docs(unifi): describe import and test helper functions

server/plugins/unifi_import/script.py

@@ -171,6 +171,7 @@ def get_entries(plugin_objects: Plugin_Objects) -> Plugin_Objects:
 
 # -----------------------------------------------------------------------------
 def collect_details(device_type, devices, online_macs, processed_macs, plugin_objects, device_label, device_vendor, force_import):
+    """Add eligible UniFi devices with their identity, topology, and wireless SSID to plugin results."""
     for device in devices:
         mylog('verbose', [f'{json.dumps(device)}'])
 

test/plugins/test_unifi_import.py

@@ -24,6 +24,7 @@ _stubbed_module_names = []
 
 
 def _stub(name: str, **attrs):
+    """Register an absent dependency stub and track it for cleanup after importing the plugin."""
     if name not in sys.modules:
         mod = types.ModuleType(name)
         for k, v in attrs.items():