Sync exchange PnL when hub loads trade records API.

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

tests/test_records_api_sync_hook.py

@@ -0,0 +1,50 @@
+"""records_api_register: list API can trigger exchange pnl sync."""
+
+from __future__ import annotations
+
+import unittest
+from unittest.mock import MagicMock
+
+from flask import Flask
+
+from lib.instance.records_api_register import register_trade_records_api
+
+
+class RecordsApiSyncHookTest(unittest.TestCase):
+    def test_list_calls_sync_hook(self):
+        app = Flask(__name__)
+        sync_calls = []
+
+        def _login(fn):
+            return fn
+
+        def _get_db():
+            conn = MagicMock()
+            conn.execute.return_value.fetchall.return_value = []
+            return conn
+
+        def _win():
+            return {"start_utc": None, "end_utc": None}
+
+        register_trade_records_api(
+            app,
+            login_required=_login,
+            get_db=_get_db,
+            list_window_from_request=_win,
+            utc_window_to_bj_sql_strings=lambda *a, **k: ("2026-01-01", "2026-12-31"),
+            sql_list_time_field=lambda *a, **k: "COALESCE(closed_at, created_at, opened_at)",
+            to_effective_trade_dict=lambda r: dict(r) if hasattr(r, "keys") else r,
+            filter_trade_records_excluding_miss=lambda xs: xs,
+            app_tz=None,
+            sync_exchange_pnl_fn=lambda conn: sync_calls.append(conn),
+        )
+        client = app.test_client()
+        resp = client.get("/api/trade_records")
+        self.assertEqual(resp.status_code, 200)
+        self.assertEqual(len(sync_calls), 1)
+        body = resp.get_json()
+        self.assertTrue(body.get("ok"))
+
+
+if __name__ == "__main__":
+    unittest.main()