"""意图识别节点""" from typing import cast from app.clients.decision import close_decision_engine, get_decision_engine from app.processor.base import BaseNode from app.processor.state import QueryState from app.prompt.intent import build_intent_question from app.schemas.base import JsonObject from app.schemas.decision import DecisionRequest from app.schemas.input_context import InputContext from app.schemas.requirement import Intent class IntentNode(BaseNode): name = "intent_node" @staticmethod def build_decision_state(context: InputContext) -> JsonObject: """只整理判断意图需要的摘要,完整 Screen 仍保留在输入上下文""" nodes: list[JsonObject] = [] for node in context.screen.nodes: option = node.props.get("option") title = option.get("title") if isinstance(option, dict) else None titles = title if isinstance(title, list) else [title] nodes.append( { "id": node.id, "type": node.type, "name": node.name, "titles": [ item["text"] for item in titles if isinstance(item, dict) and isinstance(item.get("text"), str) ], "layout": node.layout.model_dump(mode="json", exclude_unset=True), } ) return { "prompt": context.prompt, "clarification_history": context.clarification_history, "context": context.context.model_dump(mode="json", exclude_unset=True), "screen_summary": { "canvas": { "width": context.screen.canvas.width, "height": context.screen.canvas.height, }, "nodes": nodes, "data_sources": [ { key: source[key] for key in ("id", "name", "type") if key in source } for source in context.screen.dataSource ], }, "attachments": [ { key: attachment[key] for key in ("id", "kind", "name") if key in attachment } for attachment in context.attachments ], } async def process(self, state: QueryState) -> QueryState: context = state["input_context"] # 构建jev请求 request = DecisionRequest( # 将 InputNode 的上下文整理为意图判断摘要 state=self.build_decision_state(context), decisions={"intent": build_intent_question()}, ) # 调用 jev decision_engine = get_decision_engine() # 获取 jev 结果 decision_res = await decision_engine.run(request) # 原生 unclear 或低可信时澄清,原始结果完整保留 decision = decision_res.results["intent"] if ( decision.choice == "unclear" or decision.confidence < self.config.intent_min_confidence ): intent: Intent = "unclear" else: intent = cast(Intent, decision.choice) updated_state: QueryState = { **state, "intent_decision": decision_res, "intent": intent, } return updated_state if __name__ == "__main__": import asyncio import json from pydantic import BaseModel from app.processor.nodes.input_node import InputNode async def main(): # 1. 修改这里的请求,测试不同意图 state: QueryState = { "request": { "prompt": "这个图太乱了,帮我重新排一下", "screen": { "canvas": {"width": 1920, "height": 1080}, "nodes": [ { "id": "sales-chart", "type": "bar-chart", "name": "销售额统计", "layout": {"x": 26, "y": 34.8, "width": 400, "height": 260}, "props": {"option": {"title": {"text": "销售额统计"}}}, } ], "dataSource": [], }, "context": {"selected_node_ids": ["sales-chart"]}, } } # 2. 先校验输入,再真实调用 Jev,退出时关闭 Jev 连接 state = InputNode().process(state) node = IntentNode() try: final_state = await node.process(state) finally: await close_decision_engine() # 3. 打印完整 state,包含选项、概率、置信度和调用信息 print( json.dumps( { key: value.model_dump(mode="json", exclude_unset=True) if isinstance(value, BaseModel) else value for key, value in final_state.items() }, ensure_ascii=False, indent=2, ) ) asyncio.run(main())