feat(ground-suite): redesign observability console

ground-suite/lib/shared/widgets/severity_badge.dart

@@ -9,12 +9,28 @@ class SeverityBadge extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final dark = Theme.of(context).brightness == Brightness.dark;
     final (icon, color) = switch (level.wireValue) {
-      0 || 1 || 2 || 3 => (Icons.error_outline, Colors.red.shade700),
-      4 => (Icons.warning_amber_outlined, Colors.orange.shade800),
-      5 || 6 => (Icons.info_outline, Colors.blue.shade700),
-      7 => (Icons.bug_report_outlined, Colors.grey.shade700),
-      _ => (Icons.help_outline, Colors.grey.shade700),
+      0 || 1 || 2 || 3 => (
+        Icons.error_outline,
+        dark ? const Color(0xffff6b63) : const Color(0xffd92d20),
+      ),
+      4 => (
+        Icons.warning_amber_outlined,
+        dark ? const Color(0xfff7b955) : const Color(0xffb54708),
+      ),
+      5 || 6 => (
+        Icons.info_outline,
+        dark ? const Color(0xff70b8ff) : const Color(0xff175cd3),
+      ),
+      7 => (
+        Icons.bug_report_outlined,
+        dark ? const Color(0xffa8b5ac) : const Color(0xff546258),
+      ),
+      _ => (
+        Icons.help_outline,
+        dark ? const Color(0xffa8b5ac) : const Color(0xff546258),
+      ),
     };
 
     return Semantics(