feat(ui): improve discoverability of MCP slash commands (#6080)

Co-authored-by: Rinil Kunhiraman <rinilkunhiraman@users.noreply.github.com>
Co-authored-by: Allen Hutchison <adh@google.com>

packages/cli/src/ui/hooks/useSlashCompletion.ts

@@ -267,6 +267,7 @@ function useCommandSuggestions(
             label: cmd.name,
             value: cmd.name,
             description: cmd.description,
+            commandKind: cmd.kind,
           }));
 
           setSuggestions(finalSuggestions);