fix: proper XML — <toolshelf>+<memberTool> per SideFX schema (was invalid <shelf>)

toolbar/hermes_bridge.shelf

@@ -1,8 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <shelfDocument>
-  <shelf name="hermes_bridge" label="Hermes Bridge">
+  <toolshelf name="hermes_bridge" label="Hermes Bridge">
+    <memberTool name="hermes_bridge_toggle"/>
+  </toolshelf>
   <tool name="hermes_bridge_toggle" label="Toggle Bridge" icon="MISC_python">
-    <help>Toggle the Hermes-Houdini Bridge on/off. \nRight-click: Set port.</help>
+    <helpText><![CDATA[Toggle the Hermes-Houdini Bridge.
+Right-click: Set port.]]></helpText>
     <script scriptType="python"><![CDATA[
 import hou
 import socket
@@ -41,9 +44,9 @@ def toggle(port):
         hou.hscript(f"openport {port} 0.0.0.0")
         host = socket.gethostname()
         hou.ui.displayMessage(
-            f"Bridge OPEN — {host}:{port}\n\n"
+            f"Bridge OPEN \u2014 {host}:{port}\n\n"
-            f"Copy to Hermes:\n"
+            f"Tell Hermes:\n"
-            f'"Hey Hermes, I have Houdini open on {host} (port {port})"',
+            f'"I have Houdini open on {host} (port {port})"',
             severity=hou.severityType.ImportantMessage,
             title="Hermes Bridge"
         )
@@ -56,7 +59,7 @@ if kwargs.get("altclick") or kwargs.get("ctrlclick"):
         "Bridge port number",
         buttons=("OK", "Cancel"),
         default_choice=0,
-        title="Hermes Bridge — Port",
+        title="Hermes Bridge \u2014 Port",
         initial_contents=str(port)
     )
     if new and new[0]:
@@ -74,5 +77,4 @@ else:
     toggle(load_port())
 ]]></script>
   </tool>
-  </shelf>
 </shelfDocument>