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>

manual_trading_hub/hub.py

@@ -95,6 +95,7 @@ DIR = Path(__file__).resolve().parent
 HUB_BUILD = "20260607-hub-archive"
 _archive_sync_stop: asyncio.Event | None = None
 _archive_sync_task: asyncio.Task | None = None
+_last_archive_sync: dict | None = None
 HUB_AGENT_TIMEOUT = float(os.getenv("HUB_AGENT_TIMEOUT", "8"))
 HUB_FLASK_TIMEOUT = float(os.getenv("HUB_FLASK_TIMEOUT", "10"))
 HUB_BOARD_TIMEOUT = float(os.getenv("HUB_BOARD_TIMEOUT", "45"))
@@ -239,6 +240,7 @@ def _schedule_board_refresh() -> None:
 
 
 async def _run_archive_sync_once() -> dict:
+    global _last_archive_sync
     init_archive_db()
     settings = load_settings()
     targets = enabled_exchanges(settings)
@@ -254,11 +256,25 @@ async def _run_archive_sync_once() -> dict:
             limit=ARCHIVE_TRADE_LIMIT,
         )
         if not trades_resp.get("ok"):
+            st = trades_resp.get("status")
+            msg = (
+                trades_resp.get("msg")
+                or trades_resp.get("error")
+                or trades_resp.get("detail")
+                or "拉取交易失败"
+            )
+            if st == 404:
+                msg = (
+                    "HTTP 404：该 Flask 未注册 /api/hub/trades/archive。"
+                    "请在仓库根目录 git pull 后 pm2 restart crypto_gate crypto_gate_bot"
+                )
             results.append(
                 {
                     "exchange_key": ex_key,
+                    "name": ex.get("name"),
                     "ok": False,
-                    "msg": trades_resp.get("msg") or trades_resp.get("error") or "拉取交易失败",
+                    "status": st,
+                    "msg": msg,
                 }
             )
             continue
@@ -282,8 +298,17 @@ async def _run_archive_sync_once() -> dict:
             trades,
             remote_fetch,
         )
+        r["name"] = ex.get("name")
+        r["trade_count"] = len(trades)
         results.append(r)
-    return {"ok": True, "exchanges": len(targets), "results": results}
+    out = {
+        "ok": True,
+        "exchanges": len(targets),
+        "results": results,
+        "updated_at": __import__("datetime").datetime.now().isoformat(timespec="seconds"),
+    }
+    _last_archive_sync = out
+    return out
 
 
 async def _archive_sync_loop() -> None:
@@ -549,9 +574,13 @@ def _fetch_instance_trades_archive_sync(
         if r.status_code >= 400:
             parsed = _parse_http_json_body(r)
             parsed.setdefault("ok", False)
+            parsed.setdefault("status", r.status_code)
             return parsed
         data = r.json() if r.content else {}
-        return data if isinstance(data, dict) else {"ok": False, "msg": "无效 JSON"}
+        if isinstance(data, dict):
+            data.setdefault("ok", True)
+            return data
+        return {"ok": False, "msg": "无效 JSON"}
     except Exception as e:
         return {"ok": False, "msg": str(e)}
 
@@ -1662,6 +1691,7 @@ def api_archive_meta():
         "sync_interval_sec": ARCHIVE_SYNC_INTERVAL_SEC,
         "visible_bars_default": ARCHIVE_VISIBLE_BARS_DEFAULT,
         "exchanges": exchanges,
+        "last_sync": _last_archive_sync,
     }