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bb6d2aa | 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 | from __future__ import annotations
from dataclasses import dataclass, field
from typing import Any
from staplebridge.chemistry.state import StapleState
@dataclass
class TransitionStep:
state: StapleState
next_state: StapleState
candidates: list[StapleState]
chosen_idx: int
t: int
@dataclass
class WeightedTrajectory:
steps: list[TransitionStep]
terminal_state: StapleState
terminal_energy: float
weight: float = 0.0
context: dict[str, Any] = field(default_factory=dict)
# Hydrocarbon Exact-SB uses these fields to keep plan-conditioned positive
# paths separate from off-plan/unfinished failures. Defaults preserve all
# legacy callers.
is_positive: bool = True
failure_reason: str | None = None
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