diff --git a/scripts/podx-tools.sh b/scripts/podx-tools.sh
index ea377aa..61c247f 100755
--- a/scripts/podx-tools.sh
+++ b/scripts/podx-tools.sh
@@ -105,21 +105,16 @@ _kb_id_by_name() {
   local kb_name="$1"
   _require "OPENWEBUI_API_KEY" "$OPENWEBUI_API_KEY"
   _require "OPENWEBUI_URL" "$OPENWEBUI_URL"
-  curl -sS -H "Authorization: Bearer $OPENWEBUI_API_KEY" \
-    "$(_owui_url)/api/v1/knowledge/list" \
-  | python3 - "$kb_name" <<'PY'
-import sys,json,os
-name=sys.argv[1]
+  local url
+  url="$(_owui_url)/api/v1/knowledge/list"
+  curl -sS -H "Authorization: Bearer $OPENWEBUI_API_KEY" "$url" \
+    | python3 -c 'import sys,json,os; name=os.environ.get("KB_NAME");
 try:
   data=json.load(sys.stdin)
 except Exception:
-  print("", end="")
-  sys.exit(0)
-for kb in data:
-  if kb.get("name")==name:
-    print(kb.get("id",""), end="")
-    break
-PY
+  print("", end=""); sys.exit(0)
+print(next((kb.get("id","") for kb in data if kb.get("name")==name), ""), end="")' \
+    KB_NAME="$kb_name"
 }
 
 _help() {
@@ -306,26 +301,43 @@ print(f\"Indexed {n} document(s).\")"
     FILE_ID="$(python3 -c 'import sys,json; d=json.load(sys.stdin); print(d.get("id") or (d.get("data") or {}).get("id",""))' <<<"$FILE_JSON")"
     if [ -z "$FILE_ID" ]; then echo "Upload failed (no file id)"; exit 1; fi
 
-    # 2) Attach
+    # 2) Resolve KB and attach
     KB_ID="$(_kb_id_by_name "$kb_name")"
     echo "[owui] attaching to KB: $kb_name  (id: $KB_ID)"
     if [ -z "$KB_ID" ]; then echo "KB '$kb_name' not found"; exit 1; fi
 
-    tmp_body="$(_mktemp)"; tmp_code="$(_mktemp)"
-    curl -sS -X POST -H "Authorization: Bearer $OPENWEBUI_API_KEY" -H "Content-Type: application/json" \
+    # Attach: capture headers, body, http code and curl exit
+    tmp_body="$(_mktemp)"; tmp_code="$(_mktemp)"; tmp_hdrs="$(_mktemp)"
+    curl -sS -X POST \
+      -H "Authorization: Bearer $OPENWEBUI_API_KEY" \
+      -H "Content-Type: application/json" \
       -d "{\"file_id\":\"$FILE_ID\"}" \
-      -w "%{http_code}" --output "$tmp_body" "$(_owui_url)/api/v1/knowledge/$KB_ID/file/add" >"$tmp_code" || true
+      -D "$tmp_hdrs" \
+      -w "%{http_code}" --output "$tmp_body" \
+      "$(_owui_url)/api/v1/knowledge/$KB_ID/file/add" >"$tmp_code" || true
     curl_exit=$?; http_code="$(cat "$tmp_code" 2>/dev/null || echo 0)"
-    RESP="$(cat "$tmp_body")"
-    rm -f "$tmp_body" "$tmp_code"
 
+    echo "[owui] response headers:"; sed -n '1,5p' "$tmp_hdrs" || true
+    RESP="$(cat "$tmp_body")"
     echo "$RESP" | ppjson
+
+    rm -f "$tmp_body" "$tmp_code" "$tmp_hdrs"
+
     if [ $curl_exit -ne 0 ]; then
       echo "Attach failed: curl exit $curl_exit" >&2; exit $curl_exit
     fi
-    if [ "$http_code" != "200" ]; then
-      echo "Attach failed (HTTP $http_code)" >&2; exit 1
+    # Some environments report curl(23) sporadically; treat missing code as non-200
+    if [ -z "$http_code" ] || [ "$http_code" = "000" ]; then
+      echo "Attach failed: no HTTP code returned" >&2; exit 1
     fi
+    case "$http_code" in
+      200|201|204)
+        : # success
+        ;;
+      *)
+        echo "Attach failed (HTTP $http_code)" >&2; exit 1
+        ;;
+    esac
     ;;
 
   owui-kb-files)