fix(db): sync default_auth_strategy on platform reseed

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_seed_platforms_upgrade.py

@@ -0,0 +1,68 @@
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+
+import os
+import shutil
+import sys
+import tempfile
+
+import pytest
+
+_scripts = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "scripts")
+if _scripts not in sys.path:
+    sys.path.insert(0, _scripts)
+
+from db.connection import get_conn, init_db  # noqa: E402
+from util.platforms import seed_platforms  # noqa: E402
+
+
+@pytest.fixture()
+def iso_seed_env(monkeypatch):
+    tmp = tempfile.mkdtemp(prefix="seed_plat_")
+    data_root = os.path.join(tmp, "claw-data")
+    os.makedirs(data_root)
+    uid = "seed_user_1"
+    monkeypatch.setenv("JIANGCHANG_DATA_ROOT", data_root)
+    monkeypatch.setenv("JIANGCHANG_USER_ID", uid)
+    monkeypatch.setenv("CLAW_DATA_ROOT", data_root)
+    monkeypatch.setenv("CLAW_USER_ID", uid)
+    yield
+    shutil.rmtree(tmp, ignore_errors=True)
+
+
+def _default_auth_maersk() -> str | None:
+    conn = get_conn()
+    try:
+        row = conn.execute(
+            "SELECT default_auth_strategy FROM platforms WHERE platform_key = ?",
+            ("maersk",),
+        ).fetchone()
+        return row[0] if row else None
+    finally:
+        conn.close()
+
+
+def test_default_auth_strategy_filled_on_first_seed(iso_seed_env):
+    init_db()
+    conn = get_conn()
+    try:
+        seed_platforms(conn)
+    finally:
+        conn.close()
+    assert _default_auth_maersk() == "qr_code_manual"
+
+
+def test_default_auth_strategy_updated_on_reseed(iso_seed_env):
+    init_db()
+    conn = get_conn()
+    try:
+        seed_platforms(conn)
+        conn.execute(
+            "UPDATE platforms SET default_auth_strategy = ? WHERE platform_key = ?",
+            ("password_auto", "maersk"),
+        )
+        conn.commit()
+        seed_platforms(conn)
+    finally:
+        conn.close()
+    assert _default_auth_maersk() == "qr_code_manual"