feat: native TRACE log level with design system 0.1.16

Map TRACE to its own 'trace' level instead of grouping with DEBUG,
now that the design system LogViewer supports it natively.
Bump @cameleer/design-system to 0.1.16.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/src/pages/AgentHealth/AgentHealth.tsx

@@ -233,7 +233,8 @@ function mapLogLevel(level: string): LogEntry['level'] {
   switch (level?.toUpperCase()) {
     case 'ERROR': return 'error';
     case 'WARN': case 'WARNING': return 'warn';
-    case 'DEBUG': case 'TRACE': return 'debug';
+    case 'DEBUG': return 'debug';
+    case 'TRACE': return 'trace';
     default: return 'info';
   }
 }

ui/src/pages/AgentInstance/AgentInstance.tsx

@@ -24,7 +24,8 @@ function mapLogLevel(level: string): LogEntry['level'] {
   switch (level?.toUpperCase()) {
     case 'ERROR': return 'error';
     case 'WARN': case 'WARNING': return 'warn';
-    case 'DEBUG': case 'TRACE': return 'debug';
+    case 'DEBUG': return 'debug';
+    case 'TRACE': return 'trace';
     default: return 'info';
   }
 }

ui/src/pages/ExchangeDetail/ExchangeDetail.tsx

@@ -29,7 +29,8 @@ function mapLogLevel(level: string): LogEntry['level'] {
   switch (level?.toUpperCase()) {
     case 'ERROR': return 'error'
     case 'WARN': case 'WARNING': return 'warn'
-    case 'DEBUG': case 'TRACE': return 'debug'
+    case 'DEBUG': return 'debug'
+    case 'TRACE': return 'trace'
     default: return 'info'
   }
 }