構造化出力と Web 検索を使った調査

type ResearchBrief = {
  topic: string;
  summary: string;
  sources: Array<{
    title: string;
    url: string;
  }>;
};

import { createAgent } from "@phaseo/agent-sdk";

export const researchBriefAgent = createAgent<string, ResearchBrief>({
  id: "research-brief-agent",
  model: "phaseo/free",
  instructions:
    "Research the user's topic with web search when needed and return a concise JSON brief with cited sources.",
  parseOutput(text) {
    return JSON.parse(text) as ResearchBrief;
  },
});

import {
  createGatewayAgentClient,
} from "@phaseo/agent-sdk";

const client = createGatewayAgentClient({
  clientOptions: {
    apiKey: process.env.PHASEO_API_KEY!,
  },
  responseFormat: {
    type: "json_schema",
    name: "research_brief",
    schema: {
      type: "object",
      properties: {
        topic: { type: "string" },
        summary: { type: "string" },
        sources: {
          type: "array",
          items: {
            type: "object",
            properties: {
              title: { type: "string" },
              url: { type: "string" },
            },
            required: ["title", "url"],
            additionalProperties: false,
          },
          minItems: 1,
        },
      },
      required: ["topic", "summary", "sources"],
      additionalProperties: false,
    },
  },
  plugins: [{ id: "response-healing" }],
  gatewayTools: [
    { type: "phaseo:web_search", parameters: { max_results: 5 } },
  ],
  toolChoice: "phaseo:web_search",
  webSearchOptions: { search_context_size: "high" },
});

const result = await researchBriefAgent.run({
  input: "Summarize the latest browser automation support patterns for coding agents.",
  client,
  onEvent(event) {
    console.log(event.type, event.runId);
  },
});

console.log(result.output);