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414dc55 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | """Session - the stateful controller the UI drives.
Holds the case, the backend, the cached suspect briefs, and the latest immutable
GameState snapshot. Each action advances the snapshot; the snapshots themselves are
never mutated.
"""
from __future__ import annotations
from collections.abc import Iterator
from ..llm.backend import LLMBackend
from ..projections.player_view import PlayerCaseView, build_player_view
from ..projections.suspect_brief import SuspectBrief, build_suspect_brief
from ..schemas.accusation import Accusation, Verdict
from ..schemas.case import CaseFile
from ..schemas.clue import Clue
from .accusation import finalize_accusation
from .evidence_board import available_evidence, search_location
from .game_state import GameState, new_game_state
from .interrogation_loop import InterrogationEvent, interrogate
class Session:
def __init__(self, case: CaseFile, backend: LLMBackend) -> None:
self.case = case
self.backend = backend
self._briefs: dict[str, SuspectBrief] = {
s.sus_id: build_suspect_brief(case, s) for s in case.suspects
}
self.player_view: PlayerCaseView = build_player_view(case)
self.state: GameState = new_game_state(
case.case_id, tuple(s.sus_id for s in case.suspects)
)
def brief(self, sus_id: str) -> SuspectBrief:
return self._briefs[sus_id]
def interrogate(
self,
sus_id: str,
question: str,
presented_clue_id: str | None = None,
seed: int | None = None,
) -> Iterator[InterrogationEvent]:
for event in interrogate(
self.backend, self.case, self._briefs[sus_id], self.state, sus_id, question,
presented_clue_id, seed,
):
if event.final is not None:
self.state = event.final.state
yield event
def search(self, loc_id: str) -> tuple[Clue, ...]:
self.state, found = search_location(self.state, self.case, loc_id)
return found
def add_note(self, text: str) -> None:
from .state_update import add_player_note
self.state = add_player_note(self.state, text)
def evidence(self) -> tuple[Clue, ...]:
return available_evidence(self.state, self.case)
def accuse(self, accusation: Accusation) -> Verdict:
self.state, verdict = finalize_accusation(self.state, self.case, accusation)
return verdict
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