if err != nil {
		return nil, http.ErrNotMultipart
	}
	if d != "multipart/form-data" {
		return nil, http.ErrNotMultipart
	}
	boundary, ok := params["boundary"]
	if !ok {
		return nil, http.ErrMissingBoundary
	}
	return multipart.NewReader(r.Body, boundary), nil
}

// PostPolicyBucketHandler - POST policy
// ----------

query.highlight.tag.pre=<strong>
# Tag to use after highlighted text.
query.highlight.tag.post=</strong>
# Boundary characters for query highlighting.
query.highlight.boundary.chars=u0009u000Au0013u0020
# Maximum scan for query highlight boundaries.
query.highlight.boundary.max.scan=20
# Scanner type for query highlight boundaries.
query.highlight.boundary.scanner=chars
# Encoder type for query highlighting.
query.highlight.encoder=default

	public final fun -deprecated_parts ()Ljava/util/List;
	public final fun -deprecated_size ()I
	public final fun -deprecated_type ()Lokhttp3/MediaType;
	public final fun boundary ()Ljava/lang/String;
	public fun contentLength ()J
	public fun contentType ()Lokhttp3/MediaType;
	public fun isOneShot ()Z
	public final fun part (I)Lokhttp3/MultipartBody$Part;

            return text;
        }
        return text.replaceAll("<[^>]+>", "");
    }

    /**
     * Sanitizes document content by escaping delimiter-like sequences
     * to prevent boundary spoofing in LLM prompts.
     *
     * @param text the text to sanitize
     * @return the sanitized text with delimiter sequences escaped
     */
    protected String sanitizeDocumentContent(final String text) {