feat(hub): trend plan breakeven and stop from monitor fullscreen

Proxy /api/hub/trend/stop and breakeven to instances; enable offset input and actions in hub UI. Add horizontal padding on strategy records page.

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

manual_trading_hub/hub.py

@@ -1124,6 +1124,77 @@ class PlaceTpslBody(BaseModel):
     contracts: float | None = None
 
 
+class TrendPlanActionBody(BaseModel):
+    plan_id: int
+    breakeven_offset_pct: float | None = None
+
+
+def _flask_hub_messages(parsed: dict | None) -> tuple[bool, str]:
+    if not isinstance(parsed, dict):
+        return False, "实例返回无效"
+    msgs = list(parsed.get("messages") or [])
+    if parsed.get("msg"):
+        msgs.insert(0, str(parsed["msg"]))
+    if parsed.get("error"):
+        msgs.append(str(parsed["error"]))
+    ok = parsed.get("ok") is not False
+    if parsed.get("ok") is True:
+        ok = True
+    elif parsed.get("ok") is False:
+        ok = False
+    else:
+        for m in msgs:
+            if any(
+                k in str(m)
+                for k in ("失败", "错误", "无法", "缺少", "过期", "未找到", "不允许", "异常")
+            ):
+                ok = False
+                break
+    text = "；".join(str(x) for x in msgs if x) or ("成功" if ok else "操作失败")
+    return ok, text
+
+
+@app.post("/api/trend/{exchange_id}/stop")
+async def api_trend_plan_stop(exchange_id: str, body: TrendPlanActionBody):
+    ex = _find_exchange(exchange_id)
+    if not ex or not ex.get("enabled"):
+        raise HTTPException(status_code=404, detail="账户未启用")
+    if "trend" not in (ex.get("capabilities") or []):
+        raise HTTPException(status_code=400, detail="该账户未启用趋势计划监控")
+    pid = int(body.plan_id)
+    async with httpx.AsyncClient() as client:
+        parsed = await _fetch_flask_json(
+            client, ex, f"/api/hub/trend/stop/{pid}", method="POST"
+        )
+    ok, text = _flask_hub_messages(parsed)
+    _schedule_board_refresh()
+    return {"ok": ok, "message": text, "payload": parsed}
+
+
+@app.post("/api/trend/{exchange_id}/breakeven")
+async def api_trend_plan_breakeven(exchange_id: str, body: TrendPlanActionBody):
+    ex = _find_exchange(exchange_id)
+    if not ex or not ex.get("enabled"):
+        raise HTTPException(status_code=404, detail="账户未启用")
+    if "trend" not in (ex.get("capabilities") or []):
+        raise HTTPException(status_code=400, detail="该账户未启用趋势计划监控")
+    pid = int(body.plan_id)
+    data = {}
+    if body.breakeven_offset_pct is not None:
+        data["breakeven_offset_pct"] = str(body.breakeven_offset_pct)
+    async with httpx.AsyncClient() as client:
+        parsed = await _fetch_flask_json(
+            client,
+            ex,
+            f"/api/hub/trend/breakeven/{pid}",
+            method="POST",
+            data=data,
+        )
+    ok, text = _flask_hub_messages(parsed)
+    _schedule_board_refresh()
+    return {"ok": ok, "message": text, "payload": parsed}
+
+
 @app.post("/api/orders/{exchange_id}/cancel")
 async def api_cancel_order(exchange_id: str, body: CancelOrderBody):
     ex = _find_exchange(exchange_id)