Function main

ds4_cli.c:1637–1707

            printf("Thinking mode: %s.\n", active ? "max" : "high (ctx below 393216)");
        } else if (!strcmp(cmd, "/nothink")) {
            cfg->gen.think_mode = DS4_THINK_NONE;
            repl_chat_apply_think_prefix(engine, &chat, DS4_THINK_NONE);
            puts("Thinking mode: none.");
        } else if (!strncmp(cmd, "/power", 6) && (cmd[6] == '\0' || isspace((unsigned char)cmd[6]))) {
            char *arg = trim_inplace(cmd + 6);
            if (!arg[0]) {
                printf("Power: %d%%.\n", ds4_session_power(chat.session));
            } else {
                int power = 0;
                if (!parse_power_percent(arg, &power)) {
                    fprintf(stderr, "ds4: /power must be between 1 and 100\n");
                } else if (ds4_session_set_power(chat.session, power) != 0) {
                    fprintf(stderr, "ds4: failed to set /power\n");
                } else {
                    cfg->engine.power_percent = power;
                    printf("Power: %d%%.\n", power);
                }
            }
        } else if (!strncmp(cmd, "/ctx", 4) && (cmd[4] == '\0' || isspace((unsigned char)cmd[4]))) {
            char *arg = trim_inplace(cmd + 4);
            if (!arg[0]) {
                fprintf(stderr, "ds4: /ctx needs a positive integer\n");
            } else {
                cfg->gen.ctx_size = parse_int(arg, "/ctx");
                log_context_memory(cfg->engine.backend,
                                   cfg->gen.ctx_size,
                                   ds4_engine_prefill_chunk(engine),
                                   cfg->engine.ssd_streaming);
                rc = repl_chat_set_ctx(engine, &chat, cfg->gen.ctx_size);
                if (rc != 0) {
                    linenoiseFree(line);
                    break;
                }
                ds4_think_mode effective = ds4_think_mode_for_context(cfg->gen.think_mode,
                                                                      chat.ctx_size);
                repl_chat_apply_think_prefix(engine, &chat, effective);
                cli_warn_think_max_downgraded(&cfg->gen, "/ctx");
            }
        } else if (!strcmp(cmd, "/quit") || !strcmp(cmd, "/exit")) {
            linenoiseFree(line);
            break;
        } else if (!strncmp(cmd, "/read", 5) && (cmd[5] == '\0' || isspace((unsigned char)cmd[5]))) {
            char *path = trim_inplace(cmd + 5);
            if (!path[0]) {
                fprintf(stderr, "ds4: /read needs a file path\n");
            } else {
                char *prompt = read_prompt_file(path, false);
                if (prompt) {
                    rc = run_chat_turn(engine, cfg, &chat, prompt);
                    free(prompt);
                }
            }
        } else if (cmd[0] == '/') {
            fprintf(stderr, "ds4: unknown command: %s\n", cmd);
            fprintf(stderr, "ds4: type /help for commands\n");
        } else {
            rc = run_chat_turn(engine, cfg, &chat, cmd);
        }