Unify live RAM runtime state

audit/internal/platform/runtime.go

@@ -171,25 +171,28 @@ func resolvedToolStatus(display string, candidates ...string) ToolStatus {
 	return ToolStatus{Name: display}
 }
 
-// collectToRAMHealth checks whether the LiveCD ISO has been copied to RAM.
-// Status values: "ok" = in RAM, "warning" = toram not active (no copy attempted),
-// "failed" = toram was requested but medium is not in RAM (copy failed or in progress).
+// collectToRAMHealth evaluates whether the live system is fully running from RAM.
+// Status values: "ok" = fully in RAM, "warning" = not copied, "partial" = stale or
+// incomplete RAM copy exists but runtime still depends on the boot medium,
+// "failed" = toram was requested but medium is not in RAM.
 func (s *System) collectToRAMHealth(health *schema.RuntimeHealth) {
-	inRAM := s.IsLiveMediaInRAM()
-	active := toramActive()
-	switch {
-	case inRAM:
-		health.ToRAMStatus = "ok"
-	case active:
-		// toram was requested but medium is not yet/no longer in RAM
-		health.ToRAMStatus = "failed"
+	state := s.LiveMediaRAMState()
+	health.ToRAMStatus = state.Status
+	switch state.Status {
+	case "ok":
+		return
+	case "failed":
 		health.Issues = append(health.Issues, schema.RuntimeIssue{
 			Code:        "toram_copy_failed",
 			Severity:    "warning",
-			Description: "toram boot parameter is set but the live medium is not mounted from RAM.",
+			Description: state.Message,
+		})
+	case "partial":
+		health.Issues = append(health.Issues, schema.RuntimeIssue{
+			Code:        "toram_copy_partial",
+			Severity:    "warning",
+			Description: state.Message,
 		})
-	default:
-		health.ToRAMStatus = "warning"
 	}
 }
 
@@ -211,13 +214,13 @@ func findUSBExportMount() string {
 
 	// fs types that are expected on USB export drives
 	exportFSTypes := map[string]bool{
-		"vfat":  true,
-		"exfat": true,
-		"ext2":  true,
-		"ext3":  true,
-		"ext4":  true,
-		"ntfs":  true,
-		"ntfs3": true,
+		"vfat":    true,
+		"exfat":   true,
+		"ext2":    true,
+		"ext3":    true,
+		"ext4":    true,
+		"ntfs":    true,
+		"ntfs3":   true,
 		"fuseblk": true,
 	}