固件 0.1.14~0.1.16-c5：Hub 按需启停（hubctl）、开机长按统一 5 s

Co-Authored-By: Claude Opus 5.5 <[email protected]>

firmware/main/cmd.c

@@ -5,6 +5,8 @@
 
 #include "cmd_priv.h"
 #include "evlog.h"
+#include "hal_time.h"
+#include "hubctl.h"
 
 /* ---- 名字表（线上用的，全 ASCII） ---------------------------------------- */
 
@@ -14,6 +16,7 @@ static const char *const k_names[CMD_COUNT] = {
     [CMD_VBUS] = "vbus",       [CMD_FAN] = "fan",         [CMD_EVENTS] = "events",
     [CMD_POWER] = "power",     [CMD_WIFI] = "wifi",       [CMD_MQTT] = "mqtt",
     [CMD_NET] = "net",         [CMD_OTA] = "ota",         [CMD_FLASH_MODE] = "flash_mode",
+    [CMD_HUB] = "hub",
 };
 
 static const char *const k_errs[CMD_ERR_COUNT] = {
@@ -106,6 +109,7 @@ static const handler_t k_handlers[CMD_COUNT] = {
     [CMD_VBUS] = do_vbus,       [CMD_FAN] = do_fan,         [CMD_EVENTS] = do_events,
     [CMD_POWER] = do_power,     [CMD_WIFI] = do_wifi,       [CMD_MQTT] = do_mqtt,
     [CMD_NET] = do_net,        [CMD_OTA] = do_ota,        [CMD_FLASH_MODE] = do_flash_mode,
+    [CMD_HUB] = do_hub,
 };
 
 static cmd_id_t lookup(const char *name)
@@ -154,6 +158,9 @@ static size_t reply(char *out, size_t len, bool has_seq, uint32_t seq, cmd_err_t
 size_t cmd_handle_line(cmd_link_t link, const char *line, char *out, size_t out_len)
 {
     s_stats.lines++;
+    if (link == CMD_LINK_USB) {
+        hubctl_touch(hal_time_now_ms()); /* 解析得过得不过都算：有人正对着 USB 敲 */
+    }
 
     /* 两块大缓冲放静态区：处理器只在执行器任务里跑（cmd.h），不可重入，
        而 1.5 KB 放在那个任务的栈上就是把栈顶到头。 */