Include terminal charts in benchmark report

audit/internal/platform/benchmark_test.go

@@ -145,3 +145,35 @@ func TestRenderBenchmarkReportIncludesFindingsAndScores(t *testing.T) {
 		}
 	}
 }
+
+func TestRenderBenchmarkReportIncludesTerminalChartsWithoutANSI(t *testing.T) {
+	t.Parallel()
+
+	report := renderBenchmarkReportWithCharts(NvidiaBenchmarkResult{
+		BenchmarkProfile:   NvidiaBenchmarkProfileStandard,
+		OverallStatus:      "OK",
+		SelectedGPUIndices: []int{0},
+		Normalization: BenchmarkNormalization{
+			Status: "full",
+		},
+	}, []benchmarkReportChart{
+		{
+			Title:   "GPU 0 Steady State",
+			Content: "\x1b[31mGPU 0 chart\x1b[0m\n 42┤───",
+		},
+	})
+
+	for _, needle := range []string{
+		"Terminal Charts",
+		"GPU 0 Steady State",
+		"GPU 0 chart",
+		"42┤───",
+	} {
+		if !strings.Contains(report, needle) {
+			t.Fatalf("report missing %q\n%s", needle, report)
+		}
+	}
+	if strings.Contains(report, "\x1b[31m") {
+		t.Fatalf("report should not contain ANSI escapes\n%s", report)
+	}
+}