fix(trend): write trade_records when hub closes plan on gate_bot

Gate_bot insert_trade_record lacked entry_reason, causing _finalize_plan to save strategy snapshots but fail trade insert. Filter kwargs by signature, insert before plan commit, and add backfill script.

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

tests/test_trend_finalize_trade_record.py

@@ -0,0 +1,92 @@
+"""趋势计划结束：须写入 trade_records（四所统一）。"""
+from __future__ import annotations
+
+import inspect
+import sqlite3
+import sys
+import unittest
+from pathlib import Path
+from unittest.mock import MagicMock
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT))
+
+from strategy_trend_register import _call_insert_trade_record  # noqa: E402
+
+
+class _GateBotLikeModule:
+    """模拟 gate_bot：曾有 trend_plan_id 但缺 entry_reason 参数。"""
+
+    @staticmethod
+    def insert_trade_record(
+        conn,
+        symbol,
+        monitor_type,
+        direction,
+        trigger_price,
+        stop_loss,
+        initial_stop_loss=None,
+        take_profit=None,
+        margin_capital=None,
+        leverage=None,
+        pnl_amount=0,
+        hold_seconds=0,
+        trade_style=None,
+        risk_amount=None,
+        planned_rr=None,
+        actual_rr=None,
+        result="",
+        miss_reason=None,
+        opened_at=None,
+        opened_at_ms=None,
+        closed_at=None,
+        closed_at_ms=None,
+        exchange_trade_id=None,
+        trend_plan_id=None,
+    ):
+        conn.execute(
+            "INSERT INTO trade_records (symbol, monitor_type, direction, result, trend_plan_id) "
+            "VALUES (?,?,?,?,?)",
+            (symbol, monitor_type, direction, result, trend_plan_id),
+        )
+
+
+class TestTrendFinalizeTradeRecord(unittest.TestCase):
+    def test_call_insert_filters_unknown_entry_reason(self):
+        conn = sqlite3.connect(":memory:")
+        conn.execute(
+            "CREATE TABLE trade_records (symbol TEXT, monitor_type TEXT, direction TEXT, "
+            "result TEXT, trend_plan_id INTEGER)"
+        )
+        m = _GateBotLikeModule()
+        _call_insert_trade_record(
+            m,
+            4,
+            dict(
+                conn=conn,
+                symbol="ONDO/USDT",
+                monitor_type="趋势回调",
+                direction="long",
+                trigger_price=0.35,
+                stop_loss=0.329,
+                result="止损",
+                entry_reason="趋势回调",
+            ),
+        )
+        row = conn.execute(
+            "SELECT symbol, monitor_type, trend_plan_id FROM trade_records"
+        ).fetchone()
+        self.assertEqual(row[0], "ONDO/USDT")
+        self.assertEqual(row[1], "趋势回调")
+        self.assertEqual(row[2], 4)
+
+    def test_gate_bot_insert_accepts_entry_reason(self):
+        from crypto_monitor_gate_bot import app as gate_bot_app  # noqa: E402
+
+        sig = inspect.signature(gate_bot_app.insert_trade_record)
+        self.assertIn("entry_reason", sig.parameters)
+        self.assertIn("trend_plan_id", sig.parameters)
+
+
+if __name__ == "__main__":
+    unittest.main()