Exit 2 for missing required arguments, exit 127 for agent not found. SilenceUsage on all commands to avoid dumping usage on runtime errors.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Complete command implementations with all flags per spec. Shared query resolution helper.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>