Replaces the stub Planner's fixed describe_screen/[] behavior with a real decision-maker: AIPlanner uses native tool/function calling (Anthropic or OpenAI, pluggable via AI_PLANNER_PROVIDER) to select exactly one grounded action per turn, with an explicit finish_task(success, reason) tool for completion/failure instead of an ambiguous "no tool call" signal. Default disabled (AI_PLANNER_ENABLED=false) and additive; TaskRunner falls back to the existing stub Planner unchanged when disabled. Amends CONSTITUTION.md's Perception Boundary with one narrow exception: only the AI Planner may receive the current step's raw screenshot bytes alongside Scene, for vision-grounded coordinate grounding. Also fixes a latent gap in TaskRunner.run(): observe/plan exceptions are now caught per iteration and turned into a failed task with a failure_reason, instead of propagating uncaught. openspec change: ai-planner-runtime. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
from __future__ import annotations
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import os
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from collections.abc import Mapping
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from dataclasses import dataclass
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DEFAULT_PROVIDER = "anthropic"
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DEFAULT_MODEL_BY_PROVIDER = {
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"anthropic": "claude-sonnet-5",
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"openai": "gpt-5.6",
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}
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DEFAULT_TIMEOUT_SECONDS = 30.0
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ENABLED_ENV = "AI_PLANNER_ENABLED"
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PROVIDER_ENV = "AI_PLANNER_PROVIDER"
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MODEL_ENV = "AI_PLANNER_MODEL"
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TIMEOUT_ENV = "AI_PLANNER_TIMEOUT_SECONDS"
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SUPPORTED_PROVIDERS = frozenset(DEFAULT_MODEL_BY_PROVIDER)
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@dataclass(frozen=True)
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class PlannerConfig:
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enabled: bool = False
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provider: str = DEFAULT_PROVIDER
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model: str = ""
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timeout: float = DEFAULT_TIMEOUT_SECONDS
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def resolved_model(self) -> str:
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return self.model or DEFAULT_MODEL_BY_PROVIDER[self.provider]
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def load_config(env: Mapping[str, str] | None = None) -> PlannerConfig:
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values = env or os.environ
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return PlannerConfig(
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enabled=_parse_bool(values.get(ENABLED_ENV), default=False),
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provider=_parse_provider(values.get(PROVIDER_ENV)),
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model=values.get(MODEL_ENV) or "",
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timeout=_parse_timeout(values.get(TIMEOUT_ENV)),
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)
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def _parse_bool(value: str | None, *, default: bool) -> bool:
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if value is None:
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return default
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return value.strip().lower() in {"1", "true", "yes", "on", "enabled"}
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def _parse_provider(value: str | None) -> str:
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if value is None:
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return DEFAULT_PROVIDER
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provider = value.strip().lower()
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return provider if provider in SUPPORTED_PROVIDERS else DEFAULT_PROVIDER
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def _parse_timeout(value: str | None) -> float:
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if value is None:
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return DEFAULT_TIMEOUT_SECONDS
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try:
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timeout = float(value)
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except ValueError:
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return DEFAULT_TIMEOUT_SECONDS
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return timeout if timeout > 0 else DEFAULT_TIMEOUT_SECONDS
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