src/case_zero/schemas/accusation.py

"""Final accusation and the scored verdict.

The verdict is produced by deterministic scoring (engine.scoring), not by the model,
so a jailbroken confession in prose can never change the outcome.
"""

from __future__ import annotations

from pydantic import BaseModel, ConfigDict, Field


class Accusation(BaseModel):
    model_config = ConfigDict(frozen=True)

    accused_sus_id: str
    weapon_id: str | None = None
    motive_id: str | None = None
    cited_clue_ids: tuple[str, ...] = ()


class Verdict(BaseModel):
    model_config = ConfigDict(frozen=True)

    solved: bool
    culprit_correct: bool
    weapon_correct: bool
    motive_correct: bool
    score: int = Field(ge=0, le=100)
    breakdown: tuple[tuple[str, int], ...] = ()
    rationale: str = ""
    deduction_chain: tuple[str, ...] = ()