve Redfish recovery flow and raw export timing diagnostics

internal/server/raw_export_test.go

@@ -0,0 +1,46 @@
+package server
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestCollectLogTimeBounds(t *testing.T) {
+	lines := []string{
+		"2026-02-28T13:10:13.7442032Z Задача поставлена в очередь",
+		"not-a-timestamp line",
+		"2026-02-28T13:31:00.5077486Z Сбор завершен",
+	}
+
+	startedAt, finishedAt, ok := collectLogTimeBounds(lines)
+	if !ok {
+		t.Fatalf("expected bounds to be parsed")
+	}
+	if got := formatRawExportDuration(finishedAt.Sub(startedAt)); got != "20m47s" {
+		t.Fatalf("unexpected duration: %s", got)
+	}
+}
+
+func TestBuildHumanReadableCollectionLog_IncludesDurationHeader(t *testing.T) {
+	pkg := &RawExportPackage{
+		Format: rawExportFormatV1,
+		Source: RawExportSource{
+			Kind: "live_redfish",
+			CollectLogs: []string{
+				"2026-02-28T13:10:13.7442032Z Redfish: подключение к BMC...",
+				"2026-02-28T13:31:00.5077486Z Сбор завершен",
+			},
+		},
+	}
+
+	logText := buildHumanReadableCollectionLog(pkg, nil, "LOGPile test")
+	for _, token := range []string{
+		"Collection Started:",
+		"Collection Finished:",
+		"Collection Duration:",
+	} {
+		if !strings.Contains(logText, token) {
+			t.Fatalf("expected %q in log header", token)
+		}
+	}
+}