fix(hub): merge strategy snapshots into archive for gate_bot

Include strategy_trade_snapshots when trade_records is empty, harden SQL for older schemas, and show per-exchange sync errors in the archive UI.

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

tests/test_hub_trades_archive_merge.py

@@ -0,0 +1,102 @@
+"""档案交易：strategy_trade_snapshots 补全 gate_bot 漏记。"""
+
+from __future__ import annotations
+
+import sqlite3
+import tempfile
+from datetime import datetime, timedelta
+from pathlib import Path
+
+from hub_trades_lib import fetch_trades_for_archive
+
+
+def _init_db(path: Path) -> sqlite3.Connection:
+    conn = sqlite3.connect(str(path))
+    conn.row_factory = sqlite3.Row
+    conn.execute(
+        """
+        CREATE TABLE trade_records (
+            id INTEGER PRIMARY KEY,
+            symbol TEXT,
+            direction TEXT,
+            result TEXT,
+            pnl_amount REAL,
+            opened_at TEXT,
+            closed_at TEXT,
+            opened_at_ms INTEGER,
+            closed_at_ms INTEGER,
+            created_at TEXT,
+            trend_plan_id INTEGER
+        )
+        """
+    )
+    conn.execute(
+        """
+        CREATE TABLE strategy_trade_snapshots (
+            id INTEGER PRIMARY KEY,
+            strategy_type TEXT,
+            source_id INTEGER,
+            symbol TEXT,
+            direction TEXT,
+            result_label TEXT,
+            status_at_close TEXT,
+            opened_at TEXT,
+            closed_at TEXT,
+            pnl_amount REAL,
+            snapshot_json TEXT,
+            created_at TEXT
+        )
+        """
+    )
+    return conn
+
+
+def test_merge_snapshot_when_trade_record_missing():
+    with tempfile.TemporaryDirectory() as td:
+        conn = _init_db(Path(td) / "t.db")
+        closed = (datetime.now() - timedelta(days=1)).strftime("%Y-%m-%d %H:%M:%S")
+        conn.execute(
+            """
+            INSERT INTO strategy_trade_snapshots (
+                id, strategy_type, source_id, symbol, direction,
+                result_label, opened_at, closed_at, pnl_amount, snapshot_json, created_at
+            ) VALUES (?,?,?,?,?,?,?,?,?,?,?)
+            """,
+            (7, "trend_pullback", 42, "ONDO/USDT", "long", "止损", closed, closed, -1.2, "{}", closed),
+        )
+        conn.commit()
+        trades = fetch_trades_for_archive(conn, days=30, limit=50)
+        conn.close()
+        assert len(trades) == 1
+        assert trades[0]["symbol"] == "ONDO/USDT"
+        assert trades[0]["id"] == -7
+        assert trades[0].get("from_snapshot") is True
+
+
+def test_skip_snapshot_when_trade_record_exists():
+    with tempfile.TemporaryDirectory() as td:
+        conn = _init_db(Path(td) / "t.db")
+        closed = (datetime.now() - timedelta(days=1)).strftime("%Y-%m-%d %H:%M:%S")
+        conn.execute(
+            """
+            INSERT INTO trade_records (
+                id, symbol, direction, result, pnl_amount,
+                opened_at, closed_at, opened_at_ms, closed_at_ms, created_at, trend_plan_id
+            ) VALUES (?,?,?,?,?,?,?,?,?,?,?)
+            """,
+            (1, "ONDO/USDT", "long", "止损", -1.2, closed, closed, 1, 2, closed, 42),
+        )
+        conn.execute(
+            """
+            INSERT INTO strategy_trade_snapshots (
+                id, strategy_type, source_id, symbol, direction,
+                result_label, opened_at, closed_at, pnl_amount, snapshot_json, created_at
+            ) VALUES (?,?,?,?,?,?,?,?,?,?,?)
+            """,
+            (7, "trend_pullback", 42, "ONDO/USDT", "long", "止损", closed, closed, -1.2, "{}", closed),
+        )
+        conn.commit()
+        trades = fetch_trades_for_archive(conn, days=30, limit=50)
+        conn.close()
+        assert len(trades) == 1
+        assert trades[0]["id"] == 1