EspruinoHub IDE can't connect to Puck.js

Hey everyone! I'm having some trouble accessing the Puck.js from the EspruinoHub IDE. After following these steps (RPi3 -> fresh Raspbian lite -> Installation of everything -> Headless Startup) I'm able to access the server at :1888 and Node Red at :1880 but the IDE doesn't give me the option to connect to the Puck.js. It just says "SEARCHING... NO PORTS FOUND".

There's also an error reported in the Chrome developer console when I click on the Connect / Disconnect button that may be related (image attached).

When I visit :1888/status this is what I get:

 Config loaded
 Connecting...
 Server is listening on http://localhost:1888
 www directory found at /home/pi/EspruinoHub/www. Web server at http://localhost:1888
 log directory found at /home/pi/EspruinoHub/log. Enabling logging.
 Connected
 Serving /home/pi/EspruinoHub/www/ide.html
 Serving /home/pi/EspruinoHub/www/paho-mqtt.js
 Tue Sep 04 2018 14:59:35 GMT+0000 (UTC) Connection accepted.
 Websocket MQTT connected
 Serving /home/pi/EspruinoHub/www/ide.html
 Websocket MQTT closed (WebSocket)
 Websocket MQTT closed (MQTT)
 Serving /home/pi/EspruinoHub/www/paho-mqtt.js
 Tue Sep 04 2018 15:10:50 GMT+0000 (UTC) Connection accepted.
 Websocket MQTT connected
 Serving /home/pi/EspruinoHub/www/rssi.html
 Serving /home/pi/EspruinoHub/www/tinydash.css
 Serving /home/pi/EspruinoHub/www/tinydash.js
 Serving /home/pi/EspruinoHub/www/paho-mqtt.js
 Tue Sep 04 2018 15:19:41 GMT+0000 (UTC) Connection accepted.
 Websocket MQTT connected
 Websocket MQTT closed (WebSocket)
 Websocket MQTT closed (MQTT)
 Serving /home/pi/EspruinoHub/www/index.html
 Websocket MQTT closed (WebSocket)
 Websocket MQTT closed (MQTT)

Tue Sep 04 2018 15:24:11 GMT+0000 (UTC)

And when I run sudo journalctl -f -u EspruinoHub this is what I get:

-- Logs begin at Tue 2018-09-04 15:39:31 UTC. --
Sep 04 15:39:33 raspberrypi EspruinoHub[321]: setterm: $TERM is not defined.
Sep 04 15:39:33 raspberrypi sudo[367]:       pi : TTY=unknown ; PWD=/home/pi/EspruinoHub ; USER=root ; COMMAND=/sbin/setcap cap_net_raw+eip /usr/bin/node
Sep 04 15:39:33 raspberrypi sudo[367]: pam_unix(sudo:session): session opened for user root by (uid=0)
Sep 04 15:39:33 raspberrypi sudo[367]: pam_unix(sudo:session): session closed for user root
Sep 04 15:39:34 raspberrypi EspruinoHub[321]: <Config> Config loaded
Sep 04 15:39:35 raspberrypi EspruinoHub[321]: <MQTT> Connecting...
Sep 04 15:39:36 raspberrypi EspruinoHub[321]: <HTTP> Server is listening on http://localhost:1888
Sep 04 15:39:36 raspberrypi EspruinoHub[321]: <HTTP> www directory found at /home/pi/EspruinoHub/www. Web server at http://localhost:1888
Sep 04 15:39:36 raspberrypi EspruinoHub[321]: <History> log directory found at /home/pi/EspruinoHub/log. Enabling logging.
Sep 04 15:39:36 raspberrypi EspruinoHub[321]: <MQTT> Connected
Sep 04 15:40:36 raspberrypi EspruinoHub[321]: <HTTP> Serving /home/pi/EspruinoHub/www/index.html
Sep 04 15:40:39 raspberrypi EspruinoHub[321]: <HTTP> Serving /home/pi/EspruinoHub/www/ide.html
Sep 04 15:40:39 raspberrypi EspruinoHub[321]: <HTTP> Serving /home/pi/EspruinoHub/www/paho-mqtt.js
Sep 04 15:40:42 raspberrypi EspruinoHub[321]: <HTTP> Tue Sep 04 2018 15:40:42 GMT+0000 (UTC) Connection accepted.
Sep 04 15:40:42 raspberrypi EspruinoHub[321]: <HTTP> Websocket MQTT connected
Sep 04 15:41:50 raspberrypi EspruinoHub[321]: <HTTP> Serving /home/pi/EspruinoHub/www/index.html
Sep 04 15:41:53 raspberrypi EspruinoHub[321]: <HTTP> Serving /home/pi/EspruinoHub/www/ide.html
Sep 04 15:41:53 raspberrypi EspruinoHub[321]: <HTTP> Serving /home/pi/EspruinoHub/www/paho-mqtt.js
Sep 04 15:41:55 raspberrypi EspruinoHub[321]: <HTTP> Tue Sep 04 2018 15:41:55 GMT+0000 (UTC) Connection accepted.
Sep 04 15:41:55 raspberrypi EspruinoHub[321]: <HTTP> Websocket MQTT connected
Sep 04 15:41:55 raspberrypi EspruinoHub[321]: <HTTP> Websocket MQTT closed (MQTT)
Sep 04 15:41:56 raspberrypi EspruinoHub[321]: <HTTP> Websocket MQTT closed (WebSocket)

Bluetooth seems to be working and is detecting the Puck.js if I check it from bluetoothctl:

pi@raspberrypi:~ $ sudo bluetoothctl
[NEW] Controller B8:27:EB:DA:35:9A raspberrypi [default]
[NEW] Device 76:09:07:35:4B:80 76-09-07-35-4B-80
[bluetooth]# agent on
Agent registered
[bluetooth]# default-agent
Default agent request successful
[bluetooth]# scan on
Discovery started
[CHG] Controller B8:27:EB:DA:35:9A Discovering: yes
[NEW] Device DA:88:7A:76:55:3F Puck.js 553f

Am I missing a step or something?

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