Fix entrypoint patch - insert before exec node-red

integrate-into-nodered.sh

@@ -71,7 +71,8 @@ if [[ -f "$ENTRYPOINT" ]]; then
     cp "$ENTRYPOINT" "$ENTRYPOINT.bak.$(date +%s)"
 
     if ! grep -q "$PACKAGE_NAME" "$ENTRYPOINT"; then
-        cat >> "$ENTRYPOINT" << 'PATCH_EOF'
+        PATCH_TMP=$(mktemp)
+        cat > "$PATCH_TMP" << 'PATCH_EOF'
 
 # --- node-red-contrib-nextcloud-zammad ---
 SRC_ZAMMAD="/opt/nextcloud-nodes/node-red-contrib-nextcloud-zammad"
@@ -83,10 +84,16 @@ if [ -d "$SRC_ZAMMAD" ]; then
     cp -a "$SRC_ZAMMAD" /data/node_modules/
     chown -R node-red:node-red "$DST_ZAMMAD" 2>/dev/null || true
     chmod -R a+rX "$DST_ZAMMAD" 2>/dev/null || true
-    echo "[entrypoint] Zammad nodes installed."
 fi
+
 PATCH_EOF
-        echo "  entrypoint.sh patched."
+
+        awk -v patchfile="$PATCH_TMP" '
+            /^exec/ && !done { while ((getline line < patchfile) > 0) print line; close(patchfile); done=1 }
+            { print }
+        ' "$ENTRYPOINT" > "$ENTRYPOINT.tmp" && mv "$ENTRYPOINT.tmp" "$ENTRYPOINT"
+        rm -f "$PATCH_TMP"
+        echo "  entrypoint.sh patched (inserted before exec)."
     else
         echo "  entrypoint.sh already contains $PACKAGE_NAME."
     fi