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temporal commitment coherence tracking.
Episode lifecycle:
1. reset() -> agent receives scenario briefing + calendar + inbox
2. step() -> agent makes one tool call per step (done=False)
3. step(submit_plan) or max_steps reached -> grading + done=True
"""
from __future__ import annotations
import random
import uuid
from typing import Any, Optional
from openenv.core.env_server import Environment
from openenv.core.env_server.types import EnvironmentMetadata
from constants import AUTHOR, PROJECT_DESCRIPTION, PROJECT_NAME, VERSION
from models import CommitmentAction, CommitmentObservation, CommitmentState
from server.domain import ScenarioDef
from server.world import WorldState
class CommitmentEnvironment(
Environment[CommitmentAction, CommitmentObservation, CommitmentState]
):
def __init__(self) -> None:
super().__init__()
self._world: Optional[WorldState] = None
self._scenario: Optional[ScenarioDef] = None
self._episode_id: str = ""
self._step_count: int = 0
self._done: bool = False
self._cumulative_reward: float = 0.0
self._last_tool_result: str = ""
self._last_breakdown: dict[str, float] = {}
self._last_feedback: str = ""
# ------------------------------------------------------------------
# Task selection
# ------------------------------------------------------------------
def _select_scenario(
self,
scenario_id: Optional[str] = None,
difficulty: Optional[str] = None,
) -> ScenarioDef:
from server.tasks import get_all_scenarios, get_scenario, get_scenarios_by_difficulty
if scenario_id:
s = get_scenario(scenario_id)
if s is None:
raise ValueError(f"Unknown scenario_id: {scenario_id}")
return s
if difficulty:
candidates = get_scenarios_by_difficulty(difficulty)
if not candidates:
raise ValueError(f"No scenarios for difficulty: {difficulty}")
return random.choice(candidates)
return random.choice(list(get_all_scenarios().values()))
# ------------------------------------------------------------------
# Core API
# ------------------------------------------------------------------
def reset(
self,
seed: Optional[int] = None,
episode_id: Optional[str] = None,
**kwargs: Any,
) -> CommitmentObservation:
if seed is not None:
random.seed(seed)
scenario = self._select_scenario(
scenario_id=kwargs.get("scenario_id") or kwargs.get("task_id"),
difficulty=kwargs.get("difficulty"),
)
self._scenario = scenario
self._world = WorldState(scenario)
self._episode_id = episode_id or str(uuid.uuid4())
self._step_count = 0
self._done = False
self._cumulative_reward = 0.0
self._last_tool_result = ""
self._last_breakdown = {}
self._last_feedback = "New episode started. Read the briefing and use tools to manage the situation."
return self._build_observation(reward=0.0, done=False)
def step(
self,
action: CommitmentAction,
timeout_s: Optional[float] = None,
**kwargs: Any,
) -> CommitmentObservation:
if self._world is None or self._scenario is None:
raise ValueError("No active episode. Call reset() first.")
if self._done:
raise ValueError("Episode already completed. Call reset() to start a new one.")
self._step_count += 1
self._world.step_count = self._step_count
at = action.action_type.lower().strip()
if at == "submit_plan" or self._step_count >= self._scenario.max_steps:
return self._finish_episode()
step_reward = 0.0
tool_result, dispatch_status = self._dispatch_tool(action, at)
self._last_tool_result = tool_result
if dispatch_status == "conflict":
step_reward = -0.05
elif dispatch_status == "success" and at in ("schedule_meeting", "reschedule_event", "send_email", "book_restaurant"):
step_reward = 0.05
self._cumulative_reward += step_reward
self._last_feedback = ""
self._last_breakdown = {}
return self._build_observation(reward=step_reward, done=False)
def _finish_episode(self) -> CommitmentObservation:
from server.graders import grade_scenario
assert self._world is not None
assert self._scenario is not None
total_reward, breakdown, feedback = grade_scenario(
self._scenario, self._world,
)
self._done = True
self._cumulative_reward += total_reward
self._last_breakdown = breakdown
self._last_feedback = feedback
self._last_tool_result = "Plan submitted. Episode graded."
