Exit codes

Code	Meaning
0	Success, including a search with no results.
1	A run aborted, a request failed, or a file couldn't be parsed. The message names the cause.
2	Invalid command-line usage.
3	Configuration problem: missing or invalid config, missing prompt, unset API key, or a failed validate check.
4	A required Python package is missing; the message says what to install.
130	A run was interrupted after saving state.