Function cbm_cmd_hook_augment

src/cli/hook_augment.c:302–381

}

int cbm_cmd_hook_augment(void) {
    ha_arm_deadline();

    char *input = ha_read_stdin();
    if (!input) {
        return 0;
    }
    yyjson_doc *doc = yyjson_read(input, strlen(input), 0);
    if (!doc) {
        free(input);
        return 0;
    }
    yyjson_val *root = yyjson_doc_get_root(doc);

    const char *tool = ha_obj_str(root, "tool_name");
    if (!tool || (strcmp(tool, "Grep") != 0 && strcmp(tool, "Glob") != 0)) {
        yyjson_doc_free(doc);
        free(input);
        return 0;
    }

    yyjson_val *tin = yyjson_obj_get(root, "tool_input");
    const char *pattern = ha_obj_str(tin, "pattern");
    char token[HA_MAX_TOKEN + 1];
    if (!ha_extract_token(pattern, token, sizeof(token))) {
        yyjson_doc_free(doc);
        free(input);
        return 0;
    }

    const char *cwd = ha_obj_str(root, "cwd");
    char cwdbuf[4096];
#ifndef _WIN32
    if (!cwd || !cbm_hook_path_is_abs(cwd)) {
        if (!getcwd(cwdbuf, sizeof(cwdbuf))) {
            yyjson_doc_free(doc);
            free(input);
            return 0;
        }
        cwd = cwdbuf;
    }
#else
    /* Windows: Claude Code passes an absolute drive-letter cwd in the hook
     * payload (e.g. C:\repo). Normalize '\\' -> '/' and require an absolute
     * path; the walk-up loop handles POSIX and "X:/..." roots alike. Without
     * a usable cwd there is nothing to augment — fail open cleanly. */
    if (cwd) {
        snprintf(cwdbuf, sizeof(cwdbuf), "%s", cwd);
        for (char *p = cwdbuf; *p; p++) {
            if (*p == '\\') {
                *p = '/';
            }
        }
        cwd = cwdbuf;
    }
    if (!cwd || !cbm_hook_path_is_abs(cwd)) {
        yyjson_doc_free(doc);
        free(input);