Function cbm_cli_build_args_json

src/cli/cli.c:12626–12748

#endif

char *cbm_cli_build_args_json(const char *tool_name, int argc, char **argv, char **err_out) {
    if (err_out) {
        *err_out = NULL;
    }

    /* The tool's input_schema (may be NULL for an unknown tool — then every
     * value is treated as a string). Static lifetime; do not free. */
    const char *schema_str = cbm_mcp_tool_input_schema(tool_name);
    yyjson_doc *schema_doc = NULL;
    yyjson_val *props = NULL;
    if (schema_str) {
        schema_doc = yyjson_read(schema_str, strlen(schema_str), 0);
        if (schema_doc) {
            props = yyjson_obj_get(yyjson_doc_get_root(schema_doc), "properties");
        }
    }

    yyjson_mut_doc *out = yyjson_mut_doc_new(NULL);
    if (!out) {
        if (schema_doc) {
            yyjson_doc_free(schema_doc);
        }
        return NULL;
    }
    yyjson_mut_val *obj = yyjson_mut_obj(out);
    yyjson_mut_doc_set_root(out, obj);

    bool ok = true;
    for (int i = 0; i < argc && ok; i++) {
        const char *arg = argv[i];
        if (strcmp(arg, "--") == 0) {
            break; /* end of flag parsing */
        }
        if (strncmp(arg, "--", CLI_PAIR_LEN) != 0) {
            if (err_out) {
                *err_out = cli_heap_msgf("unexpected argument '%s' (expected --flag value)", arg);
            }
            ok = false;
            break;
        }

        const char *body = arg + CLI_PAIR_LEN; /* skip leading "--" */
        const char *eq = strchr(body, '=');
        char key[CLI_BUF_256];
        const char *value = NULL;
        bool have_value = false;

        if (eq) {
            /* --key=value : split on the FIRST '='; value may contain '='/spaces. */
            size_t klen = (size_t)(eq - body);
            if (klen >= sizeof(key)) {
                klen = sizeof(key) - CLI_SKIP_ONE;
            }
            memcpy(key, body, klen);
            key[klen] = '\0';
            value = eq + CLI_SKIP_ONE;
            have_value = true;
        } else {