fix(rdesign): run runner startup unconditionally (Scribus doesn't set __main__)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker/scribus-novnc/bridge/scribus_runner.py

@@ -320,7 +320,7 @@ def run_socket_server():
             print(f"[runner] Socket error: {e}", file=sys.stderr)
 
 
-if __name__ == "__main__":
+# Always run — Scribus --python-script doesn't set __name__ to "__main__"
 _ensure_dirs()
 print("[runner] Scribus bridge runner starting...")
 # Run socket server in a thread so Scribus event loop can continue
@@ -329,8 +329,6 @@ if __name__ == "__main__":
 print("[runner] Socket server thread started")
 
 # Keep the script alive
-    # When run via --python-script, Scribus will execute this then exit
-    # We need to keep it running for the socket server
 try:
     while True:
         import time