"""Shared input shaping for session-level evaluation runs."""

from __future__ import annotations

from collections.abc import Iterable, Mapping


def enriched_masked_turns(masked_turns: Iterable[Mapping[str, object]]) -> list[dict[str, object]]:
    """Attach the same 1-based turn sequence to every session evaluation path."""
    enriched: list[dict[str, object]] = []
    for index, turn in enumerate(masked_turns, start=1):
        item = dict(turn)
        item["seq"] = index
        enriched.append(item)
    return enriched