* feat: add prepush lifecycle hook
Add `prepushScript` configuration — an optional shell script that runs
automatically before pushing code to the remote repository. Reuses the
existing `executeLifecycleHook` infrastructure (bash execution, 2-min
timeout, error propagation on non-zero exit). When unconfigured the
hook is a no-op.
Made-with: Cursor
* fix: add prepushScript to run-context API response, fix UI separator
Include prepushScript in the settings returned by the run-context
endpoint so the hook actually fires in production. Also fix the
separator pattern in AgentSettings to match the existing convention
(spacer + hr + spacer instead of margin).
Made-with: Cursor
Colin McDonnell
cb8e33360c