fix: cors
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@@ -15,3 +15,10 @@ AMAP_MCP_AUTH_HEADER_VALUE=
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# Route planning guardrails
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ROUTE_MAX_PERMUTATIONS=20
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# CORS
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CORS_ALLOW_ORIGINS=http://localhost,http://127.0.0.1
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CORS_ALLOW_ORIGIN_REGEX=https?://(localhost|127\.0\.0\.1)(:\d+)?$
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CORS_ALLOW_CREDENTIALS=false
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CORS_ALLOW_METHODS=GET,POST,OPTIONS
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CORS_ALLOW_HEADERS=*
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@@ -37,6 +37,7 @@
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- 已新增前端对接文档 `docs/frontend_api.md`。
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- 已补充上游 timeout 配置和 504 错误映射,避免外部超时被混淆为普通 500。
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- 已修正 `stops` 非空校验,并更新前端文档中 `deep_links` 与 `summary` 的语义边界说明。
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- 已为 FastAPI 增加可配置 CORS 中间件,默认允许本地 `localhost/127.0.0.1` 任意端口联调。
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## 下一步建议
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@@ -17,6 +17,15 @@
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http://127.0.0.1:8000
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```
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### 2.1 CORS
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当前服务已启用 CORS。
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- 默认允许本地开发来源:`localhost` 和 `127.0.0.1` 的任意端口
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- 当前默认允许的方法:`GET`、`POST`、`OPTIONS`
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- 当前默认允许所有请求头
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- 如果前端部署到其他域名,需要后端调整 `.env` 中的 CORS 配置
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## 3. 健康检查
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### 3.1 请求
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28
main.py
28
main.py
@@ -1,12 +1,40 @@
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import os
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import httpx
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from dotenv import load_dotenv
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from fastapi import FastAPI, HTTPException
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from openai import APITimeoutError
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from fastapi.middleware.cors import CORSMiddleware
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from schemas import RoutePlanRequest, RoutePlanResult
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from agent import ConfigurationError, GuardrailError, run_route_plan
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load_dotenv()
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def _csv_env(name: str, default: str) -> list[str]:
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raw_value = os.getenv(name, default)
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return [item.strip() for item in raw_value.split(",") if item.strip()]
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def _bool_env(name: str, default: bool) -> bool:
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raw_value = os.getenv(name, "true" if default else "false").strip().lower()
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return raw_value in {"1", "true", "yes", "on"}
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app = FastAPI(title="Geo Route Agent", version="0.1.0")
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app.add_middleware(
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CORSMiddleware,
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allow_origins=_csv_env("CORS_ALLOW_ORIGINS", "http://localhost,http://127.0.0.1"),
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allow_origin_regex=os.getenv(
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"CORS_ALLOW_ORIGIN_REGEX",
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r"https?://(localhost|127\.0\.0\.1)(:\d+)?$",
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),
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allow_credentials=_bool_env("CORS_ALLOW_CREDENTIALS", False),
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allow_methods=_csv_env("CORS_ALLOW_METHODS", "GET,POST,OPTIONS"),
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allow_headers=_csv_env("CORS_ALLOW_HEADERS", "*"),
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)
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@app.post("/route/plan", response_model=RoutePlanResult)
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async def route_plan(request: RoutePlanRequest) -> RoutePlanResult:
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