feat(tui): remove nvtop auto-launch from NVIDIA SAT

nvtop is no longer shown during NVIDIA SAT runs.
[o] Open nvtop shortcut also removed from the running screen.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

audit/internal/tui/screen_nvidia_sat.go

@@ -3,7 +3,6 @@ package tui
 import (
 	"context"
 	"fmt"
-	"os/exec"
 	"strings"
 
 	"bee/audit/internal/platform"
@@ -102,7 +101,7 @@ func (m model) updateNvidiaSATSetup(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 	return m, nil
 }
 
-// startNvidiaSAT launches the SAT and nvtop.
+// startNvidiaSAT launches the NVIDIA acceptance pack.
 func (m model) startNvidiaSAT() (tea.Model, tea.Cmd) {
 	var selectedGPUs []platform.NvidiaGPU
 	for i, sel := range m.nvidiaGPUSel {
@@ -142,31 +141,12 @@ func (m model) startNvidiaSAT() (tea.Model, tea.Cmd) {
 		return nvidiaSATDoneMsg{title: result.Title, body: result.Body, err: err}
 	}
 
-	nvtopPath, lookErr := exec.LookPath("nvtop")
-	if lookErr != nil {
-		// nvtop not available: just run the SAT, show running screen
-		return m, satCmd
-	}
-
-	return m, tea.Batch(
-		satCmd,
-		tea.ExecProcess(exec.Command(nvtopPath), func(_ error) tea.Msg {
-			return nvtopClosedMsg{}
-		}),
-	)
+	return m, satCmd
 }
 
 // updateNvidiaSATRunning handles keys on the running screen.
 func (m model) updateNvidiaSATRunning(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 	switch msg.String() {
-	case "o", "O":
-		nvtopPath, err := exec.LookPath("nvtop")
-		if err != nil {
-			return m, nil
-		}
-		return m, tea.ExecProcess(exec.Command(nvtopPath), func(_ error) tea.Msg {
-			return nvtopClosedMsg{}
-		})
 	case "a", "A":
 		if m.nvidiaSATCancel != nil {
 			m.nvidiaSATCancel()
@@ -234,5 +214,5 @@ func renderNvidiaSATSetup(m model) string {
 
 // renderNvidiaSATRunning renders the running screen.
 func renderNvidiaSATRunning() string {
-	return "NVIDIA SAT\n\nTest is running...\n\n[o] Open nvtop  [a] Abort test  [ctrl+c] quit\n"
+	return "NVIDIA SAT\n\nTest is running...\n\n[a] Abort test  [ctrl+c] quit\n"
 }