fix(collector): recover storage model for NVMe drives exposed as SCSI

An NVMe SSD passed through a RAID/HBA as /dev/sdX (not /dev/nvmeX) gets
smartctl'd over the SCSI protocol, which reports its model in
scsi_model_name/scsi_vendor/scsi_product instead of the ATA/NVMe
model_name field. smartctlInfo only mapped model_name, so the drive's
model was silently dropped from reanimator.json even though smartctl
ran successfully and the serial number came through fine — caught via
a support bundle where lsblk showed "SSSTC CA6-8D1024" for a drive but
reanimator.json's storage entry had no model at all.

Add scsi_model_name/scsi_vendor/scsi_product to smartctlInfo and fall
back to them, in that order, when model_name is empty.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

audit/internal/collector/storage_scsi_test.go

@@ -99,3 +99,51 @@ func TestApplySCSISmartctlTelemetryDoesNotOverwriteExistingValues(t *testing.T)
 		t.Fatalf("life_used_pct=%v want 50", disk.LifeUsedPct)
 	}
 }
+
+func TestSmartctlModelNamePrefersATAModelName(t *testing.T) {
+	t.Parallel()
+
+	info := smartctlInfo{
+		ModelName:     "Samsung SSD 970 EVO",
+		ScsiModelName: "should not be used",
+	}
+	if got := smartctlModelName(info); got != "Samsung SSD 970 EVO" {
+		t.Fatalf("model=%q want %q", got, "Samsung SSD 970 EVO")
+	}
+}
+
+func TestSmartctlModelNameFallsBackToScsiModelName(t *testing.T) {
+	t.Parallel()
+
+	// NVMe drive exposed through a RAID/HBA passthrough as /dev/sdX:
+	// smartctl reports it over the SCSI protocol, so model_name is empty
+	// and the model only shows up as scsi_model_name.
+	info := smartctlInfo{
+		ScsiModelName: "NVMe SSSTC CA6-8D1024",
+		ScsiVendor:    "NVMe",
+		ScsiProduct:   "SSSTC CA6-8D1024",
+	}
+	if got := smartctlModelName(info); got != "NVMe SSSTC CA6-8D1024" {
+		t.Fatalf("model=%q want %q", got, "NVMe SSSTC CA6-8D1024")
+	}
+}
+
+func TestSmartctlModelNameFallsBackToScsiVendorProduct(t *testing.T) {
+	t.Parallel()
+
+	info := smartctlInfo{
+		ScsiVendor:  "NVMe",
+		ScsiProduct: "SSSTC CA6-8D1024",
+	}
+	if got := smartctlModelName(info); got != "NVMe SSSTC CA6-8D1024" {
+		t.Fatalf("model=%q want %q", got, "NVMe SSSTC CA6-8D1024")
+	}
+}
+
+func TestSmartctlModelNameEmptyWhenNoFieldsSet(t *testing.T) {
+	t.Parallel()
+
+	if got := smartctlModelName(smartctlInfo{}); got != "" {
+		t.Fatalf("model=%q want empty", got)
+	}
+}