* @param {string} endpoint * @param {Set<string>} nodeNames * @returns {string | null}

Extract the first fenced code block; fall back to raw text. The regex is permissive about the language tag (e.g. ```py / ```python3 / ``` ...

* Get imports map (for use by nodeParser)

Return a callable that maps text to an embedding vector.

* @param {unknown} value * @returns {value is Record<string, unknown>}

Yield text fragments from strings, content blocks and nested structures.

* @param {string} endpoint * @param {Record<string, string | undefined>} parentByName * @returns {string | undefined}

Find cyclic SCCs in a ChatDev blueprint and describe how to lower them to `Loop` nodes.

Save results to file (thread-safe).

Return selected blocks grouped by provider (provider order preserved).

Send a message through the edge. Args: message: Message payload. Raises: RuntimeError: Edge still ha

Map Dify node id -> MASFactory node name (prefer kind+title, else kind+id tail).

Return a mapping external_id -> unique graph-safe name.

Run the HumanEval `check(candidate)` against `candidate_code`. Returns: (passed, message)

Push output fields to outer attributes according to `push_keys`.

Coerce to bool while ignoring the placeholder sentinel.

Collect multiline CLI input for one field.

Fresh namespace for each evaluation to avoid function name pollution between problems.