Function dir_exists

src/cli/cli.c:1115–1118

/* ── Agent detection ──────────────────────────────────────────── */

static bool dir_exists(const char *path) {
    struct stat st;
    return stat(path, &st) == 0 && S_ISDIR(st.st_mode);
}

/* Resolve the Claude Code config dir.
 * Honors $CLAUDE_CONFIG_DIR; falls back to "$home_dir/.claude". */