fix(risk): trigger cooldown only on user-initiated closes

Remove external-close risk hooks; register user_instance, user_hub, and user_trend_stop via hub API and trend stop; update docs and tests.

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

manual_trading_hub/hub.py

@@ -1177,6 +1177,21 @@ async def _fetch_flask_json(
         return {"ok": False, "error": str(e)}
 
 
+async def _notify_instance_user_close(
+    client: httpx.AsyncClient, ex: dict, *, count: int = 1
+) -> dict | None:
+    """登记实例侧用户主动平仓风控（中控点平仓/全平）。"""
+    if count <= 0 or not (ex.get("flask_url") or "").strip():
+        return None
+    return await _fetch_flask_json(
+        client,
+        ex,
+        "/api/hub/account-risk/user-close",
+        method="POST",
+        json_body={"source": "user_hub", "count": int(count)},
+    )
+
+
 def _flask_error_from_hub_mon(hub_mon: dict | None) -> str | None:
     if not isinstance(hub_mon, dict) or hub_mon.get("ok") is not False:
         return None
@@ -1936,6 +1951,9 @@ async def api_close_position(exchange_id: str, body: ClosePositionBody):
                     )
                     if isinstance(sync_parsed, dict):
                         out["trend_sync"] = sync_parsed
+                risk_sync = await _notify_instance_user_close(flask_client, ex, count=1)
+                if isinstance(risk_sync, dict):
+                    out["risk_sync"] = risk_sync
         _schedule_board_refresh()
         return out
 
@@ -1985,7 +2003,15 @@ async def api_close_exchange(exchange_id: str):
             body = r.json()
         except Exception:
             body = {"raw": (r.text or "")[:2000]}
-        out = {"exchange": ex, "status_code": r.status_code, "payload": body}
+        ok = bool(isinstance(body, dict) and body.get("ok"))
+        out = {"exchange": ex, "status_code": r.status_code, "payload": body, "ok": ok}
+        if ok and isinstance(body, dict):
+            closed = body.get("closed") or []
+            n = len(closed) if isinstance(closed, list) else 0
+            if n > 0:
+                risk_sync = await _notify_instance_user_close(client, ex, count=n)
+                if isinstance(risk_sync, dict):
+                    out["risk_sync"] = risk_sync
         _schedule_board_refresh()
         return out
 
@@ -2005,7 +2031,15 @@ async def api_close_all(body: CloseAllBody | None = Body(default=None)):
                     payload = r.json()
                 except Exception:
                     payload = {"raw": (r.text or "")[:2000]}
-                return {"id": ex["id"], "name": ex["name"], "status_code": r.status_code, "payload": payload}
+                row = {"id": ex["id"], "name": ex["name"], "status_code": r.status_code, "payload": payload}
+                if isinstance(payload, dict) and payload.get("ok"):
+                    closed = payload.get("closed") or []
+                    n = len(closed) if isinstance(closed, list) else 0
+                    if n > 0:
+                        risk_sync = await _notify_instance_user_close(client, ex, count=n)
+                        if isinstance(risk_sync, dict):
+                            row["risk_sync"] = risk_sync
+                return row
             except Exception as e:
                 return {"id": ex["id"], "name": ex["name"], "status_code": None, "error": str(e)}