Additional command-line arguments appended to the default agent command. For example --max-budget-usd 5 or --effort high. Arguments are split on whitespace. During ACP approval runs, the handler may reposition or ignore arguments that are incompatible with ACP or manual approvals. For Oh My Pi, Jenkins reserves execution, output, and session flags, CLI help/version/export/alias options, and --acp-terminal-auth in every mode. Read-only and ACP approval jobs also reserve approval and extension-loading options, including --plugin-dir. Read-only jobs reserve tool-list options; ACP approval jobs reserve config-file options. YOLO jobs allow OMP-specific tool, extension, and config options.