2026-09-10 22:06:43 +08:00
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"""本地客服控制台：一个能直接聊天的最小调试前端。
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**为什么是独立进程，而不是给底座加接口**：底座目前没有登录接口（按计划推迟）。任何
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"让浏览器直接拿令牌"的做法——无论是一个 dev token 端点还是把私钥给前端——都等于把
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"任意身份"开放给任何能访问服务的人。这里把令牌签发与调用全部留在**本进程内**
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（私钥不出进程），前端只跟本控制台说话，底座代码一行不改、也没有新增任何后门路由。
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跑法：
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```powershell
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D:\\conda\\envs\\jr_py313\\python.exe tools\\chat_console.py
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# 浏览器打开 http://127.0.0.1:8098
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```
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**运行前请停掉常驻 Worker**：本控制台自己驱动这一条 run 执行（`WorkerRuntime().execute`），
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而常驻 Worker 与它共享 `agent_run` 队列，会抢走任务，导致页面一直转圈。
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"""
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import argparse
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import datetime as dt
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import sys
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import uuid
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from pathlib import Path
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from typing import Any
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import httpx
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import jwt
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import uvicorn
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from fastapi import FastAPI
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from fastapi.responses import HTMLResponse
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from app.core.config import get_settings
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from app.main import create_app
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from app.worker.runtime import WorkerRuntime
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sys.stdout.reconfigure(errors="replace")
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AGENT_TYPE = "customer_service"
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2026-09-10 22:42:17 +08:00
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# 兜底话术的固定开头。不能用"客服热线"这类词判断——正常的适当性回答里也会建议客户
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# 拨打客服热线，那样会把"已经给出了结论"误报成"已引导人工"。
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FALLBACK_MARK = "抱歉，这个问题我暂时无法给出准确答复"
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2026-09-10 22:06:43 +08:00
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PAGE = """<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>南方科技 · 智能客服（本地调试）</title>
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<style>
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* { box-sizing: border-box; }
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body { margin: 0; font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
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background: #f2f4f7; display: flex; justify-content: center; height: 100vh; }
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.wrap { width: min(760px, 100%); display: flex; flex-direction: column; height: 100vh; }
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header { padding: 14px 18px; background: #1f2d3d; color: #fff; font-size: 15px; }
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header small { opacity: .65; margin-left: 8px; font-size: 12px; }
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#log { flex: 1; overflow-y: auto; padding: 18px; }
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.row { display: flex; margin-bottom: 14px; }
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.row.user { justify-content: flex-end; }
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.bubble { max-width: 78%; padding: 11px 14px; border-radius: 10px; line-height: 1.6;
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white-space: pre-wrap; word-break: break-word; font-size: 14px; }
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.user .bubble { background: #2f6fed; color: #fff; border-bottom-right-radius: 3px; }
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.bot .bubble { background: #fff; color: #1f2d3d; border-bottom-left-radius: 3px;
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box-shadow: 0 1px 3px rgba(0,0,0,.08); }
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.meta { font-size: 11px; color: #8894a4; margin: 5px 2px 0; }
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.meta .tag { display: inline-block; padding: 1px 6px; border-radius: 4px;
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background: #e6ebf2; margin-right: 6px; }
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.meta .tag.warn { background: #fde8e8; color: #b42318; }
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footer { padding: 12px 18px 18px; background: #fff; border-top: 1px solid #e4e9f0;
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display: flex; gap: 10px; }
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input { flex: 1; padding: 12px 14px; border: 1px solid #d5dbe4; border-radius: 8px;
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font-size: 14px; outline: none; }
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input:focus { border-color: #2f6fed; }
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button { padding: 12px 22px; border: 0; border-radius: 8px; background: #2f6fed; color: #fff;
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font-size: 14px; cursor: pointer; }
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button:disabled { background: #a9bbe0; cursor: default; }
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.hint { font-size: 12px; color: #8894a4; padding: 0 18px 8px; }
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</style>
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</head>
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<body>
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<div class="wrap">
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<header>南方科技 · 智能客服 <small>本地调试控制台（回答全部来自公司资料库）</small></header>
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<div id="log"></div>
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<div class="hint">可以直接试：<em>基金赎回几天到账</em> · <em>季季盈90天起投多少</em> ·
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<em>C1 客户能买什么</em> · 然后再问 <em>那它风险高吗</em>（试试多轮指代）</div>
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<footer>
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<input id="box" placeholder="说点什么…" autocomplete="off">
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<button id="send">发送</button>
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</footer>
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</div>
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<script>
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const log = document.getElementById('log');
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const box = document.getElementById('box');
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const send = document.getElementById('send');
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const sessionId = 'web-' + Math.random().toString(36).slice(2, 10);
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let busy = false;
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function add(cls, text, meta) {
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const row = document.createElement('div');
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row.className = 'row ' + cls;
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const bubble = document.createElement('div');
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bubble.className = 'bubble';
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bubble.textContent = text;
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const holder = document.createElement('div');
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holder.appendChild(bubble);
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if (meta) {
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const m = document.createElement('div');
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m.className = 'meta';
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m.innerHTML = meta;
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holder.appendChild(m);
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}
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row.appendChild(holder);
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log.appendChild(row);
