Device and component not being tied in MQTT Integrations page

Configuration
1

I have a custom PCB with an WiFi device which is publishing stuff into MQTT.

Discovery is working, the device can be accessed through Home Assistant, and so far so good.

However, I decided to integrate my device with the integrations metadata stuff which seems very nice for organizing everything. However, this happens:

Screenshot%20from%202019-07-10%2017-48-52
Screenshot%20from%202019-07-10%2017-48-52652×926 15.3 KB

The payload for the configuration discovery is the following (formatted for readability):

# homeassistant/fan/fancontrol_headquarters/config
{
  "~":"espthings/fancontrol_headquarters",
  "name":"headquarters_fan",
  "avty_t":"~/available",
  "uniq_id":"espA020A607904E_fan",
  "cmd_t":"~/fan/set",
  "stat_t":"~/fan/state",
  "spd_cmd_t":"~/fan/set_speed",
  "spd_stat_t":"~/fan/state_speed",
  "spds":["low","medium","high"],
  "dev":{
    "ids":"fancontrol_headquarters",
    "mf":"BetaRho Technologies",
    "mdl":"fancontrol",
    "name":"Fan Control for Headquarters",
    "sw":"0.9",
    "cns":[{"type":"mac","identifier":"A0:20:A6:07:90:4E"}]
  }
}

As seen in the picture, Home Assistant detects the "dev" stuff, and puts it into the integrations configuration page. Also detects the component and I can use the fan. But I expected for the component to be into the device and manage them from there (just like the ZigBee2MQTT devices, or other MQTT integrations). And I suppose I am formatting something wrong, but cannot see the problem :frowning: