Disable Gitea workflows and stabilize VNC startup

Pause automated builds while updating the image, and improve VNC startup/logging with a one-way clipboard bridge for reliable browser sync.

entrypoint.sh

@@ -32,12 +32,36 @@ if [ ! -z "$VNC_PASSWORD" ]; then
 fi
 
 # Export environment variables for supervisord
-export DISPLAY
+export DISPLAY=${DISPLAY:-:0}
 export VNC_PORT
 export NOVNC_PORT
 export VNC_RESOLUTION
 export VNC_DEPTH
 export USER
 
+# Ensure X11 socket directory exists with the correct permissions (needed by Xvnc)
+mkdir -p /tmp/.X11-unix
+chmod 1777 /tmp/.X11-unix
+chown root:root /tmp/.X11-unix
+
+# Remove stale X lock files for the configured DISPLAY to avoid "Server is already active" errors
+DISPLAY_NUM=${DISPLAY#:}
+LOCK_FILE="/tmp/.X${DISPLAY_NUM}-lock"
+SOCKET_FILE="/tmp/.X11-unix/X${DISPLAY_NUM}"
+if [ -f "$LOCK_FILE" ]; then
+    LOCK_PID=$(cat "$LOCK_FILE" 2>/dev/null || true)
+    if pgrep -f "Xvnc :${DISPLAY_NUM}" >/dev/null 2>&1; then
+        echo "Existing Xvnc server detected for display :${DISPLAY_NUM}; leaving lock file intact"
+    elif [ -n "$LOCK_PID" ] && kill -0 "$LOCK_PID" 2>/dev/null; then
+        echo "Lock file $LOCK_FILE points to PID $LOCK_PID, but no Xvnc found; removing stale lock"
+        rm -f "$LOCK_FILE"
+        rm -f "$SOCKET_FILE"
+    else
+        echo "Removing stale X lock file $LOCK_FILE"
+        rm -f "$LOCK_FILE"
+        rm -f "$SOCKET_FILE"
+    fi
+fi
+
 # Start supervisord as root (which will start processes as nicotine user)
 exec "$@"