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_report.c

@@ -12,6 +12,7 @@
 #include "evlog.h"
 #include "hal_gpio.h"
 #include "hal_time.h"
+#include "hubctl.h"
 #include "ota.h"
 #include "pca9555.h"
 #include "phonerail.h"
@@ -102,6 +103,17 @@ static void thermal_obj(cj_writer_t *w, const thermal_snap_t *t)
     cj_w(w, "]},\"derate\":%s", b(t->derate));
 }
 
+/* 0.1.14：`"hub":{"on":true,"mode":"auto","why":"vbus","hold":0,"idle":0}`（hubctl.h）。
+   `why` 是上一拍开着的理由（关着是 "off"）；`hold` = 保持窗口剩余秒数；
+   `idle` = 只剩 idle 这一条理由时，离自动关还有几秒（否则 0）。 */
+void cmd_report_hub(cj_writer_t *w)
+{
+    const uint32_t now = hal_time_now_ms();
+    cj_w(w, ",\"hub\":{\"on\":%s,\"mode\":\"%s\",\"why\":\"%s\",\"hold\":%lu,\"idle\":%lu}",
+         b(hubctl_is_on()), hub_mode_str(hubctl_mode()), hub_why_str(hubctl_why()),
+         (unsigned long)hubctl_hold_left_s(now), (unsigned long)hubctl_idle_left_s(now));
+}
+
 void cmd_report_status(cj_writer_t *w, const cmd_env_t *env)
 {
     const safety_snap_t *s = env->safety;
@@ -114,6 +126,7 @@ void cmd_report_status(cj_writer_t *w, const cmd_env_t *env)
     } else {
         cj_w(w, ",\"host\":null");
     }
+    cmd_report_hub(w);
     if (s != NULL) {
         if (s->input_ok) {
             cj_w(w, ",\"in\":{\"mv\":%ld,\"ua\":%ld}", (long)s->input.bus_mv,