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lib/core/models/severity_mapping.dart

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+import '../theme/status_colors.dart';
+
+/// Maps the API's untyped status strings to a [Severity] for [StatusPill]
+/// rendering. Centralized here (not per-screen) since `Service.status` is
+/// rendered on both the Services table and Fleet's aggregated card grid.
+Severity severityForServiceStatus(String status) => switch (status) {
+  'up' => Severity.good,
+  'down' => Severity.critical,
+  _ => Severity.warning, // "unknown" or anything this client doesn't recognize yet
+};
+
+/// Maps a backup/update execution's `success` flag to a [Severity].
+Severity severityForSuccess(bool success) => success ? Severity.good : Severity.critical;
+
+/// Maps a [RemoteNode.status]/reachability signal to a [Severity].
+Severity severityForNodeReachable(bool reachable) => reachable ? Severity.good : Severity.critical;