return self._build_observation(reward=total_reward, done=True)
# ------------------------------------------------------------------
# Tool dispatch
# ------------------------------------------------------------------
def _dispatch_tool(self, action: CommitmentAction, at: str) -> tuple[str, str]:
assert self._world is not None
turn = self._step_count
if at == "view_calendar":
return self._world.view_calendar(action.date), "info"
elif at == "check_availability":
return self._world.check_availability(action.person), "info"
elif at == "search_restaurants":
return self._world.search_restaurants(
cuisine=action.cuisine,
max_price=action.max_price,
dietary=action.dietary,
max_distance_miles=action.max_distance_miles,
near_airport=action.near_airport,
), "info"
elif at == "schedule_meeting":
result = self._world.schedule_meeting(
title=action.title,
date=action.date,
time=action.time,
duration_min=action.duration_min,
participants=action.participants,
location=action.location,
turn=turn,
)
status = "conflict" if result.startswith("CONFLICT:") else "success"
return result, status
elif at == "reschedule_event":
result = self._world.reschedule_event(
event_id=action.event_id,
new_time=action.new_time,
turn=turn,
)
status = "conflict" if result.startswith("CONFLICT:") else ("error" if "not found" in result.lower() else "success")
return result, status
elif at == "cancel_event":
result = self._world.cancel_event(action.event_id, turn=turn)
status = "error" if "not found" in result.lower() else "success"
return result, status
elif at == "send_email":
return self._world.send_email(
to=action.to,
subject=action.subject,
body=action.body,
turn=turn,
), "success"
elif at == "book_restaurant":
result = self._world.book_restaurant(action.restaurant_name, turn=turn)
status = "error" if "not found" in result.lower() else "success"
return result, status
else:
return (
f"Unknown action_type: '{at}'. Valid types: view_calendar, check_availability, search_restaurants, schedule_meeting, reschedule_event, cancel_event, send_email, book_restaurant, submit_plan",
"error",
)
# ------------------------------------------------------------------
# Observation builder
# ------------------------------------------------------------------
def _build_observation(self, *, reward: float, done: bool) -> CommitmentObservation:
assert self._world is not None
assert self._scenario is not None
return CommitmentObservation(
scenario_id=self._scenario.scenario_id,
difficulty=self._scenario.difficulty,
briefing=self._scenario.briefing if self._step_count == 0 else "",
tool_result=self._last_tool_result,
calendar_snapshot=self._world.get_calendar_snapshot(),
inbox=self._world.get_inbox_snapshot(),
pending_commitments=len(self._world.get_active_commitments()),
step_number=self._step_count,
max_steps=self._scenario.max_steps,
reward=reward,
reward_breakdown=self._last_breakdown,
done=done,
feedback=self._last_feedback,
)
# ------------------------------------------------------------------
# State property
# ------------------------------------------------------------------
@property
def state(self) -> CommitmentState:
from server.tasks import get_all_scenarios
violations = self._world.get_silent_violations() if self._world else []
return CommitmentState(
episode_id=self._episode_id,
step_count=self._step_count,
scenario_id=self._scenario.scenario_id if self._scenario else "",
difficulty=self._scenario.difficulty if self._scenario else "",
completed=self._done,
cumulative_reward=self._cumulative_reward,
commitment_count=len(self._world.commitment_ledger) if self._world else 0,
violation_count=len(violations),
available_tasks=list(get_all_scenarios().keys()),
)
def get_metadata(self) -> EnvironmentMetadata:
return EnvironmentMetadata(
name=PROJECT_NAME,
description=PROJECT_DESCRIPTION,
version=VERSION,
author=AUTHOR,
)
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