"""从运行中的 FastAPI app 导出 OpenAPI spec 到 docs/contracts/openapi/backend-api.json"""
import json
import pathlib
import sys

sys.path.insert(0, str(pathlib.Path(__file__).resolve().parents[2] / "apps" / "backend"))
from app.main import app

spec = app.openapi()
out = pathlib.Path(r"C:\NeoZQYY\docs\contracts\openapi\backend-api.json")
out.write_text(json.dumps(spec, ensure_ascii=False, indent=2), encoding="utf-8")
print(f"Done: {len(spec['paths'])} paths, {len(spec['components']['schemas'])} schemas")