fix: complete hardware collection diagnostics

audit/internal/app/support_bundle.go

@@ -642,6 +642,7 @@ func writeManifest(dst, exportDir, stageRoot string) error {
 	}
 	var body strings.Builder
 	fmt.Fprintf(&body, "bee_version=%s\n", buildVersion())
+	fmt.Fprintf(&body, "bee_git_commit=%s\n", buildCommit())
 	fmt.Fprintf(&body, "host=%s\n", hostnameOr("unknown"))
 	fmt.Fprintf(&body, "generated_at_utc=%s\n", time.Now().UTC().Format(time.RFC3339))
 	fmt.Fprintf(&body, "export_dir=%s\n", exportDir)
@@ -747,6 +748,16 @@ func buildVersion() string {
 	return strings.TrimSpace(string(raw))
 }
 
+func buildCommit() string {
+	ctx, cancel := context.WithTimeout(context.Background(), defaultCommandTimeout)
+	defer cancel()
+	raw, err := exec.CommandContext(ctx, "bee", "version", "--commit").CombinedOutput()
+	if err != nil || strings.TrimSpace(string(raw)) == "" {
+		return "unknown"
+	}
+	return strings.TrimSpace(string(raw))
+}
+
 func copyDirContents(srcDir, dstDir string) error {
 	entries, err := os.ReadDir(srcDir)
 	if err != nil {