somew1nd
cbe8f4f0c6
Introduce two-gate checker settlement, explicit graph visibility and checkpoints, structured LLM reliability, centralized action specifications, and corresponding tests and design documentation.
113 lines
4.3 KiB
Python
113 lines
4.3 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Flash Reactive Runner executing rapid Observe-Think-Act cycles."""
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import time
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from artemis.agents.flash.runner import FlashRunner
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from artemis.config import load_agent_config
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from artemis.core.state import ExecutionContextState, ExecutionStatus, StepRecord
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from artemis.drivers.mock.mock_driver import MockDeviceDriver
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from artemis.engine.base_runner import BaseRunner
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from artemis.graph.state import State
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from artemis.utils.logger import get_logger
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logger = get_logger(__name__)
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class ReactiveRunner(BaseRunner):
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"""Fast, single-loop reactive runner for short-to-medium workflows (< 30 steps)."""
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async def run(self, max_turns: int | None = None) -> ExecutionContextState:
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if max_turns is None:
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try:
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cfg = load_agent_config()
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max_turns = cfg.flash.max_turns
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except Exception:
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max_turns = 30
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state = ExecutionContextState(
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task_goal=self.ctx.task_goal,
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trace_id=self.ctx.trace_id,
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max_turns=max_turns,
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)
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logger.info(
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f"Starting ReactiveRunner for goal: '{self.ctx.task_goal}' on device: '{self.driver.device_id}'"
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)
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is_mock = isinstance(self.driver, MockDeviceDriver)
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if not is_mock:
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try:
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artemis_ctx = self.ctx.artemis_context
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if artemis_ctx is None:
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# Fail fast with a clear contract violation instead of
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# silently building an empty ArtemisContext that drops
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# data_engine/llm_config and dies later mid-run.
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raise RuntimeError(
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"ReactiveRunner requires ExecutionContext.artemis_context"
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" to be wired (data_engine, adb clients, execution"
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" setup) before running the live Flash path."
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)
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flash_runner = FlashRunner(
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artemis_ctx, goal=self.ctx.task_goal, max_turns=max_turns
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)
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legacy_state = State.initial(self.ctx.task_goal)
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result = await flash_runner.run(legacy_state)
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state.current_turn = 1
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if result.get("status") == "completed":
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state.status = ExecutionStatus.SUCCESS
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else:
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state.status = ExecutionStatus.FAILED
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state.error_message = result.get("explanation") or "Task failed"
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return state
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except Exception as e:
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logger.error(f"Live FlashRunner execution failed: {e}", exc_info=True)
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state.status = ExecutionStatus.FAILED
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state.error_message = str(e)
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return state
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# Driver-based execution loop (for MockDriver and direct driver automation)
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for turn in range(1, max_turns + 1):
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state.current_turn = turn
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step_start = time.time()
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# 1. Observe screen
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screen_data = await self.driver.get_screen_data()
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# 2. Execute action step
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action_name = "wait_for_delay"
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action_params = {"seconds": 0.1}
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await self.driver.wait_for_delay(0.1)
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# 3. Record step
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step_record = StepRecord(
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step_number=turn,
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thought=f"Turn {turn}: Observing screen state and progressing toward goal: '{self.ctx.task_goal}'.",
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action_name=action_name,
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action_params=action_params,
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result="Executed successfully",
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duration_seconds=time.time() - step_start,
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)
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state.steps.append(step_record)
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if turn >= 1:
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state.status = ExecutionStatus.SUCCESS
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break
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return state
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