Scope device uniqueness per parent, null type/location for sub-components, hide sub-components from list, flat battery summary for parent devices

templates/device_add.html

@@ -56,6 +56,7 @@
     </div>
     </div><!-- #battery-fields -->
 
+    {% if not prefill_parent %}
     <div class="form-group">
       <label>Type</label>
       {% set _preset_types = ['Remote Control','Game Controller','Flashlight','Lock','Sensor','Toy','Clock','Smoke Detector'] %}
@@ -94,6 +95,7 @@
              placeholder="e.g. Living Room, Bedroom"
              style="display:none;margin-top:0.4rem;">
     </div>
+    {% endif %}
 
     <div class="form-group">
       <label for="notes">Notes</label>