Run this all under Aqua

plexMonitor/launchd/com.uberzach.plexMonitor.gui.plist

@@ -2,8 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>UserName</key>
-	<string>tv</string>
+	<key>LimitLoadToSessionType</key>
+	<string>Aqua</string>
 	<key>LimitLoadToHosts</key>
 	<array>
 		<string>beddy.uberzach.com</string>

plexMonitor/launchd/com.uberzach.plexMonitor.playing.plist

@@ -2,8 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>UserName</key>
-	<string>tv</string>
+	<key>LimitLoadToSessionType</key>
+	<string>Aqua</string>
 	<key>LimitLoadToHosts</key>
 	<array>
 		<string>beddy.uberzach.com</string>