Function cbm_upsert_gemini_session_hooks

src/cli/cli.c:2280–2287

Gemini CLI / Antigravity SessionStart reminder. settings.json uses the same * hooks. [].hooks[] JSON shape as Claude, so it reuses upsert_hooks_json. * The SessionStart matcher is advisory in Gemini (it does not filter lifecycle * sources), so a single "startup" entry fires on startup/resume/clear. The * command's stdout is injected as session context. (Gemini/Antigravity parity * with

 * command's stdout is injected as session context. (Gemini/Antigravity parity
 * with the Claude/Codex SessionStart reminder.) */
int cbm_upsert_gemini_session_hooks(const char *settings_path) {
    return upsert_hooks_json((hooks_upsert_args_t){
        .settings_path = settings_path,
        .hook_event = "SessionStart",
        .matcher_str = "startup",
        .command_str = CMM_SESSION_REMINDER_CMD,
    });
}

int cbm_remove_gemini_session_hooks(const char *settings_path) {
    return remove_hooks_json((hooks_remove_args_t){