fix: cast LogEntryResponse to LogEntry for StartupLogPanel type safety

The DS LogViewer expects level as a string union, but the API response
type uses plain string. Cast at the call site to fix the TS build error.

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

ui/src/components/StartupLogPanel.tsx

@@ -1,4 +1,5 @@
 import { LogViewer } from '@cameleer/design-system';
+import type { LogEntry } from '@cameleer/design-system';
 import { useStartupLogs } from '../api/queries/logs';
 import type { Deployment } from '../api/queries/admin/apps';
 import styles from './StartupLogPanel.module.css';
@@ -37,7 +38,7 @@ export function StartupLogPanel({ deployment, appSlug, envSlug }: StartupLogPane
         <span className={styles.lineCount}>{entries.length} lines</span>
       </div>
       {entries.length > 0 ? (
-        <LogViewer entries={entries} maxHeight={300} />
+        <LogViewer entries={entries as unknown as LogEntry[]} maxHeight={300} />
       ) : (
         <div className={styles.empty}>Waiting for container output...</div>
       )}