zcbot/tools/task_progress.py

60 lines
2.3 KiB
Python

"""UI-only task progress tool.
The tool gives the model a structured way to publish a short user-visible plan.
Its result is intentionally tiny; the full plan stays in the assistant tool_call
arguments for Web rendering and is compacted out of older LLM context.
"""
from __future__ import annotations
import json
from typing import Any, ClassVar
from .base import Tool
class TaskProgressTool(Tool):
name = "task_progress"
description = (
"Publish the complete current user-visible progress checklist for this run. "
"Use only for meaningful multi-step work. Every call must include the full checklist, "
"including unchanged steps; never send a partial step patch. Keep stable step ids while "
"revising the plan, allow at most one in_progress step, and mark every step completed "
"before a successful final answer. This is a UI progress signal, not a work product."
)
parameters: ClassVar[dict[str, Any]] = {
"type": "object",
"additionalProperties": False,
"properties": {
"explanation": {
"type": "string",
"description": "Optional short reason when the plan materially changes.",
},
"steps": {
"type": "array",
"description": "The complete current checklist. Keep to 3-7 user-meaningful steps.",
"items": {
"type": "object",
"additionalProperties": False,
"properties": {
"id": {"type": "string", "description": "Stable short id, e.g. s1."},
"title": {"type": "string", "description": "Short user-visible step title."},
"status": {
"type": "string",
"enum": ["pending", "in_progress", "completed"],
},
},
"required": ["id", "title", "status"],
},
},
},
"required": ["steps"],
}
def execute(self, **kwargs: Any) -> str:
steps = kwargs.get("steps")
out: dict[str, Any] = {
"ok": True,
"step_count": len(steps) if isinstance(steps, list) else 0,
}
return json.dumps(out, ensure_ascii=False, separators=(",", ":"))