const MAX_OPEN_TOKEN_LEN = Math.max(...DSML_OPEN_TOKENS.map((token) => token.length));

const MAX_CLOSE_TOKEN_LEN = Math.max(...DSML_CLOSE_TOKENS.map((token) => token.length));

export interface DeepSeekTextFilter {

interface DeepSeekTextFilter {

/** Push one streamed text chunk and receive any safe visible text segments. */

push(chunk: string): string[];

/** Flush buffered text at stream end, dropping any unterminated DSML block. */