feat: shelf tool (replaces broken panel), PySide6 fix, descriptor uses HOUDINI_USER_PREF_DIR

hermes_houdini_bridge.json

@@ -1,7 +1,7 @@
 {
-    "hpath": "/home/niklas/Documents/projects_privat/hermes-houdini-bridge",
+    "hpath": "$HOUDINI_USER_PREF_DIR/hermes_houdini_bridge",
     "env": [
-        {"HHB_PACKAGE": "/home/niklas/Documents/projects_privat/hermes-houdini-bridge"}
+        {"HHB_PACKAGE": "$HOUDINI_USER_PREF_DIR/hermes_houdini_bridge"}
     ],
     "load_package_once": true,
     "enable": "houdini_version >= '21.0'"

shelves/hermes_bridge.shelf

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shelfDocument>
+  <tool name="hermes_bridge_toggle" label="Hermes Bridge" icon="MISC_python">
+    <help>Toggle the Hermes-Houdini Bridge on/off. \nRight-click: Set port.</help>
+    <script scriptType="python"><![CDATA[
+import hou
+import socket
+import json
+import os
+
+# ── Config ──────────────────────────────────────────
+CONFIG_FILE = os.path.join(hou.homeHoudiniDirectory(), "hermes_bridge.json")
+DEFAULT_PORT = 12345
+
+def load_port():
+    try:
+        with open(CONFIG_FILE) as f:
+            return json.load(f).get("port", DEFAULT_PORT)
+    except Exception:
+        return DEFAULT_PORT
+
+def save_port(p):
+    with open(CONFIG_FILE, "w") as f:
+        json.dump({"port": p}, f, indent=2)
+
+def is_open(port):
+    result = hou.hscript("openport")[0]
+    return f"Port {port} is open" in result
+
+def toggle(port):
+    if is_open(port):
+        hou.hscript(f"closeport {port}")
+        hou.ui.displayMessage(
+            f"Bridge CLOSED on port {port}",
+            severity=hou.severityType.ImportantMessage,
+            title="Hermes Bridge"
+        )
+    else:
+        hou.hscript(f"closeport {port}")
+        hou.hscript(f"openport {port} 0.0.0.0")
+        host = socket.gethostname()
+        hou.ui.displayMessage(
+            f"Bridge OPEN — {host}:{port}\n\n"
+            f"Copy to Hermes:\n"
+            f'"Hey Hermes, I have Houdini open on {host} (port {port})"',
+            severity=hou.severityType.ImportantMessage,
+            title="Hermes Bridge"
+        )
+
+# ── Right-click: set port ───────────────────────────
+kwargs = kwargs if "kwargs" in dir() else {}
+if kwargs.get("altclick") or kwargs.get("ctrlclick"):
+    port = load_port()
+    new = hou.ui.readInput(
+        "Bridge port number",
+        buttons=("OK", "Cancel"),
+        default_choice=0,
+        title="Hermes Bridge — Port",
+        initial_contents=str(port)
+    )
+    if new and new[0]:
+        try:
+            new_port = int(new[1].strip())
+            save_port(new_port)
+            hou.ui.displayMessage(
+                f"Port set to {new_port}",
+                severity=hou.severityType.Message,
+                title="Hermes Bridge"
+            )
+        except ValueError:
+            pass
+else:
+    toggle(load_port())
+]]></script>
+  </tool>
+</shelfDocument>