"""Eval harness entry point.

Fixture mode (default, key-free): byte-snapshots of deterministic pipeline
stages against recorded cassettes. Live mode: property assertions only —
LLM output is constrained, not pinned.
"""

from pathlib import Path

import yaml

SCENARIOS_FILE = Path(__file__).parent / "scenarios.yaml"


def load_scenarios() -> dict:
    """Load the shared scenario definitions."""
    with SCENARIOS_FILE.open() as handle:
        return yaml.safe_load(handle)


if __name__ == "__main__":
    scenarios = load_scenarios()
    print(f"{len(scenarios['scenarios'])} scenarios, {len(scenarios['refinements'])} refinements")