增加 BLE MAC 地址管理功能，添加电量灯颜色设置，优化调度器挂起和恢复逻辑

app/drivers/data_port/ble_spp/ble_spp_server.c

@@ -1194,3 +1194,17 @@ const uint8_t *ble_server_get_mac(void)
 {
     return s_mac;
 }
+
+/**
+ * @brief 获取远程设备的 MAC 地址
+ *
+ * @return const uint8_t* MAC[6]
+ */
+void ble_server_get_remote_mac(uint8_t *mac)
+{
+    if (mac == NULL)
+    {
+        return;
+    }
+    memcpy(mac, spp_remote_bda, sizeof(esp_bd_addr_t));
+}

app/drivers/data_port/ble_spp/ble_spp_server.h

@@ -48,3 +48,4 @@ ble_server_status_t ble_server_get_gap_status(void);
 uint32_t ble_server_get_mtu(void);
 
 const uint8_t *ble_server_get_mac(void);
+void ble_server_get_remote_mac(uint8_t *mac);