fix: API 全部改用显式两步走 await session.execute + result.scalars()

之前 (await ...).scalars() 链式在 SQLAlchemy 2.0 async 下报
'coroutine' has no attribute 'scalars' 错误。改为先 await 拿 result
再 .scalars(),这是 SQLAlchemy 2.0 推荐的 async 写法。

scripts/_smoke_test.py

@@ -0,0 +1,53 @@
+import os, paramiko, json, time
+PW = os.environ["REMOTE_PASS"]
+c = paramiko.SSHClient()
+c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+c.connect("207.57.129.228", port=19717, username="root", password=PW, timeout=15, allow_agent=False, look_for_keys=False)
+
+def run(cmd, t=60):
+    si, so, se = c.exec_command(cmd, timeout=t)
+    out = so.read().decode("utf-8", "replace")
+    err = se.read().decode("utf-8", "replace")
+    rc = so.channel.recv_exit_status()
+    print(f"$ {cmd}")
+    if out: print(out, end="")
+    if err: print("[err]", err, end="", file=__import__("sys").stderr)
+    print(f"  rc={rc}")
+    return out
+
+# 1) 取 owner 密码
+owner_pw = run("cat /root/.owner_pass").strip()
+print(f"\n=== owner 密码: {owner_pw} ===\n")
+
+# 2) 登录拿 token
+login_cmd = f"""curl -s -X POST http://localhost/api/v1/auth/login -H 'Content-Type: application/json' -d '{{"username":"owner","password":"{owner_pw}"}}'"""
+login_resp = run(login_cmd)
+token = json.loads(login_resp).get("access_token", "")
+print(f"\n=== token(前 40): {token[:40]}... ===\n")
+
+# 3) 触发一次抓取
+print("=== 触发一次抓取 ===")
+run("cd /srv/news && sg docker -c \"docker compose exec -T worker python -c 'import asyncio; from app.workers.pipeline import run_once; asyncio.run(run_once())'\" 2>&1 | tail -30", t=180)
+
+# 4) 等翻译完成,看文章数
+time.sleep(10)
+print("\n=== 查文章数 ===")
+run("cd /srv/news && sg docker -c \"docker compose exec -T postgres psql -U news -d news -c 'SELECT count(*) FROM articles; SELECT count(*) FROM articles WHERE translation_status = '\\''ok'\\'';'\" 2>&1 | tail -10")
+
+# 5) 拿一条翻译好的文章
+print("\n=== 拉一条文章 ===")
+list_cmd = f"curl -s -H 'Authorization: Bearer {token}' http://localhost/api/v1/articles?limit=1"
+art_resp = run(list_cmd)
+try:
+    data = json.loads(art_resp)
+    items = data.get("items", [])
+    if items:
+        art = items[0]
+        print(f"  id: {art['id']}")
+        print(f"  source: {art['source']['name']}")
+        print(f"  title (en): {art['title'][:80]}")
+        print(f"  title (zh): {art.get('title_zh', '(none)')[:80] if art.get('title_zh') else '(none)'}")
+        print(f"  status: {art['translation_status']}")
+except Exception as e:
+    print(f"parse err: {e}\n  raw: {art_resp[:300]}")
+c.close()