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log.scrollTop = log.scrollHeight;
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}
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async function ask() {
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const message = box.value.trim();
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if (!message || busy) return;
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busy = true; send.disabled = true;
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add('user', message);
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box.value = '';
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add('bot', '正在查询公司资料…');
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const pending = log.lastElementChild;
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try {
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const res = await fetch('/api/chat', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ message, session_id: sessionId }),
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});
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const data = await res.json();
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pending.remove();
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const tagIntent = '<span class="tag">意图 ' + (data.intent || '?') + '</span>';
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const tagGuide = data.guided ? '<span class="tag warn">已引导人工</span>' : '';
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add('bot', data.answer || '(空回答)', tagIntent + tagGuide);
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} catch (err) {
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pending.remove();
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add('bot', '控制台出错：' + err, '');
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} finally {
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busy = false; send.disabled = false; box.focus();
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}
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}
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send.onclick = ask;
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box.addEventListener('keydown', (e) => { if (e.key === 'Enter') ask(); });
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box.focus();
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</script>
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</body>
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</html>
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"""
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def token(subject: str) -> str:
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settings = get_settings()
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private_key = Path(settings.jwt_private_key_path).read_text(encoding="utf-8")
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now = dt.datetime.now(dt.UTC)
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return jwt.encode(
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{
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"sub": subject, "iss": settings.jwt_issuer, "aud": settings.jwt_audience,
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"exp": now + dt.timedelta(minutes=30), "nbf": now - dt.timedelta(seconds=5),
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"jti": str(uuid.uuid4()),
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},
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private_key,
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algorithm="RS256",
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)
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def build_console(user_id: str) -> FastAPI:
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console = FastAPI(title="客服本地控制台")
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# 底座以 in-process 方式挂载：不经过网络、不新增任何路由，私钥只在签发时用到
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base_app = create_app()
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auth = {"Authorization": f"Bearer {token(user_id)}"}
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@console.get("/", response_class=HTMLResponse)
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async def index() -> HTMLResponse:
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return HTMLResponse(PAGE)
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@console.post("/api/chat")
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async def chat(payload: dict[str, Any]) -> dict[str, Any]:
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message = str(payload.get("message") or "").strip()
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session_id = str(payload.get("session_id") or f"web-{uuid.uuid4().hex[:8]}")
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if not message:
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return {"answer": "请先输入内容。", "intent": "", "guided": False}
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async with httpx.AsyncClient(
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transport=httpx.ASGITransport(app=base_app), base_url="http://base", timeout=120
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) as client:
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accepted = await client.post(
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"/api/v1/agent-runs",
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json={
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"agent_type": AGENT_TYPE, "message": message,
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"session_id": session_id, "idempotency_key": uuid.uuid4().hex,
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},
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headers=auth,
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)
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if accepted.status_code != 202:
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body = accepted.text[:200]
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return {"answer": f"受理失败（{accepted.status_code}）：{body}",
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"intent": "", "guided": False}
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run_id = accepted.json()["data"]["run_id"]
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# 本控制台自己驱动这一条 run；若常驻 Worker 同时在跑会与它抢队列
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await WorkerRuntime().execute(run_id)
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detail = (await client.get(
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f"/api/v1/agent-runs/{run_id}", headers=auth
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)).json()["data"]
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result = detail.get("result") or {}
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answer = str(result.get("content") or "")
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if detail.get("status") != "succeeded":
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answer = answer or f"运行未成功：{detail.get('status')} {detail.get('error_code')}"
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# intent 在结果里可能是 {"intent": ..., "confidence": ...}，也可能已是字符串
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raw_intent = result.get("intent")
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intent = raw_intent.get("intent") if isinstance(raw_intent, dict) else raw_intent
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return {
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"answer": answer,
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"intent": intent or "",
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"guided": FALLBACK_MARK in answer,
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}
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return console
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def main() -> None:
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parser = argparse.ArgumentParser(description="客服本地控制台")
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parser.add_argument("--port", type=int, default=8098)
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parser.add_argument("--user", default="9001", help="以哪个客户身份对话（默认 9001）")
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args = parser.parse_args()
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print(f"控制台：http://127.0.0.1:{args.port} 身份={args.user}")
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print("提示：运行前请停掉常驻 Worker，否则它会抢走任务、页面会一直转圈。")
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uvicorn.run(build_console(args.user), host="127.0.0.1", port=args.port, log_level="warning")
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if __name__ == "__main__":
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main()
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